发明名称 A sports racket frame.
摘要 <p>A sports racket frame comprises a head portion, a throat portion (14) extending outwardly from the head portion, a handle portion (16), and an outer envelope (30) formed from a plurality of long fibrous elements pre-soaked in a thermosetting resin. The outer envelope comprises fibrous cleavages (or slits) (52) located in a predetermined area of the handle portion to obstruct shock wave transmission from the head portion to the handle portion of the racket frame. The cleavages cut through between 5% and 95% of the total number of fibres of the predetermined area of the handle portion. <IMAGE></p>
申请公布号 EP0512163(A1) 申请公布日期 1992.11.11
申请号 EP19910303906 申请日期 1991.04.30
申请人 YOU, CHIN-SAN 发明人 YOU, CHIN-SAN
分类号 A63B59/00 主分类号 A63B59/00
代理机构 代理人
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