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AssigneesKureha Kagaku Kogyo Kabushiki Kaisha, Kureha Gosen Kabushiki Kaisha
InventorsMasaaki Nakamura, Hisaaki Ueba
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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.
A string construction for athletic rackets comprising a string-like core made of thermoplastic resin material and a tubular netlike structure made of thermoplastic resin material, said tubular netlike structure netting over and being secured to an outer circumference of said core, wherein said 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 said each node, and projecting from the outer circumference of said core to a height substantially equal to each other at said each node.
Dependencies are inferred from the claim text.