US20040192468A1 - Composite metal wood - Google Patents

Composite metal wood Download PDF

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Publication number
US20040192468A1
US20040192468A1 US10/757,383 US75738304A US2004192468A1 US 20040192468 A1 US20040192468 A1 US 20040192468A1 US 75738304 A US75738304 A US 75738304A US 2004192468 A1 US2004192468 A1 US 2004192468A1
Authority
US
United States
Prior art keywords
cover
primary body
metalwood
portion
golf club
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
US10/757,383
Inventor
Kenji Onoda
Katsuyuki Aizawa
Philip Chuang
Junichi Dogan
Shuichi Noguchi
Shinichi Inukai
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.)
Mizuno Corp
Original Assignee
Mizuno Corp
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 JP2002-349443 priority Critical
Priority to JP2002349443 priority
Priority to JP2003020349 priority
Priority to JP2003-020347 priority
Priority to JP2003-020348 priority
Priority to JP2003020347 priority
Priority to JP2003-020349 priority
Priority to JP2003020348 priority
Application filed by Mizuno Corp filed Critical Mizuno Corp
Assigned to MIZUNO CORPORATION reassignment MIZUNO CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DOGAN, JUNICHI, INUKAI, SHINICHI, NOGUCHI, SHUICHI, ONODA, KENJI, CHUANG, PHILIP, AIZAWA, KATSUYUKI
Publication of US20040192468A1 publication Critical patent/US20040192468A1/en
Application status is Abandoned legal-status Critical

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Classifications

    • 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
    • A63B2053/0433Heads with special sole configurations
    • A63B2053/0437Heads with special sole configurations with special crown configurations
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B2053/045Strengthening ribs
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00Characteristics of used materials
    • A63B2209/02Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A63B2209/023Long, oriented fibres, e.g. wound filaments, woven fabrics, mats

Abstract

A golf club head having a primary body of a first material defining an opening. A cover of a second material which covers the opening and includes a periphery. The cover being unsuitable for welding with the primary body. A reinforcing edge mask having a first portion bonded to and at least partially covering the periphery of the cover and also having a second portion secured to the primary body.

