US20060073912A1 - Combination of body and striking plate for golf club head - Google Patents
Combination of body and striking plate for golf club head Download PDFInfo
- Publication number
- US20060073912A1 US20060073912A1 US10/958,400 US95840004A US2006073912A1 US 20060073912 A1 US20060073912 A1 US 20060073912A1 US 95840004 A US95840004 A US 95840004A US 2006073912 A1 US2006073912 A1 US 2006073912A1
- Authority
- US
- United States
- Prior art keywords
- club head
- striking plate
- golf club
- plastic protrusion
- groove
- 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
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0416—Heads having an impact surface provided by a face insert
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/047—Heads iron-type
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0466—Heads wood-type
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0487—Heads for putters
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Golf Clubs (AREA)
Abstract
A golf club head includes a body and a striking plate. The body includes a front side having a recessed portion. The striking plate includes a front side for striking golf balls and a rear side. At least one groove is defined in one of the front side of the body and the rear side of the striking plate. At least one plastic protrusion is formed on the other of the front side of the body and the rear side of the striking plate. When assembling the striking plate and the body, the plastic protrusion deforms under pressure to form an engaging portion that is engaged in the groove, thereby securely engaging the striking plate with the body.
Description
- 1. Field of the Invention
- The present invention relates to a golf club head. In particular, the present invention relates to a combination of a body and a striking plate for a golf club head.
- 2. Description of Related Art
-
FIG. 1 illustrates a conventional golf club head comprising abody 11 and astriking plate 12. Thebody 11 includes arecessed portion 13 in a front side thereof. Therecessed portion 13 includes anannular flange 14 and ashoulder 15 outside theannular flange 14. Thestriking plate 12 is substantially U-shaped in section and includes anannular abutting section 16. In assembly, theannular abutting section 16 of thestriking plate 12 abuts against theshoulder 15 of thebody 11 and engages with theannular flange 14. Then, welding is carried out to bond theannular abutting section 16 and theshoulder 15 together, forming a golf club head. - The
striking plate 12 and thebody 11 must be manufactured with high precision to avoid generation of gaps after bonding. Nevertheless, if thestriking plate 12 and thebody 11 are manufactured with a low-cost casting procedure, the precision tolerances of castings of thestriking plate 12 and thebody 11 are easily affected by temperature change. Troublesome CNC mechanical milling on theannular abutting section 16 and theshoulder 15 is required for precise engagement before bonding. The golf club head cannot be produced economically. - An object of the present invention is to provide a golf club head including a body and a striking plate that can be manufactured with a lower precision requirement.
- Another object of the present invention is to provide a golf club head that can be manufactured with a simplified process.
- A further object of the present invention is to provide a golf club head that can be manufactured at a low cost.
- Still another object of the present invention is to provide a golf club head with improved bonding quality.
- Yet another object of the present invention is to provide a golf club head with lowered striking noise.
- In accordance with an aspect of the present invention, a golf club head comprises a body and a striking plate. The body includes a front side having a recessed portion. The striking plate includes a front side for striking golf balls and a rear side. At least one groove is defined in one of the front side of the body and the rear side of the striking plate. At least one plastic protrusion is formed on the other of the front side of the body and the rear side of the striking plate. When assembling the striking plate and the body, the plastic protrusion deforms under pressure to form an engaging portion that is engaged in the groove, thereby securely engaging the striking plate with the body.
- The groove and the plastic protrusion are preferably slantingly V-shaped. Preferably, the protrusion includes a pointed section located in an opening of the groove when assembling the striking plate with the body.
- In an embodiment, the groove is defined in the front side of the body and the plastic protrusion is formed on the rear side of the striking plate.
- In another embodiment, the groove is defined in the rear side of the striking plate and the plastic protrusion is formed on the front side of the body. The body further includes a positioning groove and a positioning flange. The rear side of the striking plate includes a positioning flange that is engaged in the positioning groove of the body. The positioning flange of the striking plate is securely held in place by the positioning flange of the body.
- An auxiliary plastic protrusion is formed on one of the front side of the body and the rear side of the striking plate. The auxiliary plastic protrusion is adjacent to and extends along an outer perimeter of one of the front side of the body and the rear side of the striking plate. The auxiliary plastic protrusion is deformable to form a gap-filling portion for filling gaps between the body and the striking plate. The auxiliary plastic protrusion is located on an outer side of the plastic protrusion. The plastic protrusion extends to an extent greater than the auxiliary plastic protrusion.
- The plastic protrusion and the groove extend continuously or discontinuously.
