发明名称 GOLF CLUB HEAD
摘要 A golf club head of this invention includes a sole portion and a face portion. The golf club head includes a metal member that forms the face portion. The surface of the metal member includes a plurality of score lines, and undulations continuously formed in the up-down direction of the face portion. The pitch between adjacent apexes of the undulations exceeds 3 mm. The score lines are formed at the apexes of the undulations.
申请公布号 US2015133234(A1) 申请公布日期 2015.05.14
申请号 US201414457744 申请日期 2014.08.12
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 BAN Wataru;KOMATSU Atsushi
分类号 A63B53/04 主分类号 A63B53/04
代理机构 代理人
主权项 1. A golf club head including a sole portion and a face portion, comprising: a metal member that forms said face portion, wherein a surface of said metal member comprises: a plurality of score lines; and undulations continuously formed in an up-down direction of said face portion, a pitch between adjacent apexes of said undulations exceeds 3 mm, and said score lines are formed at the apexes of said undulations.
地址 Tokyo JP