-
公开(公告)号:US06666779B1
公开(公告)日:2003-12-23
申请号:US09890902
申请日:2001-08-02
IPC分类号: A63B5304
CPC分类号: B21J5/02 , A63B53/02 , A63B53/04 , A63B53/0466 , A63B53/047 , A63B60/00 , A63B2209/00 , B21K17/00
摘要: A golf club according to the present invention comprises a face portion (1) and a neck portion (2), and metal flow lines (3) continue from the face portion (1) to the neck portion (2). These metal flow lines (3) extend in a single direction on the face portion (1). A method of manufacturing a golf club according to the present invention comprises steps of bending a rod member subjected to drawing plastic working on an end and forging the rod member after the bending for integrally molding a face portion (1) and a neck portion (2).
摘要翻译: 根据本发明的高尔夫球杆包括面部(1)和颈部(2),并且金属流动线(3)从面部(1)延伸到颈部(2)。 这些金属流动线(3)在面部(1)上沿单一方向延伸。 根据本发明的制造高尔夫球杆的方法包括以下步骤:在弯曲之后将在拉伸塑性加工的杆构件弯曲并在弯曲之后锻造杆构件,以一体地模制面部(1)和颈部(2) )。