- The golf club head may be an iron club head, a wooden club head, or a putter.
- In an embodiment, the striking plate is substantially U-shaped in section and bent to form an annular supporting wall to improve elastic deformability of the striking plate. In this case, the groove is defined in one of the front side of the body and a bottom face of the annular supporting wall, and wherein the plastic protrusion is formed on the other of the front side of the body and the bottom face of the annular supporting wall.
- Other objects, advantages and novel features of this invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
-
FIG. 1 is a sectional view of a conventional golf club head; -
FIG. 2 is an exploded perspective view of a first embodiment of a golf club head in accordance with the present invention; -
FIG. 3 is an exploded partial sectional view of the first embodiment of the golf club head in accordance with the present invention before bonding; -
FIG. 4 is a partial sectional view of the first embodiment of the golf club head in accordance with the present invention after bonding; -
FIG. 5 is a partial sectional view of the first embodiment of the golf club head after finishing; -
FIG. 6 is an exploded perspective view of a first embodiment of the golf club head in accordance with the present invention; -
FIG. 7 is an exploded perspective view of a third embodiment of the golf club head in accordance with the present invention; -
FIG. 8 is an exploded perspective view of a fourth embodiment of the golf club head in accordance with the present invention; -
FIG. 9 is an exploded partial sectional view of the fourth embodiment of the golf club head before bonding; -
FIG. 10 is an exploded partial sectional view of a fifth embodiment of the golf club head in accordance with the present invention before bonding; and -
FIG. 11 is a partial sectional view of the fifth embodiment of the golf club head after bonding and finishing. - Referring to
FIGS. 2 and 3 , a first embodiment of a golf club head in accordance with the present invention comprises abody 2 and astriking plate 3. Thebody 2 is made of a metal material with a relatively higher rigidity, such as stainless steel, low-carbon steel, or alloy steel. Thebody 2 includes a front side in which arecessed portion 22 is defined, with anengaging face 21 surrounding a front opening of therecessed portion 22. A substantially slantingly V-shaped groove 211 is defined in theengaging face 21. The V-shaped groove 211 is adjacent to and extends along the outer perimeter of thebody 2. The V-shapedgroove 211 inclines toward the recessedportion 22 or the outer perimeter of thebody 2. The recessedportion 22 provides a buffering space for thestriking plate 3 that deforms rearward when striking a golf ball. Ahosel 23 is provided on a side of the body 2 (preferably a side of the recessed portion 22) for engaging with a shaft (not shown). - Still referring to
FIGS. 2 and 3 , thestriking plate 3 is generally made of a metal or alloy with a high coefficient of restitution and with a relatively lower rigidity, such as titanium alloy or stainless steel. Thestriking plate 3 includes a front side for striking golf balls and a rear side on which aplastic protrusion 31 and an auxiliaryplastic protrusion 32 are formed. As illustrated inFIG. 3 , theplastic protrusion 31 is located on an inner side of the auxiliaryplastic protrusion 32 that is adjacent to and extends along an outer perimeter of thestriking plate 3. Theplastic protrusion 31 and the auxiliaryplastic protrusion 32 are substantially slantingly V-shaped. Further, theplastic protrusion 31 extends to an extent greater than the auxiliaryplastic protrusion 32. Theplastic protrusion 31 inclines inward or outward to mate with the V-shapedgroove 211 of thebody 2. Theauxiliary protrusion 32 inclines toward the outer perimeter of thebody 2. - The
plastic protrusion 31 and the auxiliaryplastic protrusion 32 are relatively small. Thus, theplastic protrusion 31 and the auxiliaryplastic protrusion 32 plastically deform slightly under pressure. Before bonding, apointed section 311 of theplastic protrusion 31 is located within an opening of the V-shapedgroove 211 of thebody 2, and apointed section 321 of the auxiliaryplastic protrusion 32 is located in an area of the engagingface 21 between the V-shapedgroove 211 and the outer perimeter of thebody 2. - During engagement, as illustrated in
FIG. 4 , the rear side of thestriking plate 3 is engaged with the front side of thebody 2, with theplastic protrusion 31 aligning with the V-shapedgroove 211 and with theauxiliary protrusion 32 aligning with the engagingface 21. A downward force is then applied to thestriking plate 3. Since thepointed section 311 of theplastic protrusion 31 is located within an opening of the V-shapedgroove 211 of thebody 2, theplastic protrusion 31 enters the V-shapedgroove 211 easily. Theplastic protrusion 31 deforms plastically, forming an engagingportion 31′ that is securely engaged in the V-shapedgroove 211. - Further, since the
