ZA889636B - Golf ball - Google Patents

Golf ball

Info

Publication number
ZA889636B
ZA889636B ZA889636A ZA889636A ZA889636B ZA 889636 B ZA889636 B ZA 889636B ZA 889636 A ZA889636 A ZA 889636A ZA 889636 A ZA889636 A ZA 889636A ZA 889636 B ZA889636 B ZA 889636B
Authority
ZA
South Africa
Prior art keywords
golf ball
golf
ball
Prior art date
Application number
ZA889636A
Other languages
English (en)
Inventor
Michael J Sullivan
J Sullivan Michael
Original Assignee
Spalding & Evenflo
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22507524&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA889636(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Spalding & Evenflo filed Critical Spalding & Evenflo
Publication of ZA889636B publication Critical patent/ZA889636B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/12—Special coverings, i.e. outer layer material
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0023—Covers
    • A63B37/0024—Materials other than ionomers or polyurethane
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0023—Covers
    • A63B37/0029—Physical properties
    • A63B37/003—Coefficient of restitution
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0023—Covers
    • A63B37/0029—Physical properties
    • A63B37/0031—Hardness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0023—Covers
    • A63B37/0029—Physical properties
    • A63B37/0037—Flexural modulus; Bending stiffness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/007—Characteristics of the ball as a whole
    • A63B37/0072—Characteristics of the ball as a whole with a specified number of layers
    • A63B37/0074—Two piece balls, i.e. cover and core
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • C08L23/0876—Neutralised polymers, i.e. ionomers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/04—Homopolymers or copolymers of ethene
    • C09D123/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/908—Composition having specified shape, e.g. rod, stick, or ball, and other than sheet, film, or fiber

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
ZA889636A 1988-01-15 1988-12-27 Golf ball ZA889636B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/144,200 US4884814A (en) 1988-01-15 1988-01-15 Golf ball

Publications (1)

Publication Number Publication Date
ZA889636B true ZA889636B (en) 1989-09-27

Family

ID=22507524

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA889636A ZA889636B (en) 1988-01-15 1988-12-27 Golf ball

Country Status (13)

Country Link
US (1) US4884814A (ja)
JP (1) JP2709950B2 (ja)
KR (1) KR930001279B1 (ja)
AU (1) AU620578B2 (ja)
CA (1) CA1327857C (ja)
DE (1) DE3900097C2 (ja)
ES (1) ES2013831A6 (ja)
FR (1) FR2625909B1 (ja)
GB (1) GB2214515B (ja)
IT (1) IT1229901B (ja)
NZ (1) NZ227609A (ja)
SE (1) SE8900122L (ja)
ZA (1) ZA889636B (ja)

