Method and apparatus for generating a yarn composed of at...

Details Method and apparatus for generating a yarn composed of at... Method and apparatus for generating a yarn composed of at...

D - Textiles, Paper

02

G

D02G 1/18 (2006.01) D02G 1/02 (2006.01) D02G 1/20 (2006.01) D02J 1/22 (2006.01)

Patent

CA 2230431

The invention concerns a method for generating a yarn composed of at least two yarn components and an apparatus for generating a yarn of this type with at least two processing stages at least one of which is a compacting stage. A yarn component is supplied either as a filament bundle from an extrusion beam or as a filament bundle or as a staple fibre yarn from a package. Treating stages are designated with the reference number (2) and the compacting stage with the reference number (3) in which compacting stage the individual yarns (5 through 5.4) are compacted into a yarn (7), which subsequently is collected in a collecting stage where it is e.g. wound into a package. The Fig. 2 differs from the Fig. 1 in that one yarn component is treated differently, or is not treated, respectively, where e.g. the yarn (5) undergoes the same treatment as in the Fig. 1, whereas the yarn (5.5) is subject to two treatments and the yarn (5.6) upstream from the collective compacting stage (3) is left untreated. Correspondingly the character of the yarn (7.1) differs from the character of the yarn (7) according to the Fig. 1.

L'invention concerne une méthode de production d'un fil composé d'au moins deux éléments de fil et porte sur un appareil permettant de produire un fil de ce type par le biais d'au moins deux étapes de traitement dont au moins une concerne la compacité. Un élément de fil est fourni sous forme de faisceau de filaments provenant d'un rouleau d'extrusion, de faisceau de filaments ou de filé provenant d'une bobine. Les étapes de traitement sont désignées par le numéro de référence (2) et l'étape de compacité, par le numéro de référence (3). Au cours de cette dernière étape, les fils individuels (5 à 5.4) sont entremêlés en un fil (7) qui est ensuite recueilli au cours d'une étape de cueillette, puis enroulé sur une bobine par exemple. La figure 2 diffère de la figure 1 en ce sens : un élément de fil est traité différemment, ou n'est pas traité, respectivement; par exemple le fil (5) subit le même traitement que dans la figure 1, tandis que le fil (5.5) est soumis à deux traitements et que le fil (5.6), se trouvant en amont de l'étape de compacité collective (3), n'est pas traité. Par conséquent, le caractère du fil (7.1) diffère de celui du fil (7) selon la figure 1.

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