Patent ID: 7186451
Filing Date: 2007-03-06
Classification: B32B,D04H,Y10S,Y10T

Abstract:
1. A composite sheet comprising a dry-formed non-woven starting web having a density in the range of about 0.01 to about 0.10 gram/cm 3 , said starting web is reinforced by shrinkable yarns stitch-bonded to the web, wherein the spacing between underlap yarns and the spacing between the overlap yarns are at least about 0.5 mm and wherein the web is contracted by at least about 20% in the machine and cross directions, such that the stitch-bonded yarns are covered by the fibers in the web, wherein the starting web is bonded by a point bond pattern, said pattern covers less than about 15% of the surface of the starting web.