发明名称 |
Thread-wound golf ball |
摘要 |
In a thread-wound golf ball comprising a solid center, a thread rubber layer and a cover, the solid center has a single structure and is continuously increased in hardness from its center to its outer surface such that the difference in hardness between the center and 2 mm inside the outer surface is at least about 4 in JIS C scale hardness. The ball is improved in hitting feel.
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申请公布号 |
US5445387(A) |
申请公布日期 |
1995.08.29 |
申请号 |
US19930168145 |
申请日期 |
1993.12.17 |
申请人 |
BRIDGESTONE SPORTS, CO., LTD. OF 45 |
发明人 |
MARUKO, TAKASHI;CHIKARAISHI, TOSHIO |
分类号 |
A63B37/00;(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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