Method for manufacturing a fancy textured yarn provided with slu

Details Method for manufacturing a fancy textured yarn provided with slu Method for manufacturing a fancy textured yarn provided with slu

1975-06-24

1977-03-08

Queisser, Richard C.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57157TS, D02G 334, D02G 338

Patent

active

040106012

ABSTRACT:
A method for manufacturing a fancy textured yarn provided with slubs. In this manufacturing method, at least one thermoplastic multifilament yarn A is supplied to a twisting zone of a false twisting apparatus provided with a heater disposed at an upstream position to a false twisting element and at least one thermoplastic multifilament yarn B is supplied to the above-mentioned twisting zone so as to combine with the yarn A by way of a yarn guide which is reciprocally displaced along the yarn passage of the yarn A. The combined yarn is heat-set by the heater and then untwisted after passing through the false twisting element. Thereafter the untwisted yarn provided with numerous stable slubs composed of the yarn B, formed by wrapping the yarn B about the yarn A, is taken up to a yarn package. In the above-mentioned processing, the displacing speed of the yarn guide toward the false twisting element is controlled in a range between less than one time and at least 0.5 times the running speed of the yarn A.

REFERENCES:
patent: 2731789 (1956-01-01), Holder
patent: 3445994 (1969-05-01), Nalpas
patent: 3508389 (1970-04-01), Chatin
patent: 3685268 (1972-08-01), Sequin
patent: 3844103 (1974-10-01), Sasaki et al.

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