pointed section 321 of the auxiliaryplastic protrusion 32 is located in the engagingface 21, the auxiliaryplastic protrusion 32 deforms plastically, forming a gap-fillingportion 32′ to assure that no gap exists in a bonding area between thestriking plate 3 and thebody 2. - After initial engagement, adhering, brazing, or welding can be carried out. Further, the protruded gap-filling
portion 32′ can be removed by finishing, obtaining a golf club head. Thus, the tolerance precision requirement can be lowered, as the minimum requirement is to assure that thepointed section 311 of theplastic protrusion 31 is located within an opening of the V-shapedgroove 211 of thebody 2. The manufacturing process is simplified and the manufacturing cost is cut. -
FIG. 6 illustrates a second embodiment of the golf club head in accordance with the present invention, wherein the V-shapedgroove 211 includes a plurality of spaced V-shaped groove sections, and theplastic protrusion 31 includes a plurality of spaced plastic protrusion sections. Nevertheless, the auxiliaryplastic protrusion 32 is continuous. Each plastic protrusion section of theplastic protrusion 31 has a length slightly smaller than that of an associated V-shaped groove section of the V-shapedgroove 211. The tolerance precision requirement is further reduced and the force applied to thestriking plate 3 may be reduced, providing improved convenience for bonding. Similar to the first embodiment, the auxiliaryplastic protrusion 32 is provided to avoid generation of gaps in the bonding area between thestriking plate 3 and thebody 2, thereby improving the bonding quality and improving the qualified product rate. -
FIG. 7 illustrates a third embodiment of the invention, wherein the club head is a wooden club head while the club heads in the first and second embodiments are iron club heads. Further, it is noted that the combination of a body and a striking plate in accordance with the present invention can be applied to a putter. - In this embodiment, the
striking plate 3 is substantially U-shaped in section. Further, thestriking plate 3 is bent to form an annular supportingwall 33 for improving the elastic deformability of thestriking plate 3. Further, aplastic protrusion 31 and an auxiliaryplastic protrusion 32 are formed on a bottom face of the annular supportingwall 33 for bonding with the V-shapedgrooves 211 and the engagingface 21 of thebody 2. Thus, thestriking plate 3 can be reliably bonded with thebody 2 by plastic deformation, simplifying the manufacturing procedure and cutting the manufacturing cost. -
FIGS. 8 and 9 illustrate a fourth embodiment of the invention modified from the first embodiment, wherein thestriking plate 3 is substantially U-shaped in section and bent to form an annular supportingwall 33 for improving the elastic deformability of thestriking plate 3. Further, aplastic protrusion 31 and an auxiliaryplastic protrusion 32 are formed on a bottom face of the annular supportingwall 33 for bonding with the V-shapedgrooves 211 and the engagingface 21 of thebody 2. Thus, thestriking plate 3 can be reliably bonded with thebody 2 by plastic deformation, simplifying the manufacturing procedure and cutting the manufacturing cost. -
FIGS. 10 and 11 illustrate a fifth embodiment of the invention. In this embodiment, the golf club head includes abody 4 and astriking plate 5. Thebody 4 includes a recessedportion 42, apositioning groove 41 surrounding the recessedportion 42, apositioning flange 43, aplastic protrusion 44, and an auxiliaryplastic protrusion 45. Apositioning flange 51, an engagingface 52, and agroove 53 are formed on a rear side of thestriking plate 5. - In assembly, the
positioning flange 51 of thestriking plate 5 is engaged with thepositioning groove 41, with thepositioning flange 43 securely holding thepositioning flange 51. Apointed section 441 of theplastic protrusion 44 of thebody 4 abuts against a wall delimiting thegroove 53. Next, thepointed section 441 of theplastic protrusion 44 deforms plastically and forms an engagingportion 44′ that is securely engaged in thegroove 53. The auxiliaryplastic protrusion 45 plastically deforms and forms a gap-filling portion, which is similar to the first embodiment. Thus, thestriking plate 5 can be reliably bonded with thebody 4 by plastic deformation, simplifying the manufacturing procedure and cutting the manufacturing cost. - While the principles of this invention have been disclosed in connection with specific embodiments, it should be understood by those skilled in the art that these descriptions are not intended to limit the scope of the invention, and that any modification and variation without departing the spirit of the invention is intended to be covered by the scope of this invention defined only by the appended claims.
