发明名称 IMPROVEMENTS IN AND RELATING TO BALLS
摘要 The invention provides a counter weight for incorporation into a sports ball, a sports ball incorporating such a counter weight and a method of ball production. The counter weight (19) is provided in the cover on an inflatable sports ball so as to counteract the imbalance generated by the different weight of the valve (13) compared with the covering of the ball elsewhere. A more stable and predictable ball results.
申请公布号 WO9726950(A1) 申请公布日期 1997.07.31
申请号 WO1997GB00172 申请日期 1997.01.20
申请人 UMBRO EUROPE LIMITED;MILLS, CHRISTOPHER, IAN;SONNTAG, JEAN-MARIE 发明人 MILLS, CHRISTOPHER, IAN;SONNTAG, JEAN-MARIE
分类号 A63B41/00;(IPC1-7):A63B41/00 主分类号 A63B41/00
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