Method and device for making textile products

Details Method and device for making textile products Method and device for making textile products

D - Textiles, Paper

02

G

D02G 1/14 (2006.01) D04H 11/08 (2006.01)

Patent

CA 2228725

A method for making a textile product from a web of fibres and/or filaments moving in a feed direction. The method comprises a pre-looping step in which the fibres and/or filaments are individually transversely looped relative to the feed direction and optionally transversely stretched, whereafter they pile up in the form of a crimped pseudo-yarn in which the fibres and/or filaments are parallelised. Prior to the pre-looping step, the method comprises a crimping step in which the fibres and/or filaments are crimped with a period and an evolute that are a multiple of the period and evolute of the "crimp" formed in the pre-looping step.

Procédé de fabrication d'un produit textile au départ de fibres et/ou filaments circulant dans la direction d'avance sous forme d'un voile, comprenant une étape de pré-bouclage dans laquelle les fibres et/ou filaments subissent individuellement un bouclage transversalement à la direction d'avance, éventuellement accompagné d'un étirage transversal, et s'accumulent sous forme d'un pseudo-fil ondulé dans lequel les fibres et/ou filaments sont parallélisés, caractérisé en ce que l'on effectue une étape préalable à l'étape de pré-bouclage qui est appelée étape d'ondulation et qui consiste à faire subir aux fibres et/ou filaments une ondulation dont la période et la développée vaut un multiple de la période et de la développée de "l'ondulation" créée dans l'étape de pré- bouclage.

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