US20170368429A1 - Golf club heads and methods to manufacture golf club heads - Google Patents

Golf club heads and methods to manufacture golf club heads Download PDF

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Publication number
US20170368429A1
US20170368429A1 US15/701,131 US201715701131A US2017368429A1 US 20170368429 A1 US20170368429 A1 US 20170368429A1 US 201715701131 A US201715701131 A US 201715701131A US 2017368429 A1 US2017368429 A1 US 2017368429A1
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US
United States
Prior art keywords
portion
golf club
club head
weight
material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/701,131
Inventor
Robert R. Parsons
Michael R. Nicolette
Bradley D. Schweigert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parsons Xtreme Golf LLC
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Parsons Xtreme Golf LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US201461942515P priority Critical
Priority to US201461945560P priority
Priority to US201461948839P priority
Priority to US201461952470P priority
Priority to US201461992555P priority
Priority to US201462010836P priority
Priority to US201462011859P priority
Priority to US201462032770P priority
Priority to US201462041538P priority
Priority to US14/498,603 priority patent/US9199143B1/en
Priority to US14/513,073 priority patent/US8961336B1/en
Priority to PCT/US2014/071250 priority patent/WO2016032558A1/en
Priority to US14/589,277 priority patent/US9421437B2/en
Priority to US14/618,501 priority patent/US9427634B2/en
Priority to PCT/US2015/016666 priority patent/WO2015127111A1/en
Priority to US15/209,364 priority patent/US10293229B2/en
Priority to US15/628,251 priority patent/US20170282026A1/en
Priority to US15/685,986 priority patent/US10279233B2/en
Application filed by Parsons Xtreme Golf LLC filed Critical Parsons Xtreme Golf LLC
Priority to US15/701,131 priority patent/US20170368429A1/en
Assigned to Parsons Xtreme Golf, LLC reassignment Parsons Xtreme Golf, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NICOLETTE, MICHAEL R., SCHWEIGERT, BRADLEY D., PARSONS, ROBERT R.
Priority claimed from US15/703,639 external-priority patent/US20180229090A9/en
Priority claimed from US15/785,001 external-priority patent/US20180050243A1/en
Priority claimed from US15/793,648 external-priority patent/US20180050245A1/en
Priority claimed from US15/842,632 external-priority patent/US10029159B2/en
Priority claimed from US15/842,583 external-priority patent/US10232235B2/en
Publication of US20170368429A1 publication Critical patent/US20170368429A1/en
Priority claimed from US15/876,877 external-priority patent/US20180140910A1/en
Priority claimed from US15/890,961 external-priority patent/US20180169488A1/en
Priority claimed from PCT/US2018/023617 external-priority patent/WO2018183061A1/en
Priority claimed from US15/934,579 external-priority patent/US20180207494A1/en
Priority claimed from US15/947,383 external-priority patent/US20180221727A1/en
Priority claimed from US15/958,288 external-priority patent/US20180236325A1/en
Priority claimed from US16/039,496 external-priority patent/US20180318673A1/en
Priority claimed from PCT/US2018/043323 external-priority patent/WO2019023143A1/en
Priority claimed from PCT/US2018/045545 external-priority patent/WO2019032540A1/en
Priority claimed from US16/246,165 external-priority patent/US20190143183A1/en
Priority claimed from US16/351,143 external-priority patent/US20190201758A1/en
Priority claimed from US16/375,644 external-priority patent/US20190232124A1/en
Priority claimed from US16/376,868 external-priority patent/US20190232126A1/en
Priority claimed from US16/376,863 external-priority patent/US20190232125A1/en
Priority claimed from US16/388,619 external-priority patent/US20190240549A1/en
Application status is Abandoned legal-status Critical

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B53/047Heads iron-type
    • A63B53/0475Heads iron-type with one or more enclosed cavities
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B53/0466Heads wood-type
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B53/047Heads iron-type
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B53/0487Heads for putters
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/02Ballast means for adjusting the centre of mass
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B2053/0408Heads with defined dimensions
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B2053/0445Details of grooves or the like on impact surface
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B53/047Heads iron-type
    • A63B2053/0479Wedge-type clubs, details thereof
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B2053/0491Heads with added weights, e.g. changeable, replaceable
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B2060/002Resonance frequency related characteristics
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00Characteristics of used materials
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/54Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations

Abstract

Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a top portion, a sole portion, and a back portion. The back portion may be include a back wall portion. The golf club head may also include a face portion, an interior cavity, at least one weight portion, and at least one port. The interior cavity may be partially or entirely filled with a polymer material. Other examples and embodiments may be described and claimed.

Description

    CROSS REFERENCE
  • This application is a continuation-in-part application of U.S. Non-Provisional application Ser. No. 15/685,986, filed on Aug. 24, 2017, which is a continuation application of U.S. Non-Provisional application Ser. No. 15/628,251, filed on Jun. 20, 2017, which is a continuation application of U.S. Non-Provisional application Ser. No. 15/209,364, filed on Jul. 13, 2016, which is a continuation application of U.S. Non-Provisional application Ser. No. 14/589,277, filed Jan. 5, 2015, now U.S. Pat. No. 9,421,437, which is a continuation application of U.S. Non-Provisional application Ser. No. 14/513,073, filed Oct. 13, 2014, now U.S. Pat. No. 8,961,336, which is a continuation application of U.S. Non-Provisional application Ser. No. 14/498,603, filed Sep. 26, 2014, now U.S. Pat. No. 9,199,143, which claims the benefit of U.S. Provisional Application No. 62/041,538, filed Aug. 25, 2014. U.S. application Ser. No. 15/209,364 is also a continuation application of U.S. Non-Provisional application Ser. No. 14/618,501, filed Feb. 10, 2015, now U.S. Pat. No. 9,427,634, which is a continuation application of U.S. Non-Provisional application Ser. No. 14/589,277. U.S. Non-Provisional application Ser. No. 15/209,364 is also a continuation application of International Application No. PCT/US15/16666, filed Feb. 19, 2015, which claims the benefits of U.S. Provisional Application No. 61/942,515, filed Feb. 20, 2014, U.S. Provisional Application No. 61/945,560, filed Feb. 27, 2014, U.S. Provisional Application No. 61/948,839, filed Mar. 6, 2014, U.S. Provisional Application No. 61/952,470, filed Mar. 13, 2014, U.S. Provisional Application No. 61/992,555, filed May 13, 2014, U.S. Provisional Application No. 62/010,836, filed Jun. 11, 2014, U.S. Provisional Application No. 62/011,859, filed Jun. 13, 2014, and U.S. Provisional Application No. 62/032,770, filed Aug. 4, 2014. U.S. Non-Provisional application Ser. No. 15/209,364 is also a continuation application of International Application No. PCT/US14/71250, filed Dec. 18, 2014, which is a continuation of U.S. Non-Provisional application Ser. No. 14/498,603. The disclosures of the referenced applications are incorporated herein by reference.
  • COPYRIGHT AUTHORIZATION
  • The present disclosure may be subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the present disclosure and its related documents, as they appear in the Patent and Trademark Office patent files or records, but otherwise reserves all applicable copyrights.
  • FIELD
  • The present disclosure generally relates to golf equipment, and more particularly, to golf club heads and methods to manufacturing golf club heads.
  • BACKGROUND
  • Various materials (e.g., steel-based materials, titanium-based materials, tungsten-based materials, etc.) may be used to manufacture golf club heads. By using multiple materials to manufacture golf club heads, the position of the center of gravity (CG) and/or the moment of inertia (MOI) of the golf club heads may be optimized to produce certain trajectory and spin rate of a golf ball.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 depicts a front view of a golf club head according to an embodiment of the apparatus, methods, and articles of manufacture described herein.
  • FIG. 2 depicts a rear view of the example golf club head of FIG. 1.
  • FIG. 3 depicts a top view of the example golf club head of FIG. 1.
  • FIG. 4 depicts a bottom view of the example golf club head of FIG. 1.
  • FIG. 5 depicts a left view of the example golf club head of FIG. 1.
  • FIG. 6 depicts a right view of the example golf club head of FIG. 1.
  • FIG. 7 depicts a cross-sectional view of the example golf club head of FIG. 1 along line 7-7.
  • FIG. 8 depicts a cross-sectional view of the example golf club head of FIG. 1 along line 8-8.
  • FIG. 9 depicts a cross-sectional view of the example golf club head of FIG. 1 along line 9-9.
  • FIG. 10 depicts another rear view of the example golf club head of FIG. 1.
  • FIG. 11 depicts a top view of a weight portion associated with the example golf club head of FIG. 1.
  • FIG. 12 depicts a side view of a weight portion associated with the example golf club head of FIG. 1.
  • FIG. 13 depicts a side view of another weight portion associated with the example golf club head of FIG. 1.
  • FIG. 14 depicts a rear view of a body portion of the example golf club head of FIG. 1.
  • FIG. 15 depicts a cross-sectional view of a face portion of the example golf club head of FIG. 1.
  • FIG. 16 depicts a cross-sectional view of another face portion of the example golf club head of FIG. 1.
  • FIG. 17 depicts one manner in which the example golf club head described herein may be manufactured.
  • FIG. 18 depicts another cross-sectional view of the example golf club head of FIG. 4 along line 18-18.
  • For simplicity and clarity of illustration, the drawing figures illustrate the general manner of construction, and descriptions and details of well-known features and techniques may be omitted to avoid unnecessarily obscuring the present disclosure. Additionally, elements in the drawing figures may not be depicted to scale. For example, the dimensions of some of the elements in the figures may be exaggerated relative to other elements to help improve understanding of embodiments of the present disclosure.
  • DESCRIPTION
  • In general, golf club heads and methods to manufacture golf club heads are described herein. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • In the example of FIGS. 1-14, a golf club head 100 may include a body portion 110 (FIG. 14), and two or more weight portions, generally shown as a first set of weight portions 120 (e.g., shown as weight portions 121, 122, 123, and 124) and a second set of weight portions 130 (e.g., shown as weight portions 131, 132, 133, 134, 135, 136, and 137). The body portion 110 may include a toe portion 140, a heel portion 150, a front portion 160, a back portion 170, a top portion 180, and a sole portion 190. The body portion 110 may be made of a first material whereas the first and second sets of weight portions 120 and 130, respectively, may be made of a second material. The first and second materials may be similar or different materials. For example, the body portion 110 may be partially or entirely made of a steel-based material (e.g., 17-4 PH stainless steel, Nitronic® 50 stainless steel, maraging steel or other types of stainless steel), a titanium-based material, an aluminum-based material (e.g., a high-strength aluminum alloy or a composite aluminum alloy coated with a high-strength alloy), any combination thereof, and/or other suitable types of materials. The first and second sets of weight portions 120 and 130, respectively, may be partially or entirely made of a high-density material such as a tungsten-based material or other suitable types of materials. Alternatively, the body portion 110 and/or the first and second sets of weight portions 120 and 130, respectively, may be partially or entirely made of a non-metal material (e.g., composite, plastic, etc.). The apparatus, methods, and articles of manufacture are not limited in this regard.
  • The golf club head 100 may be an iron-type golf club head (e.g., a 1-iron, a 2-iron, a 3-iron, a 4-iron, a 5-iron, a 6-iron, a 7-iron, an 8-iron, a 9-iron, etc.) or a wedge-type golf club head (e.g., a pitching wedge, a lob wedge, a sand wedge, an n-degree wedge such as 44 degrees (°), 48°, 52°, 56°, 60°, etc.). Although FIGS. 1-10 may depict a particular type of club head, the apparatus, methods, and articles of manufacture described herein may be applicable to other types of club heads (e.g., a driver-type club head, a fairway wood-type club head, a hybrid-type club head, a putter-type club head, etc.). The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • The toe portion 140 and the heel portion 150 may be on opposite ends of the body portion 110. The heel portion 150 may include a hosel portion 155 configured to receive a shaft (not shown) with a grip (not shown) on one end and the golf club head 100 on the opposite end of the shaft to form a golf club.
