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US20080102984A1 - Golf club head and method of fabricating striking plate - Google Patents

Golf club head and method of fabricating striking plate Download PDF

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Publication number
US20080102984A1
US20080102984A1 US11/613,852 US61385206A US2008102984A1 US 20080102984 A1 US20080102984 A1 US 20080102984A1 US 61385206 A US61385206 A US 61385206A US 2008102984 A1 US2008102984 A1 US 2008102984A1
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US
United States
Prior art keywords
crystallization phase
striking plate
plate
striking
phase region
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
US11/613,852
Other languages
English (en)
Inventor
Ming-Jui Chiang
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.)
Fu Sheng Industrial Co Ltd
Original Assignee
Fu Sheng Industrial Co Ltd
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
Application filed by Fu Sheng Industrial Co Ltd filed Critical Fu Sheng Industrial Co Ltd
Assigned to FU SHENG INDUSTRIAL CO., LTD. reassignment FU SHENG INDUSTRIAL CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHIANG, MING-JUI
Priority to CNA2007101658615A priority Critical patent/CN101204622A/zh
Publication of US20080102984A1 publication Critical patent/US20080102984A1/en
Abandoned legal-status Critical Current

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    • 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
    • A63B53/0416—Heads having an impact surface provided by a face insert
    • A63B53/042—Heads having an impact surface provided by a face insert the face insert consisting of a material different from that of the head
    • 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
    • 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
    • A63B2209/00—Characteristics of used materials

