Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1997-12-23
2000-09-26
Buttner, David J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
525 92F, 525173, 525176, 525221, 473373, 473374, A63B 3700, A63B 3712
Patent
active
061243892
ABSTRACT:
The present invention is directed towards a multi-layer golf ball which comprises a core, a cover layer and at least one intermediate layers disposed between the core and cover, wherein the intermediate layer comprises an ethylene methacrylic/acrylic acid copolymer and optionally, a second thermoplastic component such as polyetherester block copolymer, polyesterester block copolymer, polyetheramide block copolymer, dynamically vulcanized thermoplastic elastomer, functionalized styrene-butadiene elastomer, thermoplastic polyurethane, thermoplastic polyesters, metallocene polymer or blends thereof and a filler such as zinc oxide, titanium dioxide or blends thereof. Further, in a preferred embodiment, the core has a compression less than 60, the finished ball has a COR (@ 125 ft/sec) of about 0.795 to about 0.815, the intermediate layer has a specific gravity of greater than about 1.2 and the cover has a Shore D hardness of about 60 to about 72.
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Cavallaro Christopher
Dalton Jeffrey L.
Rajagopalan Murali
Acushnet Company
Buttner David J.
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