  • The front portion 160 may include a face portion 162 (e.g., a strike face). The face portion 162 may include a front surface 164 and a back surface 166. The front surface 164 may include one or more grooves 168 extending between the toe portion 140 and the heel portion 150. While the figures may depict a particular number of grooves, the apparatus, methods, and articles of manufacture described herein may include more or less grooves. The face portion 162 may be used to impact a golf ball (not shown). The face portion 162 may be an integral portion of the body portion 110. Alternatively, the face portion 162 may be a separate piece or an insert coupled to the body portion 110 via various manufacturing methods and/or processes (e.g., a bonding process, a welding process, a brazing process, a mechanical locking method, any combination thereof, or other suitable types of manufacturing methods and/or processes). The face portion 162 may be associated with a loft plane that defines the loft angle of the golf club head 100. The loft angle may vary based on the type of golf club (e.g., a long iron, a middle iron, a short iron, a wedge, etc.). In one example, the loft angle may be between five degrees and seventy-five degrees. In another example, the loft angle may be between twenty degrees and sixty degrees. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • As illustrated in FIG. 14, the back portion 170 may include a back wall portion 1410 with one or more exterior weight ports along a periphery of the back portion 170, generally shown as a first set of exterior weight ports 1420 (e.g., shown as weight ports 1421, 1422, 1423, and 1424) and a second set of exterior weight ports 1430 (e.g., shown as weight ports 1431, 1432, 1433, 1434, 1435, 1436, and 1437). Each exterior weight port may be associated with a port diameter. In one example, the port diameter may be about 0.25 inch (6.35 millimeters). Any two adjacent exterior weight ports of the first set of exterior weight ports 1420 may be separated by less than the port diameter. In a similar manner, any two adjacent exterior weight ports of the second set of exterior weight ports 1430 may be separated by less than the port diameter. The first and second exterior weight ports 1420 and 1430 may be exterior weight ports configured to receive one or more weight portions. In particular, each weight portion of the first set 120 (e.g., shown as weight portions 121, 122, 123, and 124) may be disposed in a weight port located at or proximate to the toe portion 140 and/or the top portion 180 on the back portion 170. For example, the weight portion 121 may be partially or entirely disposed in the weight port 1421. In another example, the weight portion 122 may be disposed in a weight port 1422 located in a transition region between the top portion 180 and the toe portion 140 (e.g., a top-and-toe transition region). Each weight portion of the second set 130 (e.g., shown as weight portions 131, 132, 133, 134, 135, 136, and 137) may be disposed in a weight port located at or proximate to the toe portion 140 and/or the sole portion 190 on the back portion 170. For example, the weight portion 135 may be partially or entirely disposed in the weight port 1435. In another example, the weight portion 136 may be disposed in a weight port 1436 located in a transition region between the sole portion 190 and the toe portion 140 (e.g., a sole-and-toe transition region). As described in detail below, the first and second sets of weight portions 120 and 130, respectively, may be coupled to the back portion 170 of the body portion 110 with various manufacturing methods and/or processes (e.g., a bonding process, a welding process, a brazing process, a mechanical locking method, any combination thereof, or other suitable manufacturing methods and/or processes).
  • Alternatively, the golf club head 100 may not include (i) the first set of weight portions 120, (ii) the second set of weight portions 130, or (iii) both the first and second sets of weight portions 120 and 130. In particular, the back portion 170 of the body portion 110 may not include weight ports at or proximate to the top portion 180 and/or the sole portion 190. For example, the mass of the first set of weight portions 120 (e.g., 3 grams) and/or the mass of the second set of weight portions 130 (e.g., 16.8 grams) may be integral part(s) of the body portion 110 instead of separate weight portion(s). The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • The first and second sets of weight portions 120 and 130, respectively, may have similar or different physical properties (e.g., color, shape, size, density, mass, volume, etc.). As a result, the first and second sets of weight portions 120 and 130, respectively, may contribute to the ornamental design of the golf club head 100. In the illustrated example as shown in FIG. 11, each of the weight portions of the first and second sets 120 and 130, respectively, may have a cylindrical shape (e.g., a circular cross section). Alternatively, each of the weight portions of the first set 120 may have a first shape (e.g., a cylindrical shape) whereas each of the weight portions of the second set 130 may have a second shape (e.g., a cubical shape). In another example, the first set of weight portions 120 may include two or more weight portions with different shapes (e.g., the weight portion 121 may be a first shape whereas the weight portion 122 may be a second shape different from the first shape). Likewise, the second set of weight portions 130 may also include two or more weight portions with different shapes (e.g., the weight portion 131 may be a first shape whereas the weight portion 132 may be a second shape different from the first shape). Although the above examples may describe weight portions having a particular shape, the apparatus, methods, and articles of manufacture described herein may include weight portions of other suitable shapes (e.g., a portion of or a whole sphere, cube, cone, cylinder, pyramid, cuboidal, prism, frustum, or other suitable geometric shape). While the above examples and figures may depict multiple weight portions as a set of weight portions, each set of the first and second sets of weight portions 120 and 130, respectively, may be a single piece of weight portion. In one example, the first set of weight portions 120 may be a single piece of weight portion instead of a series of four separate weight portions. In another example, the second set of weight portions 130 may be a single piece of weight portion instead of a series of seven separate weight portions. