Multilayer fabric and manufacturing method thereof

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 1/00 (2006.01) D21F 7/08 (2006.01)

Patent

CA 2696515

The invention is directed to a method and machine for manufacturing an industrial fabric using a "folding" technique. The invention relates to a laminated fabric that is produced using this technique. The method comprises the steps of forming a base support structure having a width which is larger than a width of the final fabric, attaching at least one layer of staple fiber batt material to one or both sides of the base support structure, folding the base support structure onto itself in a widthwise manner one or more times to form a multi-layered structure, and bonding the layers of the multilayered structure together to form a laminated fabric structure.

La présente invention concerne un procédé et une machine de fabrication d'un tissu industriel par une technique de = pliage =. L'invention concerne un tissu stratifié qui est produit au moyen de cette technique. Le procédé comprend les étapes consistant à former une structure de support de base présentant une largeur qui est supérieure à une largeur du tissu final, fixer au moins une couche de matériau de nappage à fibre discontinu à un côté ou aux deux côtés de la structure de support de base, plier la structure de support de base sur elle-même dans le sens de la largeur à une ou plusieurs reprises pour former une structure multicouche, et coller les couches de la structure multicouche les unes aux autres pour former une structure de tissu stratifiée.

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