JP6989730B2 - Golf club head and golf club head manufacturing method - Google Patents

Description

[Copyright notice]
This disclosure may be subject to copyright protection. The copyright holder has no objection to the facsimile reproduction of this disclosure or related document by anyone, as it appears in the patent files or records of the Patent and Trademark Office, but otherwise all copyrights. Reserve.

[Cross-reference of related applications]
This application claims the priority of application 16 / 179,406 filed on 2 November 2018. This application also applies to US Provisional Application No. 62 / 908,467 filed September 30, 2019, US Provisional Application No. 62 / 903,467 filed September 20, 2019, 7/2019. U.S. Provisional Application No. 62 / 877,934 filed on March 24, U.S. Provisional Application No. 62 / 877,915 filed on July 24, 2019, United States filed on June 24, 2019. Provisional Application Nos. 62 / 856,532, US Provisional Application No. 62/86,310 filed on March 29, 2019, and US Provisional Application No. 62/814, filed on March 7, 2019. Claim the interests of No. 959. The disclosure of the application referenced above is incorporated herein by reference in its entirety.
[Technical field]

The present disclosure relates generally to golf equipment, and more specifically to golf club heads and golf club head manufacturing methods.

Various materials (eg, steel-based materials, titanium-based materials, tungsten-based materials, etc.) can be used to manufacture golf club heads. By manufacturing a golf club head using multiple materials, the position of the center of gravity (CG) and / or moment of inertia (MOI) of the golf club head is set so as to generate a specific trajectory and spin rate of the golf ball. Can be optimized.

1, FIG. 2, FIG. 3, and FIG. 4 are a bottom perspective view, a toe side perspective view, and a heel side perspective view of a golf club head according to an embodiment of the apparatus, method, and product described in the present specification, respectively. FIG. 5 and a cross-sectional perspective view (along line 4-4 of FIG. 1).

5, FIG. 6, and FIG. 7 are top views of the golf club head for another embodiment of the apparatus, method, and product described herein (along line 6-6 of FIG. 5, respectively). ) It is a schematic cross-sectional view and a front view.

8, 9, and 10 are top views of the golf club head for another embodiment of the apparatus, method, and product described herein (along line 9-9 of FIG. 8). ) It is a schematic cross-sectional view and a front view.

11, 12, and 13 are top views of a golf club head, respectively, for still another embodiment of the apparatus, method, and product described herein (along line 12-12 of FIG. 11). It is a schematic cross-sectional view and another schematic cross-sectional view (along line 12-12 of FIG. 11).

14, FIG. 15, FIG. 16, FIG. 17, FIG. 18, FIG. 19, FIG. 20, FIG. 21, FIG. 22, FIG. 23, and FIG. 24 are the devices, methods, and products described in the present specification, respectively. A perspective rear view of a golf club head according to an embodiment, a perspective sectional view (along line 15-15 of FIG. 14), a perspective sectional view (along line 16-16 of FIG. 14), a perspective view (line of FIG. 14). Perspective cross-section (along 17-17), perspective cross-section (along line 18-18 of FIG. 14), perspective cross-section (along line 19-19 of FIG. 14), (line 20- of FIG. 14). Perspective cross-section (along 20), another perspective cross-section (along line 15-15 of FIG. 14), another perspective cross-section (along line 19-19 of FIG. 14), golf club of FIG. It is a front perspective view showing excluding the face part of a head, and the figure which shows the back side of the face part of the golf club head of FIG.

FIG. 25 is a diagram showing one of the methods for manufacturing the golf club head illustrated in FIG.

26, 27, and 28 are perspective views (along lines 26-26 of FIG. 27) of a golf club head with respect to an embodiment of the apparatus, method, and product described herein, respectively. , A perspective sectional view (along line 27-27 of FIG. 26) and a perspective sectional view (along line 28-28 of FIG. 26).

29, 30, and 31 are perspective cross-sectional views (along lines 29-29 of FIG. 30) of a golf club head according to an embodiment of the apparatus, method, and product described herein, respectively. , A perspective sectional view (along line 30-30 of FIG. 29) and a perspective sectional view (along line 31-31 of FIG. 29).

32, 33, and 34 are perspective views (along lines 32-32 of FIG. 33) of a golf club head according to an embodiment of the apparatus, method, and product described herein, respectively. , A perspective sectional view (along line 33-33 of FIG. 32) and a perspective sectional view (along line 34-34 of FIG. 32).

35, 36, and 37 are perspective views (along lines 35-35 of FIG. 36) of a golf club head with respect to an embodiment of the apparatus, method, and product described herein, respectively. , A perspective sectional view (along line 36-36 of FIG. 35) and a perspective sectional view (along line 37-37 of FIG. 35).

38, 39, and 40 are perspective cross-sectional views (along lines 38-38 of FIG. 39) of a golf club head with respect to an embodiment of the apparatus, method, and product described herein, respectively. , A perspective sectional view (along line 39-39 of FIG. 38) and a perspective sectional view (along line 40-40 of FIG. 38).

41, 42, and 43 are perspective views (along lines 41-41 of FIG. 42) of a golf club head according to an embodiment of the apparatus, method, and product described herein, respectively. , A perspective sectional view (along line 42-42 of FIG. 41) and a perspective sectional view (along line 43-43 of FIG. 41).

FIG. 44 is a perspective sectional view of a golf club head according to an embodiment of the apparatus, method, and product described herein.

FIG. 45 is a perspective sectional view of a golf club head according to an embodiment of the apparatus, method, and product described herein.

FIG. 46 is a perspective sectional view of a golf club head according to an embodiment of the apparatus, method, and product described herein.

FIG. 47 is a diagram illustrating a method of manufacturing an exemplary golf club head described herein.

48, 49, 50, 51, 52, and 53, respectively, are a perspective front view and a perspective rear view of a golf club head according to an embodiment of the apparatus, method, and product described herein. Figure, perspective front view showing excluding the face portion, perspective sectional view (along line 51-51 of FIG. 49), perspective sectional view (along line 52-52 of FIG. 49), and line of FIG. 49. It is a perspective sectional view (along 53-53).

54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, and 65, respectively, are the devices and methods described herein. And a perspective front view, a perspective rear view, a perspective cross section (along line 56-56 of FIG. 55), a perspective cross section (along line 57-57 of FIG. 55) for one embodiment of the product. Figure, perspective cross-sectional view (along line 58-58 in FIG. 55), perspective front view showing excluding the face portion, another perspective front view showing excluding the face portion, another perspective front view showing excluding the face portion. Figure, perspective cross-section (along line 62-62 of FIG. 54), perspective cross-section (along line 63-63 of FIG. 54), perspective cross-section (along line 64-64 of FIG. 54). be.

FIG. 65 is a rear view of the face portion of a golf club head for any embodiment of the devices, methods, and products described herein.

FIG. 66 is a diagram illustrating a method of manufacturing an exemplary golf club head described herein.

67, 68, 69, 70, 71, and 72, respectively, are a perspective front view and a perspective rear view of a golf club head according to an embodiment of the apparatus, method, and product described herein. Figure, perspective front view showing excluding the face portion, perspective sectional view (along line 70-70 in FIG. 68), perspective sectional view (along line 71-71 in FIG. 68), line 72 in FIG. It is a perspective sectional view (along -72).

73 and 74 are front and back perspective views of the filling insert according to one embodiment of the apparatus, method, and product described herein, respectively.

FIG. 75 is a perspective cross section of a golf club head shown in FIG. 67 along lines 71-71 of FIG. 68, comprising a filling insert for another embodiment of the apparatus, method, and product described herein. It is a figure.

76, 77, and 78 are a front perspective view, a rear perspective view, and a side perspective view of the filling insert of FIG. 75.

79, 80, 81, 82, 83, 84, 85, and 86 show filling inserts for some embodiments of the devices, methods, and products described herein. FIG. 6 is a perspective sectional view taken along line 71-71 of FIG. 68 of the golf club head shown in FIG. 67.

FIG. 87 is a diagram showing a manufacturing example of a golf club head according to any embodiment of the devices, methods, and products described herein.

88 and 89 are cross-sectional views of two examples of faces relating to any embodiment of the apparatus, method, and product described herein.

FIG. 90 is a top view of a mass section for any embodiment of the apparatus, method, and product described herein.

91 and 92 are side views of an exemplary mass section for any embodiment of the apparatus, method, and product described herein.

For simplification and clarification of the description, the drawings show the structure in a general manner and the description and details of well-known functions and techniques are omitted to avoid unnecessarily obscuring the present disclosure. In some cases. In addition, the elements in the drawing may not be drawn to scale. For example, the dimensions of some elements in the drawings may be exaggerated relative to other elements to help improve understanding of the embodiments of the present disclosure.

Generally, methods for manufacturing golf club heads, golf clubs, golf club heads and golf clubs are described herein. The following US patents and US patent applications are collectively referred to herein as "applications incorporated by reference" and are incorporated herein by reference in their entirety: US Pat. No. 8,961,336; No. 9,199,140; No. 9,199,143; No. 9,352,197; No. 9,399,158; No. 9,468,821; No. 9,533,201; No. 9, No. 550,096; No. 9,610,481; No. 9,630,070; No. 9,669,270; No. 9,675,853; No. 9,782,643; No. 9,795 842; 9,814,952; 9,821,201; 9,833,667; 9,861,867; 9,981,160; 10,213,659 No. 10,413,787; and US Patent Application No. 15 / 209,364 filed on July 13, 2016; US Patent Application No. 15/462 filed on March 17, 2017. , 281; US Patent Application No. 15 / 785,001 filed October 16, 2017; US Patent Application No. 15 / 876,877 filed January 22, 2018; March 2018 US Patent Application No. 15 / 934,579 filed on 23rd; US Patent Application No. 16 / 039,496 filed on July 19, 2018; US Patent filed on November 2, 2018 Application 16 / 179,406; US Patent Application No. 16 / 205,583 filed November 30, 2018; US Patent Application No. 16 / 422,661 filed May 24, 2019.

In the example of FIGS. 1 to 4, the golf club head 100 includes a top portion 130 having a crown portion 135, a bottom portion 140, a toe portion 150, a heel portion 160, a front portion 170, and a rear portion 180. The provided body portion 110 may be included. The crown portion 135 may be a separate component composed of a composite material and attached to the top portion 130. The bottom portion 140 extends between the top portion 130 and the bottom portion 140 across the peripheral portion of the golf club head 100 extending from the toe portion 150 to the rear portion 180 and reaching the heel portion 160, except for the front portion 170. A skirt portion (not shown) defined as a side portion of the existing golf club head 100 may be included. The front portion 170 may include a face portion 175 that hits a golf ball (not shown). The golf club head 100 may have a neutral shaft 401. The neutral axis 401 may be perpendicular to the face portion 175 and may intersect the center of the face portion 175. The body portion 110 may also include a hosel portion 165 for receiving a shaft (not shown). Alternatively, the body portion 110 may include a bore in place of the hosel portion 165. The body portion 110 may be made from any one material or combination thereof described in any of the applications described herein or incorporated by reference. The maximum front-rear distance of the golf club head 100 may be greater than the maximum heel-toe distance of the golf club head 100. 1 to 4 show a particular type of golf club head (eg, a driver-based club head), but the devices, methods, and products described herein are other types of club heads (eg, driver-based club heads). For example, it may be applicable to a fairway wood type club head, a hybrid type club head, an iron type club head, a putter type club head, etc.). The devices, methods, and products described herein are not limited to this.

The bottom portion 140 has, for example, a first set of ports 211 (generally represented as ports 212, 214, 216) near the toe portion 150, a first port area 210, and a second set near the front portion 170. It has a second port area 220 with ports 220 (generally represented as ports 222, 224, 226) and a third set of ports 231 (generally represented as ports 232, 234, 236) near the heel portion 160. It may include a plurality of port areas, designated as a third port area 230. 1 to 4 show port regions and specific configurations of ports, the number of port regions, the number and configuration of ports in each region, and the location of ports are incorporated herein by reference or reference. Can be similar to any golf club head described in any of the applications. The body portion 110 also includes a first set of mass parts 260 (generally represented as mass parts 262, 264, 266), a second set of mass parts 270 (generally represented as mass parts 272, 274, 276), and a second set. It may include a plurality of mass parts, represented as three sets of mass parts 280 (generally represented as mass parts 282, 284, 286). Each port can accept any mass part interchangeably. The masses of the mass portion 260 of the first set, the mass portion 270 of the second set, and / or the mass portion 280 of the third set may be similar or different. Thus, by using mass parts of similar or different mass to each port of port regions 210, 220, and / or 230, as described in any of the applications described herein or incorporated by reference. Adjust the overall mass and / or mass distribution of each port region and swing weight, center of gravity, moment of inertia, and / or overall of the golf club head for individuals using the golf club head 100. The feel can be largely optimized and / or adjusted. The devices, methods, and products described herein are not limited to this.

A particular region within the body portion 110 is a polymeric material, also referred to herein as a filling material, similar to any polymeric material described herein or incorporated by reference. Can include. The filling material may attenuate the vibration of the golf club head 100 when hitting a golf ball (not shown), attenuate noise, lower the center of gravity, and / or provide a good feel and sound. The golf club head 100 has one or more internal regions and / or cavities that may include the same filling material as any golf club head described in any of the applications described herein or incorporated by reference. Can be. In one example, as shown in FIG. 4, the body portion 110 may include a cavity wall portion 320. The cavity wall portion 320 may form a first internal cavity portion 410 and a second internal cavity portion 420 in the body portion 110. The first internal cavity portion 410 and the second internal cavity portion 420 may be separated by the cavity wall portion 320. Alternatively, the first internal cavity 410 and the second internal cavity 420 may be connected through one or more openings in the cavity wall 320. The devices, methods, and products described herein are not limited to this.

As shown in FIG. 4, the cavity wall portion 320 may include a first portion 322 extending from the position of the top portion 130 or a position close thereto toward the bottom portion 140. The first portion 322 may extend towards the bottom 140 at a particular angle or orientation with respect to the face portion 175. In one example, the first portion 322 may extend towards the bottom 140 and away from the face portion 175. Therefore, the first width 411 ( _WC1 ) of the first internal cavity portion 410 may increase in the direction from the top portion 130 to the bottom portion 140. In another example, the first portion 322 may extend towards the bottom 140 and towards the face portion 175. Therefore, the first width 411 of the first internal cavity portion 410 may decrease in the direction from the top portion 130 to the bottom portion 140. In the example shown in FIG. 4, the first portion 322 of the cavity wall portion 320 may extend from the position of the top portion 130 that is substantially parallel or substantially parallel to the face portion 175 or a position close thereto. Therefore, the first width 411 of the first internal cavity 410 can be constant or substantially constant. The devices, methods, and products described herein are not limited to this.

The first internal cavity 410 may include an enlarged cavity 412 between the top 130 and the bottom 140. As in the example shown in FIG. 4, the enlarged cavity portion 412 extends partially or completely over the second port region 220. _{Therefore, the enlarged cavity portion 412 may have a second width 413 (W C2} ) of the first internal cavity portion 410 that is larger than the first width 411 of the first internal cavity portion 410. The second width 413 may be about twice as large as the first width 411. The second width 413 may be at least twice as large as the first width 411. The enlarged cavity portion 412 may be located at least partially under the neutral axis 401 of the golf club head 100. The enlarged cavity portion 412 may be completely positioned under the neutral axis 401 of the golf club head 100. The first width 411 may be located on the neutral axis 401. The second width 413 may be located below the neutral axis 401. The enlarged cavity portion 412 may be defined by a second wall portion 324 that extends from the first wall portion 322 toward the rear portion 180 and the bottom portion 140 and returns across the second port region 220. The first internal cavity portion 410 may include a third wall portion 326 extending from the second wall portion 324 to the position of the bottom portion 140 or a position close thereto. _{The first internal cavity portion 410 may have a third width 414 (WC3} ) extending from the third wall portion 326 to the back surface 176 of the face portion 175. The third width 414 may be located below the enlarged cavity portion 412. The third width 414 may be located below the second width 413. The third width 414 may be smaller than the second width 413. The third width 414 may be substantially equal to the first width 411. As in the example shown in FIG. 4, the third width 414 may be disposed between the second port region 220 and the face portion 175. The third width 414 may be placed in close proximity to the bottom portion. In another example, the first width 411 can be similar to the second width 413 of the first internal cavity 410 (not shown). Therefore, in the first wall portion 322 of the cavity wall portion 320, a part of the first internal cavity portion 410 above the second port region 220 is above one or more ports of the second port region 220. It may be arranged further behind the position of the first wall portion 322 shown in FIG. 4 toward the rear portion 180 so as to extend to the rear portion 180. In another example, the first internal cavity 410 may be configured similarly to any of the internal cavities described herein and shown in FIGS. 5-13. The devices, methods, and products described herein are not limited to this.

In one example, the first internal cavity 410 may not be filled (ie, an empty space). Alternatively, the first internal cavity section 410 absorbs impact, blocks vibration, damps noise, and / or provides structural support for the face portion so that the filling material (ie, cavity filling portion). Can be partially filled (ie, less than 100% filled) or fully filled with. For example, at least 50% of the first internal cavity 410 absorbs the impact of the golf club head 100 hitting the golf ball through the face 175, blocks vibrations, and / or attenuates noise. As such, it can be filled with TPE material. In one example, the first internal cavity 410 may be partially or completely filled with the filling material through a port (eg, port 224) located at the bottom 140. In one example, as shown in FIG. 4, the port 224 may include an opening to access the first internal cavity 410. The opening may provide a fluid passage for the filling material introduced into the first internal cavity 410. The devices, methods, and products described herein are not limited to this.

When the face portion 175 of the golf club head 100 hits a golf ball, the face portion 175 and the filling material may be deformed and / or compressed. The kinetic energy of the impact can be transmitted to the face portion 175 and / or the filling material. For example, some of the kinetic energy can be converted to heat by the filling material or by the action of deforming and / or compressing the filling material. In addition, some of the kinetic energy is returned to the golf ball, which can be fired at a particular speed. A filling material with a relatively high COR can transfer a relatively large amount of kinetic energy to the golf ball and diffuse a relatively small amount of kinetic energy. Therefore, a filling material having a relatively high COR produces a relatively high golf ball speed because a relatively large portion of the kinetic energy of the impact can be returned to the golf ball to launch the golf ball from the golf club head 100. obtain. The devices, methods, and products described herein are not limited to this.

By supporting the cavity wall portion 320 forming the first internal cavity portion 410 and filling at least a part of the first internal cavity portion 410 with a filling material, the face portion 175 is structurally complete of the golf club head 100. It can be made relatively thin without compromising sex, sound, and / or feel. In one example, the face portion 175 may have a thickness of 0.075 inches or less (eg, the distance between the front surface 174 and the back surface 176). In another example, the face portion 175 may have a thickness of 0.2 inches or less. In another example, the face portion 175 can have a thickness of 0.06 inches or less. In yet another example, the face portion 175 may have a thickness of 0.05 inches or less. Further, the face portion 175 may have a thickness of 0.03 inch or less. In yet another example, the thickness of the face portion 175 can be 0.03 inch or more and 0.2 inch or less. The devices, methods, and products described herein are not limited to this.

In the example shown in FIGS. 1 to 4, the second internal cavity portion 420 may not be filled (that is, an empty space). Alternatively (not shown), the second internal cavity 420 may be used to fill the first internal cavity 410, which may contain one or more materials of a similar or different type to those described herein. It may be partially or completely filled with a filling material that may be different or similar to the filling material to be made (ie, the cavity filling part). The devices, methods, and products described herein are not limited to this.

Although each embodiment of the specification may describe a particular type of golf club head, the devices, methods, and products described herein may be applicable to other types of golf club heads. .. For example, referring to FIGS. 5-7, the golf club head 500 may include a body portion 510 and a cavity wall portion 520. 5 to 7 may illustrate a particular type of golf club head (eg, a fairway wood club head), but the devices, methods, and products described herein are other types of golf clubs. It may be applicable to a head (for example, a driver type club head, a hybrid type club head, an iron type club head, a putter type club head, etc.). The devices, methods, and products described herein are not limited to this.

The body portion 510 may include a toe portion 540, a heel portion 550, a front portion 560, a rear portion 570, a top portion 580 (eg, crown portion), and a bottom portion 590 (eg, sole portion). The front portion 560 may include a face portion 562 (eg, a striking surface). The face portion 562 may include a front surface 564 and a back surface 566. The front surface 564 may include a plurality of grooves, generally shown as 710 in FIG. The cavity wall portion 520 may form a first internal cavity portion 610 and a second internal cavity portion 620 in the body portion 510. As shown in FIG. 6, for example, the cavity wall portion 520 may extend from the back surface 566 of the face portion 562. The cavity wall portion 520 can be a single curved wall portion. In particular, the cavity wall portion 520 has a convex arc profile (eg, C-shape) with respect to the back surface 566 and a dome having an elliptical base (eg, FIG. 7) or a circular base on the back surface 566. It can form an elliptical structure. In another example, the cavity wall portion 520 may form a conical or cylindrical structure with the body portion 510. Alternatively, the cavity wall portion 520 may have a concave arc profile with respect to the back surface 566. The devices, methods, and products described herein are not limited to this.

The first internal cavity 610 is either described herein or incorporated by reference to absorb impact, block vibration, dampen noise, and / or provide structural support. Can be partially or completely filled with a suitable filling material, such as any filling material described in. The elastic polymer material can be injected into the first internal cavity 610 through an injection molding process through a port on the face 562. By supporting the cavity wall portion 520 forming the first internal cavity portion 610 and filling at least a portion of the first internal cavity portion 610 with a filling material, the face portion 562 is structurally complete of the golf club head 500. It can be made relatively thin without compromising sex, sound, and / or feel. The devices, methods, and products described herein are not limited to this.

The cavity wall portion 520 may include a plurality of portions. Referring to FIGS. 8-10, for example, the golf club head 800 may include a body portion 810 and a cavity wall portion 820. The body portion 810 may include a toe portion 840, a heel portion 850, a front portion 860, a rear portion 870, a top portion 880 (for example, a crown portion), and a bottom portion 890 (for example, a sole portion). The front portion 860 may include a face portion 862 (eg, a striking surface) having a front surface 864 and a back surface 866. The cavity wall portion 820 may extend from the back surface 866 so as to form the first internal cavity portion 910 and the second internal cavity portion 920 in the body portion 810. The cavity wall portion 820 may include two or more wall portions, generally shown as 930, 940, 950 in FIG. Similar to the first internal cavity 610 (FIGS. 5-7), the first internal cavity 910 can be partially or completely filled with the filling material. The filling material can be injected into the first internal cavity 910 through an injection molding process through the opening of the face 862. The devices, methods, and products described herein are not limited to this.

As shown in FIGS. 11 and 12, for example, the golf club head 1100 may include a body portion 1110 and a cavity wall portion 1120. The body portion 1110 may include a toe portion 1140, a heel portion 1150, a front portion 1160, a rear portion 1170, a top portion 1180 (eg, a crown portion), and a bottom portion 1190 (eg, a sole portion). The front portion 1160 may include a face portion 1162 (eg, striking surface) having a front surface 1164 and a back surface 1166. The face portion 1162 may be associated with a loft plane 1230 that defines the loft angle of the golf club head 1100. The cavity wall portion 1120 can be a single flat wall portion. In particular, the cavity wall portion 1120 is located between the toe portion 1140 and the heel portion 1150, and the top portion 1180 and the bottom portion so as to form the first internal cavity portion 1210 and the second internal cavity portion 1220 in the body portion 1110. It can extend between parts 1190. The cavity wall portion 1120 may be parallel or substantially parallel to the loft plane 1230. Alternatively, as shown in FIG. 13, the cavity wall portion 1320 may be perpendicular or substantially perpendicular to the ground plane 1330. Similar to the internal cavity 610 (FIGS. 5-7) and the internal cavity 910 (FIGS. 8-10), the first internal cavity 1210 is an elastic polymer material or elastomeric material, partially or completely. Can be filled. The elastic polymer material is a first internal cavity portion through an injection molding process through the ports of the face portion 1162 and / or the bottom portion 1190, as described in any of the applications described herein or incorporated by reference. Can be injected into 1210. The devices, methods, and products described herein are not limited to this.

Alternatively, the cavity wall portion 1120 may be located between the bottom portion 1190 and the top-front transition region (ie, the transition region between the top portion 1180 and the front portion 1160) so that the cavity wall portion 1120 and the loft plane 1230 are not parallel to each other. It can be extended in between. In another example, the cavity wall portion 1120 has a transition between the top portion 1180 and the bottom-front transition region (ie, the bottom portion 1190 and the front portion 1160) so that the cavity wall portion 1120 and the loft plane 1230 are not parallel to each other. Can extend between areas). 11 to 13 show flat or substantially flat cavity wall portions 1120, 1320, even if the cavity wall portions 1120 and / or 1320 are concave or convex with respect to the face portion 1162. good. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 14-24, the golf club head 1400 has a toe portion 1440 and a grip (not shown) at one end to form a golf club and a golf club head 1500 at the other end. It has a heel portion 1450 having a hosel portion 1455 configured to receive a shaft (not shown), a front portion 1460 having an outer peripheral edge portion 1461, a back portion 1470, a top portion 1480, and a sole portion 1490. The body portion 1410 may be included. The toe portion 1440, heel portion 1450, front portion 1460, back portion 1470, top portion 1480, and / or sole portion 1490 may partially overlap each other. The golf club head 1400 is an iron type golf club head (for example, 1 iron, 2 iron, 3 iron, 4 iron, 5 iron, 6 iron, 7 iron, 8 iron, 9 iron, etc. ), Or a wedge-based golf club head (eg, pitching wedge, lob wedge, sand wedge, n degree wedge such as 44 ° (degree), 48 °, 52 °, 56 °, 60 °). 14-24 show certain types of club heads, but the devices, methods, and products described herein are other types of club heads (eg, driver-based club heads, fairway wood-based clubs). It may be applicable to heads, hybrid club heads, putter club heads, etc.). The materials constituting the golf club head 1400 and / or any combination thereof may be similar to any material described in any of the applications described or incorporated herein by reference. The devices, methods, and products described herein are not limited to this.

The golf club head 1400 may include a face portion 1462 (ie, striking surface) that can be integrally formed with the body portion 1410 (eg, one single component). In one example, as shown in FIGS. 14-24, the face portion 1462 may be a separate component coupled to the body portion 1410 (eg, by adhesion, mechanically, by welding or soldering). The face portion 1462 may include a front surface 1464 and a back surface 1466. In one example (not shown), the front portion 1460 may include one or more recessed shoulder portions configured to receive the face portion 1462 for attaching the face portion 1462 to the body portion 1410. In another example, as shown in FIGS. 14-24, the back surface 1466 may include an outer peripheral portion 1467 that may be attached to the outer peripheral edge portion 1461 of the body portion 1410 in order to attach the face portion 1462 to the body portion 1410. .. The outer peripheral edge portion 1461 of the body portion 1410 and the outer peripheral portion 1467 of the face portion 1462 may be attached by one or more fasteners, one or more adhesives or binders, and / or welding or soldering. In one example, as shown in FIGS. 14-24, the outer peripheral portion 1467 of the face portion 1462 may be welded to the outer peripheral edge portion 1461 of the body portion 1410 at one or more positions. Alternatively, the entire outer peripheral portion 1467 of the face portion 1462 may be welded (ie, continuous welded) to the entire outer peripheral edge portion 1461 of the body portion 1410. The face portion 1462 may include a ball striking area 1468 for hitting a golf ball. In one example, the center of the ball striking region 1468 may be the geometric center 1436 of the face portion 1462. In another example, the geometric center 1436 of the face portion 1462 may be offset from the center of the ball striking region 1468. In one example, the geometric center 1443 and one or more areas in the vicinity of and / or the geometric center within the ball striking area 1468 are on the face portion 1462 for hitting a golf ball. Can provide a generally optimal position for the ball (ie, optimal ball flight distance, ball speed, ball spin characteristics, etc.). In yet another example, any position within or near the geometric center 1436 and within the ball striking area 1468 may provide a generally optimal position on the face portion 1462 for hitting a golf ball. However, the ball may be struck at any position on the face portion 1462 within or outside the ball striking area 1468 of any golf club head described herein and is the preferred center of the individual. It brings certain ball flight characteristics that are different from hitting with. The configuration of the face portion 1462 and the attachment of the face portion 1462 to the body portion 1410 (eg, welding) may be similar in many respects to the golf club head described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

The golf club head 1400 may be associated with a ground plane 2310, a horizontal center plane 2320, and a top plane 2330. In particular, the ground plane 2310 is parallel to or substantially parallel to the ground and when the golf club head 1400 is in the address position (eg, when the golf club head 1400 is aligned to hit a golf ball). It may be a plane in contact with the lowermost end of the sole portion 1490. The top plane 2330 may be a plane that touches the top edge of the top portion 1480 when the golf club head 1400 is in the address position. The ground plane 2310 and the top plane 2330 can be parallel or substantially parallel to each other, respectively. The horizontal center plane 2320 can be in the vertical middle between the ground plane 2310 and the top plane 2330, respectively. Further, the golf club head 1400 may be associated with a loft plane 2340 defining a loft angle 2345 (α) of the golf club head 1400. The loft plane 2340 can be a tangent plane to the face portion 1462. The loft angle 2345 may be defined by a loft plane 2340 and a vertical plane 2350 perpendicular to the ground plane 2310.

