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