Claims (15)
1. A golf club head comprising:
a body comprising a front side including a recessed portion;
a striking plate including a front side for striking golf balls and a rear side;
at least one groove defined in one of the front side of the body and the rear side of the striking plate; and
at least one plastic protrusion formed on the other of the front side of the body and the rear side of the striking plate;
wherein when assembling the striking plate and the body, said at least one plastic protrusion deforms under pressure to form an engaging portion that is engaged in said at least one groove, thereby securely engaging the striking plate with the body.
2. The golf club head as claimed in claim 1 wherein said at least one groove is slantingly V-shaped.
3. The golf club head as claimed in claim 1 wherein said at least one plastic protrusion is slantingly V-shaped.
4. The golf club head as claimed in claim 1 wherein said at least one plastic protrusion includes a pointed section located in an opening of said at least one groove when assembling the striking plate with the body.
5. The golf club head as claimed in claim 1 wherein said at least one groove is defined in the front side of the body and said at least one plastic protrusion is formed on the rear side of the striking plate.
6. The golf club head as claimed in claim 1 wherein said at least one groove is defined in the rear side of the striking plate and said at least one plastic protrusion is formed on the front side of the body.
7. The golf club head as claimed in claim 6 wherein the body further includes a positioning groove and a positioning flange, the rear side of the striking plate including a positioning flange that is engaged in the positioning groove of the body, and the positioning flange of the striking plate being securely held in place by the positioning flange of the body.
8. The golf club head as claimed in claim 1 further including an auxiliary plastic protrusion formed on said one of the front side of the body and the rear side of the striking plate, the auxiliary plastic protrusion being adjacent to and extends along an outer perimeter of said one of the front side of the body and the rear side of the striking plate, the auxiliary plastic protrusion being deformable to form a gap-filling portion for filling gaps between the body and the striking plate.
9. The golf club head as claimed in claim 8 wherein the auxiliary plastic protrusion is located on an outer side of said at least one plastic protrusion.
10. The golf club head as claimed in claim 8 wherein said at least one plastic protrusion extends to an extent greater than the auxiliary plastic protrusion.
11. The golf club head as claimed in claim 1 wherein said at least one plastic protrusion and said at least one groove extend continuously.
12. The golf club head as claimed in claim 1 wherein said at least one plastic protrusion and said at least one groove extend discontinuously.
13. The golf club head as claimed in claim 1 wherein the golf club head is one of an iron club head, a wooden club head, and a putter.
14. The golf club head as claimed in claim 13 wherein the striking plate is substantially U-shaped in section and bent to form an annular supporting wall to improve elastic deformability of the striking plate.
15. The golf club head as claimed in claim 14 wherein said at least one groove is defined in one of the front side of the body and a bottom face of the annular supporting wall, and wherein said at least one plastic protrusion is formed on the other of the front side of the body and the bottom face of the annular supporting wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/958,400 US20060073912A1 (en) | 2004-10-06 | 2004-10-06 | Combination of body and striking plate for golf club head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/958,400 US20060073912A1 (en) | 2004-10-06 | 2004-10-06 | Combination of body and striking plate for golf club head |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060073912A1 true US20060073912A1 (en) | 2006-04-06 |
Family
ID=36126250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/958,400 Abandoned US20060073912A1 (en) | 2004-10-06 | 2004-10-06 | Combination of body and striking plate for golf club head |
Country Status (1)
Country | Link |
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US (1) | US20060073912A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060194645A1 (en) * | 2005-02-25 | 2006-08-31 | Sri Sports Limited | Golf club head |
