Composite yarn with fiberglass core

D - Textiles – Paper – 02 – G

Patent

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Details

D02G 3/02 (2006.01) D02G 3/08 (2006.01) D02G 3/18 (2006.01) D02G 3/36 (2006.01) D02G 3/38 (2006.01) D02G 3/44 (2006.01)

Patent

CA 2289946

A yarn core (10) construction suitable for forming a flexible composite yarn having a fiberglass component (16). The resulting yarn has good cut and abrasion resistance qualities without sacrificing knitability, flexibility and suppleness. A normally hard to knit fiberglass strand (16) is wrapped with a sheath strand (18) at a rate of at least 8 turns per inch. The core (10) thus formed provides all of the benefits of a fiberglass supported yarn without experiencing any of the manufacturing difficulties normally associated with fiberglass yarns. The core (10) may also be provided with a multi-layer covering (20, 22) to balance the yarn and to further improve knitability.

Cette invention se rapporte à une structure d'âme (10) de fil convenant à la production d'un fil composite flexible, comprenant un composant (16) en fibre de verre. Le fil résultant présente une bonne résistance aux coupures et à l'abrasion sans que son aptitude à être tricoté, sa flexibilité et sa souplesse ne soient diminuées. Un fil (16) de fibre de verre à difficulté de tricotage normale est entouré d'un fil (18) gainant à une vitesse d'au moins 8 tours par pouce. L'âme (10) ainsi formée présente tous les avantages d'un fil à renforcement de fibre de verre sans pour autant être associée à aucune des difficultés de fabrication s'appliquant habituellement aux fils en fibre de verre. L'âme (10) peut également présenter un revêtement (20, 22) multicouches pour équilibrer le fil et améliorer encore son aptitude au tricotage.

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