发明名称 |
Golf ball |
摘要 |
A golf ball having a plurality of dimples on a surface thereof characterized in that more than 40% of all dimples are polygonal in shape and have a double slope in section having a straight first slope and a straight second slope continued radially inwardly from the first slope, and the gradient of the first slope of said double slope disposed in the vicinity of a dimple edge is greater than that of the second slope disposed in the vicinity of the bottom thereof.
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申请公布号 |
US5338039(A) |
申请公布日期 |
1994.08.16 |
申请号 |
US19920958164 |
申请日期 |
1992.10.08 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
OKA, KENGO;OHSHIMA, SHINJI |
分类号 |
A63B37/00;(IPC1-7):A63B37/14 |
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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