发明名称 |
GOLF BALL WITH A NON-IONOMERIC INNER COVER, STIFF TPU INTERMEDIATE COVER, AND CAST THERMOSET OUTER COVER |
摘要 |
A golf ball including a core and a cover disposed about the core. The cover includes a thermoplastic inner cover layer having a hardness between 55 and 60 Shore D; an outer cover layer having a hardness between 55 and 60 Shore D; and a stiff intermediate cover layer disposed between the inner and outer cover layers and having a hardness greater than the inner cover layer and the outer cover layer. The inner cover layer is formed from a non-ionomeric composition including a non-ionomeric stiffening polymer and at least one E/Y copolymer or E/X/Y terpolymer, where E is an olefin, Y is a carboxylic acid, and X is a softening comonomer. The intermediate cover layer is formed from a stiff thermoplastic polyurethane or polyurea composition and the cover outer cover layer is formed from a thermoset polyurethane, a polyurea, or a urethane-urea blend.
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申请公布号 |
US2013130840(A1) |
申请公布日期 |
2013.05.23 |
申请号 |
US201213723433 |
申请日期 |
2012.12.21 |
申请人 |
ACUSHNET COMPANY;ACUSHNET COMPANY |
发明人 |
SULLIVAN MICHAEL J.;COMEAU BRIAN;BINETTE MARK L.;BULPETT DAVID A. |
分类号 |
A63B37/00 |
主分类号 |
A63B37/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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