Definitions

  • the present invention relates to a golf club head and a method of fabricating a striking plate, and more particularly to a golf club head with a striking plate having a crystallization phase region with a low elastic modulus and a method of fabricating the striking plate.
  • golf With the prevailing of sports in today's society, golf has become one of the favorite sports widely accepted by the mass, and more and more people are participating in the golf sports. Golf clubs can be classified into wooden clubs, iron clubs, putters, and so on according to various fields and usage.
  • the golf club head is usually fabricated by first forming a head body made of a metal material or together with carbon fiber, and then, integrating a striking plate for striking a golf ball with the head body as a whole.
  • the golf club head has a specific specification and limitation in size and weight, so as to provide a desired controlling and striking effect when striking the golf ball. Therefore, depending upon different requirements in use, in the design of the golf club head, the basic architecture of the head body and the striking plate or the combination constitution thereof is generally changed to achieve the optimal design.
  • the region with a high coefficient of restitution (COR) of the homogeneous and uniform striking plate is usually located in the center region, and the COR of the striking plate is gradually reduced as being far away from the center region.
  • COR coefficient of restitution
  • the striking plate may be easily damaged after a long time of striking as the thickness is reduced. How to simply and effectively increase the striking restitution capability of the striking plate without degrading the durability has become an urgent problem to be solved in the design of the golf club head.
  • the present invention is directed to a gold club head, wherein the striking plate has a larger region with a high COR.
  • the present invention is also directed to a method of fabricating the striking plate, so as to enlarge the region of the striking plate with a high COR.
  • the present invention provides a golf club head, which comprises a head body and a striking plate.
  • the head body has an opening.
  • the striking plate is disposed at the opening and has a striking surface.
  • the striking plate comprises a first crystallization phase region and at least a second crystallization phase region.
  • the second crystallization phase region is located in the first crystallization phase region and extends from the striking surface to an interior of the striking plate.
  • the elastic modulus of the second crystallization phase region is smaller than that of the first crystallization phase region.
  • a crystallization phase of the first crystallization phase region includes ⁇ -type or ⁇ - ⁇ -type.
  • a crystallization phase of the second crystallization phase region includes ⁇ ′-type or ⁇ ′′-type.
  • the elastic modulus of the first crystallization phase region may be larger than or equal to 100 GPa.
  • an absolute value of the difference between the elastic modulus of the first crystallization phase region and that of the second crystallization phase region may be larger than or equal to 5 GPa and smaller than or equal to 10 GPa.
  • the striking plate is made of a Ti alloy.
  • the present invention provides a method of fabricating the striking plate, which is applicable for a golf club head.
  • the method of fabricating the striking plate comprises the following steps. First, a plate body is provided, and a crystallization phase of the plate body is a first crystallization phase. Next, a part of the plate body is heated. Next, the heated part of the plate body is quenched, so as to make the crystallization phase of the part of the plate body be transformed into a second crystallization phase.
  • the step of heating the part of the plate body may be achieved by irradiating the plate body with a high-energy laser beam.
  • the step of heating the part of the plate body may be achieved by irradiating the plate body with an electron beam.
  • the step of quenching the heated part of the plate body may be achieved by water cooling, air cooling, or furnace cooling.
  • a cooling rate of quenching the heated part of the plate body is higher than or equal to 10° C. per second.
  • the first crystallization phase includes ⁇ -type or ⁇ - ⁇ -type.
  • the second crystallization phase includes ⁇ ′-type or ⁇ ′′-type.
  • the plate body is made of a Ti alloy.
  • the striking plate of the present invention since the striking plate of the present invention has the second crystallization phase region with a lower elastic modulus, on the whole, the striking plate of the present invention has a larger region with a high COR.
  • the second crystallization phase region with low elastic modulus is formed in the plate body by partially heating and quenching, without degrading the durability of the striking plate, so the region of the striking plate with a high COR is enlarged.
  • the method of irradiating with the laser beam or the electron beam may be adopted to partially heat the plate body, so the method of fabricating the striking plate of the present invention is simple and the manufacturing cost is low.
  • FIG. 1 is a schematic exploded view of a golf club head according to an embodiment of the present invention.
  • FIG. 2 is a schematic side view of the striking plate of FIG. 1 .
  • FIGS. 3A to 3C are schematic process flow views for fabricating the striking plate of FIG. 1 .
  • FIG. 1 is a schematic exploded view of a golf club head according to an embodiment of the present invention
  • FIG. 2 is a schematic side view of the striking plate of FIG. 1
  • the golf club head 200 of this embodiment includes a head body 210 and a striking plate 220 .
  • the head body 210 has an opening 212 .
  • the head body 210 may be a shell, and integrally formed by a common metal material (e.g., stainless steel) by way of lost-wax casing.
  • a common metal material e.g., stainless steel
  • the head body 210 may be made of composite material of metal and high molecular plasticizing material or high strength fiber material (e.g., carbon fiber), and it is fabricated by the following steps.
  • a crown (not shown) is separately prefabricated by injection molding or thermal compression molding, and then, the crown is embedded into another part of the metal shell.
  • a carbon fiber pre-preg may be directly adhered on the hollow portion of the metal shell, and then heated by the use of a mold and an air bag so as to forming the body 210 .
  • the striking plate 220 is disposed at the opening 221 , for composing the golf club head 200 together with the head body 210 .
  • the striking plate 220 has a striking surface 222 , and the striking plate 220 includes a first crystallization phase region 224 and at least one second crystallization phase region 226 (two second crystallization phase regions are schematically shown in FIG. 1 ).
