Patent ID: 7066853
Filing Date: 2006-06-27
Classification: A63B,B29C,B29D,B29L

Abstract:
1. A method for manufacturing an inflatable ball, the method comprising acts of: obtaining an inflatable bladder having an inner space, a winding layer surrounding the inflatable bladder and an injecting nozzle communicating with the inner space; coating thermoplastic glue on the winding layer of the inflatable bladder; obtaining multiple thickened panels, wherein each thickened panel is made of a leather layer and has an inner face, a thickened middle area and multiple thinned edges around the thickened middle area; coating thermoplastic glue on the inner face of each thickened panel; arranging the multiple thickened panels inside a mold; placing the inflatable bladder into the mold; injecting compressed warm air into the inflatable bladder to make the winding layer abut the multiple thickened panels until the thermoplastic glue combines the inflatable bladder and multiple thickened panels together to achieve the ball; and removing the ball from the mold.