Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-09-02
1999-02-16
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...
473373, 473374, C08L 3302, C08L 5300, C08L 5302, A63B 3712
Patent
active
058721851
ABSTRACT:
In a golf ball comprising a core, an intermediate layer, and a cover, the intermediate layer is formed of a resin component consisting essentially of 10-60 parts by weight of a thermoplastic elastomer having a crystalline polyethylene block and 90-40 parts by weight of an ionomer resin having a melt index of 3-20 g/10 min. at 190.degree. C. The resin component is easily moldable into a highly resilient intermediate layer. The ball has improved flight performance, durability and feel.
REFERENCES:
patent: 4919434 (1990-04-01), Saito
patent: 5559188 (1996-09-01), Egashira
Higuchi Hiroshi
Ichikawa Yasushi
Kashiwagi Shunichi
Yamagishi Hisashi
Bridgestone Sports Co. Ltd.
Buttner David
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