发明名称 Hydroformed metallic golf club shafts and method therefore
摘要 A golf club shaft, set of shafts, or golf clubs having shafts which have been produced by a process that includes a hydroforming step. By utilizing a hydroforming step, a metal or metal matrix composite golf club shaft can be formed into a variety of configurations or shapes heretofore not possible and can include hydroformed ornamental design features. The hydroformed shafts offer enhanced club feel and/or performance.
申请公布号 US6695711(B2) 申请公布日期 2004.02.24
申请号 US20020058955 申请日期 2002.01.28
申请人 ROYAL PRECISION, INC. 发明人 BLOUGH ROBERT THOMAS
分类号 A63B53/00;A63B53/12;B21D26/02;B21K17/00;(IPC1-7):A63B53/12 主分类号 A63B53/00
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