发明名称 |
Multi-piece solid golf ball |
摘要 |
A multi-piece solid golf ball comprising a core consisting of an inner sphere and an enclosure layer surrounding the inner sphere and a cover surrounding the core and consisting of an outer layer and an inner layer is characterized in that the outer layer of the cover has a hardness of 40-60 in Shore D, the inner layer of the cover has a hardness of 55-70 in Shore D, the surface hardness of the enclosure layer is lower in Shore D than the surface hardness of the inner sphere, the inner sphere has a hardness expressed by a distortion of 1.5-4.5 mm under an applied load of 100 kg, and the ratio of the hardness A of the inner sphere to the hardness B of the ball, both expressed by a distortion under an applied load of 100 kg, is in the range: 0.4</=A/B</=1.8.
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申请公布号 |
US6123630(A) |
申请公布日期 |
2000.09.26 |
申请号 |
US19980086411 |
申请日期 |
1998.05.29 |
申请人 |
BRIDGESTONE SPORTS CO., LTD. |
发明人 |
HAYASHI, JUNJI;YAMAGISHI, HISASHI;HIGUCHI, HIROSHI |
分类号 |
A63B37/00;A63B37/12;(IPC1-7):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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