Patent ID: 7041361
Filing Date: 2006-05-09
Classification: B32B,Y10T

Abstract:
1. A composite material comprising: a first web and a second web, wherein each of the first and second webs includes, respectively, a first sheet and a second sheet, with the first sheet of each web being composed of polymeric material, the first sheet having an array of similar air-filled closed pockets formed into the first sheet with adjacent pockets being spaced apart from one another enough to accommodate a similar pocket; wherein each second sheet of each web is bonded to the first sheet of the respective web so as to seal the pockets of each respective first sheet; wherein the first and second webs are assembled to form a composite structure with the pockets of each web facing one another and interdigitating; wherein the first and second webs are spaced apart by a gap of fixed dimension; and wherein the gap is filled with a substance selected from: