Patent ID: 7199065
Filing Date: 2007-04-03
Classification: B32B,D04H,D06N,E04D,E04F,Y10T

Abstract:
1. A laminate that is not subjected to final consolidation by a binder, comprising: at least one non-woven mat containing glass staple fibers pre-consolidated with a resin, and at least two non-woven layers of synthetic fibers, wherein the at least two synthetic non-woven layers and the pre-consolidated non-woven mat containing glass fibers are bound together by needling such that a portion of the fibers of one of the synthetic non-woven layers passes through the non-woven layer containing glass fibers and penetrates a side of the layer of glass fibers facing away from the said one layer of synthetic fibers, and through an underlying synthetic non-woven layer, and wherein the synthetic fibers are heat shrunken, the laminate is binder free, and the gsm substance (basis weight) of said layers of synthetic non-woven layers is equal or different.