The body portion 1410 can be a hollow body including an internal cavity 1510 having an inner wall 1512. The internal cavity 1510 may extend between the front portion 1460, the back portion 1470, the top portion 1480, and the sole portion 1490. In the example of FIGS. 14-24, the internal cavity 1510 of the body portion 1410 may be sealed by the face portion 1462 and partially defined by the face portion 1462. Configuration of the internal cavity 1510 (eg, height, width, volume, shape, etc.), configuration of the internal cavity 1510 with respect to the body portion 1410 (eg, volume of the internal cavity 1510 relative to the volume of the body portion 1410), changes in width and height. And, access to the internal cavity 1510 from one or more ports of the body portion 1410 is similar to any golf club head described in any of the applications described herein and / or incorporated by reference. Can be. The devices, methods, and products described herein are not limited to this.

Further, the body portion 1410 may include one or more ports which may be external and / or internal ports (eg, located inside the body portion 1410). The inner wall 1512 of the inner cavity 1510 may include one or more ports (not shown). In one example, as shown in FIG. 14, the back portion 1470 may include one or more ports along or near the perimeter of the body portion 1410. For example, the body portion 1410 may include a first set of ports 1520 (eg, designated as ports 1521, 1522, 1523) and a second set of ports 1530 (eg, designated as ports 1531, 1532, 1533). It may include three sets of ports 1540 (eg, represented as ports 1541, 1542, 1543). The location of each port of the first set of ports 1520, the second set of ports 1530, and / or the third set of ports 1540, the spacing from other ports, and any other configuration are described herein or. It can be similar in many respects to any port described in any of the applications incorporated by reference. Further, any one or more ports of the first set of ports 1520, the second set of ports 1530, and / or the third set of ports 1540 may be connected to the internal cavity 1510, through which one. Alternatively, a plurality of filling materials may be injected into the internal cavity 1510. In the example of FIGS. 14-24, the port 1542 may be connected to the internal cavity 1510 via the opening 1543. The devices, methods, and products described herein are not limited to this.

Each port of the first set of ports 1520 may be separated by a distance less than the port diameter of any of the ports of the first set of ports 1520. Each port of the second set of ports 1530 may be separated by a distance less than the port diameter of any of the ports of the second set of ports 1530. Each port of the third set of ports 1540 may be separated by a distance less than the port diameter of any of the ports of the third set of ports 1540. The first set of ports 1520 and the second set of ports 1530 may be separated by a distance substantially greater than the port diameter of either the first set of ports 1520 or the second set of ports 1530. In one example, the second set of ports 1530 and the third set of ports 1540 may be separated by a distance smaller than the port diameter of either the second set of ports 1530 or the third set of ports 1540. In another example, as shown in FIG. 14, the second set of ports 1530 and the third set of ports 1540 are larger than the port diameters of either the second set of ports 1530 or the third set of ports 1540. It can be separated by a substantially large distance. In one example, the portion of the body portion 1410 between the ports 1530 of the second set and the ports 1540 of the third set may be largely corresponding to or aligned with the ball striking region 1468, or may have no ports at all. In another example (not shown), the second set of ports 1530 and the third set of ports 1540 may extend continuously from the toe portion 1440 to the heel portion 1450 at approximately equal intervals. The devices, methods, and products described herein are not limited to this.

Although the ports are shown as separate individual parts in the drawings, the first set of ports 1520, the second set of ports 1530, and the third set of ports 1540 can each be a single port. In one example, all of the first set of ports 1520 (eg, represented as 1521, 1522, 1523) can be combined into a single port (eg, first port). In another example, all of the second set of ports 1530 (eg, represented as 1531, 1532, 1533) can be combined into a single port (eg, the second port). In yet another example, all of the third set of ports 1540 (eg, designated as 1541, 1542) may be combined into a single port (eg, third port). Although the drawings show a particular number of ports, the devices, methods, and products described herein may include a larger number or a smaller number of ports.

The body portion 1410 may include one or more mass parts (eg, weight portions) which may be an integral mass portion or a separate mass portion coupled to the body portion 1410. In the example shown in FIG. 14, the body portion 1410 has a mass portion 1620 of the first set (eg, represented as mass portions 1621, 1622, 1623) and a mass portion 1630 of the second set (eg, mass portions 1631, 1632). , 1633) and a third set of mass parts 1640 (eg, represented as mass parts 1641, 1642). In the above example, a particular number or portion of parts by weight has been described, but a set of parts by weight may be a single mass or multiple parts as described in any of the applications incorporated by reference. Can include. For example, the mass part 1620 of the first set may be a single mass part (eg, mass parts 1631, 1632, 1633 may be a single mass part referred to as a first mass part). Similarly, the mass portion 1630 of the second set and / or the mass portion 1640 of the third set can be a single mass part. Further, the mass portion 1620 of the first set, the mass portion 1630 of the second set, and / or the mass portion 1640 of the third set may be part of the physical structure of the body portion 1410. The mass portion 1620 of the first set, the mass portion 1630 of the second set, and / or the mass portion 1640 of the third set are any mass parts described in any of the applications described herein or incorporated by reference. Can be similar to. The devices, methods, and products described herein are not limited to this.

While the body portion 1410 can be made of the first material, each mass portion of the mass portion 1620 of the first set, the mass portion 1630 of the second set, and / or the mass portion 1640 of the third set is the second. Can be made of the same material. The mass parts 1620 of the first set, the mass parts 1630 of the second set, and / or the mass parts 1640 of the third set can be similar or different materials. The materials of the body portion 1410 and any mass portion of the mass portion 1620 of the first set, the mass portion 1630 of the second set, and / or the mass portion 1640 of the third set are each incorporated by reference. It can be the same as each material of the body part and any mass part described in any. The devices, methods, and products described herein are not limited to this.

The internal cavity 1510 may be partially or completely filled with one or more filling materials (ie, cavity filling materials) that may include one or more similar or different types of materials. In one example, as shown in FIGS. 14-24, the internal cavity 1510 may be filled with a first filling material 1712 and a second filling material 1714. The first filling material 1712 may be coupled or attached to the back surface 1466 of the face portion 1462. In one example, the first filling material 1712 may have inherent adhesive or binding properties for attachment to the back surface 1466 of the face portion 1462. In another example, the first filling material 1712 may be attached to the back surface 1466 of the face portion 1462 with one or more binders or adhesives that may be mixed with the first filling material 1712. In another example, the first filling material 1712 may be attached to the back surface 1466 of the face portion 1462 with one or more binders or adhesives that may be separated from the first filling material 1712. In another example, the first filling material 1712 may be maintained in contact with the back surface 1466 of the face portion 1462 with the second filling material 1714 as described herein. In yet another example, the first filling material 1712 is coupled to the back surface 1466 of the face portion 1462 and the second filling material 1714 to the back surface 1466 of the face portion 1462 as described herein. Can be contacted and maintained. The first filling material 1712 and / or the second filling material 1714 may be similar to the filling material described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

The first filling material 1712 may be coupled to at least a portion of the back surface 1466 of the face portion 1462 corresponding to the ball striking region 1468 of the face portion 1462. The first filling material 1712 may be coupled to the area of the back surface 1466 of the face portion 1462 that exceeds the ball striking area 1468. The first filling material 1712 is coupled to one or more portions of the back surface 1466 of the face portion 1462 that are 10% or more and less than 100% of the area of the back surface 1466 of the face portion 1462 exposed to the internal cavity 1510. obtain. The amount of the first filling material 1712 that can be coupled to the back surface 1466 of the face portion 1462 is the loft angle of the golf club head, the overall thickness of the face portion 1462, the thickness profile of the face portion 1462, the shape of the internal cavity 1510, It may depend on the location and configuration of any port or mass, the material properties of the first filling material 1712, and / or the material properties of the second filling material 1714. In one example, the relatively large portion of the back surface 1466 of the face portion 1462 is the first due to the relatively thin face portion 1462 so that the first filling material 1712 provides sufficient structural support for the face portion 1462. It can be bonded to the filling material 1712. In another example, a golf club head with a relatively large loft angle may limit the portion of the back surface 1466 of the face portion 1462 to which the first filling material 1712 can be bonded. In yet another example, the acoustic properties of the golf club head can be a factor in determining the amount of filling material 1712 that can be coupled to the back surface 1466 of the face portion 1462 to provide a pleasing sound and feel to the individual. The amount of the first filling material 1712 coupled to the back surface 1466 of the face portion 1462 is (i) a golf club head 1400 as perceived by an individual using the golf club head 1400 for vibration damping or acoustic damping (eg, golf club head 1400). Can provide a consistent and / or pleasing sound and feel when hitting a golf ball with, (ii) can provide structural support to the face portion 1462, and / or (iii) ball movement. Distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, and / or ball variation can be optimized. The devices, methods, and products described herein are not limited to this.

_{The width 1722 (WF1} ) of the first filling material 1712 can vary from the toe portion 1440 to the heel portion 1450 and / or from the top portion 1480 to the sole portion 1490. The width 1722 of the first filling material 1712 can be constant or substantially constant from the toe portion 1440 to the heel portion 1450 and / or from the top portion 1480 to the sole portion 1490. The width 1722 of the first filling material 1712 may be constant or substantially constant at one or more positions within the internal cavity 1510 or may vary at certain other positions within the internal cavity 210. .. In one example, as shown in FIGS. 14-24, the width 1722 of the first filling material 1712 is similar to or substantially the same as the contour of all or part of the inner wall 1512 of the inner cavity 1510 (ie, the inner cavity). Similar to or substantially the same as the shape of the inner wall 1512 of 1510), it can vary at one or more positions of the inner cavity 1510. Thus, the amount of the first filling material 1712 in the inner cavity 1510 and / or coupled to the face portion 1462 is described herein between the first filling material 1712 and the inner wall 1512 of the inner cavity 1510. Further, it can be maximized while maintaining the specific gap described. In another example, the ball striking region 1468 and / or the first filling material 1712 around the face portion 1462 has a relatively large width 1722 and (i) vibration damping or acoustic damping (eg, golf club). It is possible to provide a consistent and / or pleasing sound and feel when hitting a golf ball with the golf club head 1400, as perceived by an individual using the head 1400, and (ii) structurally to the face portion 1462. Support can be provided and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, and / or ball variation can be optimized. can. The width 1722 of the first filling material 1712 is determined in the ball striking region 1468 and / or the other region of the internal cavity 1510 so that a relatively high or optimal coefficient of restitution (COR) is provided for the golf club head 1400. Can be done. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIGS. 14-24, the distance between the first filling material 1712 and the inner wall 1512 of the inner cavity 1510 may define the gap 1724. The size of the gap 1724 is the shape of the first filling material 1712, the shape of the inner wall 1512 of the inner cavity 1510, the location of one or more ports that can be connected to the inner cavity 1510, one or more integral and /. Or the location of the removable mass and / or may be constant or variable within the internal cavity 210, similar to or substantially the same as other factors as described herein. .. At a particular location in the internal cavity 1510, the size of the gap 1724 may be as small as possible, but accommodates a second filling material 1714 between the first filling material 1712 and the inner wall 1512 of the internal cavity 1510. Provide enough space for. In one example, the gap may be the result of manufacturing a golf club head with a first filling material 1712 and a second filling material 1714.

In one example, the gap 1724 can be greater than or equal to 0.001 inch (0.003 cm) and less than or equal to 0.2 inch (0.508 cm). In another example, the gap 1724 can be greater than or equal to 0.007 inches (0.18 cm) and less than or equal to 0.1 inches (0.384 cm). In another example, the gap 1724 can be greater than or equal to 0.015 inches (0.038 cm) and less than or equal to 0.05 inches (0.127 cm). In yet another example, the gap 1724 can be greater than or equal to 0.003 inches (0.008 cm) and less than or equal to 0.38 inches (0.635 cm). The devices, methods, and products described herein are not limited to this.

ここで、Ｗｇ_max はＷｇの最大値であり、Ｗｇ_min はＷｇの最小値であり、１＜Ｒｇ≦５である。 As described herein, the width 1722 of the first filling material 1712 can vary similar to or substantially the same as the shape of the inner wall 1512 of the inner cavity 1510. Therefore, in one example, the variation in width (Wg) of the gap 1724 can be expressed by the following equation.

Here, Wg _max is the maximum value of Wg, Wg _min is the minimum value of Wg, and 1 <Rg ≦ 5.

In one example, Rg can be 2 or less as the width 1722 of the first filling material 1712 varies in a similar or substantially similar manner to the shape of the inner wall 1512 of the inner cavity 1510. In another example, Rg can be 3 or less. Therefore, the maximum width (Wg _max ) of the gap 1724 can be less than or equal to three times _{the minimum width (Wg min) of the gap 1724.} In yet another example, Rg can be 4 or less. Therefore, the maximum width (Wg _max ) of the gap 1724 can be four times or less _{the minimum width (Wg min) of the gap 1724.} Even if the change in the gap 1724 is small, the shape of the first filling material 1712 can change similar to or substantially the same as the contour of the inner wall 1512 of the inner cavity 1510 (ie, the shape of the inner wall of the inner cavity 1510). good. Although the above examples _{have described specific ratios of Wg max} to Wg _min , the devices, methods, and products described herein may include larger ratios of _{Wg max} to Wg _min. The devices, methods, and products described herein are not limited to this.

ここで、ＦＡ_m は第１の充填材料１７１２の前面面積１７１３であり、ＢＡ_f はフェース部１４６２の内面部１４６９の面積であり、αはフェース部１４６２のロフト角であり、−０．００３≦Ａ₁ ≦０．００１であり、０．４≦Ａ₂ ≦０．８５である。 The back surface 1466 of the face portion 1462 may include an outer peripheral portion 1467 that can be attached to the outer peripheral edge portion 1461 of the body portion 1410, as described herein. Thus, the back surface 1466 of the face portion 1462 may include an inner surface portion 1469 exposed in the internal cavity 1510. The inner surface portion 1469 may also demarcate the boundary of the inner cavity 1510 (ie, the anterior boundary of the inner cavity 1510). In one example (not shown), the first filling material 1712 may be coupled to the entire inner surface portion 1469 of the face portion 1462. In another example, as shown in FIGS. 14-24, the first filling material 1712 may be coupled to a portion of the inner surface portion 1469 of the face portion 1462. Therefore, the first filling material 1712 may include a front surface area 1713 attached to the inner surface portion 1469 of the face portion 1462. In one example, the front surface area 1713 of the first filling material 1712 (the area of the front surface of the first filling material 1712 attached to the face portion 1462) (FA _m ) and the area of the inner surface portion 1469 of the face portion 1462 (BA _f ). The relationship between and can be expressed by the following equation.

Here, FA _m is the front surface area 1713 of the first filling material 1712, BA _f is the area of the inner surface portion 1469 of the face portion 1462, α is the loft angle of the face portion 1462, and −0.003 ≦. A ₁ ≤ 0.001 and 0.4 ≤ A ₂ ≤ 0.85.

The loft angle α as used herein can be associated with the type of iron golf club, such as a 5 iron golf club, a 7 iron golf club, or a wedge golf club. For example, a 5 iron golf club head may have a loft angle α of 38 ° ± 2 °. In another example, the 7 iron golf club head may have a loft angle α of 44 ° ± 2 °. In yet another example, the wedge-based golf club head may have a loft angle α of 5 ° ± 2 °. Therefore, any loft angle represented herein can vary by ± 2 ° with the same type of iron golf club head. In the above example, a specific iron golf club head has been described, but the devices, methods, and products described herein include driver golf club heads, fairway wood golf club heads, and hybrid golf club heads. , Putter-based golf club heads, or other types of golf club heads. Further, although the above examples have described specific loft angles, the devices, methods, and products described herein may include larger or smaller loft angles. The devices, methods, and products described herein are not limited to this.

The upper and lower limits of the coefficients A ₁ and A ₂ may demarcate the upper and lower boundaries of the ratio of the front area 1713 of the first filling material 1712 to the area of the inner surface 1469 of the face 1462. In one example, according to equation (2) _{and assuming that the value of the coefficient A 1} is -0.0018, the first filling material 1712 with respect to the area of the inner surface portion 1469 of the face portion 1462 of the iron golf club head set. The upper and lower boundaries of the ratio of frontal area 1713 can be determined as shown in Table 1.

The loft angle of the golf club head can determine the structural configuration of the golf club head. Thus, golf club heads with different loft angles may have different internal cavity shapes, port positions, mass positions, filling material volumes, different CG positions, different sized face portions, or different golf club head cross-sectional shapes. In one example, a golf club head with a relatively large loft angle may have a generally smaller cavity width profile than a golf club head with a smaller loft angle. _{Therefore, the FA m} / BA _f value of a golf club head having a relatively large loft angle depends on the amount of filling material that can be provided in the internal cavity of each golf club head, as described herein. , May be generally smaller than a golf club head with a smaller loft angle. The devices, methods, and products described herein are not limited to this.

ここで、Ｖ_m は第１の充填材料１７１２の体積であり、Ｖ_c は内部キャビティ１５１０の体積であり、αはロフト角であり、−０．００１≦Ｂ₁ ≦０．００１であり、０．３≦Ｂ₂ ≦０．６５である。 In another example, the relationship between the volume of the first filling material 1712 and the volume of the internal cavity 1510 (V _m ) can be expressed by the following equation.

Here, V _m is the volume of the first filling material 1712, V _c is the volume of the internal cavity 1510, α is the loft angle, −0.001 ≦ B ₁ ≦ 0.001, and 0. .3 ≤ B ₂ ≤ 0.65.

The upper and lower boundaries of the coefficients B ₁ and B ₂ may demarcate the upper and lower boundaries of the ratio of the volume of the first filling material 1712 to the volume of the internal cavity 1510. In one example, according to equation (3) _{and assuming a value of coefficient B 1} of -0.0015, the ratio of the volume of the first filling material 1712 to the volume of the internal cavity 1510 in the set of iron-based golf club heads. The upper and lower boundaries can be determined as shown in Table 2.

As discussed herein, golf club heads with different loft angles may have different internal cavity shapes, port positions, mass positions, filling material volumes, different CG positions, different sized faces, or different golf club head cross sections. Can have a shape. In one example, a golf club head with a relatively large loft angle may have a generally smaller cavity width profile than a golf club head with a smaller loft angle. _{Therefore, the value of V m} / V _c for golf club heads with a relatively large loft angle depends on the amount of filling material that can be provided to the internal cavity of each golf club head, as described herein. , May be generally smaller than a golf club head with a smaller loft angle. The devices, methods, and products described herein are not limited to this.

The values of the coefficients A ₁ , A ₂ , B ₁ , and B ₂ within the boundaries of these coefficients as defined herein are those of the first filling material 1712 and the internal cavity 1510, as described herein. A particular gap or a particular outer peripheral gap with the inner wall may be maintained and / or the width 1722 of the first filler 1712 at or near the ball striking region 1468 may be optimized or maximized. Further, the values of the coefficients A ₁ , A ₂ , B ₁ and B ₂ may vary within the boundaries of these coefficients as defined herein based on the particular internal configuration or structure of the golf club head. For example, as shown in FIG. 22, the width of a particular region of the internal cavity 1510 does not have to be large enough to include both the first filling material 1712 and the second filling material 1714. As shown in FIG. 19, the region of the internal cavity 1510 between the port 352 and the face portion 1462 may contain only the second filling material 1714. Therefore, as shown in FIG. 19, the absence of the first filling material 1712 in the region of the internal cavity 1510 between the port 352 and the face portion 1462 is the first filling with respect to the area of the inner surface portion 1469 of the face portion 1462. It can affect both the upper and lower boundaries of the ratio of the frontal area of the material 1712 and / or the volume of the first filling material 1712 to the volume of the internal cavity 1510. In another example, as shown in FIGS. 15 and 16, the ratio of the front surface area 1713 of the first filling material 1712 to the area of the inner surface portion 1469 of the face portion 1462 and / or the first to the volume of the internal cavity 1510. The volume ratio of the filling material 1712 is such that the width of the first filling material 1712 at the ball striking area 1468 is maximized while maintaining a gap 1724 sufficient to accommodate the second filling material 1714. Can be decided. The devices, methods, and products described herein are not limited to this.

ここで、Ｗｇ_PRは外周ギャップ１７２５の幅であり、Ｗｇ_min はギャップ１７２４の最小幅である。 As described herein, in one example, the first filling material 1712 may not be attached to the entire inner surface portion 1469 of the face portion 1462. Therefore, the first filling material 1712 and the outer peripheral edge portion 1461 (or the outer peripheral portion 1467 of the face portion) can be separated by the outer peripheral gap 1725. The outer peripheral gap 1725 may be larger than the gap 1724, depending on the design and manufacturing considerations of one or more golf club heads. For example, to attach the outer peripheral portion 1467 of the face portion 1462 to the outer peripheral edge portion 1461 of the body portion 1410, as described herein, the outer peripheral portion of the face portion 1462 is heated by heat from any welding or soldering process. The outer peripheral gap 1725 is sufficient to prevent damage, shift, movement, separation from the face portion 1462, and / or other changes in material properties (eg, melting) of the first filling material 1712 in or near 1467. Can need to be large. Therefore, for example, as shown in FIGS. 21 and 22, the outer peripheral gap 1725 may be larger than the gap 1724. In another example, as shown in FIG. 22, the portion of the inner cavity 1510 at or near the outer peripheral edge portion 1461 is not wide enough to contain both the first filling material 1712 and the second filling material 1714. You may. Therefore, the outer peripheral gap 1725 may be substantially larger than the gap 1724. Thus, the gap 1724 may be configured such that the first filling material 1712 follows the contour of the inner wall 1512 of the inner cavity 1510, but the outer peripheral gap 1725 is the same as the gap 1725 depending on the location or region of the inner cavity 1510. It may be larger, larger, or substantially larger. In one example, the relationship between the outer peripheral gap 1725 and the gap 1724 can be expressed by the following equation.

Here, Wg _PR is the width of the outer peripheral gap 1725, and Wg _min is the minimum width of the gap 1724.

In one example, the first filling material 1712 may include a polymeric material with a relatively high coefficient of restitution (COR). The COR of the first filling material 1712 can be determined by firing a golf ball-sized sample of the first filling material 1712 from the air cannon towards the steel plate. Two optical screens in known positions between the cannon and the plate can be used to measure sample entry and rebound speeds. The COR of the sample can be calculated by dividing the rebound speed by the approach speed. In one example, the first filling material 1712 may have a COR of 0.7 or greater at an approach rate of 125 ft / s (51.1 m / s). In another example, the first filling material 1712 may have a COR of 0.75 or higher at an approach rate of 125 ft / s (51.1 m / s). In yet another example, the first filling material 1712 may have a COR of 0.7 or more and 0.9 or less at an approach rate of 125 ft / s (51.1 m / s). The COR of any material described herein, including any filling material described herein, can be determined by the method described above. The devices, methods, and products described herein are not limited to this.

The compression of a golf ball-sized sample may be related to the COR of the golf ball-sized sample. Compression is a measurement of how much a golf ball-sized sample deforms (compresses) under load. A relatively low compressibility indicates a softer filling material, while a relatively high compressibility indicates a harder filling material. Compression can be measured using an ATTI compression gauge manufactured by ATTI Engineering in Union City, NJ. In one example, the COR of the first filling material 1712 can be 0.75 or higher with a compression of 35 or higher. In another example, the COR of the first filling material 1712 can be 0.78 or greater with a compression of 2 or more and 0.8 or less with a compression of 80 or less. In yet another example, the COR of the first filling material 1712 can be 0.78 or more with a compression of 45 or more and 0.9 or less with a compression of 90 or less. The devices, methods, and products described herein are not limited to this.

In one example, the first filling material 1712 can be a polymeric material having a density of ^{1.1 g / cm 3} or more and 1.3 g / cm ^{3 or less.} In another example, the first filling material 1712 can be a polymeric material having a density of ^{1.15 g / cm 3} or more and 1.38 g / cm ^{3 or less.} In yet another example, the first filling material 1712 can be a polymeric material having a density of ^{1.1 g / cm 3} or more and 1.2 g / cm ^{3 or less.} The devices, methods, and products described herein are not limited to this.

In one example, the first filling material 1712 is a polymer comprising a rubber or rubber compound similar to any of the rubbers or rubber compounds described herein that may provide the COR and compression range described herein. It may be a material. In one example, the first filling material 1712 is first such that it maximizes the COR of the first filling material 1712 while maintaining the rubber and the compressibility within a particular range as described herein. May include at least another compound that may provide an increase in the softness or hardness of the filling material 1712. In one example, the first filling material 1712 may include rubber and zinc diacrylate (ZDA), which can increase the compression value of the first filling material 1712 and the COR of the first filling material 1712. The amount of zinc diacrylate (ZDA) in the first filling material 1712 can vary to achieve a particular COR and / or compression value, as described herein. The devices, methods, and products described herein are not limited to this.

The adhesive for binding the first filling material 1712 to the back surface 1466 of the face portion 1462 can be any type of adhesive capable of binding the first filling material 1712 to the material of the face portion 1462. In one example, the first filling material 1712 may be rubber or a rubber compound, and the face portion 1462 may be made of a steel-based material such as stainless steel. Therefore, the adhesive for binding the first filling material 1712 to the back surface 1466 of the face portion 1462 can be the type of adhesive used to bond the steel-based material to the rubber or rubber compound. In another example, the first filling material 1712 may be rubber or a rubber compound, and the face portion 1462 may be made of titanium or a titanium alloy. Therefore, the adhesive for binding the first filling material 1712 to the back surface 1466 of the face portion 1462 can be the type of adhesive used to bond the titanium-based material to the rubber or rubber compound. In yet another example, the first filling material 1712 may be coupled to the back surface 1466 of the face portion 1462 at the second filling material 1714. Bonding of the first filling material 1712 to any portion of the body portion 1410, face portion 1462, and / or second filling material 1714, and body portion 1410, face portion 1462, and / or first filling material 1712. The binding of the second filling material 1714 to to may be similar to any binding properties and procedures described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

In one example (not shown), the internal cavity 1510 can be completely filled with the first filling material 1712. In another example, as shown in FIGS. 14-24, the internal cavity 1510 defines a gap 1724 between the first filling material 1712 and the inner wall 1512 of the internal cavity 1510. As such, it can be partially filled with the first filling material 1712. Therefore, the rest of the first internal cavity 1510 can be filled with the second filling material 1714. As described herein, the second filling material 1714 combines the bond between the first filling material 1712 and the face portion 1462 (eg, alone or in combination with one or more adhesives). ) Can be provided or supported. In other words, the first filling material 1712 can be maintained by the second filling material 1714 with respect to the back surface 1466 of the face portion 1462. The devices, methods, and products described herein are not limited to this.

In one example, the second filling material 1714 has density, compression, hardness (ie, durometer), tensile strength, shear strength, viscosity, elasticity, etc. so as to optimize energy transfer from the face portion 1462 to the golf ball. It may have different properties than the first filling material 1712. The second filling material can be a polymeric material such as an epoxy resin. In one example, the second filling material 1714 may have a lower COR than the first filling material 1712. The devices, methods, and products described herein are not limited to this.

ここで、ｍ_m1は第１の充填材料１７１２の質量であり、ｍ_m2は第２の充填材料１７１４の質量であり、ｍ_b はボディ部１４１０の質量であり、αはロフト角であり、−０．００１≦Ｃ₁ ≦０．００１であり、０．１≦Ｃ₂ ≦０．２である。 As described herein, the first filling material 1712 and / or the second filling material 1714 is such that vibration damping or acoustic damping (eg, as perceived by an individual using the golf club head 1400). A consistent and / or pleasing sound and feel when hitting a golf ball with the golf club head 1400) can be provided, structural support can be provided to the face portion 1462, and / or the ball travel distance, Ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, and / or ball variation can be optimized. The first filling material 1712, the second filling material 1714, or both may provide the properties and features described herein, while the mass of the first filling material 1712, the second filling material. Both masses relative to the mass of 1714, or the mass of body 1410, are optimal for the mass, mass distribution, CG, MOI properties, structural integrity, and / or other static or dynamic properties of the golf club head 1400. Can have an impact. In one example, the relationship between the mass of the first filling material 1712 (m _m1 ), the mass of the second filling material 1714 (m _m2 ), and the mass of the body portion 1410 (m _b ) is expressed by the following equation. obtain.

Here, m _m1 is the mass of the first filling material 1712, m _{m @ 2} is the mass of the second filling material 1714, m _b is the mass of the body portion 1410, alpha is the loft angle, - 0.001 ≤ C ₁ ≤ 0.001 and 0.1 ≤ C ₂ ≤ 0.2.