Description

  • This application is a continuation-in-part of the US Application filed on Dec. 2, 2003 which as of date has an unknown serial number, but which is identified by the title Golf Club Head and Manufacturing Method Thereof, having inventors Kenji Onoda, Katsuyuki Aizawa, and Philip Chuang which claimed priority from Japanese patent application 2002-349443, filed Dec. 2, 2002. This application also claims priority from Japanese patent application numbers 2003-020349, 2003-020348, and 2003-020347, all filed on Jul. 14, 2003. [0001]
  • This invention relates to a golf club commonly referred to as a metalwood such as a driver or fairway club which includes a composite component and more particularly relates to a metalwood utilizing a joint member for interconnecting a non-metallic portion of a metalwood to a metallic portion of a metalwood. [0002]
  • BACKGROUND OF THE INVENTION
  • There is a constant quest for golf club designers to manipulate the center of gravity of golf clubs depending on the skill of the golfer, and also to manipulate the club's moment of inertia which helps prevent twisting of the golf club. For drivers in particular, there has been a trend to develop larger golf club heads. Since it is customary for drivers to weigh approximately two hundred grams, the enlargement of drivers has been accomplished by utilizing lightweight materials such as titanium, and also to substitute metallic components with composite components. [0003]
  • However, certain problems may arise when composite components are utilized in combination with metallic components. For instance, U.S. publication 2003/0083151 discloses a golf club head of a metalwood variety which includes a metallic portion and a composite portion. While such a design is suitable for its intended purpose, certain improvements may be had. For instance, the composite material may possibly be subject to cracking due to the stresses placed upon it by the golf club face striking a ball. This is due because, when striking a ball repeatedly, vibration due to impact by the striking is generated entirely in the golf club head each time it hits the ball. Thus, because different materials are present in the main body, the differences in the transmission of vibration by the impact, and the amount of deformation in material due to the impact are generated. Consequently, a deviation or gap may be generated in the joining section between the composite and metal members, thereby leading to destruction of the golf club head. [0004]
  • Additional problems exist in that as the club head becomes too large, it may become difficult to square the clubface to the ball at impact as a majority of the weight of the golf club head is moved away from the golf club shaft, which is the point of rotation for the golf club head for striking the golf ball. [0005]
  • Accordingly, it is an object of the present invention to provide a golf club head of the metalwood type which is large but also which is easy to square upon impact. [0006]
  • It is also an object of the present invention to provide a golf club head of the metalwood type which has a primary head comprised of a first material and a cover of a second material which is unsuitable for welding with the first material integrated in a manner which facilitates the integrity of the bonding between the two dissimilar components, which makes for a more durable and aesthetic metalwood. [0007]
  • SUMMARY OF THE INVENTION
  • A golf club head having a primary body of a first material defining an opening. A cover of a second material which covers the opening and includes a periphery. The cover being unsuitable for welding with the primary body. A reinforcing edge mask having a first portion bonded to and at least partially covering the periphery of the cover and also having a second portion secured to the primary body.[0008]
  • DESCRIPTION OF THE DRAWING DESCRIPTION OF THE DRAWINGS
  • The construction designed to carry out the invention will hereinafter be described, together with other features thereof. [0009]
  • The invention will be more readily understood from a reading of the following specification and by reference to the accompanying drawings forming a part thereof, wherein an example of the invention is shown and wherein: [0010]
  • FIG. 1 is an exploded view of the composite metalwood of the present invention; [0011]
  • FIG. 2 is an exploded view of a joint member utilized with the composite metalwood of the present invention; [0012]
  • FIG. 3 illustrates the assembled composite metalwood; [0013]
  • FIG. 4 illustrates the integration of the assembled components; [0014]
  • FIG. 5 is a sole view of the composite metalwood illustrating a composite component of the toe in addition to the corrugated heel weights; [0015]
  • FIG. 6 is a front view of a composite metalwood having a chamfered toe portion; and [0016]
  • FIG. 7 is a toe view of the metalwood of the present invention illustrating the chamfered toe potion and composite toe portion. [0017]
  • DESCRIPTION OF THE PREFERRED EMBODIMENT
  • Now, reference will be made with respect to the drawings for understanding of the preferred embodiment of the invention. [0018]
  • As shown in FIG. 1, metalwood A includes a primary head component [0019] 10 of a first material and a cover 11 which is of a second material . Preferably, primary head component 10 is metallic comprised of either a cast body, or individual forged components integrated together. Primary head component 10 includes a face portion 12, a crown portion 14, a hosel 16, a heel portion 18, a toe portion 20, and a rear portion 22 which interconnects the toe portion and heel portion. As shown in FIGS. 2 and 3, reinforcing edge mask 24 interconnects cover 11 with primary head component 10.
