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GB1021424A - Improvements in and relating to balls - Google Patents

Improvements in and relating to balls

Info

Publication number
GB1021424A
GB1021424A GB14262A GB14262A GB1021424A GB 1021424 A GB1021424 A GB 1021424A GB 14262 A GB14262 A GB 14262A GB 14262 A GB14262 A GB 14262A GB 1021424 A GB1021424 A GB 1021424A
Authority
GB
United Kingdom
Prior art keywords
core
polyurethane
rubber
diisocyanate
mixed
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.)
Expired
Application number
GB14262A
Inventor
Denis Anthony Norman Osborne
Peter Ford
David Mountford
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.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber 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 Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Priority to GB14262A priority Critical patent/GB1021424A/en
Priority to DE19631428816 priority patent/DE1428816A1/en
Publication of GB1021424A publication Critical patent/GB1021424A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003Golf balls
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003Golf balls
    • A63B37/005Cores
    • A63B37/0051Materials other than polybutadienes; Constructional details
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003Golf balls
    • A63B37/007Characteristics of the ball as a whole
    • A63B37/0072Characteristics of the ball as a whole with a specified number of layers
    • A63B37/0076Multi-piece balls, i.e. having two or more intermediate layers
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B45/00Apparatus or methods for manufacturing balls

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)

Abstract

The cores of balls, and particularly golf balls, are impregnated with a polyurethane covering composition. The composition may be formed by reacting suitable polyesters (for example polyethylene glycol adipate), polyethers (e.g. polyglycols obtained from propylene oxide and tetrahydrofuran) or polyesteramides with an organic polyisocyanate or polyisothiocyanate (e.g. naphthalene diisocyanate, toluene diisocyanate or diphenylmethane diisocyanate). The resultant prepolymer is mixed with a cross-linking agent such as butane diol or an amine, fillers, mineral oils and colouring materials being added to the mixture if desired. In a particular example described, a liquid polyurethane prepolymer obtained from polytetrahydrofuran and toluene-diisocyanate is mixed with titanium dioxide and methylene-bis-(ortho-chloroaniline).ALSO:A ball comprises a cover of a polyurethane composition, and a core having a barrier which is impermeable to liquid polymers at a distance of between 0.2 mm and 3 mm radially inwards of the outer surface of the core. The invention is particularly applicable to a golf ball, and in the preferred method of manufacture, the ball is formed by impregnating the outer surface of the core with a liquid polyurethane precursor, (which may be mixed with fillers mineral oils and colouring materials), and converting the precursor to a cross-linked polyurethane, in which case the barrier serves to limit the degree of penetration of the cover material into the core. As described, the core may comprise either a fluid-filled, paste-filled, or solid centre, wound with layers of rubber thread and rubber tape, and the barrier is formed either by overlapping the edges of the rubber tape in one of said layers, or by dipping the core in a sealing compound at the appropriate stage of its manufacture, suitable sealing compounds being rubber latex, aqueous dispersions of synthetic rubbers, or solutions of synthetic rubbers in solvents which are not deleterious to the rubber windings of the core.
GB14262A 1962-01-02 1962-01-02 Improvements in and relating to balls Expired GB1021424A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB14262A GB1021424A (en) 1962-01-02 1962-01-02 Improvements in and relating to balls
DE19631428816 DE1428816A1 (en) 1962-01-02 1963-01-02 Balls with cores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14262A GB1021424A (en) 1962-01-02 1962-01-02 Improvements in and relating to balls

Publications (1)

Publication Number Publication Date
GB1021424A true GB1021424A (en) 1966-03-02

Family

ID=9699147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14262A Expired GB1021424A (en) 1962-01-02 1962-01-02 Improvements in and relating to balls

Country Status (2)

Country Link
DE (1) DE1428816A1 (en)
GB (1) GB1021424A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272079A (en) * 1978-10-02 1981-06-09 Sumitomo Rubber Industries, Ltd. Thread wound golf ball
EP0636390A1 (en) * 1993-07-30 1995-02-01 Sumitomo Rubber Industries, Co. Ltd Thread wound golf ball
US6030296A (en) * 1999-02-26 2000-02-29 Acushnet Company Wound golf ball
US6123632A (en) * 1998-11-02 2000-09-26 Spalding Sports Worldwide, Inc. Game ball with improved moisture resistance
US6475104B1 (en) 1999-03-12 2002-11-05 Acushnet Company Impregnated wound golf ball and methods of forming same
US6712716B2 (en) 1999-03-12 2004-03-30 Acushnet Company Multilayer golf ball with wound intermediate layer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0578466B1 (en) * 1992-07-06 1997-10-01 Acushnet Company Method and apparatus for forming polyurethane cover on golf ball core

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272079A (en) * 1978-10-02 1981-06-09 Sumitomo Rubber Industries, Ltd. Thread wound golf ball
EP0636390A1 (en) * 1993-07-30 1995-02-01 Sumitomo Rubber Industries, Co. Ltd Thread wound golf ball
US5542663A (en) * 1993-07-30 1996-08-06 Sumitomo Rubber Industries, Ltd. Thread wound golf ball
AU679751B2 (en) * 1993-07-30 1997-07-10 Sumitomo Rubber Industries, Ltd. Thread wound golf ball
US6123632A (en) * 1998-11-02 2000-09-26 Spalding Sports Worldwide, Inc. Game ball with improved moisture resistance
US6030296A (en) * 1999-02-26 2000-02-29 Acushnet Company Wound golf ball
WO2000050125A1 (en) * 1999-02-26 2000-08-31 Acushnet Company Wound golf ball
US6475104B1 (en) 1999-03-12 2002-11-05 Acushnet Company Impregnated wound golf ball and methods of forming same
US6712716B2 (en) 1999-03-12 2004-03-30 Acushnet Company Multilayer golf ball with wound intermediate layer

Also Published As

Publication number Publication date
DE1428816A1 (en) 1969-04-30

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