Patent ID: 6159881
Filing Date: 2000-12-12
Classification: A61F,B29C,B29L,Y10T

Abstract:
A three-dimensional thermoformed shaped article comprising a barrier laminate having a liquid barrier layer and a lofty crimped-fiber nonwoven web layer, said barrier laminate having a maximum thickness, a cloth-like texture and liquid barrier property, wherein:said liquid barrier layer is selected from films, microfiber nonwoven webs and laminates thereof,said lofty crimped fiber nonwoven web layer has substantially uniformly distributed interfiber bonds and comprises multicomponent fibers having a structural component and a heat-activatable adhesive component, wherein said adhesive component comprises a thermoplastic polymer having a melting point which is lower than the melting point of said structural component, andsaid barrier laminate is thermoformed into a permanent, self-sustaining three-dimensional shape which is resiliently reversibly deformable and further wherein the three-dimensional shape formed by said thermoformed barrier laminate has dimensions in each of the x, y and z directions greater than the maximum thickness of said barrier laminate.