发明名称 Sweat-absorbing game ball
摘要 A sweat-absorbing game ball comprises an inflatable rubber bladder and a synthetic leather cover which surrounds the bladder. The synthetic leather cover includes a base fabric of polyurethane-impregnated nonwoven nylon fibers and an outer coating of wet-coagulated polyurethane. A pebbled surface configuration is molded into the outer surface of the cover, and the pebbled surface includes a plurality of outwardly projecting pebbles. Each pebble includes an outer surface and a side surface, and a plurality of small openings are formed in the polyurethane outer coating on the side surfaces of the pebbles.
申请公布号 US6024661(A) 申请公布日期 2000.02.15
申请号 US19980126293 申请日期 1998.07.30
申请人 WILSON SPORTING GOODS CO. 发明人 GUENTHER, DOUGLAS G.;GAFF, BRADLEY LEE
分类号 A63B41/08;(IPC1-7):A63B41/08 主分类号 A63B41/08
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