Heather yarn made by combining polyester and polyamide yarns

Details Heather yarn made by combining polyester and polyamide yarns Heather yarn made by combining polyester and polyamide yarns

D - Textiles, Paper

02

J

118/27, 28/34

D02J 1/16 (2006.01) D02G 1/02 (2006.01) D02J 1/08 (2006.01)

Patent

CA 1107043

ABSTRACT OF THE DISCLOSURE A continuous process is disclosed for producing a heather yarn from a continuous filament polyester feed yarn having a residual draw ratio in the range of from 1.6 to 2.0 and a continuous filament polyamide feed yarn having a residual draw ratio in the range of from 106 to 120 per- cent of the residual draw ratio of the polyester feed yarn. The process involves the steps of: (1) combining the yarns; (2) false twist texturing and drawing the combined yarns in a draw-texturing zone comprising feed rolls, a heating means, a friction twisting element and draw rolls; (3) randomly entangling the combined and textured yarns together in a jet-intermingling zone formed by an air jet device; and (4) withdrawing the heather yarn so produced.

326478

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