US20060252575A1 (en) * | 2005-05-03 | 2006-11-09 | Nelson Precision Casting Co., Ltd. | Golf club head having a connecting structure for a high degree of flexibility |
US20070254749A1 (en) * | 2006-04-26 | 2007-11-01 | Sri Sports Limited | Iron-type gold club head |
US20080051210A1 (en) * | 2007-04-03 | 2008-02-28 | Roger Cleveland Golf Co., Inc. | Set of golf clubs |
US20120034991A1 (en) * | 2010-08-04 | 2012-02-09 | Bradford Hughes Hartwell | Golf club having an improved face insert |
TWI579022B (en) * | 2015-01-09 | 2017-04-21 | Golf irons head composite structure | |
US20170113109A1 (en) * | 2015-10-23 | 2017-04-27 | Dunlop Sports Co. Ltd. | Golf club head |
US20170113103A1 (en) * | 2015-10-23 | 2017-04-27 | Dunlop Sports Co. Ltd. | Golf club head |
US11465020B2 (en) * | 2016-06-16 | 2022-10-11 | Acushnet Company | Double-wall iron with composite inner wall |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3659855A (en) * | 1967-09-15 | 1972-05-02 | Shakespeare Co | Golf club head and novel method of producing same |
US5522593A (en) * | 1993-05-31 | 1996-06-04 | Kabushiki Kaisha Endo Seisakusho | Golf club head |
US6050904A (en) * | 1998-10-27 | 2000-04-18 | Kuo; Allen H. W. | Golf club head |
US6746342B1 (en) * | 2002-12-30 | 2004-06-08 | Nelson Precision Casting Co., Ltd. | Metal head for use in a golf club |
US20060194645A1 (en) * | 2005-02-25 | 2006-08-31 | Sri Sports Limited | Golf club head |
-
2004
- 2004-10-06 US US10/958,400 patent/US20060073912A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3659855A (en) * | 1967-09-15 | 1972-05-02 | Shakespeare Co | Golf club head and novel method of producing same |
US5522593A (en) * | 1993-05-31 | 1996-06-04 | Kabushiki Kaisha Endo Seisakusho | Golf club head |
US6050904A (en) * | 1998-10-27 | 2000-04-18 | Kuo; Allen H. W. | Golf club head |
US6746342B1 (en) * | 2002-12-30 | 2004-06-08 | Nelson Precision Casting Co., Ltd. | Metal head for use in a golf club |
US20060194645A1 (en) * | 2005-02-25 | 2006-08-31 | Sri Sports Limited | Golf club head |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060194645A1 (en) * | 2005-02-25 | 2006-08-31 | Sri Sports Limited | Golf club head |
US7604549B2 (en) * | 2005-02-25 | 2009-10-20 | Sri Sports Limited | Golf club head |
US20060252575A1 (en) * | 2005-05-03 | 2006-11-09 | Nelson Precision Casting Co., Ltd. | Golf club head having a connecting structure for a high degree of flexibility |
US7371188B2 (en) * | 2005-05-03 | 2008-05-13 | Nelson Precision Casting Co., Ltd. | Golf club head having a connecting structure for a high degree of flexibility |
US7578754B2 (en) * | 2006-04-26 | 2009-08-25 | Sri Sports Limited | Iron-type gold club head |
US20070254749A1 (en) * | 2006-04-26 | 2007-11-01 | Sri Sports Limited | Iron-type gold club head |
US20100210373A1 (en) * | 2007-04-03 | 2010-08-19 | Roger Cleveland Golf Co., Inc. | Set of golf clubs |
US20090170625A1 (en) * | 2007-04-03 | 2009-07-02 | Roger Cleveland Golf Co., Inc. | Set of Golf Clubs |
US7553241B2 (en) * | 2007-04-03 | 2009-06-30 | Roger Cleveland Golf Co., Inc. | Set of golf clubs |
US7762905B2 (en) | 2007-04-03 | 2010-07-27 | Sri Sports Limited | Set of golf clubs |
US20080051210A1 (en) * | 2007-04-03 | 2008-02-28 | Roger Cleveland Golf Co., Inc. | Set of golf clubs |
US7938736B2 (en) | 2007-04-03 | 2011-05-10 | Sri Sports Limited | Set of golf clubs |
US8480514B2 (en) * | 2010-08-04 | 2013-07-09 | Acushnet Company | Golf club having an improved face insert |
US20120034991A1 (en) * | 2010-08-04 | 2012-02-09 | Bradford Hughes Hartwell | Golf club having an improved face insert |
TWI579022B (en) * | 2015-01-09 | 2017-04-21 | Golf irons head composite structure | |
US20170113109A1 (en) * | 2015-10-23 | 2017-04-27 | Dunlop Sports Co. Ltd. | Golf club head |
US20170113103A1 (en) * | 2015-10-23 | 2017-04-27 | Dunlop Sports Co. Ltd. | Golf club head |
US10039966B2 (en) * | 2015-10-23 | 2018-08-07 | Sumitomo Rubber Industries, Ltd. | Golf club head |
US10369431B2 (en) * | 2015-10-23 | 2019-08-06 | Sumitomo Rubber Industries, Ltd. | Golf club head |
US11465020B2 (en) * | 2016-06-16 | 2022-10-11 | Acushnet Company | Double-wall iron with composite inner wall |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NELSON PRECISION CASTING CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HSIEH, WEN-CHENG;TSAI, JUNG-YAO;REEL/FRAME:015873/0127 Effective date: 20040929 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |