发明名称 GOLF CLUB HEAD
摘要 <p>[Problem] To provide a light-weight and high-strength golf club head. [Solution] A head (2) comprising a face (4), a sole (8), and a crown (6). The face (4) has a face front surface (fs) and a face rear surface (fr). A plurality of protrusions (A) are provided in the face rear surface (fr). The protrusions (A) are dot shaped in the planar view. An arbitrary first direction and a second direction perpendicular to this first direction are defined in the planar view. Ideally, the regularity of arrangement of the protrusions (A) in the second direction is greater than the regularity of arrangement of the protrusions (A) in the first direction. Ideally, the first direction is vertical and the second direction is horizontal.</p>
申请公布号 WO2014061733(A1) 申请公布日期 2014.04.24
申请号 WO2013JP78169 申请日期 2013.10.17
申请人 DUNLOP SPORTS CO. LTD. 发明人 ABE HIROSHI;KUWABARA TATSUHIKO
分类号 A63B53/04 主分类号 A63B53/04
代理机构 代理人
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