C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/01 (2006.01) C03C 25/24 (2006.01) C03C 25/26 (2006.01) C04B 26/02 (2006.01)
Patent
CA 2459390
An insulation product contains a mixed layer of textile fibers and of rotary and/or flame attenuated fibers. A process for manufacturing the insulation product includes passing fibrous bundles of textile fibers and of rotary and/or flame attenuated fibers together through an aparatus that divides the textile fibers into segments and that mixes the textile fiber segments with the rotary and/or flame attenuateed fibers. The bundles of rotary and/or flame attenuated fibers can be in the form of specially manfactured mats and/or can be production scraps. The resulting mixture of fibers is formed into a non - woven batt, mat, blanket, or board. The process provides a mixed fiber product, with an improved combination of thermal and acoustic insulating performance and adequate strength, at a low production cost.
L'invention concerne une isolation contenant une couche mixte de fibres textiles et de fibres rotatives et/ou étirées par la flamme. Pour ce faire, on met en oeuvre un procédé de fabrication du produit d'isolation consistant à passer les faisceaux de fibres textiles et de fibres rotatives et/ou étirées par la flamme ensemble à travers un appareil divisant les fibres textiles en segments et mélangeant les segments de fibres textiles avec les fibres rotatives et/ou étirées par la flamme. Les faisceaux de fibres rotatives et/ou étirées par la flamme peuvent adopter la forme de mats spécialement fabriqués et/ou de restes de production. Le mélange obtenu de fibres est transformé en un nappage non tissé, un mat, un drap ou un panneau. On obtient un produit de fibres mélangées alliant des performances d'isolation thermique et acoustique et une résistance adéquate à un prix de production modique.
Tripp Gary
Yang Alain
Certainteed Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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