Base fabric for non-coated air bags, and fibers for air bags

Details Base fabric for non-coated air bags, and fibers for air bags Base fabric for non-coated air bags, and fibers for air bags

D - Textiles, Paper

03

D

D03D 15/00 (2006.01) D01D 5/253 (2006.01) D03D 1/02 (2006.01)

Patent

CA 2384790

An air-bag-use non-coat base cloth which uses, for both or one of a warp and a weft, a synthetic-fiber multi-filament having a flatness at a single yarn's section of 1.5-8.0, a single yarn fineness of up to 10 dtex, and a total fineness of 200-1000 dtex, and which is characterized by concurrently satisfying a cover factor of 1700-2200, an air permeability (PL) at low pressure of up to 0.1 cc/ cm2/sec, and an air permeability (PH) at high pressure of up to 20 cc/cm2/sec, the air-bag-use base cloth being excellent in housing feature while maintaining a strength and a low air-permeability necessary for an air bag.

L'invention concerne un tissu de base non enduit de chaîne et/ou de trame, un multifilament en fibre synthétique possédant une planéité au niveau de la section d'un fil unique compris entre 1,5 et 8, une finesse de fil pouvant atteindre 10 dtex, et une finesse totale comprise entre 200 et 1000 dtex. Ce tissu est caractérisé en ce qu'il possède et présente simultanément :(1) un facteur de couverture compris entre 1700 et 2200, (2) une perméabilité à l'air (P¿L?) à basse pression pouvant atteindre 0,1 cc/cm?2¿/sec, et (3) une perméabilité à l'air (P¿H?) à haute pression pouvant atteindre 20 cc/cm?2¿/sec. Le tissu de base non enduit pour airbag est facile à loger, et conserve une résistance et une faible perméabilité à l'air nécessaire à un airbag.

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