Method for producing airbags

D - Textiles – Paper – 03 – D

Patent

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Details

D03D 15/00 (2006.01) B26D 5/00 (2006.01) B26F 1/38 (2006.01) D03D 1/02 (2006.01) D06H 1/00 (2006.01)

Patent

CA 2454770

The invention relates to a method for producing woven airbags, especially at least partially multi-layered airbags. Said method comprises the following steps: a) the warp threads are prepared in the warping room, warp threads which are suitable as marker threads for machine-readable markings being already placed in the warp; b) the airbag material is woven, weft threads which are suitable as marker threads for machine-readable markings being interlaced over at least part of the width of the cloth; and c) the airbag is cut out of the airbag material using a cutting device which is guided by the interlaced machine-readable markings.

L'invention concerne un procédé pour produire des airbags tissés, notamment constitués au moins en partie de plusieurs couches. Ce procédé comprend les étapes suivantes : a) préparation des fils de chaîne dans la salle d'ourdissage, des fils de chaîne appropriés en tant que fils distinctifs pour créer des marques lisibles par machine étant déjà logés dans la chaîne ; b) tissage du tissu de l'airbag, des fils de trame appropriés en tant que fils distinctifs pour créer des marques lisibles par machine étant incorporés au tissage sur au moins une partie de la largeur de la toile ; c) découpage de l'airbag dans le tissu au moyen d'un dispositif de coupe guidé par les marques lisibles par machine, incorporées au tissage.

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