发明名称 |
Golf ball having a multilayer cover |
摘要 |
A golf ball comprising; a core and a multi-layered cover having an innermost layer enclosing the core, at least one intermediate layer enclosing the innermost layer, and an outermost layer enclosing the at least one intermediate layer. The innermost layer is composed of an ionomer resin, polyester elastomer, polyamide elastomer or polyurethane elastomer. The at least one intermediate layer is composed of an ionomer resin. The outermost layer is composed of an ionomer resin, ethylene-vinyl acetate copolymer, polyurethane or polyethylene or a mixture thereof, and the at least one intermediate layer includes at least one layer which is harder than the innermost layer and the outermost layer. |
申请公布号 |
US5816937(A) |
申请公布日期 |
1998.10.06 |
申请号 |
US19970780825 |
申请日期 |
1997.01.10 |
申请人 |
BRIDGESTONE SPORTS CO., LTD. |
发明人 |
SHIMOSAKA, HIROTAKA;IHARA, KEISUKE;MASUTANI, YUTAKA;INOUE, MICHIO;KASASIMA, ATUKI |
分类号 |
A63B37/00;(IPC1-7):A63B37/12;A63B37/06 |
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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