D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 13/00 (2006.01) B29C 70/08 (2006.01) B32B 5/26 (2006.01)
Patent
CA 2687221
The invention relates to a textile armature (1) that can be used for making composite materials or parts, and comprising: a central layer (3) containing fibre segments (3a) of a first type of synthetic material previously submitted, before the shaping thereof into a layer, to a process imparting thereto a permanent crimp; outer layers (21, 22) including a mixture of segments of chemical fibres (7) previously submitted to a process imparting thereto a permanent crimping and of segments of reinforcing fibres (4) at least some of the segments of chemical fibres (7) of the outer layers (21, 22) penetrate along a portion of their length into the central layer (3). First segments of chemical fibres (70) of the outer layers are bonded at least partially between them and to the other fibre segments (3a, 4) of the textile armature (1).
Armature textile (1) utilisable pour la réalisation de matériaux ou pièces composites, comprenant : - une couche centrale (3) à base de tronçons de fibres (3a) en un premier type de matériau synthétique, ayant reçu préalablement à leur mise sous forme de couche un traitement leur communiquant une frisure permanente, - des couches externes (21, 22) comportant un mélange de tronçons de fibres chimiques (7) ayant reçu préalablement un traitement leur communiquant une frisure permanente et de tronçons de fibres de renfort (4). Certains au moins des tronçons de fibres chimiques (7) des couches externes (21, 22) pénètrent selon une partie de leur longueur dans la couche centrale (3). Des premiers tronçons de fibres chimiques (70) des couches externes (21, 22) adhèrent au moins partiellement entre eux et aux autres tronçons de fibres (3a, 4) de l'armature textile (1).
Chomarat Gilbert
Chomarat Gilbert
Goudreau Gage Dubuc
LandOfFree
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