_{The upper and lower limits of the coefficients C 1} and C ₂ as defined herein are the ratio of the total mass of the first filling material 1712 and the second filling material 1714 to the mass of the body portion 1410 (ie, (i.e.,). It can provide upper and lower boundaries of _mm1 + _mm2 ) / m _b). In one example, according to equation (5) _{and assuming a value of coefficient C 1} of -0.0016, the first filling material 1712 and the second filling with respect to the mass of the body portion 1410 of the iron golf club head set. The upper and lower boundaries of the total mass ratio of material 1714 can be determined as shown in Table 3.

The values of the coefficients C ₁ and C ₂ within the boundaries of these coefficients as defined herein are: (i) vibration damping or acoustic damping (eg, golf as perceived by an individual using the golf club head 1400). A consistent and / or pleasing sound and feel when hitting a golf ball with the club head 1400) can be provided, (ii) structural support can be provided to the face portion 1462, and / or (iii). ) Ball movement distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, and / or ball variation can be optimized. The first filling material 1712 and the second filling material 1714 can provide the properties and features described herein, while the first filling material 1712 and the second filling material with respect to the mass of the body portion 1410. The mass of 1714 can optimally affect the mass, mass distribution, CG, MOI properties, structural integrity, and / or other static or dynamic properties of the golf club head 1400. The devices, methods, and products described herein are not limited to this.

FIG. 25 shows one of the methods of manufacturing an exemplary golf club head 1400 as described herein. In the example of FIG. 25, process 2500 may be initiated by supplying the body portion 1410 and face portion 1462 of the golf club head 1400 (block 2510). The first filling material 1712 resembles and is very similar to, for example, the contour of the inner cavity 1510 of the golf club head 1400 (ie, the shape of the inner wall 1512 of the inner cavity 1510), as described in detail herein. , Or can be formed or molded into a specific shape that is generally similar (block 2512). The molded first filling material 1712 can then be attached or coupled to the back surface 1466 of the face portion 1462 as described herein (block 2514). Next, as described herein, the face portion 1462 can be attached to the body portion 1410 to form or seal the internal cavity 1510 (block 2516). The second filling material 1714 is then connected to the internal cavity 1510 as described herein in the first set of ports 350, the second set of ports 360, and / or the third set of ports. Infused into the internal cavity 1510 through one or more of the 370, the gap 1724 may be filled, the rest of the internal cavity 1510 may be filled, and / or the first filling material 1712 may be surrounded (block 2518). A relatively narrow gap 1724 at a particular location in the internal cavity 1510 as described herein between the first filling material 1712 and the inner wall of the internal cavity 1510 is to be filled with the second filling material 1714. In addition, a second filling material 1714 may be injected into the internal cavity 1510 at relatively high pressure as needed and / or from more than one port as needed. The second filling material 1714 can then be cured at ambient temperature or by one or more heating / cooling cycles depending on the material used for the second filling material 1714. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 26 to 28, the golf club head 2600 has a toe portion 2640, a heel portion 2650, a front portion 2660 having a face portion 2662 (for example, a striking surface) having a front surface 2664 and a back surface 2666, and a back portion. It may include a body portion 2610 having a 2670, a top portion 2680, and a sole portion 2690. In one example, the body portion 2610 may be a hollow body comprising an internal cavity 2677 extending between the front portion 2660 and the back portion 2670 and extending between the top portion 2680 and the sole portion 2690. The golf club head 2600 may be similar in many respects to any golf club head described herein. For example, the golf club head 2600 may include any number of ports and / or parts by weight similar to any golf club head described herein. In another example, the golf club head 2600 may include any material described herein. The devices, methods, and products described herein are not limited to this.

The golf club head 2600 may include one or more filling materials in the internal cavity 2677. In one example, as shown in FIGS. 26-28, the golf club head 2600 has one or more properties (eg, elasticity, density, hardness) that differ from the first filling material 2711 and the first filling material 2711. And the like) may include a second filling material 2713 with. In one example, the first filling material 2711 may be a polymer material having different elasticity than the second filling material 2713 (eg, the second filling material 2713 has higher elasticity than the first filling material 2711). Or vice versa). In another example, the first filling material 2711 may be a polymer material having a different density than the second filling material 2713 (eg, the first filling material 2711 has a higher density than the second filling material 2713). May have, or vice versa). In yet another example, the first filling material 2711 may have a hardness different from that of the second filling material 2713 (eg, Shore D hardness or Shore A hardness) (eg, the first filling material 2711 may be It may have a relatively higher hardness than the second filling material 2713, or vice versa). In yet another example, the first filling material 2711 may have a different coefficient of restitution (COR) than the second filling material 2713. The first filling material 2711 and the second filling material 2713 can be different types of non-metallic materials, respectively. In one example, the first filling material 2711 may include a thermosetting material, while the second filling material 2713 may include a thermoplastic elastomer material. In another example, the first filling material 2711 can be a rubber or rubber compound as described herein. In another example, the second filling material 2713 may include a thermosetting material, while the first filling material 2711 may include a thermoplastic elastomer material. The first filling material 2711 and the second filling material 2713 may each contain the same type of non-metallic material but different properties. In one example, the first filling material 2711 may contain a thermosetting material, and the second filling material 2713 may contain a thermosetting material having different elasticity than the first filling material 2711. In another example, the first filling material 2711 may contain a thermoplastic material and the second filling material 2713 may contain a thermoplastic material having different elasticity than the first filling material 2711. Alternatively, the first filling material 2711 and the second filling material 2713 may include metallic and / or non-metallic materials, respectively. For example, the first filling material 2711 may contain one or more metallic materials, while the second filling material 2713 may contain one or more polymer materials. Further, the first filling material 2711 and / or the second filling material 2713 may include any filling material described herein. In one example, the first filling material 2711 can be an epoxy material such as any epoxy material described herein, while the second filling material 2713 is any elastomer described herein. It can be an elastomeric material such as a material. In one example, the first filling material 2711 can be an epoxy material such as any epoxy material described herein, while the second filling material 2713 is any elastomer described herein. It can be an elastomeric material such as a material. In yet another example, the first filling material 2711 can be a rubber-based compound, while the second filling material 2713 can be an epoxy-based compound. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIGS. 26-28, the first filling material 2711 may be attached or coupled to a portion of the back surface 2666 of the face portion 2662. In one example, the first filling material 2711 may be attached or coupled to the ball striking region of the back surface 2666 of the face portion 2662. In another example, the first filling material 2711 may be attached or coupled to the ball striking area of the back surface 2666 of the face portion 2662 and the area surrounding the ball striking area of the back surface 2666 of the face portion 2662. In one example, the width of the first filling material 2711 (ie, the thickness of the first filling material 2711) may be smaller than the thickness of the face portion 2662. In another example, the width of the first filling material 2711 can be similar to the thickness of the face portion 2662. In yet another example, the width of the first filling material 2711 may be greater than the thickness of the face portion 2662. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIGS. 26-28, the rest of the internal cavity 2677 may be partially or completely filled with a second filling material 2713. The first filling material 2711 may be surrounded by the second filling material 2713 so that the second filling material 2713 is attached or coupled to the rest of the back surface 2666 of the face portion 2662. As shown in FIG. 26, the second filling material 2633 may be attached to or coupled to the back surface 2666 of the face portion 2662 to define the outer periphery of the back surface 2666 of the face portion 2662 surrounding the first filling material 2711. For example, as shown in FIGS. 26-28, the second filling material 2713 is attached to or coupled to a portion of the back surface 2666 of the face portion 2662 to surround the first filling material 2711 at or near the toe portion 2640. Alternatively, it may be attached or coupled to a portion of the back surface 2666 of the face portion 2662 to surround the first filling material 2711 at or near the heel portion 2650 and attached or coupled to a portion of the back surface 2666 of the face portion 2662. The first filling material 2711 may be surrounded by the top portion 2680 or its vicinity, and / or attached to or coupled to a part of the back surface 2666 of the face portion 2662 and the first filling material 2711 at or near the sole portion 2690. May be surrounded. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 29 to 31, the golf club head 2900 has a toe portion 2940, a heel portion 2950, a front portion 2960 having a face portion 2962 (for example, a striking surface) having a front surface 2964 and a back surface 2966, and a back portion. It may include a body portion 2910 having a 2970, a top portion 2980, and a sole portion 2990. In one example, the body portion 2910 may be a hollow body comprising an internal cavity 2977 extending between the front portion 2960 and the back portion 2970 and extending between the top portion 2980 and the sole portion 2990. The golf club head 2900 may resemble any golf club head described herein in many respects. For example, the golf club head 2900 may include any number of ports and / or parts by weight similar to any golf club head described herein. In another example, the golf club head 2900 may include any material described herein. The devices, methods, and products described herein are not limited to this.

The golf club head 2900 may include a first filling material 3011 and a second filling material 3013 that may be similar to the first filling material 2711 and the second filling material 2713 of the golf club head 2600, respectively. In the example of FIGS. 29-31, the first filling material 3011 may be attached to or coupled to a portion of the back surface 2966 of the face portion 2962 as in the examples of FIGS. 26-28. However, in the example of FIGS. 29-31, the first filling material 3011 may extend from the back surface 2966 of the face portion 2962 to the back surface 2976 of the back wall (back wall) 2972 of the back portion 2970. The first filling material 3011 may contact, attach or adhere to the back surface 2976 of the back wall 2972 of the back portion 2970. The rest of the internal cavity 2977 can be partially or completely filled with the second filling material 3013. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 32 to 34, the golf club head 3200 has a toe portion 3240, a heel portion 3250, a front portion 3260 having a face portion 3262 (for example, a striking surface) having a front surface 3264 and a back surface 3266, and a back portion. It may include a body portion 3210 having a 3270, a top portion 3280, and a sole portion 3290. In one example, the body portion 3210 may be a hollow body comprising an internal cavity 3277 extending between the front portion 3260 and the back portion 3270 and extending between the top portion 3280 and the sole portion 3290. The golf club head 3200 may be similar in many respects to any golf club head described herein. For example, the golf club head 3200 may include any number of ports and / or parts by weight similar to any golf club head described herein. In another example, the golf club head 3200 may include any material described herein. The devices, methods, and products described herein are not limited to this.

The golf club head 3200 may include a first filling material 3311 and a second filling material 3313 that may be similar to the first filling material 2711 and the second filling material 2713 of the golf club head 2600, respectively. In the example of FIGS. 32 to 34, the first filling material 3311 may be attached or coupled to substantially or all of the back surface 3266 of the face portion 3262. In one example, the width of the first filling material 3311 (ie, the thickness of the first filling material 3311) may be smaller than the thickness of the face portion 3262. In another example, the width of the first filling material 3311 may be similar to the thickness of the face portion 3262. In yet another example, the width of the first filling material 3311 may be greater than the thickness of the face portion 3262. The rest of the internal cavity 3277 may be partially or completely filled with a second filling material 3313. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 35 to 37, the golf club head 3500 has a toe portion 3540, a heel portion 3550, a front portion 3560 having a face portion 3562 (for example, a striking surface) having a front surface 3564 and a back surface 3566, and a back portion. It may include a body portion 3510 having a 3570, a top portion 3580, and a sole portion 3590. In one example, the body portion 3510 may be a hollow body comprising an internal cavity 3577 extending between the front portion 3560 and the back portion 3570 and extending between the top portion 3580 and the sole portion 3590. The golf club head 3500 may be similar in many respects to any golf club head described herein. For example, the golf club head 3500 may include any number of ports and / or parts by weight similar to any golf club head described herein. In another example, the golf club head 3500 may include any material described herein. The golf club head 3500 may include a first filling material 3611 and a second filling material 3613 that may be similar to the first filling material 2711 and the second filling material 2713 of the golf club head 2600, respectively. In the example of FIGS. 35 to 37, the portion of the inner cavity 3577 above the horizontal central plane 3583 of the body portion 3510 may be partially or completely filled with the first filling material 3611 and may be partially or completely filled in the horizontal central plane 3583. The portion of the lower internal cavity 3577 may be partially or completely filled with a second filling material 3613. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 38-40, the golf club head 3800 has a toe portion 3840, a heel portion 3850, a front portion 3860 having a face portion 3862 (for example, a striking surface) having a front surface 3864 and a back surface 3866, and a back portion. It may include a body portion 3810 having a 3870, a top portion 3880, and a sole portion 3890. In one example, the body portion 3810 may be a hollow body comprising an internal cavity 3877 extending between the front portion 3860 and the back portion 3870 and extending between the top portion 3880 and the sole portion 3890. The golf club head 3800 may be similar in many respects to any golf club head described herein. For example, the golf club head 3800 may include any number of ports and / or parts by weight similar to any golf club head described herein. In another example, the golf club head 3800 may include any material described herein. The golf club head 3800 may include a first filling material 3911 and a second filling material 3913 that may be similar to the first filling material 2711 and the second filling material 2713 of the golf club head 2600, respectively. In the example of FIGS. 38-40, the portion of the inner cavity 3877 below the horizontal central plane 3883 of the body portion 3810 may be partially or completely filled with the first filling material 3911 and may be partially or completely filled in the horizontal central plane. The portion of the inner cavity 3877 above the 3883 may be partially or completely filled with a second filling material 3913. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 41 to 43, the golf club head 4100 has a toe portion 4140, a heel portion 4150, a front portion 4160 having a face portion 4162 (for example, a striking surface) having a front surface 4164 and a back surface 4166, and a back portion. It may include a body portion 4110 having a 4170, a top portion 4180, and a sole portion 4190. In one example, the body portion 4110 may be a hollow body comprising an internal cavity 4177 extending between the front portion 4160 and the back portion 4170 and extending between the top portion 4180 and the sole portion 4190. The golf club head 4100 may be similar in many respects to any golf club head described herein. For example, the golf club head 4100 may include any number of ports and / or parts by weight similar to any golf club head described herein. In another example, the golf club head 4100 may include any material described herein. The devices, methods, and products described herein are not limited to this.

The golf club head 4100 may include a first filling material 4211 and a second filling material 4213 that may be similar to the first filling material 2711 and the second filling material 2713 of the golf club head 2600, respectively. In the example of FIGS. 41 to 43, the portion of the internal cavity 4177 separated from any boundary of the internal cavity 4177 defined by the body portion 4110 and the face portion 4162 may be filled with the first filling material 4211. The rest of the internal cavity 4177 may be partially or completely filled with a second filling material 4213. In other words, the first filling material 4211 can be completely enclosed by the second filling material 4213 and suspended within the internal cavity 4177. The devices, methods, and products described herein are not limited to this.

In one example, as described herein, one or more polymeric materials may be injection molded into the body portion of any golf club head described herein. One or more polymer materials may be made or formed by any useful forming means for forming the polymer. These include molding such as compression molding, injection molding, blow molding, transfer molding; film blowing or casting; extrusion and thermoforming; lamination, drawing. Molding, extrusion, draw reduction, rotational molding, spin bonding, melt spinning, melt blowing; or a combination thereof. included. In another example, any one or more polymeric materials described herein may be pellets or solid pieces that are placed in internal cavities and can be expanded and / or cured by heat. good. The devices, methods, and products described herein are not limited to this.

The internal cavities of any golf club head described herein are thermosetting one or more, such as any one or more epoxy materials described herein or other suitable epoxy materials. It can be partially (ie, greater than 0% and less than 100%) or completely filled with a sex material (eg, one or more epoxy materials). In one example, a thermosetting material (eg, filling at least 50% of the internal cavity) of any golf club head described herein is partially, substantially (eg, filled) or completely filled (eg, filling). , Epoxy resin) can be 6.0 grams or more and 32.0 grams or less. Thermocurable materials that partially, substantially, or completely fill the internal cavity include vibration and acoustic damping, structural support for a relatively thin face, ball travel distance, ball velocity, ball launch angle, and ball. It can affect spin rate, ball peak height, ball landing angle, and / or ball variation. The devices, methods, and products described herein are not limited to this. The devices, methods, and products described herein are not limited to this.

As shown in FIG. 44, for example, the internal cavity 4412 of the body portion 4410 of the golf club head 4400, which may be similar to any golf club head described herein, is a horizontal central plane 4470 of the golf club head 4400. The lower side may be filled with a thermosetting material 4414 (eg, epoxy material). In another example, the golf club head 4400 or any golf club head internal cavity 4412 described herein may be filled with a thermosetting material (eg, an epoxy material) above the horizontal center plane 4470. Good (not shown). In yet another example, the golf club head 4400 or any golf club head internal cavity 4412 described herein is filled with a thermosetting material (eg, epoxy material) above and below the horizontal central plane 4470. However, there may be regions within the internal cavity 4412 that do not contain any thermosetting or other material (not shown). The devices, methods, and products described herein are not limited to this.

ここで、０．５≦α≦５．０であり、Ｗ_thは熱硬化性材料の幅（インチ）であり、Ｔ_f はフェース部の厚さ（インチ）である。 As shown in FIG. 45, for example, a golf club head 4500 that may be similar to any golf club head described herein has a body portion 4510 having an internal cavity 4512 having a width 4516 of a thermosetting material 4514. May include. The width 4516 can be associated with the face thickness 4519 of the face 4518 by the following equation.

Here, 0.5 ≦ α ≦ 5.0, W _th is the width (inch) of the thermosetting material, and T _f is the thickness (inch) of the face portion.

In one example, the width 4516 of the thermosetting material 4514 can be more than half the face thickness 4519. In another example, the width 4516 of the thermosetting material 4514 can be face thickness 4519 or greater (eg, W _th ≧ T _f ). In yet another example, the width 4516 of the thermosetting material 4514 can be more than twice the face thickness 4519 (eg, W _th ≧ 2T _f ). In another example, the width 4516 of the thermosetting material 4514 can be more than three times the face thickness 4519 (eg, W _th ≧ 3T _f ). In yet another example, the width 4516 of the thermosetting material 4514 may be greater than or equal to 5 times the face thickness 4519 (eg, W _th ≧ 5T _f ). In yet another example, the width 4516 of the thermosetting material 4514 can be face portion thickness 4519 or more and three times or less (eg, T _f ≤ W _th ≤ 3 T _f ). The devices, methods, and products described herein are not limited to this.

ここで、ｍ_T は熱硬化性材料の質量（グラム）であり、ｍ_H はゴルフクラブヘッドの質量（グラム）である。 In one example, for any golf club head described herein, the mass of the thermosetting material that partially, substantially, or completely fills the internal cavity is associated with the mass of the golf club head by the following equation: Can be.

Here, m _T is the mass (grams) of the thermosetting material, and m _H is the mass (grams) of the golf club head.

According to the above formula, the ratio of the mass of the thermosetting material to the mass of the golf club head can be 0.03 or more and 0.2 or less. The devices, methods, and products described herein are not limited to this.

A thermocurable material that partially, substantially, or completely fills the internal cavity is specified to provide vibration and noise damping and / or structurally support the relatively thin face of the golf club head. Can have a Shore D hardness of. In one example, a thermosetting material that partially, substantially, or completely fills the internal cavity can have a Shore D hardness of at least 45. In another example, the thermosetting material that partially, substantially, or completely fills the internal cavity can have a Shore D hardness of 45 to 80. In another example, the thermosetting material that partially, substantially, or completely fills the internal cavity can have a Shore D hardness of 50 or more and 70 or less. In yet another example, the thermosetting material that partially, substantially, or completely fills the internal cavity can have a Shore D hardness of 55 or more and 65 or less. In yet another example, the thermosetting material that partially, substantially, or completely fills the internal cavity can have a Shore D hardness of 55 to 75. The devices, methods, and products described herein are not limited to this.

A thermosetting material that partially, substantially, or completely fills the internal cavity is specified to provide vibration and noise damping and / or structurally support the relatively thin face of the golf club head. Can have a density of. In one example, a thermosetting material that partially, substantially, or completely fills an internal cavity can have a density of ^{1.0 g / cubic centimeter (g / cm 3} ) or more and 2.0 g / cm ^{3 or less.} In another example, the thermosetting material that partially, substantially, or completely fills the internal cavity can have a density of ^{1.1 g / cm 3} or more and 1.5 g / cm ^{3 or less.} In yet another example, the thermosetting material that partially, substantially, or completely fills the internal cavity can have a density of ^{1.0 g / cm 3} or more and 1.4 g / cm ^{3 or less.} In yet another example, the thermosetting material that partially, substantially, or completely fills the internal cavity can have a density of ^{1.1 g / cm 3} or more and 1.2 g / cm ^{3 or less.} The devices, methods, and products described herein are not limited to this.

A polymeric material (eg, a thermosetting material 4514 as shown in FIG. 45) may be placed adjacent to the back surface 4521 of the face portion 4518. For example, the thermosetting material 4514 can be directly attached and / or bonded to the back surface 4521 of the face portion 4518. Alternatively, the thermosetting material 4514 may be placed away from the face portion 4518. In one example, the thermosetting material 4514 is attached to and / or coupled to the back wall portion 4575 of the back portion 4574. As a result, the thermosetting material 4514 may not come into contact with the back surface 4521 of the face portion 4518. Examples herein describe a polymeric material, such as a thermosetting material 4514, attached to and / or bonded to various surfaces and / or walls of a golf club head 4500, or suspended in an internal cavity 4512. However, the thermosetting material 4514 may be attached to and / or bonded to more or less surface and / or wall portions. The devices, methods, and products described herein are not limited to this.

As shown in FIG. 46, for example, the golf club head 4600, which may be similar to any golf club head described herein, has an internal cavity width that can vary between the top portion 4680 and the sole portion 4690. It may have a body portion 4610 including an internal cavity 4612. In particular, the internal cavity 4612 has a first width 4620 (W ₁ ) above the horizontal center plane 4670 of _{the golf club head 4600, a second width 4630 (W 2} ) below the horizontal center plane 4670, and a first. _{A third width 4640 (W 3} ) between the width 4620 and the second width 4630 may be included. The third width 4640 may be at or below the horizontal central plane 4670. In one example, the third width 4640 may be above one or more ports (eg, generally represented as 4622). Thus, the third width 4640 is located above one or more parts by weight (not shown in FIG. 46, but, for example, by weight placed at port 4622) and / or one or more. It may be closer to the horizontal central plane 4670 than the mass part of. In another example, the third width 4640 may be above one or more ports of the golf club head 4600 and below the horizontal central plane 4670. The third width 4640 may be larger than the first width 4620 (eg, W ₃ > W ₁ ) and larger than the second width 4630 (eg, W ₃ > W ₂ ). In one example, the first width 4620 can be greater than or equal to the second width 4630 (eg, W ₂ ≧ W ₁ ). In another example, the second width 4630 can be greater than or equal to the first width 4620 (eg, W ₁ ≧ W ₂ ). In yet another example, the third width 4640 can be less than or equal to three times the second width 4630. In yet another example, the third width 4640 can be less than or equal to twice the second width 4630. In yet another example, the third width 4640 can be less than or equal to 1.5 times the second width 4630. In yet another example, the third width 4640 can be 1.38 times or less the second width 4630. The devices, methods, and products described herein are not limited to this.

The third width 4640 may be in a particular vertical position on the body portion 4610. The face portion 4618 of the golf club head 4600 may include a plurality of grooves. The face portion 4618 of the golf club head 4600 may include the same number of grooves as the golf club head 100 of FIG. Thus, the face portion 4618 may include a plurality of grooves (eg, 11 grooves generally represented as grooves 4651, 4652, 4653, 4654, 4655, 4656, 4657, 4569, 4660, 4661 in FIG. 46). The third width 4640 may be located between any of the plurality of grooves. In one example, the third width 4640 may be located from the sole portion 4690 between the first groove 4651 and the eleventh groove 4661. In another example, the third width 4640 may be located between the sole portion 4690 to the fourth groove 4654 and the eighth groove 4658. In yet another example, the third width 4640 may be located between the sole portion 4690 to the fifth groove 4655 and the seventh groove 4657. FIG. 46 shows a first width 4620, a second width of an internal cavity 4612 associated with a loft plane associated with a face portion 4618 (eg, perpendicular to the loft plane) (eg, generally represented as 1040 in FIG. 3). 4630, a third width 4640, respectively, are shown, but one or more widths can be measured relative to the ground plane (eg, approximately 1010 in FIG. 1). For example, the width of one or more of the internal cavities 4612 can be substantially parallel to the ground plane (eg, approximately 1010 in FIG. 1). The devices, methods, and products described herein are not limited to this.

In one example, the process of filling the internal cavity of a golf club head may not include applying a joint to the back surface of the face. For example, as shown in FIG. 47, the process 4700 of filling the internal cavity of a golf club head is to partially, substantially or completely fill the internal cavity with an epoxy material (block 4710), followed by the epoxy material. It may include curing (block 4720). The epoxy material can be injected into the internal cavity through one or more ports in the body of the golf club head as described herein. In one example, the process of curing an epoxy material may include the use of heat, radiation, and / or pressure for a specific period of time. In another example, the process of curing an epoxy material may only include curing the epoxy material for a specific period of time at ambient temperature or room temperature. In another example, the process of filling the internal cavity of a golf club head is to apply a first epoxy material to the back of the face, a first epoxy material as described herein. Curing to a cured state, filling the internal cavity with a second epoxy material that may be similar to or different from the first epoxy material, curing the first epoxy material to a second cured state, as used herein. It may include curing the second epoxy material as described. In another example, two or more epoxy materials can be used to substantially or completely fill the internal cavities in the single or multiple curing processes used for each epoxy material. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 48-53, the golf club head 4800 has a toe 4840 with a toe edge 4842 and a grip (not shown) at one end to form a golf club and the other end. A heel portion 4850 with a heel portion edge 4852 that may include a hosel portion 4855 configured to accommodate a shaft (not shown) having a golf club head 4800, a front portion 4860 with an outer peripheral edge portion 4861, and a back wall portion. It may include a back portion 4870 with a 4872, a top portion 4880 with a top portion edge 4882, and a body portion 4811 having a sole portion 4890 with a sole portion edge 4892. The toe portion 4840, heel portion 4850, front portion 4860, back portion 4870, top portion 4880, and / or sole portion 4890 may partially overlap each other. The toe edge 4842, heel edge 4852, top edge 4882, and sole edge 4892 may define the outer circumference of the body 4810. The devices, methods, and products described herein are not limited to this.

The golf club head 4800 is an iron type golf club head (for example, 1 iron, 2 iron, 3 iron, 4 iron, 5 iron, 6 iron, 7 iron, 8 iron, 9 iron, etc. ), Or a wedge-based golf club head (eg, pitching wedge, lob wedge, sand wedge, n degree wedge such as 44 degrees (°), 48 °, 52 °, 56 °, 60 °, etc.). 48-53 show a particular type of golf club head, but the devices, methods, and products described herein are other types of golf club heads (eg, driver golf club heads, fairways). It may be applicable to wood type golf club heads, hybrid type golf club heads, putter type golf club heads, etc.). The volume of the golf club head 4800, the components of the golf club head 4800, and / or any component thereof, are any golf club head described in any of the applications described herein and / or incorporated by reference. Can be similar to. The devices, methods, and products described herein are not limited to this.

The golf club head 4800 may include a face portion 4862 (ie, striking surface) that can be integrally formed with the body portion 4810 (eg, one single component). In one example, as shown in FIGS. 48-53, the face portion 4862 may be a separate component coupled to the front portion 4860 (eg, by adhesion, mechanically, by welding or soldering). The face portion 4862 may include a front surface 4864 and a back surface 4866. In one example (not shown), the front 4860 may include one or more recessed shoulders configured to accommodate the face 4862 for attaching the face 4862 to the body 4810. In another example, as shown in FIGS. 48-53, the back surface 4866 may include an outer peripheral portion 4876 that may be attached to the outer peripheral edge portion 4861 of the body portion 4810. The outer peripheral edge 4867 of the face 4862 may be attached to the outer peripheral edge 4861 of the body 4810 by one or more fasteners, one or more adhesives or binders, and / or welding or soldering. In one example, as shown in FIGS. 48-53, the outer peripheral edge 4867 of the face 4862 may be welded to the outer peripheral edge 4861 of the body 4810 at one or more positions. Alternatively, the entire outer peripheral portion 4867 of the face portion 4862 may be welded (ie, continuous welded) to the entire outer peripheral edge portion 4861 of the body portion 4810. The face portion 4862 may include a ball striking area 4868 for hitting a golf ball. In one example, the center of the ball striking region 4868 may be the geometric center 4863 of the face portion 4862. In another example, the geometric center 4863 of the face portion 4862 may be offset from the center of the ball striking region 4868. In one example, the geometric center 4843 and one or more areas in the vicinity of the geometric center and / or surrounding the geometric center within the ball striking area 4868 are on the face portion 4862 for hitting a golf ball. Can provide a generally optimal position for the ball (ie, optimal ball flight distance, ball speed, ball spin characteristics, etc.). In yet another example, any position within or near the geometric center 4863 and within the ball striking area 4868 may provide a generally optimal position on the face portion 4862 for hitting a golf ball. However, the ball may be struck at any position on the face portion 4862 within or outside the ball striking area 4868 of any golf club head described herein and is the preferred center of the individual. It provides specific ball flight characteristics that are different from hitting with. The configuration of the face portion 4862 and the attachment of the face portion 4862 to the body portion 4810 (eg, welding) are many with any golf club head described in any of the applications described herein and / or incorporated by reference. Can be similar in terms. The devices, methods, and products described herein are not limited to this.