  • As shown in FIG. 1, crown portion [0020] 14 of primary head component 10 defines a crown opening 26 within the crown portion. Preferably, a recess 28 is defined within the crown portion, providing a seat for cover 11 for covering crown opening 26. Crown portion 14 includes an upper surface defining an upper profile and an intermediary crown portion 30 which junctions the upper surface with recess 28. Preferably, intermediary crown portion 30 is sloped providing a seat for reinforcing edge mask 24 defining a U-shaped groove, but other groove configurations may be obtained. To provide strength for larger driver heads, but not necessarily needed for fairway woods, structural support bars 32 extend from one side of recess 28, to another side of recess 28, through crown opening 26. In the preferred embodiment, support bars 32 are of an X shape having an intersecting point 34. Also in the preferred embodiment, support bars 32 are perforated, further limiting the weight of the support bars enabling the center of gravity of the metalwood to be further lowered.
  • As shown in FIG. 2, cover [0021] 11 is positioned onto primary head component 10 in a manner which covers crown opening 26. Preferably, cover 11 fits in recess 28. Cover 11 is of a material which is distinct from the material utilized for primary body 10 and which is unsuitable for welding with primary body 10. Preferably cover 11 is non-metallic when primary body 10 is metallic and preferably is of fiber reinforced resin material such as metallic fiber, glass fiber, ceramic base fiber, organic base fiber, alumina fiber, boron fiber, titanium potassium fiber, carbon fiber, and/or fiber composed of these mixtures may be used. Particularly, carbon fiber is preferable to reduce the weight of the golf club. Of course, the invention considers that the primary body may be metal such as titanium and the cover may be another metal such as magnesium or the primary body may be ceramic or reinforced plastic and the cover metallic. In each of these circumstances, the cover is not suitable for welding to the primary body.
  • As shown in FIGS. 2 and 3, reinforcing edge mask [0022] 24 is utilized for integrating cover 11 with primary body head 10. Reinforcing edge mask 24 may either be metallic or fiber reinforced resin material. As shown in the preferred embodiment, when the primary body is metal, the reinforcing edge mask may preferably be composed of a plurality of individual joint member elements 24 a, 24 b and 24 c which each have the reinforcing fiber extending outward from a central radius for added strength, and are integrated together in a configuration suitable for being received in intermediary crown portion 30. In the preferred embodiment, reinforcing edge mask 24 consists of several layers of elements 24 a, 24 b and 24 c, which are stacked upon each other. In the preferred embodiment, intermediary crown portion 30 extends around the periphery of cover 11, and reinforcing edge mask 24 extends over the periphery of cover 11, and is received by intermediary crown portion 30. However as most of the force exhibited onto cover 11 stems from the impact of the face of the metalwood, it is not necessary to completely envelope cover 11 by reinforcing edge mask 24. Preferably reinforcing edge mask 24 is stronger than composite cover 11. Also, reinforcing edge mask may be metallic. The focus of reinforcing edge mask is to facilitate the bond between the materials of the crown and cover which are unsuitable for bonding.
  • As shown in FIG. 4, reinforcing edge mask [0023] 24 interconnects cover 11 with primary body 10. Preferably, an adhesive agent 36 is applied to both cover 11, and primary body 10, prior to reinforcing edge mask 24 being seated on top of primary body 10 and cover 11. In effect, reinforcing edge mask 24 functions as a reinforcing component of cover 11, by absorbing most of the forces transmitted by the face of the metalwood upon impact with a golf balls. This enables cover 11 to maintain its initial position within seat 28. The specific aspects of reinforcing edge mask 24 are discussed in the parent application entitled Golf Club Head and Manufacturing Method Thereof, having inventors Kenji Onoda, Katsuyuki Aizawa and Philip Chuang, which claimed priority from Japanese patent application 2002-349443 filed Dec. 2, 2002 and which was filed in the United States on Dec. 2, 2003. The parent application is attached as Appendix A and is incorporated by reference. In the preferred embodiment, adhesive agents are utilized for additionally securing cover 11 within recess 28.
  • As shown in FIGS. 1 and 5, to further assist in moving the center of gravity towards the shaft axis, corrugated detents [0024] 50 and 52 are formed within the primary body 10 on the hosel side of the body. These corrugated detents enable more weight to be applied towards the shaft axis in an efficient manner. In the preferred embodiment, corrugated detents 50 and 52 do not extend past the midline of the golf club head, but such configuration is adjustable depending on the overall weight distribution of the club head.
  • As shown in FIGS. 5 and 7, a further improvement to a metalwood includes defining a recess [0025] 40 within the toe portion of the metalwood and inserting a composite toe component 42 within the recess. The insertion of a composite toe component removes weight from the toe portion enabling the center of gravity to be moved closer to the shaft axis.
  • As shown in FIGS. 6 and 7, a further improvement to a metalwood includes chamfering the toe portion between the sole and the crown of the metalwood. The chamfered toe portion [0026] 44 removes weight from the toe enabling the center of gravity of the metalwood to be moved closer to the shaft axis.
  • In operation, the utilization of a composite component within the metallic primary body enables weight to removed from the club head enabling a larger club head to be made while still maintaining an approximate weight of two hundred grams. The removal of weight from the crown of the club head lowers the center of gravity of the club head. The addition of a reinforcing edge mask maintains the integrity of the bonding of the non-metallic composite cover with the metallic club head. Further advances are achieved via the utilization of support bars, chamfered toe portion and a composite toe portion. Each of these advances may be combined or utilized individually depending upon the desired attributes of the metalwood. [0027]
  • While a preferred embodiment of the invention has been described using specific terms, such description is for illustrative purposes only, and once the innovative features of the invention are known, it is to be understood that changes and variations may be made without departing from the spirit or scope of the following claims. [0028]

Claims (1)

What is claimed is:
1. A golf club head comprising:
a primary body of a first material;
said primary body defining an opening;
a cover of a second material unsuitable for welding with said primary body covering said opening;
said cover having a periphery; and
a reinforcing edge mask having a first portion bonded to and at least partially covering the periphery of said cover; and
said reinforcing edge mask having a second portion secured to said primary body.
US10/757,383 2002-12-02 2004-01-14 Composite metal wood Abandoned US20040192468A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2002-349443 2002-12-02
JP2002349443 2002-12-02
JP2003-020347 2003-07-14
JP2003-020348 2003-07-14
JP2003020347 2003-07-14
JP2003020349 2003-07-14
JP2003-020349 2003-07-14
JP2003020348 2003-07-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/391,232 US20090227393A1 (en) 2002-12-02 2009-02-23 Composite metal wood

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US10/727,079 Continuation-In-Part US7128664B2 (en) 2002-12-02 2003-12-02 Golf club head and manufacturing method thereof

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/391,232 Continuation US20090227393A1 (en) 2002-12-02 2009-02-23 Composite metal wood

Publications (1)

Publication Number Publication Date
US20040192468A1 true US20040192468A1 (en) 2004-09-30

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US10/757,383 Abandoned US20040192468A1 (en) 2002-12-02 2004-01-14 Composite metal wood
US12/391,232 Abandoned US20090227393A1 (en) 2002-12-02 2009-02-23 Composite metal wood

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/391,232 Abandoned US20090227393A1 (en) 2002-12-02 2009-02-23 Composite metal wood

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Cited By (51)