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Referring to FIGS. 12 and 13, for example, the first and second sets of weight portions 120 and 130, respectively, may include threads, generally shown as 1210 and 1310, respectively, to engage with correspondingly configured threads in the weight ports to secure in the weight ports of the back portion 170 (generally shown as 1420 and 1430 in FIG. 14). For example, each weight portion of the first and second sets of weight portions 120 and 130, respectively, may be a screw. The first and second sets of weight portions 120 and 130, respectively, may not be readily removable from the body portion 110 with or without a tool. Alternatively, the first and second sets of weight portions 120 and 130, respectively, may be readily removable (e.g., with a tool) so that a relatively heavier or lighter weight portion may replace one or more of the weight portions of the first and second sets 120 and 130, respectively. In another example, the first and second sets of weight portions 120 and 130, respectively, may be secured in the weight ports of the back portion 170 with epoxy or adhesive so that the first and second sets of weight portions 120 and 130, respectively, may not be readily removable. In yet another example, the first and second sets of weight portions 120 and 130, respectively, may be secured in the weight ports of the back portion 170 with both epoxy and threads so that the first and second sets of weight portions 120 and 130, respectively, may not be readily removable. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • As mentioned above, the first and second sets of weight portions 120 and 130, respectively, may be similar in some physical properties but different in other physical properties. As illustrated in FIGS. 11-13, for example, each of the weight portions of the first and second sets 120 and 130, respectively, may have a diameter 1110 of about 0.25 inch (6.35 millimeters) but the first and second sets of weight portions 120 and 130, respectively, may be different in height. In particular, each of the weight portions of the first set 120 may be associated with a first height 1220 (FIG. 12), and each of the weight portion of the second set 130 may be associated with a second height 1320 (FIG. 13). The first height 1220 may be relatively shorter than the second height 1320. In one example, the first height 1220 may be about 0.125 inch (3.175 millimeters) whereas the second height 1320 may be about 0.3 inch (7.62 millimeters). In another example, the first height 1220 may be about 0.16 inch (4.064 millimeters) whereas the second height 1320 may be about 0.4 inch (10.16 millimeters). Alternatively, the first height 1220 may be equal to or greater than the second height 1320. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • To provide optimal perimeter weighting for the golf club head 100, the first set of weight portions 120 (e.g., weight portions 121, 122, 123, and 124) may be configured to counter-balance the weight of the hosel 155. The second set of weight portions 130 (e.g., weight portions 131, 132, 133, 134, 135, 136, and 137) may be configured to place the center of gravity of the golf club head 100 at an optimal location. Turning to FIGS. 7-9, for example, the first and second sets of weight portions 120 and 130, respectively, may be located away from the back surface 166 of the face portion 162 (e.g., not directly coupled to each other). That is, the first and second sets of weight portions 120 and 130, respectively, and the back surface 166 may be partially or entirely separated by an interior cavity 700 of the body portion 110. As shown in FIG. 14, for example, each exterior weight port of the first and second sets of exterior weight ports 1420 and 1430 may include an opening (e.g., generally shown as 720 and 730) and a port wall (e.g., generally shown as 725 and 735). The port walls 725 and 735 may be integral portions of the back wall portion 1410 (e.g., a section of the back wall portion 1410). Each of the openings 720 and 730 may be configured to receive a weight portion such as weight portions 121 and 135, respectively. The opening 720 may be located at one end of the weight port 1421, and the port wall 725 may be located or proximate to at an opposite end of the weight port 1421. In a similar manner, the opening 730 may be located at one end of the weight port 1435, and the port wall 735 may be located at or proximate to an opposite end of the weight port 1435. The port walls 725 and 735 may be separated from the face portion 162 (e.g., separated by the interior cavity 700). As a result, the center of gravity (CG) of the golf club head 100 may be relatively farther back away from the face portion 162 and relatively lower towards a ground plane (e.g., one shown as 1010 in FIG. 10) with the second set of weight portions 130 being away from the back surface 166 than if the second set of weight portions 130 were directly coupled to the back surface 166. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • While the figures may depict weight ports with a particular cross-section shape, the apparatus, methods, and articles of manufacture described herein may include weight ports with other suitable cross-section shapes. In one example, the weight ports of the first and/or second sets of weight ports 1420 and 1430 may have U-like cross-section shape. In another example, the weight ports of the first and/or second set of weight ports 1420 and 1430 may have V-like cross-section shape. One or more of the weight ports associated with the first set of weight portions 120 may have a different cross-section shape than one or more weight ports associated with the second set of weight portions 130. For example, the weight port 1421 may have a U-like cross-section shape whereas the weight port 1435 may have a V-like cross-section shape. Further, two or more weight ports associated with the first set of weight portions 120 may have different cross-section shapes. In a similar manner, two or more weight ports associated with the second set of weight portions 130 may have different cross-section shapes. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Referring back to FIG. 10, for example, the golf club head 100 may be associated with a ground plane 1010, a horizontal midplane 1020, and a top plane 1030. In particular, the ground plane 1010 may be a tangential plane to the sole portion 190 of the golf club head 100 when the golf club head 100 is at an address position (e.g., the golf club head 100 is aligned to strike a golf ball). A top plane 1030 may be a tangential plane to the top portion of the 180 of the golf club head 100 when the golf club head 100 is at the address position. The ground and top planes 1010 and 1030, respectively, may be substantially parallel to each other. The horizontal midplane 1020 may be vertically halfway between the ground and top planes 1010 and 1030, respectively.
