发明名称 |
Golf ball having two-layer cover structure |
摘要 |
A two-layer cover structure having a hard inner layer and a soft outer layer, wherein the flight distance attained by using a driver or iron are increased and the ease of stopping the ball when making an approach shot is improved. The golf ball of the present invention comprises a core (1) and a cover formed on the core, wherein the cover has a two-layer cover structure of a hard inner cover layer (2) and a soft outer cover layer (3), and the inner cover layer (2) comprises a high-rigid polyamide resin present in an amount of not less than 5% by weight based on the total weight of the inner cover components.
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申请公布号 |
US5713802(A) |
申请公布日期 |
1998.02.03 |
申请号 |
US19960635192 |
申请日期 |
1996.04.19 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
MORIYAMA, KEIJI;YOKOTA, MASATOSHI;IWAMI, SATOSHI |
分类号 |
A63B37/12;A63B37/00;B29D99/00;B29K67/00;C08L23/08;C08L77/00;(IPC1-7):A63B37/12 |
主分类号 |
A63B37/12 |
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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