US Patent 8708847 Sport ball casing and methods of manufacturing the casing

A sport ball may include a casing and a bladder. The casing includes a plurality of panels having edge areas joined to each other with bonds, and the edge areas project toward an exterior of the ball. The bladder is located within the casing. In another aspect, the casing includes a first panel and a second panel that each have an exterior surface facing outward and an opposite interior surface facing inward. The interior surface of the first panel is bonded to the interior surface of the second panel to form a seam that joins the first panel and the second panel together. A method of manufacturing the casing may include forming thermal bonds between the panels.