  • The first and second sets of weight portions 120 and 130, respectively, may be similar in mass (e.g., all of the weight portions of the first and second sets 120 and 130, respectively, weigh about the same). Alternatively, the first and second sets of weight portions 120 and 130, respectively, may be different in mass individually or as an entire set. In particular, each of the weight portions of the first set 120 (e.g., shown as 121, 122, 123, and 124) may have relatively less mass than any of the weight portions of the second set 130 (e.g., shown as 131, 132, 133, 134, 135, 136, and 137). For example, the second set of weight portions 130 may account for more than 50% of the total mass from exterior weight portions of the golf club head 100. As a result, the golf club head 100 may be configured to have at least 50% of the total mass from exterior weight portions disposed below the horizontal midplane 1020. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • In one example, the golf club head 100 may have a mass in the range of about 220 grams to about 330 grams based on the type of golf club (e.g., a 4-iron versus a lob wedge). The body portion 110 may have a mass in the range of about 200 grams to about 310 grams with the first and second sets of weight portions 120 and 130, respectively, having a mass of about 20 grams (e.g., a total mass from exterior weight portions). Each of the weight portions of the first set 120 may have a mass of about one gram (1.0 g) whereas each of the weight portions of the second set 130 may have a mass of about 2.4 grams. The sum of the mass of the first set of weight portions 120 may be about 3 grams whereas the sum of the mass of the first set of weight portions 130 may be about 16.8 grams. The total mass of the second set of weight portions 130 may weigh more than five times as much as the total mass of the first set of weight portions 120 (e.g., a total mass of the second set of weight portions 130 of about 16.8 grams versus a total mass of the first set of weight portions 120 of about 3 grams). The golf club head 100 may have a total mass of 19.8 grams from the first and second sets of weight portions 120 and 130, respectively (e.g., sum of 3 grams from the first set of weight portions 120 and 16.8 grams from the second set of weight portions 130). Accordingly, the first set of weight portions 120 may account for about 15% of the total mass from exterior weight portions of the golf club head 100 whereas the second set of weight portions 130 may be account for about 85% of the total mass from exterior weight portions of the golf club head 100. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • By coupling the first and second sets of weight portions 120 and 130, respectively, to the body portion 110 (e.g., securing the first and second sets of weight portions 120 and 130 in the weight ports on the back portion 170), the location of the center of gravity (CG) and the moment of inertia (MOI) of the golf club head 100 may be optimized. In particular, the first and second sets of weight portions 120 and 130, respectively, may lower the location of the CG towards the sole portion 190 and further back away from the face portion 162. Further, the MOI may be higher as measured about a vertical axis extending through the CG (e.g., perpendicular to the ground plane 1010). The MOI may also be higher as measured about a horizontal axis extending through the CG (e.g., extending towards the toe and heel portions 140 and 150, respectively, of the golf club head 100). As a result, the club head 100 may provide a relatively higher launch angle and a relatively lower spin rate than a golf club head without the first and second sets of weight portions 120 and 130, respectively. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Alternatively, two or more weight portions in the same set may be different in mass. In one example, the weight portion 121 of the first set 120 may have a relatively lower mass than the weight portion 122 of the first set 120. In another example, the weight portion 131 of the second set 130 may have a relatively lower mass than the weight portion 135 of the second set 130. With relatively greater mass at the top-and-toe transition region and/or the sole-and-toe transition region, more weight may be distributed away from the center of gravity (CG) of the golf club head 100 to increase the moment of inertia (MOI) about the vertical axis through the CG.
  • Although the figures may depict the weight portions as separate and individual parts, each set of the first and second sets of weight portions 120 and 130, respectively, may be a single piece of weight portion. In one example, all of the weight portions of the first set 120 (e.g., shown as 121, 122, 123, and 124) may be combined into a single piece of weight portion (e.g., a first weight portion). In a similar manner, all of the weight portions of the second set 130 (e.g., 131, 132, 133, 134, 135, 136, and 137) may be combined into a single piece of weight portion as well (e.g., a second weight portion). In this example, the golf club head 100 may have only two weight portions. While the figures may depict a particular number of weight portions, the apparatus, methods, and articles of manufacture described herein may include more or less number of weight portions. In one example, the first set of weight portions 120 may include two separate weight portions instead of three separate weight portions as shown in the figures. In another example, the second set of weight portions 130 may include five separate weight portions instead of seven separate weight portions a shown in the figures. Alternatively as mentioned above, the apparatus, methods, and articles of manufacture described herein may not include any separate weight portions (e.g., the body portion 110 may be manufactured to include the mass of the separate weight portions as integral part(s) of the body portion 110). The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Referring back to FIGS. 7-9, for example, the body portion 110 may be a hollow body including the interior cavity 700 extending between the front portion 160 and the back portion 170. Further, the interior cavity 700 may extend between the top portion 180 and the sole portion 190. The interior cavity 700 may be associated with a cavity height 750 (HC), and the body portion 110 may be associated with a body height 850 (HB). While the cavity height 750 and the body height 850 may vary between the toe and heel portions 140 and 150, the cavity height 750 may be at least 50% of a body height 850 (HC>0.5*HB). For example, the cavity height 750 may vary between 70-85% of the body height 850. With the cavity height 750 of the interior cavity 700 being greater than 50% of the body height 850, the golf club head 100 may produce relatively more consistent feel, sound, and/or result when the golf club head 100 strikes a golf ball via the face portion 162 than a golf club head with a cavity height of less than 50% of the body height. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • In one example, the interior cavity 700 may be unfilled (i.e., empty space). The body portion 110 with the interior cavity 700 may weight about 100 grams less than the body portion 110 without the interior cavity 700. Alternatively, the interior cavity 700 may be partially or entirely filled with an elastic polymer or elastomer material (e.g., a viscoelastic urethane polymer material such as Sorbothane® material manufactured by Sorbothane, Inc., Kent, Ohio, a thermoplastic elastomer material (TPE), or a thermoplastic polyurethane material (TPU)), and/or other suitable types of materials to absorb shock, isolate vibration, and/or dampen noise. For example, at least 50% of the interior cavity 700 may be filled with a TPE material to absorb shock, isolate vibration, and/or dampen noise when the golf club head 100 strikes a golf ball via the face portion 162. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Turning to FIG. 15, for example, the face portion 162 may include a first thickness 1510 (T1), and a second thickness 1520 (T2). The first thickness 1510 may be a thickness of a section of the face portion 162 adjacent to a groove 168 whereas the second thickness 1520 may be a thickness of a section of the face portion 162 below the groove 168. For example, the first thickness 1510 may be a maximum distance between the front surface 164 and the back surface 166. The second thickness 1520 may be based on the groove 168. In particular, the groove 168 may have a groove depth 1525 (Dgroove). The second thickness 1520 may be a maximum distance between the bottom of the groove 168 and the back surface 166. The sum of the second thickness 1520 and the groove depth 1525 may be substantially equal to the first thickness 1510 (e.g., T2+Dgroove=T1). Accordingly, the second thickness 1520 may be less than the first thickness 1510 (e.g., T2<T1).
