Patent ID: 6544133
Filing Date: 2003-04-08
Classification: A63B

Abstract:
An inflatable sportsball, comprising:an inflatable ball carcass defining a shape of said sportsball, wherein said ball carcass is an integral hollow ball body, which includes an inflatable rubber bladder, a winding thread layer that surrounds said rubber bladder by winding said inner rubber bladder with a reinforcing thread and an inner rubber layer surrounding said winding thread layer in such a manner that said inner rubber layer, said winding thread layer and said inflatable rubber bladder are integrally fused into a single fusion body, wherein said ball carcass further includes an outer layer integrally surrounding said single fusion body and having a plurality of seam channels integrally and spacedly raised from an outer surface thereof, and panels of foaming layer which are positioned between said seam channels and sandwiched between said outer rubber layer and said inner rubber layer fused on top of said winding thread layer; and a ball cover for covering said ball carcass, wherein said ball cover comprises a plurality of skin panels attached to said outer surface of said ball carcass between said seam channels.