  • the second crystallization phase regions 226 are located in the first crystallization phase region 224 , and extend from the striking surface 222 to an interior of the striking plate 220 , and the elastic modulus of each second crystallization phase region 226 is smaller than that of the first crystallization phase region 224 .
  • the second crystallization phase regions 226 are usually located outside of the center region 228 of the striking plate 220 .
  • a crystallization phase of the first crystallization phase region 224 includes ⁇ -type or ⁇ - ⁇ -type.
  • the so-called ⁇ -type crystallization phase indicates that the crystallization mode is body-centered cubic lattice (BCC lattice), and the so-called ⁇ - ⁇ -type crystallization phase indicates that the crystallization modes include hexagonal close-packed lattice (HCP lattice) and BCC lattice.
  • a crystallization phase of each second crystallization phase region 226 includes ⁇ ′-type or ⁇ ′′-type.
  • the so-called ⁇ ′-type crystallization phase indicates a hexagonal martensite
  • the so-called ⁇ ′′-type crystallization phase indicates an orthorhombic martensite, and both of them are incomplete-transformation crystallization phases formed due to quick cooling.
  • the Ti alloy has a low elastic modulus.
  • the so-called elastic modulus is Young's modulus, with the metric unit as Pascal (Pa for short).
  • the elastic modulus of the material (usually a single atom metal or alloy) is inversely proportional to the COR, that is, the lower the elastic modulus of the material is, the higher the COR is. Therefore, not only the center region 228 of the striking plate 220 of this embodiment has a relatively high COR, but the second crystallization phase regions 226 of the striking plate 220 also have a relatively high COR, on the whole, the striking plate 220 has a larger region with high COR.
  • the elastic modulus of the first crystallization phase region 224 may be larger than or equal to 100 GPa (i.e., 100*10 9 Pa), and a absolute value of the difference between the elastic modulus of the first crystallization phase region 224 and that of the second crystallization phase region 226 may be larger than or equal to 5 GPa and smaller than or equal to 10 GPa.
  • the striking plate 220 may be made of Ti alloy, for example, Ti-6Al-4V alloy, that is, the Ti alloy with the components of 90 wt % Ti, 6 wt % Al, and 4 wt % V.
  • the striking plate 220 is made of other kinds of Ti alloys, for example, Ti-8Al-1Mo-1V, Ti-6Al-2Sn-4Zr-2Mo, Ti-6Al-6V-2Sn, Ti-6Al-2Sn-4Zr-6Mo, Ti-8Mn, Ti-10V-2Fe-3Al, Ti-11.5Mo-6Zr-4.5Sn, Ti-15Mo-5Zr-3Al, and Ti-13V-11Cr-3Al.
  • the head body 210 and the striking plate 220 may be bonded through embedding and/or soldering. Furthermore, before the striking plate 220 is positioned, the solder may be pre-coated on the bonding surface of the head body 210 and the striking plate 220 . Then, the striking plate 220 is disposed at the opening 212 of the head body 210 , and then soldered such that the solder is melted and cooled so as to form a soldering layer (not shown) for connecting the head body 210 with the striking plate 220 .
  • the striking plate 220 is disposed at the opening 212 of the head body 210 , and then, the solder is coated on the seam at the bonding position of the head body 210 and the striking plate 220 , and after the solder is melted into the bonding surface, the soldering layer (not shown) is formed by cooling and solidification.
  • FIGS. 3A to 3C are schematic process flow views for fabricating the striking plate of FIG. 1 .
  • the method of fabricating the striking plate 220 of this embodiment includes the following steps. First, referring to FIG. 3A , a plate body P is provided, and a crystallization phase of the plate body P is a first crystallization phase. In this embodiment, the first crystallization phase includes ⁇ -type or ⁇ - ⁇ -type.
  • the plate body P is partially heated, that is, a part of the plate body is heated.
  • the step of partially heating the plate body P may be achieved by irradiating the plate body P with a high-energy laser beam L.
  • the step of partially heating the plate body P may be achieved by irradiating the plate body P with an electron beam (not shown).
  • the heated part of the plate body P is quenched such that the crystallization phase of the part of the plate body P is transformed into a second crystallization phase to form at least a second crystallization phase region 226 (two second crystallization phase regions are shown in FIG. 3C ).
  • the step of quenching the heated part of the plate body P may be achieved by water cooling, air cooling, or furnace cooling, and a cooling rate for quenching the heated part of the plate body P may be larger than or equal to 10° C. per second.
  • the second crystallization phase includes ⁇ ′-type or ⁇ ′′-type.
  • a striking plate 220 with a first crystallization phase region 224 (with the first crystallization phase) and a plurality of second crystallization phase regions 226 (with the second crystallization phase) are substantially completed.
  • the appearance or the striking surface 222 of the striking plate 220 may be further processed, so as to make the appearance of the striking plate 220 correspond to the appearance of the opening 212 of the head body 210 (shown in FIG. 1 ), thus, the striking surface 222 achieves the required surface roughness.
  • the golf club head and the method of fabricating the striking plate of the present invention at least have the following advantages.
  • the striking plate of the present invention since the striking plate of the present invention has the second crystallization phase region with a relatively low elastic modulus, that is, the second crystallization phase region is a relatively high COR, on the whole, the striking plate of the present invention has a larger region with a high COR.
  • the second crystallization phase region with a low elastic modulus is formed in the plate body by partially heating and then quenching, without degrading the durability of the striking plate, the region with a high COR of the striking plate is enlarged.
  • the method of fabricating the striking plate of the present invention since in the method of fabricating the striking plate of the present invention, the method of irradiating with the laser beam or the electron beam are adopted to partially heat the plate body, the method of fabricating the striking plate of the present invention is simple and the manufacturing cost is low.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Golf Clubs (AREA)
US11/613,852 2006-10-25 2006-12-20 Golf club head and method of fabricating striking plate Abandoned US20080102984A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007101658615A CN101204622A (zh) 2006-12-20 2007-11-07 高尔夫球杆头及打击面板制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW095139354A TW200819171A (en) 2006-10-25 2006-10-25 Golf club head and method of fabricating striking plate
TW95139354 2006-10-25