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Publication number Priority date Publication date Assignee Title
US20050215352A1 (en) * 2004-03-23 2005-09-29 Sumitomo Rubber Industries, Ltd. Golf club head
US20050221915A1 (en) * 2002-12-11 2005-10-06 Taylor Made Golf Company, Inc. Golf club head
US20050272527A1 (en) * 2004-06-03 2005-12-08 Sri Sports Limited Golf club head
US20060014592A1 (en) * 2004-07-13 2006-01-19 Yasushi Sugimoto Golf club head
US20060019769A1 (en) * 2004-07-20 2006-01-26 Lai-Fa Lo Golf club head with improved striking effect
US7008332B2 (en) * 2004-01-28 2006-03-07 Trophy Sports, Inc. Golf club head with composite titanium-graphite head
US20060052181A1 (en) * 2004-09-08 2006-03-09 Karsten Manufacturing Corporation Metal-organic composite golf club head
US20060079349A1 (en) * 2004-10-13 2006-04-13 Rae John J Golf club head having a displaced crown portion
US20060240909A1 (en) * 2005-04-21 2006-10-26 Acushnet Company Golf club head with concave insert
US20070099727A1 (en) * 2005-10-28 2007-05-03 Sri Sports Limited Golf club head
US7214142B2 (en) * 2000-04-18 2007-05-08 Acushnet Company Composite metal wood club
US20070155539A1 (en) * 2005-09-20 2007-07-05 Schweigert Bradley D Golf club head having a crown with thin regions
US20070202964A1 (en) * 2005-01-03 2007-08-30 Callaway Golf Company Golf club head
US20080039228A1 (en) * 2005-04-21 2008-02-14 Acushnet Company Golf club head
US7361100B1 (en) 2006-12-20 2008-04-22 Karsten Manufacturing Corporation Metal composite golf club head
US20080153625A1 (en) * 2006-12-20 2008-06-26 Karsten Manufacturing Corporation Golf Club Heads with a Plurality of Stress Zones and Methods to Manufacture Golf Club Heads
US20080171612A1 (en) * 2007-01-12 2008-07-17 Karsten Manufacturing Corporation Golf Club Heads With One or More Indented Inserts and Methods to Manufacture Golf Club Heads
US20080248895A1 (en) * 2007-04-05 2008-10-09 Nike, Inc. Rotational molded golf club heads
GB2450764A (en) * 2007-07-03 2009-01-07 Karsten Mfg Corp Golf club heads with a plurality of stress zones
US20090036230A1 (en) * 2001-06-11 2009-02-05 Taylor Made Golf Company, Inc. Method for manufacturing and golf club head
US20100125000A1 (en) * 2008-11-17 2010-05-20 Nike, Inc. Golf club head or other ball striking device having multi-piece construction
US20110028242A1 (en) * 2005-08-15 2011-02-03 Acushnet Company Golf club head with low density crown
US20110039636A1 (en) * 2009-08-17 2011-02-17 Callaway Golf Company Selectively lightened wood-type golf club head
US20110092311A1 (en) * 2002-12-11 2011-04-21 Taylor Made Golf Company, Inc. Golf club head having a composite crown
US7938740B2 (en) * 2005-04-21 2011-05-10 Cobra Golf, Inc. Golf club head
US7980964B2 (en) 2005-04-21 2011-07-19 Cobra Golf, Inc. Golf club head with concave insert
US20120178550A1 (en) * 2011-01-04 2012-07-12 Solheim John A Golf club heads with apertures and methods to manufacture golf club heads
US8303433B2 (en) 2005-04-21 2012-11-06 Cobra Golf Incorporated Golf club head with moveable insert
US8485920B2 (en) 2005-07-13 2013-07-16 Cobra Golf Incorporated Metal wood golf club head
US20140155193A1 (en) * 2012-12-05 2014-06-05 Bridgestone Sports Co., Ltd. Golf club head
US8938871B2 (en) 2005-04-21 2015-01-27 Cobra Golf Incorporated Golf club head with high specific-gravity materials
US9079078B2 (en) 2011-12-29 2015-07-14 Taylor Made Golf Company, Inc. Golf club head
US9101811B1 (en) * 2012-06-08 2015-08-11 Callaway Golf Company CG height adjustability by conformal weighting
USD739905S1 (en) * 2014-08-14 2015-09-29 Karsten Manufacturing Corporation Golf club head
US20160016053A1 (en) * 2011-01-04 2016-01-21 Karsten Manufacturing Corporation Golf club heads with apertures and methods to manufacture golf club heads
US9393471B2 (en) 2005-04-21 2016-07-19 Cobra Golf Incorporated Golf club head with removable component
US9421438B2 (en) 2005-04-21 2016-08-23 Cobra Golf Incorporated Golf club head with accessible interior
US20160250534A1 (en) * 2011-01-04 2016-09-01 Karsten Manufacturing Corporation Golf club heads with apertures and filler materials
US9440123B2 (en) 2005-04-21 2016-09-13 Cobra Golf Incorporated Golf club head with accessible interior
US9504889B2 (en) 2005-04-21 2016-11-29 Cobra Golf Incorporated Golf club with multi-component construction
US20170136317A1 (en) * 2015-11-18 2017-05-18 Acushnet Company Multi-material golf club head
USD791257S1 (en) * 2016-04-01 2017-07-04 Nike, Inc. Golf club head
US9757630B2 (en) 2015-05-20 2017-09-12 Taylor Made Golf Company, Inc. Golf club heads
USD815706S1 (en) * 2012-06-28 2018-04-17 Karsten Manufacturing Corporation Golf club head
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US20180250560A1 (en) * 2014-08-26 2018-09-06 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US10086239B2 (en) 2015-11-18 2018-10-02 Acushnet Company Multi-material golf club head
US10232230B2 (en) 2015-11-18 2019-03-19 Acushnet Company Multi-material golf club head
US10245479B2 (en) 2015-11-18 2019-04-02 Acushnet Company Multi-material golf club head
US10315082B1 (en) 2017-11-30 2019-06-11 Bauer Hockey, Llc Hockey stick with co-molded construction
US10350464B2 (en) 2015-11-18 2019-07-16 Acushnet Company Multi-material golf club head

