发明名称 String construction for athletic rackets
摘要 A string construction for athletic rackets which can be frictionally engaged with a tennis ball or a badminton shuttlecock very well upon hitting it and which can be uniformly stretched on the athletic racket frame without being twisted, comprises a string-like core made of thermoplastic resin material and a tubular netlike structure made of thermoplastic resin material, the tubular netlike structure netting over and being secured to an outer circumference of the core, wherein the netlike structure includes a plurality of thread-like members forming a plurality of nodes at intersections thereof, all the thread-like members forming each node being integral with each other at each node, and projecting from the outer circumference of the core to a height substantially equal to each other at each node.
申请公布号 US4306410(A) 申请公布日期 1981.12.22
申请号 US19800205911 申请日期 1980.11.12
申请人 KUREHA KAGAKU KOGYO KABUSHIKI KAISHA 发明人 NAKAMURA, MASAAKI;UEBA, HISAAKI
分类号 A63B51/02;D02G3/38;D02G3/44;(IPC1-7):D02G3/34;D02G3/36 主分类号 A63B51/02
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