The golf club head 4800 may be associated with a ground plane 5110, a horizontal center plane 5120, and a top plane 5130. In particular, when the ground plane 5110 is parallel to or substantially parallel to the ground and the golf club head 4800 is in the address position (eg, when the golf club head 4800 is aligned to hit a golf ball). It may be a plane in contact with the lowermost end of the sole edge 4892. The top plane 5130 may be a plane that touches the top edge of the top edge 4882 when the golf club head 4800 is in the address position. The ground plane 5110 and the top plane 5130 can be parallel or substantially parallel to each other, respectively. The horizontal center plane 5120 can be in the vertical middle between each of the ground plane 5110 and the top plane 5130. Further, the golf club head 4800 may be associated with a loft plane 5140 defining a loft angle 5145 (α) of the golf club head 4800. The loft plane 5140 can be a tangent plane to the face portion 4862. The loft angle 5145 may be defined by an angle between the loft plane 5140 and the vertical plane 5150 perpendicular to the ground plane 5110.

The body portion 4810 can be a hollow body including an internal cavity 4910 having an inner wall 4912. The internal cavity 4910 may extend between the front portion 4860, the back portion 4870, the top portion 4880, and the sole portion 4890. In the example of FIGS. 48-53, the internal cavity 4910 of the body portion 4810 may be sealed by the face portion 4862 and partially defined by the face portion 4862. Configuration of the internal cavity 4910 (eg, height, width, volume, shape, etc.), configuration of the internal cavity 4910 with respect to the body portion 4810 (eg, volume of the internal cavity 4910 relative to the volume of the body portion 4810), width of the internal cavity 4910 and Changes in height and access to the internal cavity 4910 from one or more ports of the body portion 4810 are any golf described herein and / or described in any of the applications incorporated by reference. It can be similar to a club head. The devices, methods, and products described herein are not limited to this.

The back wall portion 4872 of the back portion 4870 may include an upper back wall portion 5212 and a lower back wall portion 5214. The back wall portion 4872 may include a ledge portion 5216 that may extend continuously or discontinuously between the toe portion edge 4842 and the heel portion edge 4852. The lower back wall portion 5214 may be located behind the body portion 4810 with respect to the upper back wall portion 5212 by a ledge portion 5216 defining a transition portion between the upper back wall portion 5212 and the lower back wall portion 5214. Therefore, the ledge portion 5216 may extend laterally with respect to the upper back wall portion 5212 and the lower back wall portion 5214. In one example, as shown in FIGS. 48-53, the ledge portion 5216 may include a first ledge portion 5226 and a second ledge portion 5236. The first ledge portion 5226 may extend over the back wall portion from the toe portion edge 4842 to the back wall central portion 5240 of the back wall portion 4872. The second ledge portion 5236 may extend from the central portion 5240 of the back wall portion 4872 to the heel portion edge 4852. As shown in FIGS. 35 to 40, the ledge portion 5216 can provide a relatively large mass to the lower side of the horizontal central plane 5120, and the mass of the lower body portion 4810 of the horizontal central plane 5120 is the body portion. It can be moved further back than the 4810. The width of the ledge portion 5216 may be larger, equal or smaller than the width of the internal cavity at a particular position of the body portion 4810. The configuration of the ledge 5216 (eg, width, section, taper, shape, etc.) and the characteristics of the ledge 5216 with respect to the width of the internal cavity are described in any of the applications described herein and / or incorporated by reference. It can be similar to any golf club head. The devices, methods, and products described herein are not limited to this.

The body portion 4810 may include one or more ports that may be external and / or internal ports (eg, located inside the body portion 4810). The inner wall 4912 of the inner cavity 4910 may include one or more ports (not shown). In one example, as shown in FIGS. 48-53, the back portion 4870 may include one or more ports along or near the perimeter of the body portion 4810. For example, the body portion 4810 has a first set of ports 4920 (eg, represented as ports 4921, 4922), a second set of ports 4930 (eg, represented as ports 4931, 4932), and a third set of ports. It may include 4940 (eg, represented as ports 4941, 4942, 4943) and a fourth set of ports 4950 (eg, represented as ports 4951, 4952). The location of each port in the first set of ports 4920, the second set of ports 4930, the third set of ports 4940, and / or the fourth set of ports 4950, the spacing from other ports, and any other configuration. , Can be similar in many respects to any port described in any of the applications described herein or incorporated by reference. Further, any one or more ports of the first set of ports 4920, the second set of ports 4930, the third set of ports 4940, and / or the fourth set of ports 4950 are connected to the internal cavity 4910. Also well, one or more filling materials may be injected into the internal cavity 4910 through it. In the example of FIGS. 48-53, ports 4921, 4931, 4951 may be connected to the internal cavity 4910 via openings 4961, 4971, 4981, respectively. The devices, methods, and products described herein are not limited to this.

Each port of the first set of ports 4920 may be separated by a distance less than the port diameter of any of the ports of the first set of ports 4920. Each port of the second set of ports 4930 may be separated by a distance smaller than the port diameter of any of the ports of the second set of ports 4930. Each port of the third set of ports 4940 may be separated by a distance less than the port diameter of any of the ports of the third set of ports 4940. Each port of the 4th set of ports 4950 may be separated by a distance smaller than the port diameter of any of the 3rd set of ports 4950. In one example, the first set of ports 4920 and the second set of ports 4930 may be separated by a distance greater than the port diameter of either the first set of ports 4920 and the second set of ports 4930. In another example, the second set of ports 4930 and the third set of ports 4940 may be separated by a distance greater than the port diameter of either the second set of ports 4930 or the third set of ports 4940. In yet another example, the third set of ports 4940 and the fourth set of ports 4945 may be separated by a distance greater than the port diameter of either the third set of ports 4940 and the fourth set of ports 4950. .. The devices, methods, and products described herein are not limited to this.

Although the ports are shown as separate individual parts in the drawings, each set or adjacent port of the first set of ports 4920, the second set of ports 4930, the third set of ports 4940, and the fourth set of ports 4950. Each set of combinations can be a single port. In one example, all the ports of the first set of ports 4920 may be combined into a single port (eg, the first port). In another example, all the ports of the second set of ports 4930 may be combined into a single port (eg, the second port). In another example, all the ports of the third set of ports 4940 may be combined into a single port (eg, a third port). In yet another example, all the ports of the 4th set of ports 4950 may be combined into a single port (eg, 4th port). Although the drawings show a particular number of ports, the devices, methods, and products described herein may include a larger number or a smaller number of ports.

The body portion 4810 may include one or more mass parts (eg, weight portions) which may be an integral mass part or a separate mass portion coupled to the body portion 4810. In the example shown in FIGS. 48 to 53, the body portion 4810 has a mass portion 5020 of the first set (for example, indicated as the mass portions 5021 and 5022) and a mass portion 5030 of the second set (for example, the mass portion 5030). (Represented as 5031, 5032), a third set of mass parts 5040 (eg, represented as mass parts 5041, 5042, 5043) and a fourth set of mass parts 5050 (eg, represented as mass parts 5051, 5052). ) And can be included. The above example has described a particular number or portion of parts by weight, but as described in any of the applications incorporated by reference, a set of parts by weight may include a single part by weight or multiple parts by weight. obtain. For example, any one of a set of adjacent mass parts in the mass part 5020 of the first set, the mass part 5030 of the second set, the mass part 5040 of the third set, and / or the mass part 5050 of the fourth set. The combination can be a single mass part. Further, the mass portion 5020 of the first set, the mass portion 5030 of the second set, the mass portion 5040 of the third set, and / or the mass portion 5050 of the fourth set are part of the physical structure of the body portion 4810. obtain. The mass portion 5020 of the first set, the mass portion 5030 of the second set, the mass portion 5040 of the third set, and / or the mass portion 5050 of the fourth set are any of the applications described or incorporated herein by reference. Can be similar to any mass part described in. The devices, methods, and products described herein are not limited to this.

The internal cavity 4910 may be partially or completely filled with one or more filling materials (ie, cavity filling materials) that may include one or more similar or different types of materials. In one example, as shown in FIGS. 48-53, the internal cavity 4910 may be filled with a first filling material 5112 and a second filling material 5114. The first filling material 5112 and the second filling material 5114 may be similar to any filling material described in any of the applications described herein or incorporated by reference. The devices, methods, and products described herein are not limited to this.

The first filling material 5112 may be coupled to all or part of the inner wall 4912 of the inner cavity 4910. In one example, the first filling material 5112 may have inherent adhesive or binding properties for attachment to all or part of the inner wall 4912. In another example, the first filling material 5112 may be attached to all or part of the inner wall 4912 with one or more binders or adhesives that may be mixed with the first filling material 5112. In another example, the first filling material 5112 may be attached to all or part of the inner wall 3612 with one or more binders or adhesives that can be separated from the first filling material 5112. In yet another example, the first filling material 5112 may be the second filling material 5114 and may be attached to all or part of the inner wall 3612. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIGS. 48-53, the first filling material 5112 may be coupled to at least a portion of the inner wall 4912 that may generally correspond to the ball striking region 4868 of the face portion 4862 (ie, the first. The filling material 5112 of 1 may be located approximately behind the ball striking area 4868), and may be coupled to the area near and / or around the ball striking area 4868 of the face portion 4862. In another example, the first filling material 5112 can be attached to at least 10% of the inner wall 4912. In another example, the first filling material 5112 can be attached to at least 25% of the inner wall 4912. In yet another example, the first filling material 5112 may be bonded between 25% and 50% of the inner wall 4912. In another example, the first filling material 5112 may be bonded between 35% and 75% of the inner wall 4912. In yet another example, the first filling material 5112 may be bonded between 50% and 90% of the inner wall 4912. In yet another example, the first filling material 5112 can be bound to more than 75% of the inner wall 4912. In yet another example, the first filling material 5112 may be coupled to the entire inner wall 4912. The devices, methods, and products described herein are not limited to this.

The amount of the first filling material 5112 that can be coupled to the inner wall 4912 is the loft angle of the golf club head, the overall thickness of the face portion 4862, the thickness profile of the face portion 4862, the shape of the internal cavity 4910, any port or It may depend on the position and composition of parts by mass, the material properties of the first filling material 5112, and / or the material properties of the second filling material 5114. In one example, a golf club head with a relatively large loft angle may limit the portion of the inner wall 4912 to which the first filling material 5112 can be bonded. In another example, a golf club head with a relatively small loft angle may have a first filling material 5112 coupled to the entire or substantial portion of the inner wall 4912. In yet another example, the acoustic properties of a golf club head can be a factor in determining the amount of filling material 5112 that can be coupled to the inner wall 4912 to provide a pleasing sound and feel to the individual. The amount (ie, volume and / or mass) of the first filling material 5112 coupled to the inner wall 4912 may be determined for each golf club head (ie, having a particular loft angle) (i). ) To provide vibration or acoustic damping (eg, a consistent and / or pleasing sound and feel when hitting a golf ball with a golf club head 4800, as perceived by an individual using the golf club head 4800). (Iii) can provide structural support to the face portion 4862 and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, And / or ball variation can be optimized. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 48-53, the central portion 4911 of the internal cavity 4910 may be part of the internal cavity 4910 that may generally correspond to the ball striking region 4868, with the first filling material 5112 and the second filling. Material 5114 may be included. The width 4913 of the internal cavity 4910 at the central portion 4911 of the internal cavity 4910 may be substantially larger than the width 4913 of the internal cavity 4910 at other parts of the internal cavity 4910. Thus, the region of the internal cavity 4910 behind the ball striking region 4868, i.e., the central portion 4911, may contain a relatively large amount of the first filling material 5112 and / or the second filling material 5114. Further, the configuration of the central portion 4911 (ie, size, shape, contour, volume, etc.) may depend on the loft angle 5145. For example, a golf club head 4800 with a relatively small loft angle 5145 has a central portion 4911 (ie, larger volume, depth, height, etc.) larger than a golf club head 4800 with a relatively large loft angle 5145. Can be. Therefore, as described herein, the amount of the first filling material 5112 and / or the second filling material 5114 in the internal cavity 4910, more specifically the central portion 4911, is at the loft angle 5145. It may be determined on the basis of (i) vibration damping or acoustic damping (eg, consistent and / or consistent when hitting a golf ball with a golf club head 4800, as perceived by an individual using the golf club head 4800. It can provide a pleasing sound and feel), (ii) can provide structural support to the face portion 4862, and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate. , Ball peak height, ball landing angle, and / or ball variation can be optimized. The devices, methods, and products described herein are not limited to this.

The contour of the inner cavity 4910 or the shape of the inner wall 4912 may be defined by a plurality of recesses recessed with respect to the outer peripheral edge portion 4861. In the example of FIGS. 48-53, the internal cavity 4910 has a depth of approximately smaller than the first recess 4914 and the first recess 4914 (ie, the internal cavity width 4913 in the cross-sectional views of FIGS. 51-53). A second recess 4915 that may have a third recess 4916 that may have a depth that is generally smaller than the second recess 4915, and a fourth recess that may have a depth that is generally smaller than the third recess 4916. It may include a recess 4917 and a fifth recess 4918 that may have a depth generally smaller than the fourth recess 4917. The internal cavity 4910 may have more or less recesses. The devices, methods, and products described herein are not limited to this.

The first recess 4914 may generally include the maximum width 4913 of the internal cavity 4910, may be provided in the central portion 4911, and / or may have a portion adjacent to or surrounding the central portion 4911. The second recess 4915 may be adjacent to all or part of the first recess 4914 or may include a portion that may be in the central portion 4911. In the example of FIGS. 48 to 53, the second recess 4915 is located below the first recess 4914. Part of the structure of the body portion 4810, including the third set of ports 4940, may be between the second recess 4915 and the lower back wall portion 5214. Therefore, the depth of the second recess 4915 is such that the body portion 4810 can accommodate the third set of ports 4940 between the second recess 4915 and the lower back wall portion 5214. It may be smaller than that. The devices, methods, and products described herein are not limited to this.

The third recess 4916 may be adjacent to and / or surround the whole or part of the second recess 4915 and / or the first recess 4914, and may include a portion that may be in the central portion 4911. In the example of FIGS. 48-53, the third recess 4916 surrounds the first recess 4914 above the horizontal central plane 5120. The fourth recess 4917 may be in or near the outer peripheral edge portion 4861 and / or in whole or in part of the third recess 4916, the second recess 4915, and / or the first recess 4914. It may be adjacent and / or surrounded. In the example of FIGS. 48 to 53, the fourth recess 4917 is adjacent to the portion of the first recess 4914 and the second recess 4915 below the horizontal central plane 5120. Part of the structure of the body portion 4810, including the second set of ports 4930 and the fourth set of ports 4950, may be between the fourth recess 4917 and the lower backwall portion 5214. Therefore, the depth of the fourth recess 4917 is such that the body portion 4810 can accommodate the second set of ports 4930 and the fourth set of ports 4950 between the fourth recess 4917 and the lower back wall portion 5214. It may be smaller than the depth of the first recess 4914 and the second recess 4915. The devices, methods, and products described herein are not limited to this.

The fifth recess 4918 may be adjacent to the outer peripheral edge portion 4861. Therefore, at any position of the internal cavity 4910 including the fifth recess 4918, the fifth recess 4918 has an outer peripheral edge portion 4861, a first recess 4914, a second recess 4915, a third recess 4916, and a second. It can be between any of the recesses 4917 of 4. Part of the structure of the body portion 4810, including the first set of ports 4920, may be between the fifth recess 4918 and the upper backwall portion 5212. Thus, the depth of the fifth recess 4918 is adjacent to the third recess 4916 so that the body portion 4810 can accommodate the first set of ports 4920 between the fifth recess 4918 and the upper backwall portion 5212. It may be smaller than the depth of the portion. The devices, methods, and products described herein are not limited to this.

The internal cavity 4910 may include one or more internal channels that may extend between the toe portion 4840 and the heel portion 4850. In one example, as shown in FIGS. 48-53, the internal cavity 4910 has a first internal channel 4925 that can extend from the position of the toe portion 4840 to the central portion 4911 and from the position of the heel portion 4850 to the central portion 4911. It may include a second internal channel 4926 that may be extended. The first internal channel 4925 and the second internal channel 4926 may connect to the first recess 4914 and have the same depth as the first recess 4914 at or near the central portion 4911. The depth of the first internal channel 4925 and the second internal channel 4926 may decrease from the first recess 4914 towards each of the toe 4840 and the heel 4850. As shown in the examples of FIGS. 48 to 53, the portion of the first internal channel 4925 and / or the second internal channel 4926 connected to and / or close to the first recess 4914 is the second. You may maintain a constant depth that may be similar to the depth of the recess 4914 in 1. Thus, the first internal channel 4925 and the second internal channel 4926 have a larger volume of the first filling material 5112 and / or the second filling material 5114 between the central portion 4911 and the toe portion 4840 and the heel portion. I will provide a. Alternatively, all or part of the first internal channel 4925 and / or the second internal channel 4926 may have a decreasing depth towards the toe 4840 and the heel 4850, respectively. With respect to the off-center golf ball impact at the face portion 4862, the increased volume of the first filling material 5112 and / or the second filling material 5114 in the internal channels 4925, 4926 may be (i) vibration damping or acoustic. It can provide damping, (ii) can provide structural support to the face portion 4862, and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height. The ball landing angle and / or ball variation can be optimized. Further, the mass removed from the body portion 4810 to provide the internal channels 4925, 4926 is placed in other positions of the body portion 4810 so that the moment of inertia of the golf club head 4800 is increased and / or the position of the center of gravity is optimized. Can be shifted. The devices, methods, and products described herein are not limited to this.

The internal cavity 4910 may include additional recesses that may define a transition region between the first recess 4914 to the fifth recess 4918 and the internal channels 4925, 4926. Each of the recesses may be adjacent to and migrate to any one or several of the other recesses. For example, as shown in FIGS. 50-51, the first recess 4914 may include an inclined surface 4927 that can migrate and connect to a third recess 4916 above the first recess 4914. Further, any of the recesses may migrate directly to the outer peripheral edge portion 4861. The recesses and transition areas can jointly define the overall shape and / or contour of the internal cavity 4910. The transition area may include a wall that is perpendicular, transverse, or contains to an adjacent recess. Further, the transition region may include rounded corners when joining adjacent recesses to reduce stress concentration at the joined corners. The recess may define a continuous, and / or gradual decrease in the width of the internal cavity 4910 from the central portion 4911 to the outer peripheral edge portion 4861 along the contour. The devices, methods, and products described herein are not limited to this.

The shape, size, width, height, and other characteristics of the recesses 4914-4918 and the internal channels 4925, 4926 may be associated with a loft angle 5145 of the golf club head 4800. In one example, as shown in FIGS. 48-53, the first recess 4914 and the second recess 4915 may be filled with the first filling material 5112. The first filling material 5112 can be injection molded into the first recess 4914 and the second recess 4915. The filling material 5112 is a binder and / or another binder that is mixed with the first filling material 5112 by having a unique adhesive or binding property, the first recess 4914 and the second recess. It can be coupled to an inner wall 4912 that includes a portion of the inner wall 4912 of the 4915. In another example, the first filling material 5112 is separately molded into the shape of the first recess 4914 and the second recess 4915, with a binder and / or with the second filling material 5114, the first. It can be coupled to the recess 4914 and the second recess 4915. In one example, the rest of the internal cavity 4910, including the third recess 4916, the fourth recess 4917, and the fifth recess 4918, may be filled with the second filling material 5114. Therefore, the second filling material 5114 is coupled to the back surface 4866 of the face portion 4862, coupled to the outer inner wall 4912 portion of the first recess 4914 and the second recess 4915, and exposed to the first filling material 4211. It may be coupled to and / or placed between the face portion 4862 and the first filling material 5112 to a portion of the inner wall 4912 that does not and does not bond. The devices, methods, and products described herein are not limited to this.

Width 5122 of the first filling material 5112 (W _F1) and a second width of the filling material 5114 5124 (W _F2) is changed from the toe portion 4840 to the heel portion 4850 and / or from the top 4880 to the sole portion 4890 And / or according to the shape of the first recess 4914, the second recess 4915, the third recess 4916, the fourth recess 4917, and / or the fifth recess 4918, depending on their location within the internal cavity 4910. It may change. The width 5122 of the first filling material 5112 can vary according to the shape of the first recess 4914 and the second recess 4915. The width 5122 of the first filling material 5112 and / or the width 5124 of the second filling material 5114 is constant or substantially constant at one or more positions of the internal cavity 4910, and the specific other of the internal cavity 4910. Can change in position. In one example, the width 5122 of the first filling material 5112 and / or the width 5124 of the second filling material 5114 is the contour of all or part of the inner wall 4912 of the inner cavity 4910 (ie, the contour of the recess) and / or the first. Similar to or substantially the same as the contour of the boundary between one filling material 5112 and the second filling material 5114, it can vary at one or more positions in the internal cavity 4910. In one example, the second filling material 5114 is (i) consistent with vibration damping or acoustic damping (eg, as perceived by an individual using the golf club head 4800, when hitting a golf ball with the golf club head 4800. And / or can provide a pleasing sound and feel), (ii) can provide structural support to the face portion 4862, and / or (iii) ball travel distance, ball speed, ball launch angle, and / or. Ball spin rate, ball peak height, ball landing angle, and / or ball variation can be optimized. The width 5122 of the first filling material 5112 and the width 5124 of the second filling material 5114 provide a relatively high or optimal coefficient of restitution (COR) for the golf club head 4800 so that the ball striking area 4868 and / Alternatively, it may be determined in another region of the internal cavity 4910. The devices, methods, and products described herein are not limited to this.

In one example, the first filling material 5112 may be similar to any first filling material described herein, such as the first filling material 4211. In another example, the first filling material 5112 is a compound containing a mixture of polybutadiene as a base polymer material with sulfur, peroxide, metal oxide, acetoxysilane, or a vulcanizing agent based on a urethane crosslinker, and the like. Can be a rubber-based material. The added vulcanizing agent can promote cross-linking between the polybutadiene chains and vulcanize or cure the polybutadiene polymer. The amount of vulcanizing agent may be directly related to the elasticity of the resulting vulcanized polymer, which can be measured by the Yerzley method, ASTM D945-59. In one example, the first filling material 5112 can be formed from a sulfur-containing compound between 3 parts by weight and 7.5 parts by weight per 100 parts by weight of polybutadiene. In another example, the first filling material 5112 may be formed from a compound containing a vulcanizing agent such as sulfur between 4 parts by weight and 6.25 parts by weight per 100 parts by weight of polybutadiene. In yet another example, the first filling material 5112 may be formed from a sulfur-containing compound between 4.75 parts by weight and 5.75 parts by weight per 100 parts by weight of polybutadiene. The amounts of polybutadiene and sulfur as described herein have Yerzley elasticity of (1) between 75% and 85%, (2) between 80% and 90%, and (3) greater than 90%. Compounds can be produced. The first filling material 5112 and its mixed composition may resemble any compound described in US Pat. No. 3,241,834 which is incorporated herein by reference. The devices, methods, and products described herein are not limited to this.

Other additives may be combined with a mixture of polybutadiene and a vulcanizing agent to initiate the curing cycle. In particular, activators such as zinc oxide and / or stearic acid can be used to initiate the curing cycle of the mixture of polybutadiene and vulcanizing agent. In one example, the amount of zinc oxide used may be between 2 and 5 parts by weight per 100 parts by weight of polybutadiene and / or the amount of stearic acid used may be between 100 parts by weight of polybutadiene. It may be between 0.5 parts by weight and 4 parts by weight. In another example, the amount of zinc oxide used may be between 2.5 parts by weight and 4.5 parts by weight per 100 parts by weight of polybutadiene, and / or the amount of stearic acid used. , It may be between 1 part by weight and 2 parts by weight per 100 parts by weight of polybutadiene. In yet another example, the amount of zinc oxide used may be between 3.5 and 4.5 parts by weight per 100 parts by weight of polybutadiene and / or the amount of stearic acid used. May be between 1.5 parts by weight and 2.5 parts by weight per 100 parts by weight of polybutadiene. The devices, methods, and products described herein are not limited to this.

In addition, other compounds may be combined with a mixture of polybutadiene and a vulcanizing agent to accelerate the rate of vulcanization. By accelerating the rate of vulcanization, the length of the molding cycle of the first filling material 5112 can be shortened and the heat of the entire mixture during the curing cycle can be homogenized. In one example, N-oxydiethylenebenzothiazole 2sulfenamide (trade name AMAX), dioltotrilguanidine (trade name DOTG), and dimethyldithiocarbonate bismuth (trade name Bismuth). ) Can be used to accelerate the vulcanization process. Activation of these accelerators can occur when the mixture reaches a certain temperature. In the case of Bismate and DOTG, the activation temperature is about 230 ° F, while the activation temperature of AMAX is about 260 ° F. By ensuring that the heat of reaction is homogenized throughout the mixture, downstream velocities can be made more constant and final product consistency can be improved. In one example, the amount of each of AMAX, DOTG, and Bismate can be between 0.25 and 4 parts by weight per 100 parts by weight of polybutadiene. In another example, the amount of each of AMAX, DOTG, and Bismate can be between 1 and 3 parts by weight per 100 parts by weight of polybutadiene. In yet another example, the amount of each of AMAX, DOTG, and Bismate can be between 1.5 parts by weight and 2.75 parts by weight per 100 parts by weight of polybutadiene. The devices, methods, and products described herein are not limited to this.

Fillers may be added to the mixture of polybutadiene and vulcanizing agent. In one example, hydrated silica may be added to the mixture as a filler. The added filler may serve to provide tear resistance and frictional resistance. The filling material may be selected to be included to improve the durability of the polybutadiene without excessively increasing the specific density. In another example, carbon black may be used as the filling material. In yet another example, lithium oxide may be used as the filling material. In one example, the amount of filler used can be between 4 and 16 parts by weight per 100 parts by weight of polybutadiene. In another example, the amount of filler used can be between 5 and 10 parts by weight per 100 parts by weight of polybutadiene. In yet another example, the amount of filler used can be between 7 and 8 parts by weight per 100 parts by weight of polybutadiene.

The amount of filling material can affect the specific gravity of the resulting polymer material and can affect the elasticity of the resulting polymer material. In one example, the amount of filling material used in the mixture of polybutadiene and vulcanizing agent is 1.0 to 1.5 to optimize the elasticity of the resulting polymer material (ie, the first filling material 5112). Can provide a specific weight between. In another example, the amount of filling material used in the mixture of polybutadiene and vulcanizer may provide a specific gravity between 1.1 and 1.4 to optimize the elasticity of the resulting polymer material. .. In yet another example, the amount of filling material used in the mixture of polybutadiene and vulcanizer provides a density between 1.0 and 1.05 to optimize the elasticity of the resulting polymer material. obtain. The devices, methods, and products described herein are not limited to this.

One or more antioxidant materials can be added to the polymer mixture to prevent oxidation and contamination and / or suppress aging of the resulting polymer compound. In one example, 4-methyl-6 tert-butylphenol (trade name Antioxydant2246) may be added to the mixture in an amount between 0.25 and 3 parts by weight per 100 parts by weight of polybutadiene. Examples of other antioxidant materials that may be used include phenyl β-naphthylamines, alkyldiphenylamines, and / or hindered alkylphenols. The devices, methods, and products described herein are not limited to this.

The various elements of the polymer mixture described herein can be sufficiently mixed to provide a uniform distribution of the elements throughout the mixture. In one example, the mixture is then placed in a mold and a pressure between 500 psi (pounds per square inch) and 3000 psi is applied for about 10-30 minutes while raising the temperature of the mixture to about 285-340 ° F. In another example, the mixture is then placed in a mold and a pressure between 750 psi and 2000 psi is applied for about 12-25 minutes while raising the temperature of the mixture to about 300-330 ° F. In yet another example, the mixture is then placed in a mold and a pressure between 900 psi and 1100 psi is applied for about 15-20 minutes while raising the temperature of the mixture to about 315-325 ° F. Various aspects of the treatment of the mixture (eg, the length, pressure, and / or temperature of each of the molding operations) can be adjusted to compensate for any variation in the treatment of the mixture. The devices, methods, and products described herein are not limited to this.

