Patent ID: 8991033
Filing Date: 2015-03-31
Classification: A63B,B29D,B29L,Y10T

Abstract:
1. A manufacturing method of a soccer ball, comprising the steps of: a. cutting out a plurality of panels from a sheet of padding; b. determining stitch lines for each of the plurality of panels; c. applying heat and pressure at the stitch lines for embossing the plurality of panels creating respective channels; d. creating a bladder valve panel by inserting a valve attached to a bladder in the middle of one of the plurality of panels; e. stitching at least a few of the plurality of panels using machine stitching at the stitch lines; f. inverting the soccer ball inside out so that the bladder is contained within the soccer ball; g. hand stitching any remaining unstitched stitch lines; and h. inserting air in the bladder and molding the soccer ball by applying heat and external pressure to the soccer ball and internal pressure due to the air in the soccer ball.