Composite elastic yarn

Details Composite elastic yarn Composite elastic yarn

1995-06-02

1996-10-01

Mansen, Michael R.

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57284, D02G 302, D02G 332, D01H 792

Patent

active

055601928

ABSTRACT:
A composite yarn comprising a spandex core yarn and a thermoplastic wrapping yarn in which both yarns are free to extend and contract freely one relative to the other while retaining sufficient cohesion to prevent their separation. The thermoplastics wrapping yarn is polyamide in a flat continuous filament. The wrapping yarn is wrapped in a series of alternating S and Z twists around the spandex core yarn, loops of the wrapping yarn projecting laterally as at positions where a change in the direction of twist occurs.

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