Patent ID: 7244483

Claim:
A fluid-filled bladder for an article of footwear, said bladder comprising: a first sheet; a second sheet that is at least partially coextensive with said first sheet; a first sidewall element defining a first end and a first exterior surtice, said first end being secured to said first sheet to position at least a portion of said first exterior surface on an exterior of said bladder, and said first sidewall element extending through a first portion of a distance between said first sheet and said second sheet; a second sidewall element defining a second end and a second exterior surface, said second end being secured to said second sheet to position at least a portion of said second exterior surface on said exterior of said bladder, and said second sidewall extending through a second portion of said distance between said first sheet and said second sheet; and an inverted seam firmed between said first exterior surface and said second exterior surface to join said first sidewall element and said second sidewall element and define a sealed chamber for containing said fluid.