Continuous bi-compound acrylic bulky yarn and the method of the

Details Continuous bi-compound acrylic bulky yarn and the method of the Continuous bi-compound acrylic bulky yarn and the method of the

1972-09-15

1976-02-10

Huckert, John W.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57140BY, 57157S, D02G 102

Patent

active

039370003

ABSTRACT:
A continuous bi-compound bulky yarn consisting of a pair of acrylic polymeric components differing from each other in some of their properties is prepared by spinning those components in solution to produce a spun yarn which is drawn and then, successively, passed through a first oven heated to a temperature in the range of 130.degree.-250.degree.C, subjected to a false twist by means of a rotating spindle, passed through a second oven heated to a temperature in the range of 120.degree.-240.degree.C, and wound on a holder.

REFERENCES:
patent: 3022565 (1962-02-01), Fitzgerald
patent: 3404525 (1968-10-01), Tompkins
patent: 3434276 (1969-03-01), Fujita et al.
patent: 3472017 (1969-10-01), Nakayama et al.
patent: 3535866 (1970-10-01), Tsuruta et al.
patent: 3601972 (1971-08-01), Rogers et al.
patent: 3626684 (1971-12-01), Hows et al.

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