发明名称 |
Iron golf club head and iron golf club |
摘要 |
In an iron golf club head with a face portion and a neck portion integrally molded by forging, the iron golf club head is made of an iron steel material at least containing 0.30% by weight or less of carbon and 0.0005% by weight to 0.003% by weight of boron. The face portion has been subjected to quenching processing. |
申请公布号 |
EP2848287(A1) |
申请公布日期 |
2015.03.18 |
申请号 |
EP20140184144 |
申请日期 |
2014.09.09 |
申请人 |
MIZUNO CORPORATION;CHUO INDUSTRIES, LTD. |
发明人 |
DOI, KAZUHIRO;YOSHIKAWA, JUN |
分类号 |
A63B53/04;C21D8/00;C22C38/00 |
主分类号 |
A63B53/04 |
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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