Apparatus and method for forming alternate twist-plied yarns...

D - Textiles – Paper – 02 – G

Patent

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D02G 3/28 (2006.01)

Patent

CA 2163514

A system for bonding alternate S and Z twist plied yarn. The system bonds the plied yarns (10A, 10B) as they move in a path through the process and permits balanced expansion of the yarn (30) while preventing lateral movement out of the path. The bonding of the yarn strands while plied together, forms a bond characterized by a dense region (404) of filaments adhesively joined together where one of the strands (10B) overlaps another strand (10A), followed by a less dense region (401) along the one strand where fewer filaments are adhesively joined, followed by another dense region (403). A stronger, more reliable bond results.

Système de liaison de fils retors à torsion S et Z alternée. Ledit système lie les fils retors à mesure qu'ils se déplacent dans un chemin traversant le traitement et permet une dilatation équilibrée du fil tout en empêchant le mouvement latéral de celui-ci hors du chemin. Le liage des faisceaux de fils lorsqu'ils sont retordus ensemble forme une liaison se caractérisant par une région dense de filaments liés par un adhésif à l'endroit où les fils se chevauchent, suivie d'une région moins dense le long du faisceau dans laquelle un nombre de fils moins important est lié par adhésif suivie elle-même d'une autre région dense. On obtient ainsi une liaison plus fiable et plus solide.

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