The adhesive for binding the first filling material 5112 to a portion of the inner wall 4912 can be any type of adhesive capable of binding the first filling material 5112 to the material of the face portion 4862. In one example, the first filling material 5112 may be a rubber or a rubber compound as described herein, and the face portion 4862 may be made of a steel-based material such as stainless steel. Therefore, the adhesive for binding the first filling material 5112 to a part of the inner wall 4912 can be the type of adhesive used to bond the steel-based material to the rubber or rubber compound. In another example, the first filling material 5112 may be rubber or a rubber compound, and the body portion 3510 may be made of titanium or a titanium alloy. Therefore, the adhesive for binding the first filling material 5112 to a part of the inner wall 4912 may be the type of adhesive used to bond the titanium-based material to the rubber or rubber compound. In another example, the second filling material 5114 may be used to bond the first filling material 5112 to a portion of the inner wall 4912. Bonding of the first filling material 5112 to any portion of the body portion 4810, face portion 4862, and / or second filling material 5114, and body portion 4810, face portion 4862, and / or first filling material 5112. The binding of the second filling material 5114 to any portion of the above may be similar to any binding properties and procedures described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

In one example (not shown), the internal cavity 4910 can be completely filled with the first filling material 5112. In another example, as shown in FIGS. 48-53, the internal cavity 4910 may be partially filled with the first filling material 5112. Therefore, the rest of the first internal cavity 4910 can be filled with the second filling material 5114. As described herein, the second filling material 5114 has a bond (eg, alone or one) between the first filling material 5112 and a portion of the inner wall 4912 and / or the face portion 4862. Or can be provided or assisted (in combination with multiple adhesives). In other words, the second filling material 5114 may support or maintain the maintenance of the first filling material 5112 coupled to the inner wall 4912 and / or the back surface 4866 of the face portion 4862. The devices, methods, and products described herein are not limited to this.

The second filling material 5114 is a first, such as density, compression, hardness (ie, durometer), tensile strength, shear strength, viscosity, elasticity, etc., so as to optimize the energy transfer from the face portion 4862 to the golf ball. It may have one or more properties different from the filling material 5112. The second filling material can be a polymeric material. The second filling material can be similar to any second filling material described herein, such as the second filling material 4213. The devices, methods, and products described herein are not limited to this.

The second filling material 5114 may have a COR smaller than that of the first filling material 5112. In one example, the COR of the second filling material 5114 may be as small as 1% to 10% of the COR of the first filling material 5112. In another example, the COR of the second filling material 5114 may be as small as between 2% and 5% of the COR of the first filling material 5112. In another example, the COR of the second filling material 5114 may be as small as between 2% and 4% of the COR of the first filling material 5112.

In one example, the first filling material 5112 may have a Shore A hardness between 54 and 76. In another example, the first filling material 5112 may have a Shore A hardness between 60 and 70. In another example, the first filling material 5112 may have a Shore A hardness between 62 and 68. In yet another example, the first filling material 5112 may have a Shore A hardness between 60 and 75. The second filling material 5114 may have a different hardness than the first filling material 5112. In one example, the second filling material 5114 may have a Shore D hardness between 55 and 80. In another example, the second filling material 5114 may have a Shore D hardness between 50 and 85. In another example, the second filling material 5114 may have a Shore D hardness between 60 and 75. In yet another example, the second filling material 5114 may have a Shore D hardness between 62 and 73. The devices, methods, and products described herein are not limited to this.

In one example, the mass of the first filling material 5112 can be between 0.5% and 6.0% of the total mass of the golf club head 4800. In another example, the mass of the first filling material 5112 can be between 1.0% and 5.0% of the total mass of the golf club head 4800. In another example, the mass of the first filling material 5112 can be between 2.0% and 4.0% of the total mass of the golf club head 4800. In another example, the mass of the first filling material 5112 may be greater than 5% of the total mass of the golf club head 4800. In yet another example, the body portion 4810 can be completely filled with the first filling material 5112 as described herein. The devices, methods, and products described herein are not limited to this.

In one example, the mass of the second filling material 5114 can be between 2.0% and 14.0% of the total mass of the golf club head 4800. In another example, the mass of the second filling material 5114 can be between 3.0% and 12.0% of the total mass of the golf club head 4800. In another example, the mass of the second filling material 5114 can be between 5.0% and 10.0% of the total mass of the golf club head 4800. In another example, the mass of the second filling material 5114 may be greater than 10% of the total mass of the golf club head 4800. The devices, methods, and products described herein are not limited to this.

As described herein, the face portion 4862 may be relatively thin so that the bending and bending of the face portion 4862 during the impact of the golf ball is increased. Further, the face portion 4862 is shown in one or more grooves (eg, FIG. 65) on the back surface 4866 of the face portion 4862 so that the face portion 4862 is more flexible, as described herein. Groove 5469 etc.) may be included. The second filling material 5114 is a polymer material having relatively high strength and rigidity, which provides structural support to the face portion 4862, and the face portion 4862 is damaged during the hitting of the golf ball or during repeated hitting of the golf ball. (That is, face fatigue) is prevented. The second filling material 5114 may also have a relatively high COR as described herein such that a rebound effect is provided on the face portion 4862 after hitting the golf ball. As further described herein, the first filling material 5112 is less strong and rigid (ie, softer or less rigid) than the second filling material 5114 and has a higher COR than the second filling material 5114. It can be a high, rubber-based compound. Accordingly, the first filling material 5112 can provide additional structural support for the face portion 4862. Further, the relatively low COR of the first filling material 5112 allows the first filling material 5112 to store energy from the impact of the golf ball and provide the face portion 4862 with a relatively high rebound effect. Can return a significant amount of energy to (ie, does not lose much impact energy). In addition, the different material properties of the first filling material 5112 and the second filling material 5114 as described herein attenuate sound and vibration in different frequency ranges, applying a pleasing sound and feel to the individual. can do. The devices, methods, and products described herein are not limited to this.

As described herein, the first filling material 5112 is elastic (1) between 75% and 85%, (2) between 80% and 90%, and (3) greater than 90%. That is, it may have Yerzley elasticity). The relatively high elasticity of the first filling material 5112 may be directly related to the rebound speed and / or acceleration of the face portion 4862 in response to the deflection of the face portion 4862 after the face portion 4862 hits the golf ball. Thus, a golf club head with a first filling material 5112 with relatively high elasticity provides a relatively longer distance to the golf ball than a golf club head with a first filling material 5112 with relatively low elasticity. can do. The amount of compression of the first filling material 5112 may also be directly related to the rebound speed and / or acceleration of the face portion 4862 after the face portion hits the golf ball. A particular amount of compression of the first filling material 5112 can provide an optimal rebound effect for the face portion 4862. Increasing the compression of the first filling material 5112 beyond a certain amount can adversely affect the rebound of the face portion 4862 by dissipating an excessive amount of compression energy through the first filling material 5112. be. Therefore, if the first filling material 5112 is not over-compressed when the face portion 4862 hits the golf ball, it may have relatively high elasticity, as described herein. In order to control and / or suppress excessive compression of the first filling material 5112, the second filling material 5114 is placed between the face portion 4862 and the first filling material 5112 as described herein. Can be placed in. The second filling material 5114 effectively transfers and uniformly disperses the rebound energy of the golf ball from the face portion 4862 to the first filling material 5112, resulting in excessive compression of the first filling material 5112, especially local. Compression can be suppressed to provide optimal or substantially optimal and generally uniform transfer of repulsive energy from the first filling material 5112 to the face portion 4862. The devices, methods, and products described herein are not limited to this.

The second filling material 5114 can also attenuate the vibration of the face portion 4862 to provide the golf club head 4800 with a particular sound and feel. Therefore, the combination of the first filling material 5112 and the second filling material 5114 can attenuate the vibration of the face portion 4862 within a wide frequency range to provide the golf club head 4800 with a specific sound and feel. .. The second filling material 5114 can also contribute to provide specific rebound and / or acceleration to the face portion 4862 to optimize the transfer of energy from the golf club head 4800 to the golf ball. In other words, the second filling material 5114 can work with the first filling material 5112 to optimize the rebound of the face portion 4862 to optimize the speed and distance of the golf ball. Further, as described herein, the second filling material 5114 acts as an adhesive between the first filling material 5112 and the face portion 4862, and of the first filling material 5112 and the face portion 4862. It can provide continuous and / or uniform energy transfer between. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 54-65, the golf club head 5400 has a toe 5440 with a toe edge 5442 and a grip (not shown) at one end to form a golf club and the other end. A heel portion 5450 with a heel portion edge 5452 that may include a hosel portion 5455 configured to accommodate a shaft (not shown) having a golf club head 5400, a front portion 5460 with an outer peripheral edge portion 5461, and a back wall portion. It may include a back portion 5470 with 5472, a top portion 5480 with a top portion edge 5482, and a body portion 5410 having a sole portion 5490 with a sole portion edge 5492. The toe portion 5440, heel portion 5450, front portion 5460, back portion 5470, top portion 5480, and / or sole portion 5490 may partially overlap each other. The toe edge 5442, heel edge 5452, top edge 5482, and sole edge 5492 may define the outer circumference of the body portion 5410. The devices, methods, and products described herein are not limited to this.

The golf club head 5400 is an iron type golf club head (for example, 1 iron, 2 iron, 3 iron, 4 iron, 5 iron, 6 iron, 7 iron, 8 iron, 9 iron, etc. ), Or a wedge-based golf club head (eg, pitching wedge, lob wedge, sand wedge, n degree wedge such as 44 ° (degree), 48 °, 52 °, 56 °, 60 °, etc.). 54-65 show a particular type of golf club head, but the devices, methods, and products described herein are other types of golf club heads (eg, driver golf club heads, fairways). It may be applicable to wood type golf club heads, hybrid type golf club heads, putter type golf club heads, etc.). The volume of the golf club head 5400, the components of the golf club head 5400, and / or any component thereof, are any golf club head described in any of the applications described herein and / or incorporated by reference. Can be similar to. The devices, methods, and products described herein are not limited to this.

The golf club head 5400 may include a face portion 5462 (ie, striking surface) that can be integrally formed with a body portion 5410 (eg, one single component). In one example, as shown in FIGS. 54-65, the face portion 5462 is a separate component coupled to the front portion 5460 (eg, by bonding, mechanically, welding, and / or soldering). obtain. The face portion 5462 may include a front surface 5464 and a back surface 5466. In one example (not shown), the front portion 5460 may include one or more recessed shoulder portions configured to receive the face portion 5462 for attaching the face portion 5462 to the body portion 5410. In another example, as shown in FIGS. 54-65, the back surface 5466 may include an outer peripheral portion 5467 that may be attached to the outer peripheral edge portion 5461 of the body portion 5410. The outer peripheral portion 5467 of the face portion 5462 may be attached to the outer peripheral edge portion 5461 of the body portion 5410 by one or more fasteners, one or more adhesives or binders, and / or welding or soldering. In one example, as shown in FIGS. 54-65, the outer peripheral portion 5467 of the face portion 5462 may be welded to the outer peripheral edge portion 5461 of the body portion 5410 at one or more positions. Alternatively, the entire outer peripheral portion 5467 of the face portion 5462 may be welded (ie, continuous welded) to the entire outer peripheral edge portion 5461 of the body portion 5410. The face portion 5462 may include a ball striking area 5468 for hitting a golf ball. In one example, the center of the ball striking region 5468 may be the geometric center 5436 of the face portion 5462. In another example, the geometric center 5436 of the face portion 5462 may be offset from the center of the ball striking region 5468. In one example, the geometric center 5436 and one or more areas near and / or surrounding the geometric center within the ball striking area 4168 are on the face portion 5462 for hitting a golf ball. Can provide a generally optimal position for the ball (ie, optimal ball flight distance, ball speed, ball spin characteristics, etc.). In yet another example, any position within or near the geometric center 5436 and within the ball striking area 4868 may provide a generally optimal position on the face portion 5462 for hitting a golf ball. However, the ball may be struck at any position on the face portion 5462 within or outside the ball striking area 5468 or outside the ball striking area 5468 in any golf club head described herein, and is the preferred center of the individual. It brings specific ball flight characteristics that are different from hitting with. The configuration of the face portion 5462 and the attachment of the face portion 5462 to the body portion 5410 (eg, welding) are many with any golf club head described in any of the applications described herein and / or incorporated by reference. Can be similar in terms. The devices, methods, and products described herein are not limited to this.

The golf club head 5400 may be associated with a ground plane 5710, a horizontal center plane 5720, and a top plane 5730. In particular, the ground plane 5710 is parallel to or substantially parallel to the ground and when the golf club head 5400 is in the address position (eg, when the golf club head 5400 is aligned to hit a golf ball). It may be a plane in contact with the lowermost end of the sole edge 5492. The top plane 5730 may be a plane that touches the top edge of the top edge 5482 when the golf club head 5400 is in the address position. The ground plane 5710 and the top plane 5730 can be parallel or substantially parallel to each other, respectively. The horizontal center plane 5720 can be in the vertical middle between each of the ground plane 5710 and the top plane 5730. Further, the golf club head 5400 may be associated with a loft plane 5740 defining a loft angle 5745 (α) of the golf club head 5400. The loft plane 5740 can be a tangent plane to the face portion 5462. The loft angle 5745 may be defined by the angle between the loft plane 5740 and the vertical plane 5750 perpendicular to the ground plane 5710.

The body portion 5410 can be a hollow body including an internal cavity 5510 having an inner wall 5512. The internal cavity 5510 may extend between the front portion 5460, the back portion 5470, the top portion 5480, and the sole portion 5490. In the example of FIGS. 54-65, the internal cavity 5510 of the body portion 5410 may be sealed by the face portion 5462 and partially defined by the face portion 5462. Configuration of the internal cavity 5510 (eg, height, width, volume, shape, etc.), configuration of the internal cavity 5510 with respect to the body portion 5410 (eg, volume of the internal cavity 5510 relative to the volume of the body portion 5410), width of the internal cavity 5510 and Changes in height and access to the internal cavity 5510 from one or more ports of the body portion 5410 are any golf described herein and / or described in any of the applications incorporated by reference. It can be similar to a club head. The devices, methods, and products described herein are not limited to this.

The back wall portion 5472 of the back portion 5470 may include an upper back wall portion 5812 and a lower back wall portion 5814. The back wall portion 5472 may include a ledge portion 5816 that may extend continuously or discontinuously between the toe portion edge 5442 and the heel portion edge 5452. The lower back wall portion 5814 may be located behind the body portion 5410 with respect to the upper back wall portion 5812 by a ledge portion 5816 defining a transition portion between the upper back wall portion 5812 and the lower back wall portion 5814. Therefore, the ledge portion 5816 may extend laterally with respect to the upper back wall portion 5812 and the lower back wall portion 5814. In one example, as shown in FIGS. 54-65, the ledge portion 5816 may include a first ledge portion 5286 and a second ledge portion 5836. The first ledge portion 5826 may extend over the back wall portion from the toe portion edge 5442 to the back wall central portion 5840 of the back wall portion 5472. The second ledge portion 5836 may extend from the central portion 5840 of the back wall portion 5472 to the heel portion edge 5452. As shown in FIGS. 54-65, the ledge portion 5816 can provide a relatively large mass of the body portion 5410 below the horizontal central plane 5720 and of the lower body portion 5410 of the horizontal central plane 5720. The mass can be moved to the rear of the body portion 5410. The width of the ledge portion 5816 may be larger, equal or smaller than the width of the internal cavity at a particular position of the body portion 5410. The configuration of the ledge portion 5816 (eg, width, section, taper, shape, etc.) and the characteristics of the ledge portion 5816 with respect to the width of the internal cavity are described in any of the applications described herein and / or incorporated by reference. It can be similar to any golf club head. The devices, methods, and products described herein are not limited to this.

The body portion 5410 may include one or more ports that may be external and / or internal ports (eg, located inside the body portion 5410). The inner wall 5512 of the inner cavity 5510 may include one or more ports (not shown). In one example, as shown in FIGS. 54-65, the back portion 5470 may include one or more ports along or near the perimeter of the body portion 5410. For example, the body portion 5410 may include a first set of ports 5520 (eg, designated as ports 5521, 5522), a second set of ports 5530 (eg, designated as ports 5531, 5532), and a third set of ports. It may include 5540 (eg, designated as ports 5541, 5542, 5543) and a fourth set of ports 5550 (eg, designated as ports 5551, 5552). The location of each port in the first set of ports 5520, the second set of ports 5530, the third set of ports 5540, and / or the fourth set of ports 5550, their spacing from other ports, and any other configuration. , Can be similar in many respects to any port described in any of the applications described herein or incorporated by reference. Further, any one or more ports of the first set of ports 5520, the second set of ports 5530, the third set of ports 5540, and / or the fourth set of ports 5550 are connected to the internal cavity 5510. Also, through which one or more filling materials may be injected into the internal cavity 5510. In the example of FIGS. 54-65, ports 5521, 5531, 5551 may be connected to the internal cavity 5510 via openings 5651, 5571, 5581, respectively. The devices, methods, and products described herein are not limited to this.

Each port of the first set of ports 5520 may be separated by a distance less than the port diameter of any of the ports of the first set of ports 5520. Each port of the second set of ports 5530 may be separated by a distance smaller than the port diameter of any of the ports of the second set of ports 5530. Each port of the third set of ports 5540 may be separated by a distance smaller than the port diameter of any of the ports of the third set of ports 5540. Each port of the 4th set of ports 5550 may be separated by a distance smaller than the port diameter of any of the 3rd set of ports 5550. In one example, the first set of ports 5520 and the second set of ports 5530 may be separated by a distance greater than the port diameter of either the first set of ports 5520 and the second set of ports 5530. In another example, the second set of ports 5530 and the third set of ports 5540 may be separated by a distance greater than the port diameter of either the second set of ports 5530 or the third set of ports 5540. In yet another example, the third set of ports 5540 and the fourth set of ports 5550 may be separated by a distance greater than the port diameter of either the third set of ports 5540 and the fourth set of ports 5550. .. The devices, methods, and products described herein are not limited to this.

Although the ports are shown as separate individual parts in the drawings, each set or adjacent port of the first set of ports 5520, the second set of ports 5530, the third set of ports 5540, and the fourth set of ports 5550. Each set of combinations can be a single port. In one example, all the ports of the first set of ports 5520 may be combined into a single port (eg, the first port). In another example, all the ports of the second set of ports 5530 may be combined into a single port (eg, the second port). In another example, all the ports of the third set of ports 5540 may be combined into a single port (eg, a third port). In yet another example, all the ports of the 4th set of ports 5550 may be combined into a single port (eg, 4th port). Although the drawings show a particular number of ports, the devices, methods, and products described herein may include a larger number or a smaller number of ports.

The body portion 5410 may include one or more mass parts (eg, weight portions) that may be an integral mass portion or a separate mass portion coupled to the body portion 5410. In the example shown in FIGS. 54 to 65, the body portion 5410 has a mass portion 5620 of the first set (for example, indicated as the mass portions 5621 and 5622) and a mass portion 5630 of the second set (for example, the mass portion 5630). (Represented as 5631, 5632), a third set of mass parts 5640 (eg, represented as mass parts 5461, 5642, 5634) and a fourth set of mass parts 5650 (eg, indicated as mass parts 5651, 5652). ) And can be included. The above example has described a particular number or portion of parts by weight, but as described in any of the applications incorporated by reference, a set of parts by weight may include a single part by weight or multiple parts by weight. obtain. For example, any one of a set of adjacent mass parts in the mass part 5620 of the first set, the mass part 5630 of the second set, the mass part 5640 of the third set, and / or the mass part 5650 of the fourth set. The combination can be a single mass part. Further, the mass portion 5620 of the first set, the mass portion 5630 of the second set, the mass portion 5640 of the third set, and / or the mass portion 5650 of the fourth set are part of the physical structure of the body portion 5410. obtain. The first set of mass 5620, the second set of mass 5630, the third set of mass 5640, and / or the fourth set of mass 5650 are any described in any of the applications incorporated by reference. Can be similar to parts by mass. The devices, methods, and products described herein are not limited to this.

The internal cavity 5510 may be partially or completely filled with one or more filling materials (ie, cavity filling materials) which may include one or more similar or different types of materials. In one example, as shown in FIGS. 54-65, the internal cavity 5510 may be filled with a first filling material 5712 and a second filling material 5714. In one example, as described herein, the first filling material 5712 may be similar to the first filling material 5112, and the second filling material 5714 may be with the second filling material 5114. It may be similar. Therefore, the first filling material 5712 may be a rubber or a rubber compound, and the second filling material 5714 may be an epoxy-based material. In another example, the first filling material 5712 and the second filling material 5714 may be similar to any filling material described in any of the applications described herein or incorporated by reference. The devices, methods, and products described herein are not limited to this.

The first filling material 5712 may be coupled to all or part of the inner wall 5512 of the inner cavity 5510. In one example, the first filling material 5712 may have inherent adhesive or binding properties for attachment to all or part of the inner wall 5512. In another example, the first filling material 5712 may be attached to all or part of the inner wall 5512 with one or more binders or adhesives that can be mixed with the first filling material 5712. In another example, the first filling material 5712 may be attached to all or part of the inner wall 5512 with one or more binders or adhesives that can be separated from the first filling material 5712. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIGS. 56 and 57, the first filling material 5712 may be coupled to at least a portion of the inner wall 5512 that may generally correspond to the ball striking region 5468 of the face portion 5462 (ie, the first. The filling material 5712 of 1 may be disposed approximately behind the ball striking area 5468), may be coupled to the area near and / or around the ball striking area 5468 of the face portion 5462. In another example, the first filling material 5712 can be attached to at least 10% of the inner wall 5512. In another example, the first filling material 5712 can be attached to at least 25% of the inner wall 5512. In yet another example, the first filling material 5712 can be bonded between 25% and 50% of the inner wall 5512. In another example, the first filling material 5712 can be bonded between 41% and 75% of the inner wall 5512. In yet another example, the first filling material 5712 can be bonded between 50% and 90% of the inner wall 5512. In yet another example, the first filling material 5712 can be bound to more than 75% of the inner wall 5512. In yet another example, the first filling material 5712 can be coupled to the entire inner wall 5512. The devices, methods, and products described herein are not limited to this.

In one example, as shown in Table 4, the volume range (V _r ) of the first filling material 5712 can be expressed with respect to _{the mass (V b} ) of the body portion 5410 and the volume (V _{c) of the internal cavity 5510.} Further, as shown in Table 4, the mass (m _r ) of the first filling material 5712 and the mass (m _f ) of the second filling material 5714 can be expressed with respect to _{the mass (m b} ) of the body portion 5410.

As shown in the example of Table 4, the amount of the first filling material 5712 that is in the inner cavity 5510 and / or can be coupled to the inner wall 5512 is a golf club head (eg, 4 iron, 7 iron, etc.). It may depend on the loft angle (such as PW). In another example, the ratio of the volume of the first filling material 5712 to the volume of the body portion 5410 can be 2.5% or more and 30% or less. In another example, the ratio of the volume of the first filling material 5712 to the volume of the body portion 5410 can be 15% or more and 50% or less. In another example, the ratio of the mass of the first filling material 5712 to the mass of the body portion 5410 can be 0.75% or more and 7.5% or less. In another example, the ratio of the volume of the first filling material 5712 to the volume of the body portion 5410 may be greater than 50%. In another example, the ratio of the volume of the first filling material 5712 to the volume of the body portion 5410 can be 100% or approximately 100% (ie, the internal cavity 5510 is completely filled with the first filling material 5712). ). In yet another example, the ratio of the mass of the second filling material 5712 to the mass of the body portion 5410 can be 2.0% or more and 10% or less. Although Table 4 lists golf club heads labeled as having a particular loft angle or loft angle range, each of the golf club heads in Table 4 is the loft of an adjacent golf club head in Table 4. It may include a specific loft angle range that may partially resemble or overlap the angle range. The devices, methods, and products described herein are not limited to this.

The amount of the first filling material 5712 that can be in the internal cavity is the total thickness of the face portion 5462, the thickness profile of the face portion 5462, the shape of the internal cavity 5510, the position and configuration of any port or mass portion, It may depend on the material properties of the first filling material 5712 and / or the material properties of the second filling material 5714. In one example, a golf club head with a relatively large loft angle may limit the portion of the inner wall 5512 to which the first filling material 5712 can be bonded. In another example, a golf club head with a relatively small loft angle may have a first filling material 5712 coupled to the entire or substantial portion of the inner wall 5512. In yet another example, the acoustic properties of a golf club head can be a factor in determining the amount of filling material 5712 that can be coupled to the inner wall 5512 to provide a pleasing sound and feel to the individual. The amount (ie, volume and / or mass) of the first filling material 5712 coupled to the inner wall 5512 may be determined for each golf club head (ie, having a particular loft angle) (i). ) To provide vibration or acoustic damping (eg, a consistent and / or pleasing sound and feel when hitting a golf ball with a golf club head 5400, as perceived by an individual using the golf club head 5400). Can (iii) provide structural support to the face portion 5462 and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, And / or ball variation can be optimized. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 54 to 65, the part of the internal cavity 5510 including the central portion 5511 of the internal cavity 5510 may be a part of the internal cavity 5510 that can substantially correspond to the ball striking region 5468, and the first It may include a filling material 5712 and a second filling material 5714. The width 5513 of the internal cavity 5510 at the central portion 5511 of the internal cavity 5510 may be substantially larger than the width 5513 of the internal cavity 5510 at other parts of the internal cavity 5510. Thus, the region of the internal cavity 5510 behind the ball striking region 5468, i.e., the central portion 5511, may contain a relatively large amount of the first filling material 5712 and / or the second filling material 5714. Further, the configuration of the central portion 5511 (ie, size, shape, contour, volume, etc.) may depend on the loft angle 5745. For example, a golf club head 5400 with a relatively small loft angle 5745 has a central portion 5511 (ie, larger volume, depth, height, etc.) that is larger than a golf club head 5400 with a relatively large loft angle 5745. Can be. Thus, as described herein, the amount of the first filling material 5712 and / or the second filling material 5714 in the internal cavity 5510, more specifically in the central portion 5511, is at the loft angle 5745. It may be determined on the basis of (i) vibration damping or acoustic damping (eg, consistent and / or consistent when hitting a golf ball with a golf club head 5400, as perceived by an individual using the golf club head 5400. It can provide a pleasing sound and feel), (ii) can provide structural support to the face portion 5462, and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate. , Ball peak height, ball landing angle, and / or ball variation can be optimized. The devices, methods, and products described herein are not limited to this.

The contour of the inner cavity 5510 or the shape of the inner wall 5512 may be defined by a plurality of recesses recessed with respect to the outer peripheral edge portion 5461. In the example of FIGS. 54-65, the internal cavity 5510 has a depth generally smaller than that of the first recess 5514 and the first recess 5514 (ie, by the internal cavity 5513 as seen in the cross-sectional views of FIGS. 57-40). It has a second recess 5515 that may have (defined), a third recess 5516 that may have a depth that is generally smaller than the second recess 5515, and a depth that is generally smaller than the third recess 5516. It may include a fourth recess 5517 which may be and a fifth recess 5518 which may have a depth generally smaller than that of the fourth recess 5517. The internal cavity 5510 may have more or less recesses. The devices, methods, and products described herein are not limited to this.

The first recess 5514 may generally include the maximum width 5513 of the internal cavity 5510, may be located at the central portion 5511, and / or may have a portion adjacent to or surrounding the central portion 5511. The second recess 5515 may be adjacent to and / or surround the whole or part of the first recess 5514 and may include a portion that may be in the central portion 5511. In the example of FIGS. 54 to 65, the second recess 5515 is located below the first recess 5514. Part of the structure of the body portion 5410, including the third set of ports 5540, may be between the second recess 5515 and the lower backwall portion 5814. Therefore, the depth of the second recess 5515 is such that the body portion 5410 can accommodate the third set of ports 5540 between the second recess 5515 and the lower backwall portion 5814. It may be smaller than that. The devices, methods, and products described herein are not limited to this.

The third recess 5516 may be adjacent to and / or surround the whole or part of the second recess 5515 and / or the first recess 5514 and may include a portion that may be in the central portion 5511. In the example of FIGS. 54 to 65, the third recess 5516 surrounds the first recess 5514 on the upper side of the horizontal central plane 5720. The fourth recess 5517 may be in or near the outer peripheral edge portion 5461 and / or adjacent to all or part of the third recess 5516, the second recess 5515 and / or the first recess 5514. And / or may be surrounded. In the example of FIGS. 54 to 65, the fourth recess 5517 is adjacent to the portion of the first recess 5514 and the second recess 5515 below the horizontal central plane 5720. Part of the structure of the body portion 5410, including the second set of ports 5530 and the fourth set of ports 5550, may be between the fourth recess 5517 and the lower backwall portion 5814. Therefore, the depth of the fourth recess 5517 is such that the body portion 5410 can accommodate a second set of ports 5530 and a fourth set of ports 5550 between the fourth recess 5517 and the lower back wall portion 5814. It may be smaller than the depth of the first recess 5514 and the second recess 5515. The devices, methods, and products described herein are not limited to this.

The fifth recess 5518 may be adjacent to the outer peripheral edge portion 5461. Therefore, at any position of the internal cavity 5510 including the fifth recess 5518, the fifth recess 5518 has an outer peripheral edge portion 5461, a first recess 5514, a second recess 5515, a third recess 5516, and a second. It can be between any of the recesses 5517 of 4. Part of the structure of the body portion 5410, including the first set of ports 5520, may be between the fifth recess 5518 and the upper backwall portion 5812. Thus, the depth of the fifth recess 5518 is adjacent to the third recess 5516 so that the body portion 5410 can accommodate the first set of ports 5520 between the fifth recess 5518 and the upper backwall portion 5812. It may be smaller than the depth of the portion. The devices, methods, and products described herein are not limited to this.

