发明名称 Ball bat
摘要 A bat includes a handle portion, tubular impact portion and tubular insert mounted co-axially within the impact portion. A thin tubular composite member is bonded either to the inner or outer surface of the insert. Alternatively the composite member-reinforced insert may be mounted co-axially around the outer surface of the impact portion. In other embodiments, the composite member may be bonded directly to either the inner or outer surface of the impact portion.
申请公布号 US6497631(B1) 申请公布日期 2002.12.24
申请号 US19990396700 申请日期 1999.09.15
申请人 WILSON SPORTING GOODS CO. 发明人 FRITZKE MARK A.;EGGIMAN MICHAEL D.
分类号 A63B59/06;(IPC1-7):A63B59/06 主分类号 A63B59/06
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