Families Citing this family (270)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5029870A (en) * 1989-09-19 1991-07-09 Acushnet Company Painted golf ball
US6193616B1 (en) 1990-07-27 2001-02-27 Spalding Sports Worldwide, Inc. Low modulus covered golf balls
US6407176B1 (en) 1990-07-27 2002-06-18 Spalding Sports Worldwide, Inc. Golf ball cover compositions
US5328959A (en) * 1990-07-27 1994-07-12 Lisco, Inc. Golf ball cover compositions
US5120791A (en) * 1990-07-27 1992-06-09 Lisco, Inc. Golf ball cover compositions
US5197740A (en) * 1990-08-02 1993-03-30 Ram Golf Corporation Golf ball having improved cover composition
MX9101416A (es) * 1990-10-16 1994-05-31 Kimberly Clark Co Composiciones de tela polimericas amigables al ambiente.
JP2665991B2 (ja) * 1990-10-18 1997-10-22 住友ゴム工業株式会社 ゴルフボールおよびその製造方法
US5492972A (en) * 1990-12-10 1996-02-20 Acushnet Company Golf ball cover
EP0490619A1 (en) * 1990-12-10 1992-06-17 Acushnet Company Golf ball cover
US5837775A (en) * 1990-12-10 1998-11-17 Acushnet Company Golf ball composition
US5123659A (en) * 1991-03-01 1992-06-23 Wilson Sporting Goods Co. Game ball
US5198301A (en) * 1991-05-17 1993-03-30 Minnesota Mining And Manufacturing Company Flexible and conformable ionomeric resin based films
US5314187A (en) * 1991-07-26 1994-05-24 Wilson Sporting Goods Co. Golf ball with improved cover
US5516847A (en) * 1991-09-03 1996-05-14 Lisco, Inc. Golf ball cover having an ionic copolymer/non-ionic copolymer blend
JP3065398B2 (ja) * 1991-09-25 2000-07-17 住友ゴム工業株式会社 ゴルフボール
US5368304A (en) * 1993-04-28 1994-11-29 Lisco, Inc. Low spin golf ball
US6271316B1 (en) 1993-04-28 2001-08-07 Spalding Sports Worldwide, Inc. Low spin golf ball
CA2078842C (en) * 1991-10-15 2000-03-07 Michael J. Sullivan Improved golf ball covers containing high acid ionomers
US6433094B1 (en) 1991-10-15 2002-08-13 Spalding Sports Worldwide, Inc. Golf ball covers containing high acid ionomers
JP3064090B2 (ja) * 1992-02-17 2000-07-12 住友ゴム工業株式会社 ゴルフボール
US20010020068A1 (en) * 1992-06-19 2001-09-06 Spalding Sports Worldwide, Inc. Golf ball cover compositions
CA2088140C (en) * 1992-06-19 2000-08-22 Michael J. Sullivan High acid ionomers and golf ball cover compositions comprising same
US6451923B1 (en) 1992-06-19 2002-09-17 Spalding Sports Worldwide, Inc. Low spin golf ball
JPH0654929A (ja) * 1992-08-06 1994-03-01 Sumitomo Rubber Ind Ltd ゴルフボール
JP2570587B2 (ja) * 1992-08-31 1997-01-08 ブリヂストンスポーツ株式会社 マルチピースソリッドゴルフボール
GB2276628B (en) * 1993-03-17 1996-03-13 Bridgestone Sports Co Ltd Golf balls
US5605968A (en) * 1993-03-17 1997-02-25 Bridgestone Sports, Co., Ltd. Golf ball
US5321089A (en) * 1993-03-30 1994-06-14 Dunlop Slazenger Corporation Golf ball cover
JP3292399B2 (ja) * 1993-04-08 2002-06-17 三井・デュポンポリケミカル株式会社 ゴルフボール表皮材用組成物
US6207759B1 (en) 1993-04-08 2001-03-27 E. I. Du Pont De Nemours And Company Composition for a cover of a golf ball
US6220972B1 (en) 1993-04-28 2001-04-24 Spalding Sports Worldwide, Inc. Golf ball with multi-layer cover
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US5833553A (en) 1993-04-28 1998-11-10 Lisco, Inc. Golf ball
US6676876B2 (en) 1993-04-28 2004-01-13 The Top-Flite Golf Company Method of molding a low spin golf ball comprising silicone material
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US6142887A (en) * 1996-09-16 2000-11-07 Spalding Sports Worldwide, Inc. Golf ball comprising a metal, ceramic, or composite mantle or inner layer
US6837805B2 (en) 1993-04-28 2005-01-04 Callaway Golf Company Golf ball with multi-layer cover
US6244977B1 (en) 1996-09-16 2001-06-12 Spalding Sports Worldwide, Inc. Golf ball comprising a metal mantle with a cellular or liquid core
US6682440B2 (en) 1993-04-28 2004-01-27 Callaway Golf Company Golf ball with multi-layer cover
US6261193B1 (en) 1993-04-28 2001-07-17 Spalding Sports Worldwide, Inc. Low spin golf ball utilizing perimeter weighting
US6159110A (en) * 1997-03-28 2000-12-12 Spalding Sports Worldwide, Inc. Golf ball utilizing silicone materials
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US6548618B2 (en) 1993-06-01 2003-04-15 Spalding Sports Worldwide, Inc. Golf ball having dual core and thin polyurethane cover formed by RIM
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US6648777B2 (en) 1993-06-01 2003-11-18 Callaway Golf Company Multi-layer golf ball
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US6419594B1 (en) 1993-06-01 2002-07-16 Spalding Sports Worldwide, Inc. Distance multi-layer golf ball
US7494427B2 (en) * 2001-11-05 2009-02-24 Callaway Golf Company Multi-layer golf ball
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US6663508B1 (en) 1993-06-01 2003-12-16 Callaway Golf Company Multi-layer golf ball with reaction injection molded polyurethane component
US6394913B1 (en) 1993-06-01 2002-05-28 Spalding Sports Worldwide, Inc. Multi-layer golf ball
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US6290614B1 (en) 1998-03-18 2001-09-18 Spalding Sports Worldwide, Inc. Golf ball which includes fast-chemical-reaction-produced component and method of making same
