Patent ID: 7416627
Filing Date: 2008-08-26
Classification: B29C,B29K,B32B,Y10T

Abstract:
1. A process for forming a film nonwoven laminate having cushioning cells comprising: extruding a thermoplastic film-forming polymer composition; blowing the extruded thermoplastic polymer composition to form a blown film bubble; directing the bubble to a nip formed between a first roller and a second roller, wherein the first roller has an outer surface comprising a continuous pattern of land areas defining a plurality of discrete openings, apertures or holes, and wherein the first and second rollers partially collapse the bubble into a nascent film sheet comprising a first film layer, a second film layer, and a plurality of cushioning cells defined between the first film layer and the second film layer; providing a fibrous nonwoven web in a necked condition; and directing the fibrous nonwoven web between the second roller and the nascent film to form a laminate comprising the nascent film and the fibrous nonwoven web, wherein the first and second film layers are elastic.