Patent ID: 7434339
Filing Date: 2008-10-14
Classification: A43B,B29C,B29D,B29L,Y10T

Abstract:
1. An article of footwear having an upper and a sole structure secured to the upper, the sole structure comprising: a chamber having a first surface and an opposite second surface peripherally-joined to enclose a fluid, the first surface and the second surface being devoid of internal connections that secure interior portions of the first surface to interior portions of the second surface, the first surface and the second surface defining a plurality of lobes extending outward from a central area of the chamber, the lobes being in fluid communication with the central area, and the lobes defining spaces positioned between the lobes located adjacent to each other; and a polymer foam material extending adjacent to and contacting at least one of the first surface and the second surface, and the polymer foam material extending into the spaces positioned between the lobes, wherein at least a portion of the lobes extend to a side surface of the sole structure and are exposed at the side surface.