发明名称 GOLF CLUB HEAD AND METHOD FOR MANUFACTURING THE SAME
摘要 A method for manufacturing a golf club head having a hollow structure composed of a main body-member and a metal face member welded thereto, comprises the steps of: (a) preparing a rolled material having a constant thickness; (b) cutting out a face member part or blank from the rolled material; (c) making the face member by forming the turnback through press working on the face member part; and (d) reducing the thickness of a corresponding-to-turnback region by machining prior to the step (c), wherein the corresponding-to-turnback region is a region of the cutout face member part corresponding to the turnback, or a region of the rolled material corresponding to the turnback.
申请公布号 US2009275425(A1) 申请公布日期 2009.11.05
申请号 US20090366303 申请日期 2009.02.05
申请人 HIRANO TOMOYA 发明人 HIRANO TOMOYA
分类号 A63B53/04;B21B1/00;B23P11/00 主分类号 A63B53/04
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