The internal cavity 5510 may include one or more internal channels that may extend between the toe 5440 and the heel 5450. In one example, as shown in FIGS. 54-65, the internal cavity 5510 has a first internal channel 5525 that can extend from the position of the toe portion 5440 to the central portion 5511 and from the position of the heel portion 5450 to the central portion 5511. It may include a second internal channel 5526 that may be extended. The first internal channel 5525 and the second internal channel 5526 may connect to the first recess 5514 and have the same depth as the first recess 5514 at or near the central portion 5511. The depth of the first internal channel 5525 and the second internal channel 5526 can decrease from the first recess 5514 towards each of the toe 5440 and the heel 5450. As shown in the examples of FIGS. 54 to 65, the portion of the first internal channel 5525 and / or the second internal channel 5526 connected to and / or close to the first recess 5514 is the first. You may maintain a constant depth that may be similar to the depth of the recess 5514 in 1. Alternatively, all or part of the first internal channel 5525 and / or the second internal channel 5526 may have a decreasing depth towards the toe 5440 and the heel 5450, respectively. In one example, as shown in FIGS. 54-65, the height of the first internal channel 5525 extends from the toe portion 5440 to the central portion 5511 so as to include the first channel portion 5535 of a triangle that expands relatively significantly. Increase toward. Similarly, the height of the second internal channel 5526 increases from the heel portion 5450 towards the central portion 5511 to include the second channel portion 5536 of the triangle that expands relatively significantly. The first channel portion 5535 and the second channel portion 5536 can further effectively extend the central portion 5511 toward the toe portion 5440 and the heel portion 5450, respectively. Therefore, the first channel portion 5535 and the second channel portion 5536 have a larger volume of the first filling material 5712 and / or the second filling material 5714 between the central portion 5511, the toe portion 5440, and the heel portion. Can be provided. With respect to the off-center golf ball impact at the face portion 5462, the increased volume of the first filling material 5712 and / or the second filling material 5714 in the internal channels 5525, 5526 may be (i) vibration damping or acoustic. It can provide damping, (ii) can provide structural support to the face portion 5462, and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height. The ball landing angle and / or ball variation can be optimized. Further, the mass removed from the body portions 5410 to provide the internal channels 5525, 5526, more specifically the first channel portion 5535 and the second channel portion 5536, increases the moment of inertia of the golf club head 5400. And / or may be shifted to other positions in the body portion 5410 so that the position of the center of gravity is optimized. The devices, methods, and products described herein are not limited to this.

The internal cavity 5510 may include additional recesses that may define a transition region between the first recess 5514 to the fifth recess 5518 and the internal channels 5525, 5526. Each of the recesses may be adjacent to and migrate to any one or several of the other recesses. For example, as shown in FIGS. 57-59, the first recess 5514 may include an inclined surface 5527 that can migrate and connect to a third recess 5516 above the first recess 5514. Further, any of the recesses may migrate directly to the outer peripheral edge portion 5461. The recesses and transition areas may jointly define the overall shape and / or contour of the internal cavity 5510. The transition area may include a wall that is perpendicular, transverse, or contains to an adjacent recess. Further, the transition region may include rounded corners when joining adjacent recesses to reduce stress concentration at the joined corners. The recess may define a continuous, and / or gradual decrease in the width of the internal cavity 5510 from the central portion 5511 to the outer peripheral edge portion 5461 along the contour. The devices, methods, and products described herein are not limited to this.

The shape, size, width, height, and other characteristics of the recesses 5514-5518 and the internal channels 5525, 5526 may be associated with a loft angle 5745 of the golf club head 5400. In one example, as shown in FIGS. 54-65, the first recess 5514, the second recess 5515, and the third recess 5516 can be filled with the first filling material 5712. The first filling material 5712 can be injection molded into a first recess 5514, a second recess 5515, a third recess 5516, and internal channels 5525, 5526. The filling material 5712 is a binder and / or another binder that is mixed with the first filling material 5712 by having a unique adhesive or binding property, the first recess 5514, the second recess. It can be coupled to 5515, a third recess 5516, and an inner wall 5512 of internal channels 5525, 5526. In another example, the first filling material 5712 is separately molded into the shape of the first recess 5514, the second recess 5515, the third recess 5516, and the internal channels 5525, 5526, and the first with a binder. Can be coupled to the recess 5514, the second recess 5515, the third recess 5516, and the internal channels 5525, 5526. In one example, the rest of the internal cavity 5510, including the fourth recess 5517 and the fifth recess 5518, may be filled with a second filling material 5714. Thus, the second filling material 5714 is coupled to the back surface 5466 of the face portion 5462, to the portion of the outer inner wall 5512 of the first recess 5514, the second recess 5515, and the third recess 5516, and / Or may be placed between the face portion 5462 and the first filling material 5712. In another example, the first recess 5514 and the second recess 5515 can be filled with the first filling material 5712, while the rest of the internal cavity 5510 can be filled with the second filling material 5714. .. In another example, the first recess 5514, the second recess 5515, and the internal channels 5525, 5526 can be filled with the first filling material 5712, while the rest of the internal cavity 5510 is the second. It can be filled with filling material 5714. In another example, the first recess 5514, the second recess 5515, the internal channels 5525, 5526, the third recess 5516, and the fifth recess 5518 can be filled with the first filling material 5712, while The rest of the internal cavity 5510 can be filled with a second filling material 5714. In yet another example, the entire internal cavity 5510 may be filled with the first filling material 5712. The devices, methods, and products described herein are not limited to this.

Width 5722 of the first filling material 5712 (W _F1) and a second width of the filling material 5714 5724 (W _F2) is changed from the toe portion 5440 to the heel portion 5450 and / or from the top 5480 to the sole portion 5490 And / or vary according to the shape of the first recess 5514, the second recess 5515, the third recess 5516, the fourth recess 5517 and / or the fifth recess 5518, depending on their position within the internal cavity 5510. You may. The width 5722 of the first filling material 5712 can vary according to the shape of the first recess 5514, the second recess 5515, and the third recess 5516. The width 5722 of the first filling material 5712 and / or the width 5724 of the second filling material 5714 is constant or substantially constant at one or more positions of the internal cavity 5510, the specific other of the internal cavity 5510. Can change in position. In one example, the width 5722 of the first filling material 5712 and / or the width 5724 of the second filling material 5714 is the contour of all or part of the inner wall 5512 of the inner cavity 5510 (ie, the contour of the recess) and / or the first. Similar to or substantially the same as the contour of the boundary between one filling material 5712 and the second filling material 5714, it can vary at one or more positions in the internal cavity 5510. In one example, the second filling material 5714 is (i) consistent with vibration damping or acoustic damping (eg, as perceived by an individual using the golf club head 5400, when hitting a golf ball with the golf club head 5400. And / or can provide a pleasing sound and feel), (ii) can provide structural support to the face portion 5462, and / or (iii) ball travel distance, ball speed, ball launch angle, and / or. Ball spin rate, ball peak height, ball landing angle, and / or ball variation can be optimized. The width 5722 of the first filling material 5712 and the width 5724 of the second filling material 5714 have a ball striking area 5468 and / so that a relatively high or optimal coefficient of restitution (COR) is provided to the golf club head 5400. Alternatively, it may be determined in another region of the internal cavity 5510. The devices, methods, and products described herein are not limited to this.

In one example (not shown), the internal cavity 5510 may be completely filled with the first filling material 5712. In another example, as shown in FIGS. 54-65, the internal cavity 5510 may be partially filled with a first filling material 5712. Therefore, the rest of the first internal cavity 5510 can be filled with the second filling material 5714. As described herein, the second filling material 5714 combines the bond between the first filling material 5712 and the back wall portion 5472 (eg, alone or in combination with one or more adhesives). Can be provided or supported. In other words, the second filling material 5714 may support or maintain the maintenance of the first filling material 5712 coupled to the back wall portion 5472. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 65, the back surface 5466 of the face portion 5462 may include one or more grooves in close proximity to the outer peripheral portion 5467 of the face portion 5462. In one example, as shown in FIG. 65, the groove 5469 may be a continuous groove (ie, defining a loop) that is close to the outer peripheral portion 5467 and extends in a path similar to that of the outer peripheral portion 5467. The groove 5469 may include a relatively thin portion of the face portion 5462. Thus, the groove 5469 increases the flexibility of the face portion 5462 so that when the golf ball hits the face portion 5462, the face portion 5462 provides a greater rebound force (ie, a greater trampoline effect). Also, this may provide greater speed for the golf ball. All or part of the groove 5469 may be filled with a first filling material 5712 and / or a second filling material 5714. In the example of the golf club head 5400, the entire groove 5469 may be filled with a second filling material 5714. Therefore, the second filling material 5714 can structurally support a relatively thin portion of the face portion 5462 defined by the groove 5469. In another example, a plurality of separate grooves (not shown) may be provided on the back surface 5466 of the face portion 5462 at a specific position close to the outer peripheral portion 5467 in order to provide a specific rebound effect to the face portion 5462. .. In yet another example, in order to provide a particular rebound effect for the face portion 5462, a continuous groove similar to the groove 5469 and / or a plurality of separate grooves (not shown) are provided on the outer peripheral portion 5467 and the back surface of the face portion 5462. It may be provided at a specific position between the 5466 geometric center and the 5436. The face portion of any golf club head described herein may include a groove 5469. For example, the face portion 3562 of the golf club head 3500 of FIG. 35 may include similar grooves that can be filled with the second filling material 3814 and / or the first filling material 3812. The devices, methods, and products described herein are not limited to this.

As described herein, the face portion 5462 may be relatively thin so that the bending and bending of the face portion 5462 during the impact of the golf ball is increased. Further, the face portion 5462 may include one or more grooves in the back surface 5466 of the face portion 5462 so as to further increase the flexibility of the face portion 5462, as described herein. The second filling material 5714 is a polymer material having relatively high strength and rigidity, which provides structural support to the face portion 5462 and breaks the face portion 5462 during or repeated hitting of the golf ball. (That is, face fatigue) is prevented. As described herein, the second filling material 5114 can be an epoxy-based material. The second filling material 5714 may also have a relatively high COR as described herein such that a rebound effect is provided on the face portion 5462 after hitting the golf ball. As further described herein, the first filling material 5712 is less strong and rigid (ie, softer or less rigid) than the second filling material 5714 and has a higher COR than the second filling material 5714. It can be a high, rubber-based compound. Thus, the first filling material 5712 can provide additional structural support for the face portion 5462. Further, the relatively low COR of the first filling material 5712 allows the first filling material 5712 to store energy from the impact of the golf ball and provide the face portion 5462 with a relatively high rebound effect. Can return a significant amount of energy to (ie, does not lose much impact energy). Further, as described herein, the different material properties of the first filling material 5712 and the second filling material 5714 attenuate sound and vibration in different frequency ranges to give the individual a pleasing sound and feel. Can be applied. The devices, methods, and products described herein are not limited to this.

FIG. 66 shows one of the methods of manufacturing a golf club head 5400 or any golf club head described herein. In the example of FIG. 66, process 6600 may be initiated by supplying a body portion 5410 and a face portion 5462 of the golf club head 5400 (block 6610). The first filling material 5712 can be coupled to the internal cavity 5510 (block 6620). In one example, the first filling material 5712 can be molded by injection molding into one or more recesses described herein (ie, any recess described herein) in the internal cavity 5510. .. The first filling material 5712 can then be cured at ambient temperature or by one or more heating / cooling cycles depending on the material used for the first filling material 5712. In another example, the first filling material 5712 is molded into the shape of one or more recesses described herein, followed by one or more recesses with the binder described herein. Can be combined with. The face portion 5462 may then be attached to the body portion 5410 described herein to seal the internal cavity 5510 (block 6630). The second filling material 5714 can then be connected to the internal cavities 5510 described herein, a first set of ports 5520, a second set of ports 5530, a third set of ports 5540, and / or. It may be injected into the internal cavity 5510 through one or more ports of the fourth set of ports 5550 (block 6640). The second filling material 5714 can then be cured at ambient temperature or by one or more heating / cooling cycles depending on the material used for the second filling material 5714. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 67-86, the golf club head 6700 has a toe portion 6740 having a toe portion edge 6742 and a grip (not shown) at one end to form a golf club and the other end. A heel portion 6750 having a heel portion edge 675 which may include a hosel portion 6755 configured to accommodate a shaft (not shown) having a golf club head 6700, a front portion 6760 having an outer peripheral edge portion 6676, and a back wall portion. It may include a back portion 6770 with a 6772 portion, a top portion 6780 with a top portion edge 6782, and a body portion 6710 having a sole portion 6790 with a sole portion edge 6792. The toe portion 6740, heel portion 6750, front portion 6760, back portion 6770, top portion 6780, and / or sole portion 6790 may partially overlap each other. The toe edge 6742, heel edge 6752, top edge 6782, and sole edge 6792 may define the outer circumference of the body portion 6710. The devices, methods, and products described herein are not limited to this.

The golf club head 6700 is an iron type golf club head (for example, 1 iron, 2 iron, 3 iron, 4 iron, 5 iron, 6 iron, 7 iron, 8 iron, 9 iron, etc. ), Or a wedge-based golf club head (eg, pitching wedge, lob wedge, sand wedge, n degree wedge such as 44 ° (degree), 48 °, 52 °, 56 °, 60 °, etc.). 67-86 show a particular type of golf club head, but the devices, methods, and products described herein are other types of golf club heads (eg, driver golf club heads, fairways). It may be applicable to wood type golf club heads, hybrid type golf club heads, putter type golf club heads, etc.). The volume of the golf club head 6700, the components of the golf club head 6700, and / or any component thereof, are any golf club head described in any of the applications described herein and / or incorporated by reference. Can be similar to. The devices, methods, and products described herein are not limited to this.

The golf club head 6700 may include a face portion 6762 (ie, striking surface) that can be integrally formed with a body portion 6710 (eg, one single component). In one example, as shown in FIGS. 67-86, the face portion 6762 is a separate component coupled to the front portion 6760 (eg, by bonding, mechanically, welding, and / or soldering). obtain. The face portion 6762 may include a front surface 6674 and a back surface 6766. In one example (not shown), the front portion 6760 may include one or more recessed shoulder portions configured to receive the face portion 6762 for attaching the face portion 6762 to the body portion 6710. In another example, as shown in FIGS. 67-86, the back surface 6766 may include an outer peripheral portion 6767 that may be attached to the outer peripheral edge portion 6676 of the body portion 6710. The outer peripheral edge 6767 of the face 6762 may be attached to the outer peripheral edge of the body 6710 by one or more fasteners, one or more adhesives or binders, and / or welding or soldering. In one example, as shown in FIGS. 67-86, the outer peripheral portion 6767 of the face portion 6762 may be welded to the outer peripheral edge portion 6676 of the body portion 6710 at one or more positions. Alternatively, the entire outer peripheral portion 6767 of the face portion 6762 may be welded (that is, continuous welding) to the entire outer peripheral edge portion 6676 of the body portion 6710. The face portion 6762 may include a ball striking area 6768 for hitting a golf ball. In one example, the center of the ball striking region 6768 may be the geometric center 6763 of the face portion 6762. In another example, the geometric center 6763 of the face portion 6762 may be offset from the center of the ball striking area 6768. In one example, the geometric center 6763 and one or more areas in the vicinity of the geometric center and / or surrounding the geometric center within the ball striking area 6768 are on the face portion 6762 for hitting a golf ball. Can provide a generally optimal position for the ball (ie, optimal ball flight distance, ball speed, ball spin characteristics, etc.). In yet another example, any position within or near the geometric center 6763 and within the ball striking area 6768 may provide a generally optimal position on the face portion 6762 for hitting a golf ball. However, the ball may be struck at any position on the face portion 4862 within or outside the ball striking area 6768 in any golf club head described herein and is the preferred center of the individual. It provides specific ball flight characteristics that are different from hitting with. The configuration of the face portion 6762 and the attachment of the face portion 6762 to the body portion 6710 (eg, welding) may be any golf club head and many as described in any of the applications described herein and / or incorporated by reference. Can be similar in terms. The face portion 6762 may include a groove 6769 (shown in FIG. 72) that may be similar in many respects to the groove 5469 of the golf club head 5400. The devices, methods, and products described herein are not limited to this.

The golf club head 6700 may be associated with a ground plane 7010, a horizontal center plane 7020, and a top plane 7030. In particular, when the ground plane 7010 is parallel to or substantially parallel to the ground and the golf club head 6700 is in the address position (eg, when the golf club head 6700 is aligned to hit a golf ball). It may be a plane in contact with the lowermost end of the sole edge 6792. The top plane 7030 may be a plane that touches the top edge of the top edge 6782 when the golf club head 6700 is in the address position. The ground plane 7010 and the top plane 7030 can be parallel or substantially parallel to each other, respectively. The horizontal center plane 7020 can be in the vertical middle between the ground plane 7010 and the top plane 7030, respectively. Further, the golf club head 6700 may be associated with a loft plane 7040 defining a loft angle 7045 (α) of the golf club head 6700. The loft plane 7040 can be a tangent plane to the face portion 6762. The loft angle 7045 may be defined by the angle between the loft plane 7040 and the vertical plane 7050 perpendicular to the ground plane 7010.

The body portion 6710 can be a hollow body including an internal cavity 6810 having an inner wall 6812. The internal cavity 6810 may extend between the front portion 6760, the back portion 6770, the top portion 6780, and the sole portion 6790. In the example of FIGS. 67-86, the internal cavity 6810 of the body portion 6710 may be sealed by the face portion 6762 and partially defined by the face portion 6762. Configuration of the internal cavity 6810 (eg, height, width, volume, shape, etc.), configuration of the internal cavity 6810 with respect to the body portion 6710 (eg, volume of the internal cavity 6810 relative to the volume of the body portion 6710), width of the internal cavity 6810 and Changes in height and access to the internal cavity 6810 from one or more ports of the body portion 6710 are described in any of the applications described herein and / or incorporated by reference. It can be similar to a club head. The devices, methods, and products described herein are not limited to this.

The back wall portion 6772 of the back portion 6770 may include an upper back wall portion 7112 and a lower back wall portion 7114. The back wall portion 6772 may include a ledge portion 7116 that may extend continuously or discontinuously between the toe portion edge 6742 and the heel portion edge 6752. The lower back wall portion 7114 may be located behind the body portion 6710 with respect to the upper back wall portion 7112 by a ledge portion 7116 defining a transition portion between the upper back wall portion 7112 and the lower back wall portion 7114. Therefore, the ledge portion 7116 may extend laterally with respect to the upper back wall portion 7112 and the lower back wall portion 7114. In one example, as shown in FIGS. 67-86, the ledge portion 7116 may include a first ledge portion 7126 and a second ledge portion 7136. The first ledge portion 7126 may extend over the back wall portion from the toe portion edge 6742 to the back wall central portion 7140 of the back wall portion 6772. The second ledge portion 7136 may extend from the central portion 7140 of the back wall portion 6772 to the heel portion edge 6752. As shown in FIGS. 67-86, the ledge portion 7116 can provide a relatively large mass of the body portion 6710 below the horizontal central plane 7020, and the lower body portion 6710 of the horizontal central plane 7020. The mass can be moved to the rear of the body portion 6710. The width of the ledge portion 7116 may be larger, equal or smaller than the width of the internal cavity at a particular position of the body portion 6710. The configuration of the ledge portion 7116 (eg, width, section, taper, shape, etc.) and the characteristics of the ledge portion 7116 with respect to the width of the internal cavity are described in any of the applications described herein and / or incorporated by reference. It can be similar to any golf club head. The devices, methods, and products described herein are not limited to this.

The body portion 6710 may include one or more ports that may be external and / or internal ports (eg, located inside the body portion 6710). The inner wall 6812 of the inner cavity 6810 may include one or more ports (not shown). In one example, as shown in FIGS. 67-86, the back portion 6770 may include one or more ports along or near the perimeter of the body portion 6710. For example, the body portion 6710 may include a set of ports 6820 (eg, represented as ports 6821, 6822, 6823, 6824, 6825). Each port in the set of ports 6820 can be separated by a distance smaller, equal, or greater than the port diameter of any port in the set of ports 6820. In one example, ports 6821 and 6822 may be separated by a distance greater than the port diameter of either port 6821 or 6822. Similarly, ports 6824 and 6825 may be separated by a distance greater than the port diameter of either port 6824 or 6825. Ports 6822, 6823, and 6824 may be separated by a distance smaller than the port diameter of either port 6822, 6823, or 6824. Any one or more ports in a set of ports 6820 may be combined into a single port. The location of each port in the set of ports 6820, the spacing from other ports, and any other configuration, are any port and many points described in any of the applications described herein or incorporated by reference. Can be similar in. Further, any one or more ports in the set of ports 6820 may be connected to the internal cavity 6810 through which one or more filling materials may be injected into the internal cavity 6810. In the example of FIGS. 67-86, the ports 6821 and 6825 may be connected to the internal cavity 6810 via openings 6861 and 6871, respectively. The devices, methods, and products described herein are not limited to this.

The body portion 6710 may include one or more mass parts (eg, weight portions) that may be an integral mass portion or a separate mass portion coupled to the body portion 6710. In an example as shown in FIGS. 67-86, the body portion 6710 may include a set of mass parts 6920 (eg, represented as mass parts 6921, 6922, 6923, 6924, 6925). The above example has described a particular number or portion of parts by weight, but as described in any of the applications incorporated by reference, a set of parts by weight may include a single part by weight or multiple parts by weight. obtain. For example, any one or combination of adjacent mass parts in a set of mass parts 6920 may be a single mass part. Further, the mass portion set 6920 may be part of the physical structure of the body portion 6710. The set of parts by weight 6920 may be similar to any parts by weight described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

The internal cavity 6810 is one or more filling materials (ie, cavity filling materials) as described herein, which may include one or more similar or different types of materials, partially or completely. May be filled with. In one example, as shown in FIGS. 67-86, the internal cavity 6810 may resemble a filling material 5112 or a filling material 5712, or is described in any of the applications described or incorporated herein by reference. It can be filled with a filling material 7012, which can resemble any filling material. The devices, methods, and products described herein are not limited to this.

The filling material 7012 may be coupled to all or part of the inner wall 6812 of the inner cavity 6810. In one example, the filling material 7012 may have inherent adhesive or bonding properties for attachment to all or part of the inner wall 6812. In another example, the filling material 7012 may be attached to all or part of the inner wall 6812 with one or more binders or adhesives that can be mixed with the filling material 7012. In another example, the filling material 7012 may be attached to all or part of the inner wall 6812 with one or more binders or adhesives that can be separated from the filling material 7012. The devices, methods, and products described herein are not limited to this.

In one example, the filling material 7012 may be coupled to at least a portion of the inner wall 6812 that may generally correspond to the ball striking area 6768 of the face portion 6762 (ie, the filling material 7012 is located approximately behind the ball striking area 6768). (Obtain), may be coupled to a region near and / or around the ball striking region 6768 of the face portion 6762. In another example, the filling material 7012 may be attached to at least 10% of the inner wall 6812. In another example, the filling material 7012 may be attached to at least 25% of the inner wall 6812. In yet another example, the filling material 7012 may be bonded between 25% and 50% of the inner wall 6812. In another example, the filling material 7012 may be bonded between 54% and 75% of the inner wall 6812. In yet another example, the filling material 7012 may be bonded between 50% and 90% of the inner wall 6812. In yet another example, the filling material 7012 may be bound to more than 75% of the inner wall 6812. In yet another example, the filling material 7012 may be bonded to the entire inner wall 6812. The devices, methods, and products described herein are not limited to this.

The amount of filling material 7012 that can be coupled to the inner wall 6812 is the loft angle of the golf club head, the overall thickness of the face portion 6762, the thickness profile of the face portion 6762, the shape of the internal cavity 6810, any port or mass portion. It may depend on the position and configuration and / or the material properties of the filling material 7012. In one example, a golf club head with a relatively large loft angle may limit the portion of the inner wall 6812 to which the filling material 7012 can be bonded. In another example, a golf club head with a relatively small loft angle may have the filling material 7012 coupled to the entire or substantial portion of the inner wall 6812. In yet another example, the acoustic properties of a golf club head can be a factor in determining the amount of filling material 7012 that can be coupled to the inner wall 6812 to provide a pleasing sound and feel to the individual. The amount (ie, volume and / or mass) of the filling material 7012 coupled to the inner wall 6812 may be determined for each golf club head (ie, having a particular loft angle) and (i) vibration damping. Alternatively, it can provide acoustic attenuation (eg, a consistent and / or pleasing sound and feel when hitting a golf ball with a golf club head 6700, as perceived by an individual using the golf club head 6700). ii) Structural support can be provided to the face portion 6762 and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, and / or. Ball variation can be optimized. The devices, methods, and products described herein are not limited to this.

In the example of FIGS. 67-86, the portion of the internal cavity 6810 including the central portion 6811 of the internal cavity 6810 may be part of the internal cavity 6810 that may generally correspond to the ball striking region 6768, and the filling material 7012. May include. The width 6813 of the internal cavity 6810 at the central portion 6811 of the internal cavity 6810 may be substantially larger than the width 6813 of the internal cavity 6810 at the other portion of the internal cavity 6810. Thus, the region of the internal cavity 6810 behind the ball striking region 6768, i.e. the central portion 6811, may contain a relatively large amount of filling material 7012. Further, the configuration of the central portion 6811 (ie, size, shape, contour, volume, etc.) may depend on the loft angle 7045. For example, a golf club head 6700 with a relatively small loft angle 7045 has a central portion 6811 (ie, larger volume, depth, height, etc.) larger than a golf club head 6700 with a relatively large loft angle 7045. Can be. Thus, as described herein, the amount of filling material 7012 in the internal cavity 6810, more specifically in the central portion 6811, may be determined based on the loft angle 7045, (i) vibration. Damping or acoustic damping (eg, a consistent and / or pleasing sound and feel when hitting a golf ball with a golf club head 6700, as perceived by an individual using the golf club head 6700) can be provided. (Ii) can provide structural support to the face portion 6762 and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, and / Alternatively, ball variation can be optimized. The devices, methods, and products described herein are not limited to this.

The contour of the inner cavity 6810 or the shape of the inner wall 6812 may be defined by a plurality of recesses recessed with respect to the outer peripheral edge portion 6761. In the example of FIGS. 67-86, the internal cavity 6810 is larger than the first recess 6814, the second recess 6815, which may have a depth generally smaller than the first recess 6814, and the second recess 6815. It has a third recess 6816 that can have a generally smaller depth, a fourth recess 6817 that can have a depth that is generally smaller than the third recess 6816, and a depth that is generally smaller than the fourth recess 6817. It may include a possible fifth recess 6818. The internal cavity 6810 may have more or less recesses. The devices, methods, and products described herein are not limited to this.

The first recess 6814 may generally include the maximum width 6813 of the internal cavity 6810, may be provided in the central portion 6811, and / or may have a portion adjacent to and / or surrounding the central portion 6811. good. The second recess 6815 may be adjacent to and / or surround the whole or part of the first recess 6814 and may include a portion that may be in the central portion 6811. In the example of FIGS. 67 to 86, the second recess 6815 is located below the first recess 6814. Part of the structure of the body portion 6710, including ports 6822, 6823, 6824, may be between the second recess 6815 and the lower back wall portion 7114. Therefore, the depth of the second recess 6815 is such that the body portion 6710 can accommodate the ports 6822, 6823, 6824 between the second recess 6815 and the lower back wall portion 7114. It may be smaller than that. The devices, methods, and products described herein are not limited to this.

The third recess 6816 may be adjacent to and / or surround the whole or part of the second recess 6815 and / or the first recess 6814, and may include a portion that may be in the central portion 6811. In the example of FIGS. 67-86, the third recess 6816 surrounds the first recess 6814 above the horizontal central plane 7020. The fourth recess 6817 may be in or near the outer peripheral edge portion 6761 and / or in whole or in part of the third recess 6816, the second recess 6815, and / or the first recess 6814. It may be adjacent and / or surrounded. In the example of FIGS. 67 to 86, the fourth recess 6817 is adjacent to the portion of the first recess 6814 and the second recess 6815 below the horizontal central plane 7020. The fifth recess 6818 may be adjacent to the outer peripheral edge portion 6761. Therefore, at any position of the internal cavity 6810 including the fifth recess 6818, the fifth recess 6818 has an outer peripheral edge portion 6761, a first recess 6814, a second recess 6815, a third recess 6816, and a second. It can be between any of the recesses 6817 of 4. The devices, methods, and products described herein are not limited to this.

