Patent ID: 8163117

Claim:
A producing method of a ball for a ball game, comprising steps of: (a) inflating a bladder and providing a web layer by coating at least a thread having an adhesive or glue on an outer surface of the bladder; (b) drying the adhesive or glue by air without heating the bladder in a mold; (c) fabricating a plurality of panels in a predetermined shape; (d) sewing the plurality of panels edge to edge together excluding a portion thereof by a sewing machine to form a ball cover including an inlet opening; (e) turning the ball cover right side out without heating the cover; (f) inserting the bladder obtained at step (a) into the ball cover obtained at step (e) through the inlet opening of the cover; (g) sewing the inlet opening of the ball cover; and (h) inflating the ball for a ball game to a predetermined pressure within a shaping mold.