US6432000B1 (en) 1993-06-01 2002-08-13 Spalding Sports Worldwide, Inc. Multilayer golf ball with filled inner layer having dual core, liquid core, or wound core
US6287217B1 (en) 1993-06-01 2001-09-11 Spalding Sports Worldwide, Inc. Multi-layer golf ball
US6824476B2 (en) * 1993-06-01 2004-11-30 Callaway Golf Company Multi-layer golf ball
US5691418A (en) * 1993-06-18 1997-11-25 E. I. Du Pont De Nemours And Company Soft ionomer compositions and blends thereof and use thereof as golf ball structural materials
JP2658811B2 (ja) 1993-07-08 1997-09-30 ブリヂストンスポーツ株式会社 スリーピースソリッドゴルフボール
JP2910516B2 (ja) 1993-07-08 1999-06-23 ブリヂストンスポーツ株式会社 スリーピースソリッドゴルフボール
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US5409974A (en) * 1993-09-22 1995-04-25 Lisco, Inc. Golf ball containing optical brightener blend
US5415937A (en) * 1993-10-21 1995-05-16 Dunlop Slazenger Corporation Golf ball cover
JP3257739B2 (ja) * 1993-12-28 2002-02-18 住友ゴム工業株式会社 ゴルフボール
JP3441010B2 (ja) * 1994-02-09 2003-08-25 ブリヂストンスポーツ株式会社 ゴルフボール
JP3355766B2 (ja) * 1994-02-10 2002-12-09 ブリヂストンスポーツ株式会社 ゴルフボール用カバー組成物
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JP3375004B2 (ja) * 1994-02-28 2003-02-10 住友ゴム工業株式会社 ゴルフボール
JP3365694B2 (ja) * 1994-12-08 2003-01-14 住友ゴム工業株式会社 ゴルフボール
US6743847B1 (en) 1994-12-20 2004-06-01 Callaway Golf Company Golf ball cover compositions
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US5824746A (en) * 1995-01-24 1998-10-20 Acushnet Company Golf balls incorporating foamed metallocene catalyzed polymer
US6677401B2 (en) 1995-01-24 2004-01-13 Acushnet Company Multi-layer golf ball with a thin, castable outer layer
US6150462A (en) * 1995-01-24 2000-11-21 Acushnet Company Golf ball compositions formed from single site catalyzed polymers
US6414082B1 (en) 1995-01-24 2002-07-02 Acushnet Company Golf ball compositions formed of grafted metallocene-catalyzed polymer blends
US6800690B2 (en) * 1995-01-24 2004-10-05 Acushnet Company Golf balls incorporating polyamide polymers
US6653403B2 (en) 1995-01-24 2003-11-25 Acushnet Company Golf balls having a cover layer formed from an ionomer and metallocene-catalyzed polyolefin blend and methods of making same
US5703166A (en) * 1995-01-24 1997-12-30 Acushnet Company Golf ball compositions based on blends of olefinic ionomers and metallocene catalyzed polymers
JPH08215344A (ja) * 1995-02-10 1996-08-27 Sumitomo Rubber Ind Ltd ゴルフボール
JP3496847B2 (ja) * 1995-02-10 2004-02-16 住友ゴム工業株式会社 ゴルフボール
US5810678A (en) * 1995-06-07 1998-09-22 Acushnet Company Multilayer golf ball
US5631324A (en) 1995-06-07 1997-05-20 Acushnet Company Golf ball covers
US7041721B2 (en) * 1995-06-07 2006-05-09 Acushnet Company Highly neutralized polymer golf ball compositions including oxa acids and methods of making same
US6255361B1 (en) 1995-11-21 2001-07-03 Acushnet Company Golf ball compositions and method of making same
US7015300B2 (en) 1995-06-07 2006-03-21 Acushnet Company Multilayered golf ball and composition
US5947842A (en) * 1995-06-07 1999-09-07 Acushnet Company Multi-layer low-spin golf ball
US5759676A (en) * 1995-06-07 1998-06-02 Acushnet Company Multilayer golf ball
US7153467B2 (en) * 1995-06-07 2006-12-26 Acushnet Company Method of making a golf ball with a multi-layer core
US7014573B2 (en) 1995-06-07 2006-03-21 Acushnet Company Method of making a golf ball with a multi-layer core
US6616549B2 (en) * 1995-06-07 2003-09-09 Acushnet Company Multi-layer high spin golf ball
US6315680B1 (en) 1995-06-07 2001-11-13 Acushnet Company Multilayer golf ball
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US7131914B2 (en) * 1995-06-07 2006-11-07 Acushnet Company Method of making a golf ball with a multi-layer core
US5813923A (en) * 1995-06-07 1998-09-29 Acushnet Company Golf ball
JP3625546B2 (ja) * 1995-09-29 2005-03-02 住友ゴム工業株式会社 ゴルフボール
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US6303704B1 (en) * 1996-02-06 2001-10-16 Spalding Sports Worldwide, Inc. Method of improving scuff and cut resistance of cover for game ball
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US7594866B2 (en) 1996-02-16 2009-09-29 Acushnet Company Method of making a golf ball with a multi-layer core
US6517451B2 (en) 1996-02-23 2003-02-11 Christopher Cavallaro Golf ball composition
US6218453B1 (en) 1998-02-23 2001-04-17 Acushnet Company Golf ball composition
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Also Published As

Publication number Publication date
IT8947525A0 (it) 1989-01-12
GB2214515A (en) 1989-09-06
GB8900625D0 (en) 1989-03-08
KR930001279B1 (ko) 1993-02-25
IT1229901B (it) 1991-09-16
FR2625909A1 (fr) 1989-07-21
AU2700888A (en) 1989-07-20
DE3900097A1 (de) 1989-09-28
US4884814B1 (ja) 1992-02-18
CA1327857C (en) 1994-03-15
KR890011619A (ko) 1989-08-21
NZ227609A (en) 1991-01-29
DE3900097C2 (de) 1996-08-29
GB2214515B (en) 1992-10-14
JPH01308577A (ja) 1989-12-13
ES2013831A6 (es) 1990-06-01
US4884814A (en) 1989-12-05
FR2625909B1 (fr) 1994-11-04
SE8900122D0 (sv) 1989-01-13
SE8900122L (sv) 1989-07-16
AU620578B2 (en) 1992-02-20
JP2709950B2 (ja) 1998-02-04

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