  • To lower and/or move the CG of the golf club head 100 further back, weight from the front portion 160 of the golf club head 100 may be removed by using a relatively thinner face portion 162. For example, the first thickness 1510 may be about 0.075 inch (1.905 millimeters) (e.g., T1=0.075 inch). With the support of the back wall portion 1410 to form the interior cavity 700 and filling at least a portion of the interior cavity 700 with an elastic polymer material, the face portion 162 may be relatively thinner (e.g., T1<0.075 inch) without degrading the structural integrity, sound, and/or feel of the golf club head 100. In one example, the first thickness 1510 may be less than or equal to 0.060 inch (1.524 millimeters) (e.g., T1≦0.060 inch). In another example, the first thickness 1510 may be less than or equal to 0.040 inch (1.016 millimeters) (e.g., T1≦0.040 inch). Based on the type of material(s) used to form the face portion 162 and/or the body portion 110, the face portion 162 may be even thinner with the first thickness 1510 being less than or equal to 0.030 inch (0.762 millimeters) (e.g., T1≦0.030 inch). The groove depth 1525 may be greater than or equal to the second thickness 1520 (e.g., Dgroove≧T2). In one example, the groove depth 1525 may be about 0.020 inch (0.508 millimeters) (e.g., Dgroove=0.020 inch). Accordingly, the second thickness 1520 may be about 0.010 inch (0.254 millimeters) (e.g., T2=0.010 inch). In another example, the groove depth 1525 may be about 0.015 inch (0.381 millimeters), and the second thickness 1520 may be about 0.015 inch (e.g., Dgroove=T2=0.015 inch). Alternatively, the groove depth 1525 may be less than the second thickness 1520 (e.g., Dgroove<T2). Without the support of the back wall portion 1410 and the elastic polymer material to fill in the interior cavity 700, a golf club head may not be able to withstand multiple impacts by a golf ball on a face portion. In contrast to the golf club head 100 as described herein, a golf club head with a relatively thin face portion but without the support of the back wall portion 1410 and the elastic polymer material to fill in the interior cavity 700 (e.g., a cavity-back golf club head) may produce unpleasant sound (e.g., a tinny sound) and/or feel during impact with a golf ball. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Based on manufacturing processes and methods used to form the golf club head 100, the face portion 162 may include additional material at or proximate to a periphery of the face portion 162. Accordingly, the face portion 162 may also include a third thickness 1530, and a chamfer portion 1540. The third thickness 1530 may be greater than either the first thickness 1510 or the second thickness 1520 (e.g., T3>T1>T2). In particular, the face portion 162 may be coupled to the body portion 110 by a welding process. For example, the first thickness 1510 may be about 0.030 inch (0.762 millimeters), the second thickness 1520 may be about 0.015 inch (0.381 millimeters), and the third thickness 1530 may be about 0.050 inch (1.27 millimeters). Accordingly, the chamfer portion 1540 may accommodate some of the additional material when the face portion 162 is welded to the body portion 110.
  • As illustrated in FIG. 16, for example, the face portion 162 may include a reinforcement section, generally shown as 1605, below one or more grooves 168. In one example, the face portion 162 may include a reinforcement section 1605 below each groove. Alternatively, face portion 162 may include the reinforcement section 1605 below some grooves (e.g., every other groove) or below only one groove. The face portion 162 may include a first thickness 1610, a second thickness 1620, a third thickness 1630, and a chamfer portion 1640. The groove 168 may have a groove depth 1625. The reinforcement section 1605 may define the second thickness 1620. The first and second thicknesses 1610 and 1620, respectively, may be substantially equal to each other (e.g., T1=T2). In one example, the first and second thicknesses 1610 and 1620, respectively, may be about 0.030 inch (0.762 millimeters) (e.g., T1=T2=0.030 inch). The groove depth 1625 may be about 0.015 inch (0.381 millimeters), and the third thickness 1630 may be about 0.050 inch (1.27 millimeters). The groove 168 may also have a groove width. The width of the reinforcement section 1605 may be greater than or equal to the groove width. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Alternatively, the face portion 162 may vary in thickness at and/or between the top portion 180 and the sole portion 190. In one example, the face portion 162 may be relatively thicker at or proximate to the top portion 180 than at or proximate to the sole portion 190 (e.g., thickness of the face portion 162 may taper from the top portion 180 towards the sole portion 190). In another example, the face portion 162 may be relatively thicker at or proximate to the sole portion 190 than at or proximate to the top portion 180 (e.g., thickness of the face portion 162 may taper from the sole portion 190 towards the top portion 180). In yet another example, the face portion 162 may be relatively thicker between the top portion 180 and the sole portion 190 than at or proximate to the top portion 180 and the sole portion 190 (e.g., thickness of the face portion 162 may have a bell-shaped contour). The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Different from other golf club head designs, the interior cavity 700 of the body portion 110 and the location of the first and second sets of weight portions 120 and 130, respectively, along the perimeter of the golf club head 100 may result in a golf ball traveling away from the face portion 162 at a relatively higher ball launch angle and a relatively lower spin rate. As a result, the golf ball may travel farther (i.e., greater total distance, which includes carry and roll distances).
  • FIG. 17 depicts one manner in which the example golf club head described herein may be manufactured. In the example of FIG. 17, the process 1700 may begin with providing two or more weight portions, generally shown as the first and second sets of weight portions 120 and 130, respectively (block 1710). The first and second sets of weight portions 120 and 130, respectively, may be made of a first material such as a tungsten-based material. In one example, the weight portions of the first and second sets 120 and 130, respectively, may be tungsten-alloy screws.
