D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
D01D 5/08 (2006.01) D01D 5/088 (2006.01)
Patent
CA 2461809
A method of producing a non-lofted fiber veil of an orientable polymer for the production of insulation, e.g. thermal, for blown-in applications, having X, Y and Z vector directions of the fibers comprising, melt blowing the polymer to form molten fibers, having molecules oriented along the length of the fibers, the X vector direction, placing the fibers on a roller spinning at a rate to provide additional orientation of the molecules of the fibers, displacing some said fibers into the Y vector direction, and cooling the fibers while on the roller to form the non-lofted fiber veil. Also included is the product of the method, a blown in insulation, intermediate products, an apparatus and a method of producing a product for blown-in installation.
L'invention concerne un procédé de production d'un voile en fibres non plein (14) en polymère orientable servant à fabriquer des isolants ( par exemple, des isolants thermiques soufflés) dont les fibres sont orientées dans la direction des vecteurs X, Y et Z. Ce procédé consiste à: soumettre d'abord un polymère à une opération de fusion-soufflage pour obtenir des fibres fondues le long desquelles s'étendent des molécules (celles-ci pouvant s'étendre dans la direction du vecteur X), placer ensuite les fibres sur un rouleau (12) tournant à une vitesse qui confère une orientation supplémentaire aux molécules des fibres dans la direction du vecteur Y, et enfin, refroidir les fibres sur le rouleau (12) pour former un voile en fibres non plein (14).
Arseneau David W.
Beck Martin H.
Cooke Reginald A.
Fu Zhiyong
Ireland John D.
Rtica Inc.
Thompson Douglas B.
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