B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 17/04 (2006.01) B32B 1/04 (2006.01) B32B 27/02 (2006.01) D04H 1/00 (2006.01) D04H 1/04 (2006.01) D04H 1/42 (2006.01) D04H 1/60 (2006.01) E04B 1/74 (2006.01)
Patent
CA 2459341
An insulation product contains a mixed layer of textile fibers and of natural fibers. A process for manufacturing the insulation product includes passing fibrous bundles of textile fibers and of natural fibers together through an apparatus that divides the textile fibers into segments and that mixes the textile fiber segments with the natural fibers. The bundles of natural fibers can be in the form of specially manufactured mats and/or can be production scraps. The resulting mixture of fibers is formed into a non-woven bat, mat, blanket, or board. The process provides a mixed fibers product, with an improved combination of thermal and acoustic insulation and adequate strength, at a low production cost.
L'invention concerne un produit d'isolation contenant une couche de fibres textiles et de fibres naturelles mélangées. Un procédé de fabrication dudit produit d'isolation consiste notamment à faire passer en même temps des filaments fibreux de fibres textiles et de fibres naturelles dans un appareil qui divise les fibres textiles en segments et qui mélange lesdits segments aux fibres naturelles. Les filaments de fibres naturelles peuvent avoir la forme de paillassons spécialement fabriqués et/ou de résidus de production. Le mélange de fibres résultant est formé en coussin, paillasson, couverture ou panneau non tissé. Le procédé permet de fournir un produit en fibres mélangées, qui présente une combinaison améliorée d'isolation thermique et acoustique et une résistance appropriée, à un faible coût de production.
Tripp Gary
Yang Alain
Certainteed Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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