Golf ball

Details Golf ball Golf ball

1997-11-12

2000-03-14

Buttner, David

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

437372, 437373, A63B 3700, A63B 3712

Patent

active

060374195

ABSTRACT:
The invention provides a golf ball comprising a core and a cover of inner and outer layers. The inner cover layer is mainly formed of a diamine complex ionomer resin obtained by reacting a divalent metal ion crosslinked form of an olefin-unsaturated carboxylic acid copolymer with an amine compound. The outer cover layer is mainly formed of an ionomer resin or non-ionomer thermoplastic elastomer. The ball is improved in restitution, control and feel at no sacrifice of durability.

REFERENCES:
patent: 4919434 (1990-04-01), Saito
patent: 5586950 (1996-12-01), Endo
patent: 5714546 (1998-02-01), Egashira
patent: 5730664 (1998-03-01), Asakura
patent: 5803831 (1998-09-01), Sullivan

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