Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-12-28
1998-10-20
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...
525 72, 525 74, 525 93, 473378, 473372, 473385, A63B 3712
Patent
active
058247408
ABSTRACT:
Disclosed is a golf ball having good shot feel and controllability as well as satisfactory flight performance and cut resistance. The golf ball has a core and a cover for covering the core, wherein said cover has a stiffness modulus of 100 to 250 MPa and comprises a heated mixture of an ionomer resin and a glycidyl group-modified styrene-based block copolymer having a JIS-A hardness of 30 to 90 as base resin, and optionally a maleic anhydride-modified olefin copolymer.
REFERENCES:
patent: 4985545 (1991-01-01), Sullivan
patent: 4994508 (1991-02-01), Shiraki
patent: 5066726 (1991-11-01), Modic
patent: 5504156 (1996-04-01), Takezaki
Sano Yoshinori
Tanaka Hiroaki
Yabuki Yoshikazu
Buttner David
Sumitomo Rubber Industries Ltd.
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