The internal cavity 6810 may include one or more internal channels that may extend between the toe portion 6740 and the heel portion 6750. In one example, as shown in FIGS. 67-86, the internal cavity 6810 has a first internal channel 6825 that can extend from the position of the toe portion 6740 to the central portion 6811 and from the position of the heel portion 6750 to the central portion 6811. It may include a second internal channel 6826 which may be extended. The first internal channel 6825 and the second internal channel 6826 may connect to the first recess 6814 and have the same depth as the first recess 6814 at or near the central portion 6811. The depth of the first internal channel 6825 and the second internal channel 6826 may decrease from the first recess 6814 towards the toe portion 6740 and the heel portion 6750, respectively. As shown in the examples of FIGS. 67 to 86, the portion of the first internal channel 6825 and / or the second internal channel 686 that is connected to and / or is close to the first recess 6814 is a second portion. You may maintain a constant depth that may be similar to the depth of the recess 6814 in 1. Alternatively, all or part of the first internal channel 6825 and / or the second internal channel 686 may have a decreasing depth towards the toe portion 6740 and the heel portion 6750, respectively. With respect to the off-center golf ball hit at the face portion 6762, the increased volume of the filling material 7012 in the internal channels 6825, 6826 can provide (i) vibration or acoustic damping, and (ii) the face. Structural support can be provided to section 6762 and / or (iii) ball travel distance, ball speed, ball launch angle, ball spin rate, ball peak height, ball landing angle, and / or ball variation. Can be optimized. Further, the mass removed from the body portion 6710 to provide the internal channels 6825, 6826 is at other positions in the body portion 6710 so that the moment of inertia of the golf club head 6700 is increased and / or the position of the center of gravity is optimized. Can be shifted. The devices, methods, and products described herein are not limited to this.

The internal cavity 6810 may include additional recesses that may define a transition region between the first recess 6814 to the fifth recess 6818 and the internal channels 6825, 6826. Each of the recesses may be adjacent to and migrate to any one or several of the other recesses. For example, the first recess 6814 may include an inclined surface 6827 (shown in FIG. 71) that can migrate and connect to a third recess 6816 above the first recess 6814. Further, any of the recesses may be directly migrated to the outer peripheral edge portion 6761. The recesses and transition areas may jointly define the overall shape and / or contour of the internal cavity 6810. The transition area may include a wall that is perpendicular, transverse, or contains to an adjacent recess. Further, the transition region may include rounded corners when joining adjacent recesses to reduce stress concentration at the joined corners. The recess may define a continuous, and / or gradual decrease in the width of the internal cavity 6810 from the central portion 6811 to the outer peripheral edge portion 6761 along the contour. The devices, methods, and products described herein are not limited to this.

The shape, size, width, height, and other characteristics of the recesses 6814-6818 and the internal channels 6825, 6826 can be associated with the loft angle 7045 of the golf club head 6700. In one example, as shown in FIGS. 67-86, the first recess 6814, the second recess 6815, and the third recess 6816 may be filled with the filling material 7012. The filling material 7012 may be injection molded into the first recess 6814, the second recess 6815, and the third recess 6816. The filling material 7012 is a binder that is mixed with the filling material 7012 due to its inherent adhesive or binding properties, and / or another binder, the first recess 6814, the second recess 6815, and It can be coupled to the inner wall 6812 of the third recess 6816. In another example, the filling material 7012 is separately molded into the shape of a first recess 6814, a second recess 6815, and a third recess 6816 and with a binder a first recess 6814, a second recess 6815. , And may be coupled to the third recess 6816. In one example, the rest of the internal cavity 6810, including the fourth recess 6817 and the fifth recess 6818, may not be filled. The devices, methods, and products described herein are not limited to this.

The width of the filling material 7012 may vary from the toe portion 6740 to the heel portion 6750 and / or from the top 6780 to the sole portion 6790 and / or the first recess 6814, depending on its position within the internal cavity 6810. It may vary according to the shape of the second recess 6815, the third recess 6816, the fourth recess 6817, the fifth recess 6818, and / or with the width of any filling material described herein. It may be similar. In one example, as shown in FIGS. 67-86, the filling material 7012 can be a filling insert 7320 having a _{width 7322 (W FI) similar to or slightly larger than the width 6813 of the internal cavity 6810.} Therefore, the filling insert 7320 may extend from the inner wall 6812 of the inner cavity 6810 to the back surface 6766 of the face portion 6762. The filling insert 7320 may include a front surface 7330 and a back surface 7340. The distance between the front surface 7330 and the back surface 7340 may define the width 7322 of the filling insert 7320. The back surface 7340 may be coupled (ie, contacted, engaged, attached, or glued) to the inner wall 6812 of the inner cavity 6810. To provide a continuous or substantially continuous bond between the filling insert 7320 and the inner wall 6812, the back surface 7340 is part of the inner wall 6812 of the inner cavity 6810 to which the filling insert 7320 can be bound. It may have a shape corresponding to or substantially corresponding to the shape. Thus, as shown in FIG. 74, the back surface 7340 has a first recess 6814, a second recess 6815, a third recess 6816, a first internal channel 6825, and a second recess to which the filling insert 7320 can be bonded. It may have a shape corresponding to a part of the internal channel 686 and any inner wall transition portion (ie, the transition region between each recess and / or each channel). To provide a continuous or substantially continuous bond between the filling insert 7320 and the back surface 6766 of the face portion 6762, the front surface 7330 of the filling insert 7320 is shaped like the back surface 6766 of the face portion 6762. It can have a corresponding or substantially corresponding shape. In one example, as shown in FIG. 73, the front surface 7330 of the filling insert 7320 may be flat. In another example (not shown), the front surface 7330 resembles the shape of the back surface of the face portion 6762 to provide a continuous or substantially continuous bond between the filling insert 7320 and the face portion 6762. And / or may have grooves, ridges, channels, slots, dimples, inverted cones, and / or various other shapes that may explain the thickness profile of the face portion 6762. The devices, methods, and products described herein are not limited to this.

The adhesive for binding the filling insert 7320 to the inner wall 6812 of the inner cavity 6810 and the back surface 6766 of the face portion 6762 may be similar to any adhesive or binder described herein. In one example, the adhesive for binding the filling insert 7320 to the inner wall 6812 of the inner cavity 6810 and the back surface 6766 of the face portion 6762 may be similar. In another example, the adhesive for binding the filling insert 7320 to the inner wall 6812 of the inner cavity 6810 and the back surface 6766 of the face portion 6762 may differ as described for the different materials of the body portion 6710 and the face portion 6762. In yet another example, the adhesive for binding the filling insert 7320 to the inner wall 6812 of the inner cavity 6810 and the back surface 6766 of the face portion 6762 may be similar to the second filling material 4213. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIGS. 75-78, another fill insert 7420 with a front surface 7430 and a back surface 7440 may be similar in many respects to the fill insert 7320 described herein. The filling insert 7420 may include an upper slot 7450 which may be U-shaped. Thus, the upper slot 7450 may include a first arm 7452 and a second arm 7454. The first arm 7452 may be coupled to the back surface 6766 of the face portion 6762. The second arm 7454 may be coupled to the inner wall 6812 of the inner cavity 6810. When the face portion 6762 hits the golf ball, the first arm 7452 corresponds to the upper portion of the face portion 6742 so that the upper portion of the face portion 6742 has a greater deflection than the lower portion of the face portion 6762. It can be compressed and flexed toward the arm 7454 of 2. Therefore, the upper portion of the face portion 6762 may exhibit a different ball spin, launch angle, launch speed, and / or ballistic characteristics than the lower portion of the face portion 6762. Further, the filling insert 7420 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 79, another fill insert 7920 with a front surface 7930 and a back surface 7940 may be similar in many respects to the fill insert 7320 described herein. The filling insert 7920 may include a lower slot 7950 that may be U-shaped. Thus, the lower slot 7950 may include a first arm 7952 and a second arm 7954. The first arm 7952 may be coupled or adhered to the back surface 6766 of the face portion 6762 as described herein. The second arm 7954 may be coupled to the inner wall 6812 of the inner cavity 6810 as described herein. When the face portion 6762 hits the golf ball, the first arm 7952 corresponds to the lower portion of the face portion 6742 so that the lower portion of the face portion 6762 has a greater deflection than the upper portion of the face portion 6762. It can be compressed and flexed toward the second arm 7954. Therefore, the lower portion of the face portion 6762 may exhibit a different ball spin, launch angle, launch speed, and / or ballistic characteristics than the upper portion of the face portion 6762. Further, the filling insert 7920 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 80, another fill insert 8020 with a front surface 8030 and a back surface 8040 may be similar in many respects to the fill insert 7320 described herein. The filling insert 8020 may include a front cavity 8050 in the front surface 8030. Thus, the front surface 8030 may include an upper front surface 8031 coupled or adhered to the back surface 6766 of the face portion 6762 and a lower front surface 8032 coupled or adhered to the back surface 6766 of the face portion 6762. As shown in the example of FIG. 80, the front cavity 8050 may have a circular shape. In another example (not shown), the front cavity 8050 may have a non-circular shape. In one example, as shown in FIG. 80, the front cavity 8050 may be behind the central portion of the face portion 6762, which may correspond approximately to the ball striking region of the face portion 6762. When the face portion 6762 hits the golf ball, the central portion of the face portion 6762 may have a greater deflection than the peripheral portion of the face portion 6762. Therefore, the central portion of the face portion 6762 may exhibit a ball spin, launch angle, launch speed, and / or ballistic characteristics different from those of the peripheral portion of the face portion 6762. Further, the filling insert 8020 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 81, another filling insert 8120 having a front surface 8130 and a back surface 8140 may be similar in many respects to the filling insert 7320 described herein. The filling insert 8120 may include an upper slot 8150 and a lower slot 8152 defining a central portion 8153. The central portion 8153 defines a portion of the front surface 8130 that may be coupled or adhered to the back surface 6766 of the face portion 6762. The region of the central portion 8153 coupled or adhered to the face portion 6762 can have any shape such as a circle, a rectangle, or a square. The central portion 8153 may be behind the central portion of the face portion 6762, which may correspond approximately to the ball striking region of the face portion 6762. When the face portion 6762 hits the golf ball, the central portion 8153 of the filling insert 8120 may bend together with the central portion of the face portion 6762. Therefore, the central portion of the face portion 6762 may exhibit a ball spin, launch angle, launch speed, and / or ballistic characteristics different from those of the peripheral portion of the face portion 6762. Further, the filling insert 8120 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 82, another fill insert 8220 with a front surface 8230 and a back surface 8240 may be similar in many respects to the fill insert 7320 described herein. The filling insert 8220 may include a front cavity 8250 in the front 8230. Thus, the front surface 8230 may include an upper front surface 8231 coupled or adhered to the back surface 6766 of the face portion 6762 and a lower front surface 8232 coupled or adhered to the back surface 6766 of the face portion 6762. As shown in the example of FIG. 82, the front cavity 8250 may have a rectangular shape. In another example (not shown), the front cavity 8050 may have a non-rectangular shape. In one example, as shown in FIG. 82, the front cavity 8250 may be behind the central portion of the face portion 6762, which may correspond approximately to the ball striking region of the face portion 6762.
When the face portion 6762 hits the golf ball, the central portion of the face portion 6762 may have a greater deflection than the peripheral portion of the face portion 6762. Therefore, the central portion of the face portion 6762 may exhibit a ball spin, launch angle, launch speed, and / or ballistic characteristics different from those of the peripheral portion of the face portion 6762. Further, the filling insert 8220 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 83, another fill insert 8320 with a front surface 8330 and a back surface 8340 may be similar in many respects to the fill insert 7320 described herein. The filling insert 8320 may have a height 8321 smaller than the height of the filling insert 7320. Thus, the front surface 8330 may be coupled or adhered to a smaller area of the face portion 6762. As a result, the face portion 6762 may exhibit different ball spins, launch angles, launch speeds, and / or ballistic characteristics from the perimeter of the face portion 6762 as compared to a golf club head with a fill insert 7620. Further, the filling insert 8320 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 84, another fill insert 8420 with a front surface 8430 and a back surface 8440 may be similar in many respects to the fill insert 7320 described herein. The filling insert 8420 may have a height 8421 that is smaller than the height of the filling insert 7320 and smaller than the height 8321 of the filling insert 8320. Thus, the front surface 8430 may be coupled or adhered to a smaller area of the face portion 6762. As a result, the face portion 6762 has a ball spin, launch angle, launch speed, which is different from the circumference of the face portion 6762, as compared with a golf club head having a filling insert 7320 or a golf club head having a filling insert 8320. And / or may exhibit ballistic characteristics. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 85, another fill insert 8520 with a front surface 8530 and a back surface 8540 may be similar in many respects to the fill insert 7320 described herein. The front surface 8530 of the filling insert 8520 may be coupled or adhered to the face portion 6762. The back surface 8540 of the filling insert 8520 may not be coupled to the inner wall 6812 of the internal cavity 6810. The filling insert 8520 may have any cross-sectional shape. In the example of FIG. 85, the filling insert 8520 increases linearly or substantially linearly from the top portion 6780 toward the position behind the central portion of the face portion 6762, behind the central portion of the face portion 6762. It may have a width 8623 that decreases linearly from the position towards the sole portion 6790. The face portion 6762 may exhibit different ball spins, launch angles, launch speeds, and / or ballistic properties at different positions of the face portion 6762 corresponding to the cross-sectional shape of the filling insert 8520. Further, the filling insert 8520 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 86, another fill insert 8620 with a front surface 8630 and a back surface 8640 may be similar in many respects to the fill insert 7320 described herein. The front surface 8630 of the filling insert 8620 may be coupled or adhered to the face portion 6762. The back surface 8640 of the filling insert 8620 may not be coupled to the inner wall 6812 of the internal cavity 6810. The filling insert 8620 may have any cross-sectional shape. In the example of FIG. 86, the filling insert 8620 increases in a curved manner or path from the top portion 6780 toward the position behind the central portion of the face portion 6762, and from the position behind the central portion of the face portion 6762 to the sole. It may have a width 8623 that diminishes in a manner or path curved towards portion 6790. The face portion 6762 may exhibit different ball spins, launch angles, launch velocities, and / or ballistic properties corresponding to the cross-sectional shape of the fill insert 8620. Further, the filling insert 8620 can absorb the impact, block the vibration and / or attenuate the noise when the face portion 6762 hits the golf ball. The devices, methods, and products described herein are not limited to this.

In one example (not shown), the internal cavity 6810 can be completely filled with the filling material 7012. In another example, as shown in FIGS. 67-86, the internal cavity 6810 may be partially filled with the filling material 7012 and the rest of the internal cavity 6810 may not be filled. In another example, the rest of the internal cavity 6810 may be filled with another filling material that may be similar to any filling material described herein. The devices, methods, and products described herein are not limited to this.

In one example, the cross-sectional shape of any filling insert shown in FIGS. 67-86 may extend over the entire distance within the internal cavity 6810 between the toe portion 6740 and the heel portion 6750. In another example, the cross-sectional shape of the filling insert may extend along one or more portions of the distance within the internal cavity 6810 between the toe portion 6740 and the heel portion 6750. In another example, the cross-sectional shape of the filling insert may extend along the central portion of the face portion 6762 or a portion of the internal cavity 6810 behind the ball striking region. In yet another example, the cross-sectional shape of the filling insert may extend to the central portion of the internal cavity 6810 according to one of the configurations described herein, and the filling insertion in the other portion of the internal cavity 6810. The cross-sectional shape of the object may be configured according to one or more of the other cross-sectional configurations of the filling inserts described herein. The devices, methods, and products described herein are not limited to this.

Any filling insert described herein may be attached or coupled to the inner wall 6812 of the internal cavity 6810 by any adhesive or binder described herein. In another example, one or more portions of the internal cavity 6810 not occupied by the filling material 8020 may be filled with any filling material described herein. In another example, the internal cavity 6810 may contain only filling inserts, as described herein. In yet another example, the internal cavity 6810 may be partially or completely filled with any of the filling materials described herein. The devices, methods, and products described herein are not limited to this.

FIG. 87 shows one of the methods of manufacturing a golf club head 6700 or any golf club head described herein. In the example of FIG. 87, process 8700 may be initiated by feeding the body portion 6710 and face portion 6762 of the golf club head 6700 (block 8710). The filling insert 7320 can be formed by injection molding the filling material 7012 into a mold configured to produce the filling insert 7320 as described herein (block 8720). For example, the interior of the mold may include a portion corresponding to the shape of the portion of the internal cavity 6810 to which the filling insert 7320 can be bonded, as described herein. The filling insert 7320 can then be attached to the inner wall 6812 of the inner cavity 6810 as described herein (block 8730). The face portion 6762 may then be attached to the body portion 6710 described herein to seal the internal cavity 6810 (block 8740). In one example, prior to attaching the face portion 6762 to the body portion 6710, an adhesive or binder may be applied to the portion of the back surface 6766 of the face portion 6762 that binds to the filling insert 7320. In another example, the filling insert 7320 may be engaged to the back surface 6766 of the face portion 6762 without the use of adhesive or binder. Alternatively, the filling insert 7320 may be attached to the back surface 6766 of the face portion 6762 (block 8730). In one example, prior to attaching the face portion 6762 to the body portion 6710, an adhesive or binder may be applied to the portion of the inner wall 6812 of the inner cavity 6810 that binds to the filling insert 7320. In another example, the filling insert 7320 may be engaged to the inner wall 6812 of the inner cavity 6810 without the use of glue or binder. After the face portion 6762 is attached to the body portion 6710, the filling insert 7320 may be slightly compressed between the inner wall 6812 of the inner cavity 6810 and the back surface 6766 of the face portion 6762. Slight compression of the fill insert 7320 maintains the fill insert 7320 engaged to the inner wall 6812 of the inner cavity 6810 and / or the back surface 6766 of the face portion 6762 with or without the use of adhesive or binder. Can help. The devices, methods, and products described herein are not limited to this.

In one example, as shown in FIG. 88, the face portion 8862 may have a first thickness 8810 (T1) or a second thickness 8820 (T2). The first thickness 8810 can be the thickness of the cross section of the face portion 8862 adjacent to the groove 8868, while the second thickness 8820 is the thickness of the cross section of the lower face portion 8862 of the groove 8868. possible. For example, the first thickness 8810 can be the maximum distance between the front 8864 and the back 8866. The second thickness 8820 may be based on the groove 8868. In particular, the groove 8868 may have a groove depth of 8825 (Dgroove). The second thickness 8820 can be the maximum distance between the bottom of the groove 8868 and the back surface 8866. The sum of the second thickness 8820 and the groove depth 8825 may be substantially equal to the first thickness 8810 (eg, T2 + Dgroove = T1). Therefore, the second thickness 8820 may be smaller than the first thickness 8810 (eg, T2 <T1).

In order to lower and / or move the CG of a golf club head, such as the CG of any golf club head described herein, the mass of the front portion of the golf club head is a relatively thin face portion 8862. Can be removed by use. For example, the first thickness 8810 or the second thickness 8820 can be about 0.1 inches (2.54 millimeters) or less. In another example, the first thickness 8810 or the second thickness 8820 can be about 0.075 inches (1.875 mm (eg, T1 = 0.075 inches). Golf club head backlight. By supporting the portion to form an internal cavity and filling at least a portion of the internal cavity with one or more of the filling materials described herein, the face portion 8862 is structurally complete of the golf club head. It can be made relatively thin without degrading sex, sound, and / or feel (eg, T1 <0.075 inches). In one example, the first thickness 8810 is 0.060 inches (1.524 mm). It can be less than or equal to (eg, T1 ≦ 0.060 inch). In another example, the first thickness 8810 can be less than or equal to 0.040 inch (1.016 mm) (eg, T1 ≦ 0.040). Inches). Based on the type of material used to form the face 8862 and / or the body 110, the face 8862 may be even thinner, with a first thickness of 8810 of 0.030 inches (0.762). It can be less than or equal to (eg, T1 ≤ 0.030 inch). The groove depth 8825 can be greater than or equal to the second thickness 8820 (eg, Dgroove ≥ T2). In one example, the groove depth 8825. Can be about 0.020 inches (0.508 mm) (eg, Dgroove = 0.020 inches), so a second thickness 8820 is about 0.010 inches (0.254 mm). Obtain (eg, T2 = 0.010 inches). In another example, the groove depth 8825 may be about 0.015 inches (0.381 millimeters) and the second thickness 8820 is about. It may be 0.015 inches (eg, Dgroove = T2 = 0.015 inches), or the groove depth 8825 may be less than the second thickness 8820 (eg, Dgroove <T2). Without one or more filling materials used to support the back wall of the golf club head and fill the internal cavity, the golf club head cannot withstand multiple impacts on the golf ball by the face. It is possible. In contrast, a golf club head (eg, a cavity back golf) that has a relatively thin face but no back wall support and support for one or more of the filling materials described herein. The club head) makes an unpleasant noise during a collision with a golf ball (eg) For example, a cheesy sound) and / or a feel can be produced. The devices, methods, and products described herein are not limited to this.

Based on the manufacturing process and method used to form a golf club head, such as any golf club head described herein, the face portion 8862 comprises additional material at or near the outer periphery of the face portion 8862. obtain. Therefore, the face portion 8862 may also have a third thickness 8830 and a chamfered portion 8840. The third thickness 8830 may be larger than either the first thickness 8810 or the second thickness 8820 (eg, T3> T1> T2). In particular, the face portion 8862 may be coupled to the body portion of the golf club head by a welding process. For example, the first thickness 8810 may be about 0.030 inches (0.762 millimeters) and the second thickness 8820 may be about 0.015 inches (0.381 millimeters). Often, the third thickness 8830 may be about 0.050 inches (1.27 millimeters). Thus, the chamfered portion 8840 may accommodate some of the additional material when the face portion 8862 is welded to the body portion of the golf club head.

As shown in FIG. 89, for example, the face portion 8862 may include a reinforcing section, generally indicated as 8905, underneath one or more grooves 8868. In one example, the face portion 8862 may include a reinforcing section 8905 below each groove. Alternatively, the face portion 8862 may include a reinforcing section 8905 below several grooves (eg, every other groove) or below only one groove. The face portion 8862 may include a first thickness 8910, a second thickness 8920, a third thickness 8930, and a chamfered portion 8940. Groove 8868 may have a groove depth of 8925. The reinforcement section 8905 may define a second thickness 8920. The first thickness 8910 and the second thickness 8920 may each be substantially equal to each other (eg, T1 = T2). In one example, the first thickness 8910 and the second thickness 8920 can be about 0.030 inches (0.762 millimeters), respectively (eg, T1 = T2 = 0.030 inches). The groove depth 8925 may be about 0.015 inches (0.381 millimeters) and the third thickness 8930 may be about 0.050 inches (1.27 millimeters). Groove 8868 may also have the width of the groove. The width of the reinforcing section 8905 can be greater than or equal to the width of the groove. The devices, methods, and products described herein are not limited to this.

Alternatively, the face portion 8862 may vary in thickness at and / or between the top and sole portions of the golf club head. In one example, the face portion 8862 may have a top portion or its vicinity relatively thicker than the sole portion or its vicinity (for example, the thickness of the face portion 8862 gradually decreases from the top portion toward the sole portion). Can be). In another example, the face portion 8862 may have the sole portion or its vicinity relatively thicker than the top portion or its vicinity (for example, the thickness of the face portion 8862 gradually increases from the sole portion toward the top portion). Can be reduced to). In yet another example, the face portion 8862 may be relatively thicker between the top portion and the sole portion than the top portion and the sole portion or their vicinity (for example, the thickness of the face portion 8862 is bell-shaped). Can have the contour of). The face portion 8862 may be similar to any face portion described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

One or more mass parts of any set of mass parts described herein may have similar or different physical properties (eg, color, mark, shape, size, density, mass, volume, exterior texture, etc.). It may have constituent materials, etc.). Therefore, any set of parts of mass described herein may contribute to the decorative design of a golf club head. In an example as shown in FIG. 90, one or more mass parts of any set of mass parts described herein may have a cylindrical shape (eg, a circular cross section). Alternatively, one or more mass parts of any set of mass parts described herein may have a first shape (eg, a cylindrical shape), while described herein. One or more mass parts of another set of mass parts may have a second shape (eg, the shape of a cube). In another example, one or more mass parts of any set of mass parts described herein may include two or more mass parts having different shapes. In another example, one or more mass parts of any set of mass parts described herein may be with one or more mass parts of another set of mass parts described herein. By comparison, they may have different colors, marks, shapes, densities, masses, volumes, constituent materials, exterior textures, and / or any other physical properties. The properties of any mass or mass set described herein may be similar to any mass or mass set described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

Referring to FIGS. 91 and 92, for example, the first mass portion 9100 and the second mass portion 9200 are respectively on threads configured in the port for fixation to the port described herein. Correspondingly engaged threads may include threads generally represented as 9110, 9210. Accordingly, one or more parts by mass described herein can have the same shape and function as a screw or threaded component that engages a thread in a port. For example, one or more parts by weight of any set of parts by weight described herein can be a screw. One or more mass parts of any set of mass parts described herein may not be easily removable from the body portion of the golf club head with or without tools. Alternatively, one or more parts of any mass described herein may be one or more parts of any mass described herein with a relatively heavy or light mass. It may be easily removable (eg, with a tool) so that multiple mass parts can be replaced. In another example, one or more parts by weight of any set of parts described herein may be secured to the port with epoxy resin or adhesive so that the parts by weight cannot be easily removed. In yet another example, one or more parts of any mass described herein may be a screw and a screw sealant (eg, acrylic adhesive, etc., so that the parts of mass cannot be easily removed. It can be secured to the port with both a cyanoacrylate adhesive, an epoxy resin, a thermoplastic adhesive, a silicone sealant, or a urethane adhesive). In yet another example, one or more mass parts of any set of mass parts described herein may be press-fitted into a port. In yet another example, one or more mass parts of any set of mass parts described herein may be formed inside the port by injection molding. For example, a liquid metal material (ie, molten metal) or a plastic material (eg, rubber, foam, or any polymer material) can be injected or introduced into the port. After the liquid material has been cooled and / or cured in the port, the resulting solid material (eg, metal material, plastic material, or a combination thereof) can form parts by mass. The devices, methods, and products described herein are not limited to this.

As mentioned above, one or more mass parts of any set of mass parts described herein may be similar in some physical properties but different in other physical properties. For example, one mass part may be made of an aluminum-based material or an aluminum alloy, while another mass part may be made of a tungsten-based material or a tungsten alloy. In another example, one mass part may be made from a polymeric material, while another mass part may be made from a steel-based material. In yet another example, as shown in FIGS. 90-92, one or more parts of mass of any set of parts described herein is about 0.25 inches (6.35 mm). Can have a diameter of 9010, but one or more parts by weight of another set of parts described herein can be of different heights. In particular, one or more mass parts of any set of mass parts described herein may be associated with a first height 9120 and of another mass portion described herein. One or more parts by weight of the set may be associated with a second height 9220. The first height 9120 may be relatively smaller than the second height 9220. In one example, the first height 9120 can be about 0.125 inches (3.175 millimeters), while the second height 9220 can be about 0.3 inches (7.62 millimeters). In another example, the first height 9120 can be about 0.16 inches (4.064 millimeters), while the second height 9220 can be about 0.4 inches (10.16 millimeters). .. Alternatively, the first height 9120 can be greater than or equal to the second height 9220. Although the above examples illustrate specific dimensions, one or more parts by weight described herein can have different dimensions. In one example, any parts by weight described herein may be used interchangeably at any port described herein. Any property of any mass part described herein may be similar to the corresponding property of any mass part described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

The devices, methods, and products described herein may include one or more club identifiers (eg, serial numbers, matrix barcodes, trademarks, club numbers, loft angles, letters, etc.). For example, any golf club head described herein may include a visual identifier, such as a club number, for identifying the type of golf club head. In particular, the club number may correspond to the loft angle of the golf club head (eg, 3, 4, 5, 6, 7, 8, or 9). In one example, a 7 iron golf club head may be marked with a "7". In another example, the golf club head may be marked with a loft angle. For example, a 54 degree wedge golf club head may be marked with "54". In yet another example, a 10.5 degree driver golf club head may be marked with "10.5". Any mark associated with the club identifier can be visually distinguished from the rest of the golf club head (eg, different colors, textures, patterns, etc.). To distinguish it from other golf club heads, the golf club heads described herein are trademarks that identify the brand name or model of the golf club (eg, distinguish it from other manufacturers or distributors). Can include (eg, words, names, symbols, patterns, or any combination thereof). A club identifier is another type of visual, such as a product number or serial number, to identify a golf club as genuine equipment, to track inventory, or to distinguish a golf club from counterfeit or counterfeit products. It can be an identifier. Alternatively, the club identifier can be a digital signature or machine-readable optical representation of information or data about the golf club head (eg, numbers, alphanumericals, bytes, one-dimensional barcodes such as the Universal Product Code (UPC), QR. (Quick Response) Two-dimensional barcodes such as codes). The club identifier can be used in various positions (eg, heel, hosel, face) of the golf club head using different methods (eg, painting, laser etching, stamping, casting, or molding of the golf club head). , Top part, sole part, etc.). For example, the club identifier can be a laser-etched serial number on the hosel portion of the golf club head. Instead of a portion integral with the golf club head, the club identifier can be a separate component bonded to the golf club head (eg, a label glued via an adhesive or epoxy resin). The devices, methods, and products described herein are not limited to this.

