Method for producing textured yarn

Details Method for producing textured yarn Method for producing textured yarn

1984-10-22

1986-02-04

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Twist setting

D02G 104

Patent

active

045677212

ABSTRACT:
A method for producing a textured polyester yarn, especially in an in-draw texturing system, in which starting yarn is processed by means of a non-touch type heater under a heater temperature in a range of from 350.degree. C. to 800.degree. C. and a shorter processing time in a range of from 0.04 second to 0.12 second. The dyeing evenness of the fabric made from the resultant yarn is improved because the dyeability of the yarn is almost constant despite fluctuation of the heater temperature. A belt-type twister is preferably utilized for false-twisting a yarn rather than a disc type.

REFERENCES:
patent: 2952116 (1960-09-01), Burlesow
patent: 3724196 (1973-04-01), Holland et al.
patent: 4296598 (1981-10-01), Faure
patent: 4384494 (1983-05-01), Taylor
patent: 4456818 (1984-06-01), McCollough

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