| 发明名称 |
Spin milled grooves for a golf club |
| 摘要 |
The present invention is directed to a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra.
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| 申请公布号 |
US2005130761(A1) |
申请公布日期 |
2005.06.16 |
| 申请号 |
US20040902064 |
申请日期 |
2004.07.30 |
| 申请人 |
VOKEY ROBERT W.;GILBERT PETER J.;BURNETT M. S.;KAYS CHRISTOPHER R. |
发明人 |
VOKEY ROBERT W.;GILBERT PETER J.;BURNETT M. S.;KAYS CHRISTOPHER R. |
| 分类号 |
A63B53/04;(IPC1-7):A63B53/04 |
主分类号 |
A63B53/04 |
| 代理机构 |
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