Patent 7070845 was granted and assigned to Nike, Inc. on July, 2006 by the United States Patent and Trademark Office.
The invention relates to a fluid-filled bladder and a method for making for making a fluid-filled bladder that include a core having at least one fusing filament. A portion of the fusing filament is positioned adjacent to the exterior surface of the core such that it engages and fuses to barrier layers of the bladder, thereby securing the core to the barrier layers without the need for an additional fusing agent therebetween.