Patent ID: 8142584
Filing Date: 2012-03-27
Classification: B29C,B29K,B32B,D04H,E04B,Y10T

Abstract:
1. A method of manufacturing an insulation product comprising the following steps: forming an insulation sheet containing randomly oriented fibers bonded together by a binder, said sheet having first and second major surfaces and a pair of side portions; and after forming said insulation sheet forming a nonwoven facing layer on at least one of said first and second major surfaces, the step of forming the nonwoven facing layer comprising the steps of: wherein the bicomponent fiber deposition apparatus comprises a chamber for depositing said bicomponent fibers onto said insulation sheet, said chamber having a side wall, a top wall, and an opening at a bottom thereof disposed over the insulation sheet, the method further comprising the step of blowing the bicomponent fibers into said chamber in an air stream direct at an upward orientation toward a top wall of said bicomponent fiber deposition chamber.