Similar but different loft configurations as the golf club head 5400 (ie, 4 irons, 7 irons, pitching wedges) to determine the effect of the use of different filling materials on the repulsion coefficient (COR) and performance of the golf club head 5400. And several golf clubs with golf club heads with different filling materials were tested to obtain the COR, ball speed, ball launch angle, backspin, peak height, and carry distance for each golf club. To measure the COR of each golf club, an air cannon device is used to weigh about 45 grams at an initial velocity (ie, inbound velocity) of about 125 mph towards the center position of the golf club head (defined below). Fired the golf ball multiple times. Each time the test was repeated, a speed monitoring device was used to measure the outbound speed (mph) and rebound time of the golf ball in milliseconds (ms). After that, the average COR of the golf club head was determined from the measured data. To measure the ball speed, ball launch angle, backspin, peak height, and carry distance of each golf club, each of the golf club examples is performed multiple times at each of the five positions on the face of the golf club head. Tested with a swing robot manufactured by Golf Laboratories in San Diego, California, hitting golf balls with an average golf club head speed of 84 mph to 86 mph each, average ball speed (mph), average ball launch angle (radian), average ball back. Spin (rpm), average ball peak height (yards), and average total carry distance (yards) were determined. The five positions of the face portion are the center position, the toe position, the heel position, the low position, and the high position. The center position was determined as the position on the face where the golf ball is generally struck by an individual. In other words, the central position is statistically the most hit by the ball (eg, above 75%). The center position is 0.75 inches or about 0.75 inches from the bottom of the face, taking into account the actual ball striking area of the face by the swing robot and / or variation and / or approximation depending on the measurement tolerance. It was determined to be the center of the corresponding groove. The toe position and heel position are 0.5 in each of the toe direction and the heel direction from the center position in consideration of the fluctuation and / or approximation according to the actual ball striking area and / or the measurement tolerance of the face portion by the swing robot. Determined as inches or about 0.5 inches. The high position and low position are 0.25 in the upward and downward directions from the center position, taking into consideration the fluctuation and / or approximation according to the actual ball striking area and / or the measurement tolerance of the face portion by the swing robot. Determined as inches or about 0.25 inches. The devices, methods, and products described herein are not limited to this.

Tables 5-10 show the experimental performance results of three embodiments of a 4 iron golf club with a golf club head configured according to the apparatus, method, and product described herein for the golf club head 5400. Shown, each embodiment has a different filling material. The golf club head 5491 (not shown) of Example 1 is a TPE having properties similar to or similar to any thermoplastic elastomer (TPE) material described in any of the applications described herein or incorporated by reference. It is similar to the golf club head 5400 with a 4-iron configuration, except that the golf club head 5491 is filled with the filling material. The golf club head 5492 (not shown) of Example 2 is an epoxy material having similar or similar properties to any epoxy material described in any of the applications described or incorporated herein by reference. It is similar to a golf club head 5400 with a 4-iron configuration, except that it is filled with 5492. The golf club head 5493 of Example 3 is similar to a golf club head 5400 with a 4-iron configuration and is filled with a first filling material 5712 and a second filling material 5714 as described herein. There is. Therefore, the golf club heads 5491, 5492, 5494 of the three examples are all structurally similar except for the difference in their filling materials.

Referring to Table 5, the golf club head 5494 has a higher COR for hitting at the center of the face than the golf club heads 5491 and 5492. Therefore, as shown in Table 6, a higher COR provides a higher ball velocity than the golf club heads 5491, 5492 at the center position. In particular, at the central position, the increase in the ball speed of the golf club head 5494 with respect to the golf club head 5492 is close to 0.5 mph, and the increase in the ball speed of the golf club head 5494 with respect to the golf club head 5491 is larger than 1 mph and close to 1.5 mph. .. Referring to Table 10, an increase in ball velocity at the center of the golf club head 5494 relative to the golf club heads 5491, 5492 provides a larger total carry distance of the golf club head 5494. In particular, at the central position, the increase in carry distance of the golf club head 5494 with respect to the golf club head 5492 exceeds 1 yard, and the increase in carry distance of the golf club head 5494 with respect to the golf club head 5491 is 1.5 yards. As described herein, the central position of the face portion may represent the statistically highest striking area of the face portion. In other words, many individuals may hit a golf ball at or near the center position. Thus, the golf club head 5493 described in detail herein (eg, filled with each of the first filling material 5712 and the second filling material 5714) is similar to the golf club head 5400 but is a TPE material. Improved performance for all face center strikes compared to golf club heads filled with another filling material such as (eg golf club head 5491) or epoxy material (eg golf club head 5492). offer. Further, the ball velocity and carry distance of the golf club head 5494 at the heel, toe, and high face positions is greater than the ball velocity and carry distance of the golf club heads 5491, 5492, respectively, at the same position. Thus, the golf club head 5493 described in detail herein (eg, filled with each of the first filling material 5712 and the second filling material 5714) is similar to the golf club head 5400 but is a TPE material. It provides overall improved performance as compared to a golf club head filled with another filling material (eg, golf club head 5491) or an epoxy material (eg, golf club head 5492).

Tables 11 to 16 show the experimental performance results of three embodiments of a 7 iron golf club with a golf club head configured according to the apparatus, method, and product described herein for the golf club head 5400. Shown, each embodiment has a different filling material. The golf club head 5591 (not shown) of Example 4 has properties similar to or similar to any thermoplastic elastomer (TPE) material described in any of the applications described herein or incorporated by reference. It is similar to the golf club head 5400 with a 7 iron configuration, except that the golf club head 5591 is filled with the filling material. The golf club head 5592 (not shown) of Example 5 is an epoxy material having similar or similar properties to any epoxy material described in any of the applications described or incorporated herein by reference. It is similar to a golf club head 5400 with a 7 iron configuration, except that it is filled with 5592. The golf club head 5593 of Example 6 is similar to a golf club head 5400 with a 7 iron configuration and is filled with a first filling material 5712 and a second filling material 5714 as described herein. There is. Therefore, the golf club heads 5591, 5592, 5593 of the three embodiments are all structurally similar except for the difference in their filling materials.

Referring to Table 11, the golf club head 5593 has a higher COR for hitting at the center of the face than the golf club heads 5591 and 5592. Therefore, as shown in Table 12, the golf club head 5593 provides a higher ball velocity than the golf club heads 5591, 5592 at the center position. In particular, at the central position, the increase in ball speed of the golf club head 5593 with respect to the golf club head 5591 is close to 1 mph, and the increase in ball speed of the golf club head 5595 with respect to the golf club head 5592 is greater than 1 mph. Referring to Table 16, the increase in ball velocity at the center of the golf club head 5595 provides a larger total carry distance of the golf club head 5595 compared to the golf club heads 5591, 5592. In particular, at the central position, the increase in the carry distance of the golf club head 5593 with respect to the golf club head 5591 is 1 yard, and the increase in the carry distance of the golf club head 5595 with respect to the golf club head 5592 exceeds 3 yards. As described herein, the central position of the face portion may represent the statistically highest striking area of the face portion. In other words, many individuals may hit a golf ball at or near the center position. Thus, the golf club head 5593 described in detail herein (eg, filled with each of the first filling material 5712 and the second filling material 5714) is similar to the golf club head 5400 but is a TPE material. Improved performance for all face center strikes compared to golf club heads filled with another filling material (eg golf club head 5591) or epoxy material (eg golf club head 5592). offer.

Tables 17-22 show the experimental performance of three embodiments of a pitching wedge (PW) golf club with a golf club head configured according to the apparatus, method, and product described herein for the golf club head 5400. Showing results, each example has a different filling material. The golf club head 5691 (not shown) of Example 7 has properties similar to or similar to any thermoplastic elastomer (TPE) material described in any of the applications described herein or incorporated by reference. It is similar to the golf club head 5400 in PW configuration, except that the golf club head 5691 is filled with the filling material. The golf club head 5692 (not shown) of Example 8 is an epoxy material having similar or similar properties to any epoxy material described in any of the applications described or incorporated herein by reference. It is similar to the golf club head 5400 in PW configuration, except that it is filled with 5692. The golf club head 5693 of Example 9 is similar to the golf club head 5400 in PW configuration and is filled with a first filling material 5712 and a second filling material 5714 as described herein. Therefore, the golf club heads 5691, 5692, 5693 of the three examples are all structurally similar except for the difference in their filling materials.

Referring to Table 17, the golf club head 5693 has a higher COR for hitting at the center of the face than the golf club heads 5691 and 5692. Therefore, as shown in Table 18, the golf club head 5692 provides a higher ball velocity than the golf club heads 5691, 5692 in the central position. In particular, at the central position, the increase in ball speed of the golf club head 5693 with respect to the golf club head 5691 exceeds 1 mph, and the increase in ball speed of the golf club head 5693 with respect to the golf club head 5692 is approximately 0.5 mph. Referring to Table 22, the increase in ball velocity at the center of the golf club head 5693 provides a larger total carry distance of the golf club head 5693 as compared to the golf club heads 5691, 5692. In particular, at the central position, the increase in carry distance of the golf club head 5693 with respect to the golf club head 5691 is approximately 2 yards, and the increase in carry distance of the golf club head 5693 with respect to the golf club head 5692 is approximately 0.5 yards. As described herein, the central position of the face portion may represent the statistically highest striking area of the face portion. In other words, many individuals may hit a golf ball at or near the center position. Thus, the golf club head 5693 described in detail herein (eg, filled with each of the first filling material 5712 and the second filling material 5713) is similar to the golf club head 5400 but is a TPE material. Improved performance for all face center strikes compared to golf club heads filled with another filling material (eg golf club head 5691) or epoxy material (eg golf club head 5692). offer. Further, the ball velocity and carry distance of the golf club head 5693 at the heel, toe, high, and low face positions is greater than the ball velocity and carry distance of the golf club heads 5691, 5692, respectively, at the same position. Thus, the golf club head 5693 described in detail herein (eg, filled with each of the first filling material 5712 and the second filling material 5713) is similar to the golf club head 5400 but is a TPE material. It provides overall improved performance as compared to a golf club head filled with another filling material (eg, golf club head 5691) or an epoxy material (eg, golf club head 5692).

In one example, the deviation of the center position of the face portion 5462 of the golf club heads 5592, 5591 in response to the impact of the golf ball is numerically determined using finite element analysis (FEA). The numerically modeled collision is between a two-part golf ball (USGA Bridgestone calibration ball) moving at 38 m / s (85 mph) and each of the golf club heads 5592 and 5595 in a fixed position, golf. Each of the club heads 5592 and 5593 has a face thickness of about 0.059 inch (1.5 mm). The FEA results are shown in Table 23, taking into account substantially the same force (ie, approximately the same deformation shape of the golf ball) with minimal face deflection.

As shown in Table 23, the time from when the golf ball collides with the face portion 5462 to reach the measured maximum face center deflection and the rebound time of the face portion 5462 (that is, from the maximum deflection to reaching substantially zero deflection). Time) is substantially the same for both golf club heads 5592 and 5593. However, as shown in Table 23, the maximum deflection of the face portion 5462 of the golf club head 5593 is approximately twice the maximum deflection of the face portion 5462 of the golf club head 5593 for approximately the same maximum deflection and rebound time interval. be. Therefore, the relatively large deflection of the face portion 5462 of the golf club head 5595 and subsequent rebound (ie, higher face rebound speed) at the same time interval as the golf club head 5592 will result in greater transfer of rebound energy to the golf ball. Provide the golf ball speed and carry distance increase described herein in the golf club head 5591. The devices, methods, and products described herein are not limited to this.

The body and / or face of any golf club head described herein is
Steel-based materials (eg, 17-4PH stainless steel, Japanese® 50 stainless steel, alloy steel 8620, maraging steel, or other types of stainless steel), titanium-based materials, aluminum-based materials (eg, high-strength aluminum). Alloys, or composite aluminum alloys coated with high-strength alloys), any combination thereof, non-metallic materials, composite materials, and / or other suitable types of materials, may be partially or completely made. The body and / or face may be made of any material similar to any body and / or face described in any of the applications described herein or incorporated by reference. The devices, methods, and products described herein are not limited to this.

In one example, the front of the area of the face portion of any golf club head described herein may be 330 mm ² or more 5000 mm ² or less. In another example, the front of the area of the face portion of any golf club head described herein may be 1000 mm ² or more 5300Mm ² or less. In yet another example, the front of the area of the face portion of any golf club head described herein may be 1500 mm ² or more 4800 mm ² or less. The above example illustrates a particular area, but the frontal area may be greater or less than their number. The devices, methods, and products described herein are not limited to this.

In one example, the filling material is an elastic polymer or elastomeric material that can absorb shocks, separate vibrations, and / or attenuate noise (eg, viscoelastic material such as Sorbothane® material from Sorbothane, Kent, Ohio). It may include (urethane polymer material), thermoplastic elastomer material (TPE), thermoplastic polyurethane material (TPU), other polymer materials, binders (eg, adhesives), and / or other suitable types of materials. In another example, the filling material can be one or more thermosetting polymers with binding properties (eg, one or more adhesives or epoxy materials). The material may also absorb impacts, separate vibrations, and / or attenuate noise when hitting a golf ball with the golf club heads described herein. Further, the filling material may be an epoxy material that may be flexible or slightly flexible when cured. In another example, the filling material is a 3M ^TM Scotch-Weld ^TM DP100 family of epoxy adhesives from ^{3M Corporation in St. Paul, Minnesota (eg, 3M TM} Scotch-Weld ^TM Epoxy Adhesives DP100, DP100 Plus, DP100NS, DP100FR) may be included. In another example, the filling material may include a 3M ^TM Scotch-Weld ^TM DP100 Plus Clear adhesive. In another example, the filling material is with a low viscosity organic solvent type solution and / or polymer such as ^{MEGUM TM} , ROBOND ^TM , and / or THIXON ^TM , which are materials manufactured by Dow Chemical Company, Auburn Hills, Michigan. It may contain dispersions of other reactive chemicals. In yet another example, the filling material may be Loctite® from Henkel Corporation, Rocky Hill, Connecticut. In another example, the filling material may be a polymeric material, such as an ethylene copolymer, that can absorb impact, separate vibrations, and / or attenuate noise when hitting a golf ball with a golf club head. .. In another example, the filling material comprises a high density ethylene copolymer ionomer, a fatty acid modified ethylene copolymer ionomer, a highly amorphous ethylene copolymer ionomer, an ethylenic acid acrylate ternary copolymer ionomer, a magnesium ionomer. Ethylene copolymers, injection-moldable ethylene copolymers used in conventional injection-molding equipment that produce various shapes, ethylene copolymers that can be used in conventional extruders that produce various shapes, thermosetting polybutadiene rubber Highly compressible and low resilience ethylene copolymer similar to, and / or a mixture of highly neutralized polymer compositions, highly neutralized acid polymers, or highly neutralized acid polymer compositions. It can be an object and a filler. For example, ethylene copolymers are available from E. coli in Wilmington, Delaware. I. of du Pont de Nemours and Company, Inc., related to DuPont ^TM performance resin (HPF) family material ^{(e.g., DuPont TM HPF AD1172, DuPont TM} HPF AD1035, DuPont ( TM) HPF 1000, and DuPont ^TM HPF 2000) It may contain any ethylene copolymer. The DuPont ^TM family of ethylene copolymers can use conventional injection molding equipment and molds that are injection moldable and offer low compressibility and high restitution, ie, a relatively high coefficient of restitution (COR). .. The instruments, methods, and products described herein are not limited to this. Filling materials not described in particular detail herein may include one or more similar or different types of materials described in any of the applications herein and incorporated by reference. The instruments, methods, and products described herein are not limited to this.

Any filling material described herein may be subjected to different processes during the manufacture of any golf club head described herein. Such processes include one or more filling materials that are heated and / or cooled by conduction, convection, and / or heat dissipation during one or more injection molding processes or post-injection curing processes. Can include. For example, all heating and cooling processes are performed using a heating or cooling system that uses a conveyor belt to move the golf club heads described herein through the heating or cooling environment for the period described herein. Can be done. The process of manufacturing a golf club head with one or more filling materials can be similar to any process described in any of the applications incorporated by reference. The devices, methods, and products described herein are not limited to this.

Any golf club head described herein can be manufactured by casting from a metal such as steel. However, other techniques for manufacturing golf club heads described herein may be used, such as 3D printing or molding of golf club heads from non-metallic materials such as metal or ceramic.

All of the methods described herein may be performed in any suitable order, unless otherwise indicated herein or apparently inconsistent with the context. Although actions in a particular order are described herein for one or more processes, these actions may also be performed in other chronological order. Moreover, two or more actions in any of the processes described herein can be performed consecutively, simultaneously or simultaneously.

For example, the procedure specified by golf standards bodies and / or governing bodies such as the United States Golf Association (USGA) and / or the United States Golf Association (R & A) is the club head of any golf club head described herein. Can be used to measure volume. For example, the club head volume can be determined using a weighted water substitution method (ie Archimedes' principle). The figure shows a particular type of club head (eg, a driver-based club head or an iron-based club head), while the devices, methods, and products described herein refer to other types of club heads (eg, fairways). It may be applicable to wood type club heads, hybrid type club heads, putter type club heads, etc.). Accordingly, any golf club head described herein may have a volume within the volume range corresponding to a particular type of golf club head as defined by the golf operating organization. The driver-based club head may have a club head volume of ^{300 cubic centimeters (cm 3 or cc) or more.} In another example, the driver club head may have a club head volume of 460 cc. The fairway wood golf club head can have a club head volume between 100 cc and 300 cc. In one example, a fairway wood golf club head may have a club head volume of 180 cc. Iron-based golf club heads can have a club head volume between 25 cc and 100 cc. In one example, an iron golf club head may have a club head volume of 50 cc. Any of the golf clubs described herein may have the physical properties of a particular type of golf club (ie, driver, fairway wood, iron, etc.), but with a volume outside the above range. May be good. The devices, methods, and products described herein are not limited to this.

Golf rules may change from time to time (eg, the United States Golf Association (USGA), the British Golf Association (R & A)) and other golf standards bodies and / or governing bodies may adopt new rules or abolish old rules. As it is subject to change), the golf equipment associated with the equipment, methods and products described herein may or may not comply with the rules of golf at any particular time point. Accordingly, golf equipment related to the devices, methods, and products described herein may be advertised, marketed, and / or sold as compliant or non-compliant golf equipment. The devices, methods, and products described herein are not limited to this.

Although the above examples describe iron or wedge golf club heads, the devices, methods, and products described herein refer to other types of club heads (eg, driver club heads, fairway woods). It may be applicable to a system club head, a hybrid system club head, a putter system club head, etc.). Further, although the above examples describe steel-based materials, the devices, methods, and products described herein may be applicable to other types of metallic, non-metallic, or both. obtain.

The range of values listed herein is only intended to be presented as a simple way to refer to each distinct value within the range individually. Unless otherwise indicated herein, individual values are incorporated herein as if they were individually listed herein. Numerical ranges defined using the word "between" include the numbers at both ends of the numerical range. A spatial range defined using the word "between" includes any point within the spatial range and the boundaries of the spatial range. Positions represented for two separated or overlapping elements using the word "between" are (i) any space between the elements, (ii) part of each element, (iii). Includes boundaries for each element.

The terms "a," "an," and / or "the" used in context to describe various embodiments of the present disclosure are not otherwise indicated herein or are clearly inconsistent with the context. Unless otherwise, it should be understood to cover both the singular and the plural. The term "coupled" and any variation thereof refer to the direct or indirect connection of two or more elements chemically, mechanically, and / or otherwise. The phrase "removably connected" is defined so that two "removably connected" elements can be separated from each other without destroying or compromising the usefulness of either element. To.

The term "substantially", when used to describe a feature, parameter, characteristic, or value of an element, impairs the feature, parameter, characteristic, or value that the element intends to provide. Can represent no deviation or variation. Deviations or variations in element characteristics, parameters, characteristics, or values can be based on, for example, margins of error, measurement errors, measurement accuracy limits, and other factors. The term "proximate" is synonymous with terms such as "adjacent", "close", "immediate", and "nearby". It may be used interchangeably as it appears in this disclosure.

The use of any and all examples or exemplary language provided herein (eg, "such as (etc.)" is for illustration purposes only and does not limit the scope of this disclosure. No. No wording herein should be understood as indicating an unclaimed element that is essential to the implementation of the embodiments discussed herein. The devices, methods, and devices described herein. The product can be realized in various embodiments, and some of the above description of these embodiments does not necessarily represent a complete description of all possible embodiments. Instead, the description of the drawings. , And the drawings themselves may disclose at least one embodiment, and may disclose alternative embodiments.

The grouping of alternative elements or embodiments disclosed herein should not be understood as a limitation. Each group element may be referenced or claimed individually or in any combination with other elements of the group or other elements described herein. One or more elements of a group may be included in the group or removed from the group for convenience and / or patentability reasons. In the event of such inclusion or deletion, the specification is deemed to include modified groups and thus the description of all Markush groups used in the appended claims is satisfied.

Although different features or embodiments of an embodiment may be described with respect to one or more features, a single feature may include multiple elements and the plurality of features as one element without departing from the scope of the present disclosure. Can be combined with. Further, although the method may be disclosed as comprising one or more operations, a single operation may include multiple steps, combining the multiple operations into one step without departing from the scope of the present disclosure. be able to.

Specific exemplary devices, methods, and products have been described herein, but the scope of this disclosure is not limited thereto. On the contrary, the present disclosure covers all devices, methods, and products that fall within the claims, literally or under the doctrine of equivalents.

Claims (25)

A body part with an internal cavity and a front part,
A face portion attached to the front portion of the body portion and sealing the internal cavity, and a face portion.
A first filling material bonded to a part of the inner wall of the body portion,
A second filling material located between the first filling material and the face portion and bonded to the face portion.
It is a golf club head equipped with
The first filling material has a higher coefficient of restitution (COR) than the second filling material.
The second filling material has higher rigidity than the first filling material.
COR of the golf club head is state, and are 0.82 or more,
The volume of the first filling material is 5% or more of the volume of the body portion and 20% or less of the volume of the body portion.
The volume of the first filling material is 20% or more of the volume of the internal cavity and 45% or less of the volume of the internal cavity.
The mass of the first filling material is 1.0% or more of the mass of the body portion and 3.5% or less of the mass of the body portion.
A golf club head characterized in that the mass of the second filling material is 2.5% or more of the mass of the body portion and 8.5% or less of the mass of the body portion. In the golf club head according to claim 1,
The first filling material is formed as an insert before the face portion is attached to the body portion, and is coupled to the part of the inner wall of the body portion to fill a part of the internal cavity.
The golf club head, characterized in that the second filling material is injected into the internal cavity to fill the rest of the internal cavity. In the golf club head according to claim 1,
The first filling material is a golf club head, which is a rubber-based compound. In the golf club head according to claim 1,
The golf club head, wherein the second filling material is an epoxy-based material. In the golf club head according to claim 1,
The body portion includes a plurality of recesses defining the internal cavity.
The central recess of the plurality of recesses includes the maximum width of the internal cavity.
A golf club head, characterized in that all or a significant portion of the first filling material is located in the central recess. In the golf club head according to claim 1,
The body portion includes a plurality of recesses defining the internal cavity.
The width of the internal cavity is reduced from the central recess of the plurality of recesses to one or more recesses of the plurality of recesses adjacent to the outer peripheral edge of the body portion.
A golf club head, characterized in that all or a significant portion of the first filling material is located in the central recess. In the golf club head according to claim 1,
A golf club head, characterized in that the total mass of the second filling material in the internal cavity is greater than the total mass of the first filling material in the internal cavity. A body part with an internal cavity and a front part,
A face portion attached to the front portion of the body portion and sealing the internal cavity, and a face portion.
A first filling material bonded to a part of the inner wall of the body portion,
A second filling material located between the first filling material and the face portion and bonded to the face portion.
It is a golf club head equipped with
The second filling material has higher rigidity than the first filling material.
The volume of the first filling material is 5% or more of the volume of the body portion and 20% or less of the volume of the body portion.
The volume of the first filling material is 20% or more of the volume of the internal cavity and 45% or less of the volume of the internal cavity.
The mass of the first filling material is 1.0% or more of the mass of the body portion and 3.5% or less of the mass of the body portion.
A golf club head characterized in that the mass of the second filling material is 2.5% or more of the mass of the body portion and 8.5% or less of the mass of the body portion. In the golf club head according to claim 8.
The first filling material is formed as an insert before the face portion is attached to the body portion, and is coupled to the part of the inner wall of the body portion to fill a part of the internal cavity.
The golf club head, characterized in that the second filling material is injected into the internal cavity to fill the rest of the internal cavity. In the golf club head according to claim 8.
The first filling material is a rubber-based compound and is
The golf club head, wherein the second filling material is an epoxy-based material. In the golf club head according to claim 8.
The first filling material is a golf club head characterized by having a coefficient of restitution (COR) larger than that of the second filling material. In the golf club head according to claim 8.
The face portion has a thickness of 0.075 inches (1.9 mm) or less and has a thickness of 0.075 inches (1.9 mm) or less.
The central portion of the face portion has a maximum deflection of 0.0197 inches (0.5 mm) or more due to a golf ball colliding with the central portion of the face portion at a speed of 85 miles per second (38 m / s). A characteristic golf club head. In the golf club head according to claim 9.
The body portion includes a plurality of recesses defining the internal cavity.
The central recess of the plurality of recesses includes the maximum width of the internal cavity.
A golf club head, characterized in that all or a significant portion of the first filling material is located in the central recess. A body part with an internal cavity and a front part,
A face portion that is attached to the front portion of the body portion and seals the internal cavity, and has a thickness of 0.075 inches (1.9 mm) or less.
When,
A first filling material bonded to a part of the inner wall of the body portion,
A second filling material located between the first filling material and the face portion and bonded to the face portion.
It is a golf club head equipped with
The first filling material is a rubber-based compound and is
The second filling material is an epoxy-based material, and the second filling material has a smaller coefficient of restitution (COR) than the first filling material.
The central portion of the face portion has a maximum deflection of 0.0197 inches (0.5 mm) or more due to a golf ball colliding with the central portion of the face portion at a speed of 85 mph (38 m / s).
A golf club head characterized in that the COR of the golf club head is 0.81 or more. In the golf club head according to claim 14,
The volume of the first filling material is 5% or more of the volume of the body portion and 20% or less of the volume of the body portion.
A golf club head characterized in that the volume of the first filling material is 20% or more of the volume of the internal cavity and 45% or less of the volume of the internal cavity. In the golf club head according to claim 14,
The mass of the first filling material is 1.0% or more of the mass of the body portion and 3.5% or less of the mass of the body portion.
A golf club head characterized in that the mass of the second filling material is 2.5% or more of the mass of the body portion and 8.5% or less of the mass of the body portion. In the golf club head according to claim 14,
The first filling material is formed as an insert before the face portion is attached to the body portion, and is coupled to the part of the inner wall of the body portion to fill a part of the internal cavity.
The golf club head, characterized in that the second filling material is injected into the internal cavity to fill the rest of the internal cavity. In the golf club head according to claim 14,
The second filling material is a golf club head characterized by having higher rigidity than the first filling material. In the golf club head according to claim 14,
The body portion includes a plurality of recesses defining the internal cavity.
The width of the internal cavity is reduced from the central recess of the plurality of recesses to one or more recesses of the plurality of recesses adjacent to the outer peripheral edge portion of the body portion.
A golf club head characterized in that all or a considerable portion of the first filling material is located in the central recess and extends to the outer peripheral edge portion without contacting the face portion. A body part with an internal cavity and a front part,
A face portion attached to the front portion of the body portion and sealing the internal cavity, and a face portion.
A first filling material bonded to a part of the inner wall of the body portion,
A second filling material located between the first filling material and the face portion and bonded to the face portion.
It is a golf club head equipped with
The first filling material has a higher coefficient of restitution (COR) than the second filling material.
The second filling material has higher rigidity than the first filling material.
The COR of the golf club head is 0.82 or more, and the golf club head has a COR of 0.82 or more.
A golf club head, characterized in that the total mass of the second filling material in the internal cavity is greater than the total mass of the first filling material in the internal cavity. In the golf club head according to claim 20,
The first filling material is formed as an insert before the face portion is attached to the body portion, and is coupled to the part of the inner wall of the body portion to fill a part of the internal cavity.
The golf club head, characterized in that the second filling material is injected into the internal cavity to fill the rest of the internal cavity. In the golf club head according to claim 20,
The first filling material is a golf club head, which is a rubber-based compound. In the golf club head according to claim 20,
The golf club head, wherein the second filling material is an epoxy-based material. In the golf club head according to claim 20,
The body portion includes a plurality of recesses defining the internal cavity.
The central recess of the plurality of recesses includes the maximum width of the internal cavity.
A golf club head, characterized in that all or a significant portion of the first filling material is located in the central recess. In the golf club head according to claim 20,
The body portion includes a plurality of recesses defining the internal cavity.
The width of the internal cavity is reduced from the central recess of the plurality of recesses to one or more recesses of the plurality of recesses adjacent to the outer peripheral edge of the body portion.
A golf club head, characterized in that all or a significant portion of the first filling material is located in the central recess.

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