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US11/613,852 Abandoned US20080102984A1 (en) 2006-10-25 2006-12-20 Golf club head and method of fabricating striking plate

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TW (1) TW200819171A (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018053263A1 (en) * 2016-09-16 2018-03-22 Karsten Manufacturing Corporation Multi-process hardening method
US20180160216A1 (en) * 2016-12-06 2018-06-07 Bose Corporation Earpieces employing viscoelastic materials
CN109745680A (zh) * 2018-12-25 2019-05-14 易富城 一种高尔夫推杆杆头及其制备方法和一种高尔夫推杆
US11554298B2 (en) 2019-09-13 2023-01-17 Karsten Manufacturing Corporation Golf club heads having a localized heat affected zone

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5405136A (en) * 1993-09-20 1995-04-11 Wilson Sporting Goods Co. Golf club with face insert of variable hardness
US5423535A (en) * 1991-09-28 1995-06-13 Dunlop Slazenger International, Ltd. Golf club heads with face plates of varying specific gravity
US5807190A (en) * 1996-12-05 1998-09-15 The Beta Group Golf club head or face
US6089992A (en) * 1997-08-08 2000-07-18 Sumitomo Rubber Industries, Inc. Golf club head
US6162130A (en) * 1997-10-01 2000-12-19 Tsuyoshi Masumoto Golf club head
US6261192B1 (en) * 1999-07-28 2001-07-17 Tony U. Otani Tensioned, locally hardened and weighted golf club head face plate
US20010051549A1 (en) * 2000-05-12 2001-12-13 Akihisa Inoue Golf club head
US20020156598A1 (en) * 1999-05-21 2002-10-24 Boehm Herbert C. Method for matching golfers with a driver and ball
US6475101B2 (en) * 2000-07-17 2002-11-05 Bruce D. Burrows Metal wood golf club head with faceplate insert
US6530998B1 (en) * 1999-11-18 2003-03-11 Ykk Corporation Formed article of amorphous alloy having hardened surface and method for production thereof
US6776726B2 (en) * 2001-06-04 2004-08-17 Sumitomo Rubber Industries, Ltd. Golf club head
US7520045B2 (en) * 2004-12-29 2009-04-21 Fu Sheng Industrial Co., Ltd. Heat treating method for golf club head

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5423535A (en) * 1991-09-28 1995-06-13 Dunlop Slazenger International, Ltd. Golf club heads with face plates of varying specific gravity
US5405136A (en) * 1993-09-20 1995-04-11 Wilson Sporting Goods Co. Golf club with face insert of variable hardness
US5807190A (en) * 1996-12-05 1998-09-15 The Beta Group Golf club head or face
US6089992A (en) * 1997-08-08 2000-07-18 Sumitomo Rubber Industries, Inc. Golf club head
US6162130A (en) * 1997-10-01 2000-12-19 Tsuyoshi Masumoto Golf club head
US20020156598A1 (en) * 1999-05-21 2002-10-24 Boehm Herbert C. Method for matching golfers with a driver and ball
US6261192B1 (en) * 1999-07-28 2001-07-17 Tony U. Otani Tensioned, locally hardened and weighted golf club head face plate
US6530998B1 (en) * 1999-11-18 2003-03-11 Ykk Corporation Formed article of amorphous alloy having hardened surface and method for production thereof
US20010051549A1 (en) * 2000-05-12 2001-12-13 Akihisa Inoue Golf club head
US6475101B2 (en) * 2000-07-17 2002-11-05 Bruce D. Burrows Metal wood golf club head with faceplate insert
US6776726B2 (en) * 2001-06-04 2004-08-17 Sumitomo Rubber Industries, Ltd. Golf club head
US7520045B2 (en) * 2004-12-29 2009-04-21 Fu Sheng Industrial Co., Ltd. Heat treating method for golf club head

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018053263A1 (en) * 2016-09-16 2018-03-22 Karsten Manufacturing Corporation Multi-process hardening method
GB2568435A (en) * 2016-09-16 2019-05-15 Karsten Mfg Corp Multi-process hardening method
JP2019528890A (ja) * 2016-09-16 2019-10-17 カーステン マニュファクチュアリング コーポレーション マルチプロセス硬化方法
GB2568435B (en) * 2016-09-16 2022-11-09 Karsten Mfg Corp Multi-process hardening method
US20180160216A1 (en) * 2016-12-06 2018-06-07 Bose Corporation Earpieces employing viscoelastic materials
US10623846B2 (en) * 2016-12-06 2020-04-14 Bose Corporation Earpieces employing viscoelastic materials
CN109745680A (zh) * 2018-12-25 2019-05-14 易富城 一种高尔夫推杆杆头及其制备方法和一种高尔夫推杆
US11491378B2 (en) 2018-12-25 2022-11-08 Tat Wong Golf putter head and method for manufacturing the same, and golf putter
US11554298B2 (en) 2019-09-13 2023-01-17 Karsten Manufacturing Corporation Golf club heads having a localized heat affected zone
US12109462B2 (en) 2019-09-13 2024-10-08 Karsten Manufacturing Corporation Golf club heads having a localized heat affected zone

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AS Assignment

Owner name: FU SHENG INDUSTRIAL CO., LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHIANG, MING-JUI;REEL/FRAME:018678/0688

Effective date: 20061120

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION