Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1997-06-12
2000-10-10
Buttner, David J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525196, 525201, 473372, 473378, 473385, A63B 3712
Patent
active
061302945
ABSTRACT:
In a golf ball comprising a core and a cover, the cover is composed mainly of a blend of a soft ionomer in the form of a magnesium ion neutralized ethylene/(meth)acrylic acid/acrylate terpolymer and a hard ionomer in the form of a magnesium ion neutralized ethylene/(meth)acrylic acid copolymer. The blend has a Shore D hardness of 44-60. The ball is minimized in restitution loss and has an increased initial velocity, spin receptivity, good hitting feel, and scuff resistance.
REFERENCES:
patent: 5298571 (1994-03-01), Statz
patent: 5397840 (1995-03-01), Sullivan
patent: 5688869 (1997-11-01), Sullivan
patent: 5691418 (1997-11-01), Hagman
Egashira Yoshinori
Ichikawa Yasushi
Kashiwagi Shunichi
Bridgestone Sports Co. Ltd.
Buttner David J.
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