Protective garment fabric having closed adjacent pockets and...

A - Human Necessities – 41 – D

Patent

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A41D 31/00 (2006.01) D03D 11/00 (2006.01) D03D 11/02 (2006.01) D03D 15/12 (2006.01)

Patent

CA 2498018

The present invention relates to a heat, flame, and electric arc resistant fabric (1) for use as single or outer layer of protective garments. The fabric (1) of the invention comprises at least two separate single plies which are assembled together at predefined positions so as to build pockets (4). The fabric (1) of the invention is made of materials independently chosen from the group consisting of aramid fibers and filaments, polybenzimidazol fibers and filaments, polyamidimid fibers and filaments, poly(paraphephenylene benzobisaxazole) fibers and filaments, phenol-formaldehyde fibers and filaments, melamine fibers and filaments, natural fibers and filaments, synthetic fibers and filaments, artificial fibers and filaments, glass fibers and filaments, carbon fibers and filaments, metal fibers and filaments, and composites thereof. Due to its peculiar structure, the fabric (1) according to the present invention can have a specific weight which is considerably lower than that of known fabrics having comparable mechanical and thermal properties.

La présente invention concerne un tissu (1) résistant à la chaleur, aux flammes et aux arcs électriques, destiné à être utilisé seul ou en tant que couche extérieure pour la constitution de vêtements protecteurs. Ce tissu (1) comprend au moins deux couches uniques séparées qui sont assemblées au niveau d'emplacements prédéfinis de façon à former des poches (4). Ce tissu (1) est constitué de matières choisies indépendamment dans le groupe constitué par des fibres et des filaments d'aramide, des fibres et des filaments de polybenzimidazole, des fibres et des filaments de polyamidimide, des fibres et des filaments de poly(paraphénylène benzobisaxazole), des fibres et des filaments de phénolformaldéhyde, des fibres et des filaments de mélamine, des fibres et des filaments naturels, des fibres et des filaments synthétiques, des fibres et des filaments artificiels, des fibres et des filaments de verre, des fibres et des filaments de carbone, des fibres et des filaments métalliques, et des composites constitués de ceux-ci. Grâce à sa structure particulière, le tissu (1) selon la présente invention peut présenter un poids spécifique nettement inférieur à celui des tissus connus présentant des caractéristiques mécaniques et thermiques comparables.

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