D - Textiles – Paper – 03 – D
Patent
D - Textiles, Paper
03
D
D03D 15/00 (2006.01) B32B 7/12 (2006.01) D03D 11/00 (2006.01) D06M 17/00 (2006.01) F41H 1/02 (2006.01) F41H 5/04 (2006.01)
Patent
CA 2359965
The invention pertains to a penetration-resistant material comprising at least a double layer of fabric composed of two layers of woven fabric which are cross-plied at an angle, characterized in that the fabric is composed of a first set of threads comprising 3.5 to 20 threads/cm and having a linear density of at least 420 dtex, and a second set of threads comprising 0.5 to 8 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being transverse to the first set of threads, and wherein the ratio of the linear density of the first set of threads to the linear density of the second set of threads is > 4.2, more preferably > 7.5. In a preferred embodiment the first set of threads is warp threads made of p-aramid yarn and the second set of threads is weft threads of polyester yarn, and the ratio of the number of threads/cm of the first set to that of the second set is > 1.
L'invention concerne un matériau résistant à la pénétration comprenant au moins une double couche de tissu formé de deux couches de tissu retordues. Le tissu se compose d'un premier jeu de fils comprenant entre 3,5 et 20 fils/cm et ayant une densité linéaire d'au moins 420 dtex et un second jeu de fils comprenant entre 0,5 et 8 fils/cm et ayant une densité linéaire d'au moins 50 dtex. Le second jeu de fils est transversal au premier jeu de fils. Le rapport de la densité linéaire du premier jeu de fils et de la densité linéaire du second jeu de fil est supérieur à 4,2, de préférence supérieur à 7,5. Selon un mode de réalisation préféré, le premier jeu de fils contient des fils de chaîne en fil p-aramide et le second jeu de fils contient des fils de trame formée d'un fil polyester, le rapport du nombre de fils/cm du premier jeu et du nombre du second jeu est supérieur à 1.
Baumgart Christoph
Bottger Christian
Dorloff-Lumpe Barbel
Fels Achim
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Teijin Twaron Gmbh
Twaron Products Gmbh
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