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Cited By (127)

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US7214142B2 (en) * 2000-04-18 2007-05-08 Acushnet Company Composite metal wood club
US9908015B2 (en) 2001-06-11 2018-03-06 Taylor Made Golf Company, Inc. Golf club head
US8579726B2 (en) 2001-06-11 2013-11-12 Taylor Made Golf Company, Inc. Method for manufacturing and golf club head
US10232233B2 (en) 2001-06-11 2019-03-19 Taylor Made Golf Company, Inc. Golf club head
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US10252122B2 (en) 2002-12-11 2019-04-09 Taylor Made Golf Company, Inc. Golf club head having a composite crown
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US8096896B2 (en) 2002-12-11 2012-01-17 Taylor Made Golf Company, Inc. Golf club head having a composite crown
US7854364B2 (en) 2002-12-11 2010-12-21 Taylor Made Golf Company, Inc. Golf club head having a composite crown
US7008332B2 (en) * 2004-01-28 2006-03-07 Trophy Sports, Inc. Golf club head with composite titanium-graphite head
US20050215352A1 (en) * 2004-03-23 2005-09-29 Sumitomo Rubber Industries, Ltd. Golf club head
US7261645B2 (en) * 2004-03-23 2007-08-28 Sri Sports Limited Golf club head
US7435190B2 (en) * 2004-06-03 2008-10-14 Sri Sports Limited Golf club head
US20050272527A1 (en) * 2004-06-03 2005-12-08 Sri Sports Limited Golf club head
US7371191B2 (en) * 2004-07-13 2008-05-13 Sri Sports Ltd. Golf club head
US20060014592A1 (en) * 2004-07-13 2006-01-19 Yasushi Sugimoto Golf club head
US20060019769A1 (en) * 2004-07-20 2006-01-26 Lai-Fa Lo Golf club head with improved striking effect
US7108614B2 (en) * 2004-07-20 2006-09-19 Fu Sheng Industrial Co., Ltd. Golf club head with improved striking effect
US20070155533A1 (en) * 2004-09-08 2007-07-05 Solheim John A Metal-organic composite golf club head
US20070032313A1 (en) * 2004-09-08 2007-02-08 Karsten Manufacturing Corporation Metal-organic composite golf club head
US20070032312A1 (en) * 2004-09-08 2007-02-08 Karsten Manufacturing Corporation Metal-organic composite golf club head
GB2417909B (en) * 2004-09-08 2008-08-13 Karsten Mfg Corp Golf club head
GB2417909A (en) * 2004-09-08 2006-03-15 Karsten Mfg Corp Golf club head with a metal/organic composite rear body
US20060052181A1 (en) * 2004-09-08 2006-03-09 Karsten Manufacturing Corporation Metal-organic composite golf club head
US20100292029A1 (en) * 2004-10-13 2010-11-18 Rae John J Golf club head having a displaced crown portion
US7789774B2 (en) 2004-10-13 2010-09-07 Roger Cleveland Golf Company, Inc. Golf club head having a displaced crown portion
US20060079349A1 (en) * 2004-10-13 2006-04-13 Rae John J Golf club head having a displaced crown portion
US7651414B2 (en) 2004-10-13 2010-01-26 Roger Cleveland Golf Company, Inc. Golf club head having a displaced crown portion
US7959523B2 (en) 2004-10-13 2011-06-14 Sri Sports Limited Golf club head having a displaced crown portion
US20080039234A1 (en) * 2005-01-03 2008-02-14 Callaway Golf Company Golf club head
US7494424B2 (en) * 2005-01-03 2009-02-24 Callaway Golf Company Golf club head
US20070202964A1 (en) * 2005-01-03 2007-08-30 Callaway Golf Company Golf club head
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