  • The process 1700 may provide a body portion 110 having the face portion 162, the interior cavity 700, and the back portion 170 with two or more exterior weight ports, generally shown as 1420 and 1430 (block 1720). The body portion 110 may be made of a second material, which is different than the first material. The body portion 110 may be manufacture using an investment casting process, a billet forging process, a stamping process, a computer numerically controlled (CNC) machining process, a die casting process, any combination thereof, or other suitable manufacturing processes. In one example, the body portion 110 may be made of 17-4 PH stainless steel using a casting process. In another example, the body portion 110 may be made of other suitable type of stainless steel (e.g., Nitronic® 50 stainless steel manufactured by AK Steel Corporation, West Chester, Ohio) using a forging process. By using Nitronic® 50 stainless steel to manufacture the body portion 110, the golf club head 100 may be relatively stronger and/or more resistant to corrosion than golf club heads made from other types of steel. Each weight port of the body portion 110 may include an opening and a port wall. For example, the weight port 1421 may include the opening 720 and the port wall 725 with the opening 720 and the port wall 725 being on opposite ends of each other. The interior cavity 700 may separate the port wall 725 of the weight port 1421 and the back surface 166 of the face portion 162. In a similar manner, the weight port 1835 may include the opening 730 and the port wall 735 with the opening 730 and the port wall 735 being on opposite ends of each other. The interior cavity 700 may separate the port wall 735 of the weight port 1435 and the back surface 166 of the face portion 162.
  • The process 1700 may couple each of the first and second sets of weight portions 120 and 130 into one of the two or more exterior weight ports (blocks 1730). In one example, the process 1700 may insert and secure the weight portion 121 in the exterior weight port 1421, and the weight portion 135 in the exterior weight portion 1435. The process 1700 may use various manufacturing methods and/or processes to secure the first and second sets of weight portions 120 and 130, respectively, in the exterior weigh ports such as the weight ports 1421 and 1435 (e.g., epoxy, welding, brazing, mechanical lock(s), any combination thereof, etc.).
  • The process 1700 may partially or entirely fill the interior cavity 700 with an elastic polymer material (e.g., Sorbothane® material) (block 1740). In one example, at least 50% of the interior cavity 700 may be filled with the elastic polymer material. As mentioned above, the elastic polymer material may absorb shock, isolate vibration, and/or dampen noise in response to the golf club head 100 striking a golf ball. In addition or alternatively, the interior cavity 700 may be filled with a thermoplastic elastomer material and/or a thermoplastic polyurethane material. As illustrated in FIG. 18, for example, the golf club head 100 may include one or more weight ports (e.g., one shown as 1431 in FIG. 14) with a first opening 1830 and a second opening 1835. The second opening 1835 may be used to access the interior cavity 700. In one example, the process 1700 (FIG. 17) may fill the interior cavity 700 with an elastic polymer material by injecting the elastic polymer material into the interior cavity 700 from the first opening 1830 via the second opening 1835. The first and second openings 1830 and 1835, respectively, may be same or different in size and/or shape. While the above example may describe and depict a particular weight port with a second opening, any other weight ports of the golf club head 100 may include a second opening (e.g., the weight port 720). The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Referring back to FIG. 17, the example process 1700 is merely provided and described in conjunction with other figures as an example of one way to manufacture the golf club head 100. While a particular order of actions is illustrated in FIG. 17, these actions may be performed in other temporal sequences. For example, two or more actions depicted in FIG. 17 may be performed sequentially, concurrently, or simultaneously. In one example, blocks 1710, 1720, 1730, and/or 1740 may be performed simultaneously or concurrently. Although FIG. 17 depicts a particular number of blocks, the process may not perform one or more blocks. In one example, the interior cavity 700 may not be filled (i.e., block 1740 may not be performed). The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • The apparatus, methods, and articles of manufacture described herein may be implemented in a variety of embodiments, and the foregoing description of some of these embodiments does not necessarily represent a complete description of all possible embodiments. Instead, the description of the drawings, and the drawings themselves, disclose at least one embodiment, and may disclosure alternative embodiments.
  • As the rules of golf may change from time to time (e.g., new regulations may be adopted or old rules may be eliminated or modified by golf standard organizations and/or governing bodies such as the United States Golf Association (USGA), the Royal and Ancient Golf Club of St. Andrews (R&A), etc.), golf equipment related to the apparatus, methods, and articles of manufacture described herein may be conforming or non-conforming to the rules of golf at any particular time. Accordingly, golf equipment related to the apparatus, methods, and articles of manufacture described herein may be advertised, offered for sale, and/or sold as conforming or non-conforming golf equipment. The apparatus, methods, and articles of manufacture described herein are not limited in this regard.
  • Although certain example apparatus, methods, and articles of manufacture have been described herein, the scope of coverage of this disclosure is not limited thereto. On the contrary, this disclosure covers all apparatus, methods, and articles of articles of manufacture fairly falling within the scope of the appended claims either literally or under the doctrine of equivalents.

Claims (20)

What is claimed is:
1. A golf club head comprising:
a plurality of weight portions, at least one weight portion of the plurality of weight portions having a first material;
a body portion having a second material different form the first material, the body portion having a face portion, a toe portion, a heel portion, a top portion, a sole portion, a back portion with a back wall portion, a plurality of ports, and an interior cavity, at least one port of the plurality of ports being connected to the interior cavity, the interior cavity being partially or entirely filled with a polymer material through the at least one port;
wherein each port of the plurality of ports is associated with a port length and at least one port of the plurality of ports is configured to receive a weight portion of the plurality of weight portions;
wherein any two adjacent ports of the plurality of ports are separated by less than the port length of any of the two adjacent ports, and
wherein at least one of the ports of the plurality of ports is farther from the top portion than the sole portion.
2. A golf club head as defined in claim 1, wherein the first material comprises tungsten.
3. A golf club head as defined in claim 1, wherein the polymer material is an elastic polymer material.
4. A golf club head as defined in claim 1, wherein a thickness of the face portion is less than or equal to about 1.9 millimeters (0.075 inch).
5. A golf club head as defined in claim 1, wherein at least one of the ports of the plurality of ports is farther from the heel portion than the toe portion.
6. A golf club head as defined in claim 1, wherein the face portion includes a first thickness and a second thickness less than the first thickness.
7. A golf club head as defined in claim 1, wherein the plurality of ports comprises a first port and a second port, and wherein the port length of the first port is greater than the port length of the second port.
