| 摘要 |
An inflatable sportsball with cushion layer includes an inflatable ball carcass defining a shape of the sportsball and a ball cover for covering the ball carcass to provide uniform softness and roundness. The ball carcass is an integral hollow ball body, which includes an inner inflatable rubber bladder, a winding thread layer that surrounds the rubber bladder with a reinforcing thread, an outer rubber layer surrounding the winding thread layer in such a manner that the outer rubber layer, the winding thread layer and the rubber bladder are integrally fused into a single fusion layer, wherein the ball carcass further includes a plurality of seam channels integrally and spacedly raised from an outer surface thereof and panels of foaming layer which are positioned between the seam channels and sandwiched between the outer rubber layer and the inner rubber layer fused on top of the winding thread layer.
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