| 发明名称 |
Golf club head |
| 摘要 |
A wood or iron golf club head comprising a ball-striking part and a hosel which are formed separately and joined together into an integral unit, the hosel containing microscopic pores, thus having a lower material density compared to that of the ball-striking part.
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| 申请公布号 |
US6106412(A) |
申请公布日期 |
2000.08.22 |
| 申请号 |
US19970985474 |
申请日期 |
1997.12.05 |
| 申请人 |
YAMAHA CORPORATION |
发明人 |
KOSUGI, KATSUHIKO;TSUCHIYA, KAZUHIRO;HOSHI, TOSHIHARU;IITAKE, YOSHIMI |
| 分类号 |
A63B53/02;A63B53/04;A63B59/00;B22F7/00;B22F7/06;(IPC1-7):A63B53/02 |
主分类号 |
A63B53/02 |
| 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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