8. A golf club head comprising:
a body portion having a face portion, a toe portion, a top portion, a sole portion, a back portion with a back wall portion, and an interior cavity;
a polymer material injected into the interior cavity through an opening at or proximate to a periphery of the body portion to at least partially structurally support the face portion during impact with a golf ball;
a first set of weight portions being associated with a first total mass, the first set of weight portions including at least one weight portion; and
a second set of weight portions being associated with a second total mass being greater than the first total mass, the second set of weight portions including at least one weight portion,
wherein at least 50% of the polymer material in the interior cavity is located below a horizontal midplane of the body portion.
9. A golf club head as defined in claim 8, wherein at least one weight portion of the first set of weight portions is made of tungsten.
10. A golf club head as defined in claim 8, wherein at least one weight portion of the second set of weight portions is made of tungsten.
11. A golf club head as defined in claim 8, wherein the polymer material is an elastic polymer material.
12. A golf club head as defined in claim 8, wherein a thickness of the face portion is less than or equal to about 1.9 millimeters (0.075 inch).
13. A golf club head as defined in claim 8 further comprising at least another opening located at or below the horizontal midplane.
14. A golf club head as defined in claim 8, wherein the face portion includes a first thickness and a second thickness less than the first thickness.
15. A golf club head comprising:
a first portion made of a first material and associated with a first mass, the first portion having at least one groove, a first surface, a second surface opposite of the first surface, and a width between the first and second surfaces of less than or equal 1.9 millimeters (0.075 inch);
a second portion made of a second material and associated with a second mass, the second portion having a height, a hosel portion, a back portion having a back wall portion, and an interior cavity;
a plurality of third portions associated with a third mass, at least one portion of the third portions is made of a third material and coupled to the second portion;
a fourth portion located at a distance from the hosel portion, the fourth portion having an opening configured to receive at least one portion of the plurality of third portions,
wherein the interior cavity is partially or entirely filled with a fourth material different than the first material or the second material, the fourth material being associated with a fourth mass,
wherein the second mass is greater than the first mass,
wherein the second mass is greater than the third mass,
wherein the second mass is greater than the fourth mass, and
wherein at least one portion of the plurality of third portions is located at below a horizontal midplane of the body portion.
16. A golf club head as defined in claim 15, wherein the first material comprises a material being the same as the second material.
17. A golf club head as defined in claim 15, wherein the third material comprises a material being the same as the first material or the second material.
18. A golf club head as defined in claim 15, wherein the fourth material is an elastic polymer material.
19. A golf club head as defined in claim 15, wherein portions of the interior cavity filled with the fourth material comprise a first thickness and a second thickness greater than the first thickness.
20. A golf club head as defined in claim 15, wherein at least one portion of the plurality of third portions is made of tungsten.
US15/701,131 2014-02-20 2017-09-11 Golf club heads and methods to manufacture golf club heads Abandoned US20170368429A1 (en)

Priority Applications (19)

Application Number Priority Date Filing Date Title
US201461942515P true 2014-02-20 2014-02-20
US201461945560P true 2014-02-27 2014-02-27
US201461948839P true 2014-03-06 2014-03-06
US201461952470P true 2014-03-13 2014-03-13
US201461992555P true 2014-05-13 2014-05-13
US201462010836P true 2014-06-11 2014-06-11
US201462011859P true 2014-06-13 2014-06-13
US201462032770P true 2014-08-04 2014-08-04
US201462041538P true 2014-08-25 2014-08-25
US14/498,603 US9199143B1 (en) 2014-08-25 2014-09-26 Golf club heads and methods to manufacture golf club heads
US14/513,073 US8961336B1 (en) 2014-08-25 2014-10-13 Golf club heads and methods to manufacture golf club heads
PCT/US2014/071250 WO2016032558A1 (en) 2014-08-25 2014-12-18 Golf club heads and methods to manufacture golf club heads
US14/589,277 US9421437B2 (en) 2014-08-25 2015-01-05 Golf club heads and methods to manufacture golf club heads
US14/618,501 US9427634B2 (en) 2014-08-25 2015-02-10 Golf club heads and methods to manufacture golf club heads
PCT/US2015/016666 WO2015127111A1 (en) 2014-02-20 2015-02-19 Golf club heads and methods to manufacture golf club heads
US15/209,364 US10293229B2 (en) 2014-02-20 2016-07-13 Golf club heads and methods to manufacture golf club heads
US15/628,251 US20170282026A1 (en) 2014-08-25 2017-06-20 Golf club heads and methods to manufacture golf club heads
US15/685,986 US10279233B2 (en) 2014-02-20 2017-08-24 Golf club heads and methods to manufacture golf club heads
US15/701,131 US20170368429A1 (en) 2014-02-20 2017-09-11 Golf club heads and methods to manufacture golf club heads

Applications Claiming Priority (25)

Application Number Priority Date Filing Date Title
US15/701,131 US20170368429A1 (en) 2014-02-20 2017-09-11 Golf club heads and methods to manufacture golf club heads
US15/703,639 US20180229090A9 (en) 2014-02-20 2017-09-13 Golf club heads and methods to manufacture golf club heads
US15/785,001 US20180050243A1 (en) 2014-02-20 2017-10-16 Golf club heads and methods to manufacture golf club heads
US15/791,020 US20180050244A1 (en) 2014-02-20 2017-10-23 Golf club heads and methods to manufacture golf club heads
US15/793,648 US20180050245A1 (en) 2014-02-20 2017-10-25 Golf club heads and methods to manufacture golf club heads
US15/802,819 US20180065008A1 (en) 2014-02-20 2017-11-03 Golf club heads and methods to manufacture golf club heads
US15/841,022 US10265590B2 (en) 2014-02-20 2017-12-13 Golf club heads and methods to manufacture golf club heads
US15/842,632 US10029159B2 (en) 2014-02-20 2017-12-14 Golf club heads and methods to manufacture golf club heads
US15/842,583 US10232235B2 (en) 2014-02-20 2017-12-14 Golf club heads and methods to manufacture golf club heads
US15/876,877 US20180140910A1 (en) 2014-02-20 2018-01-22 Golf club heads and methods to manufacture golf club heads
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