FORFARANDE FOR FRAMSTELLNING AV EN LINDNING OMKRING YTAN AV EN UPPBLAST, MED LUFTVENTIL FORSEDD GUMMIBLASA I OCH FOR TILLVERKNING AV EN FORMPRESSAD SPELBOLL

摘要

A game ball having an inner bladder and a layer of yarn wound thereabout. The yarn layer is formed by a first strand of synthetic material and a second strand of natural material. As these strands are being simultaneously wound on the inner bladder, an adhesive is applied to the strand of synthetic material. Since the strands contact each other on the bladder, the strands of natural material absorb adhesive from that applied previously to the strands of synthetic material.