Method of treating multifilament synthetic yarn

Details Method of treating multifilament synthetic yarn Method of treating multifilament synthetic yarn

1978-01-23

1980-03-11

Rimrodt, Louis

Textiles: manufacturing

Thread finishing

Surface modification of running length

28246, 28258, 2642893, 28271, D02G 116, D02J 122

Patent

active

041920473

ABSTRACT:
A method of producing commercially usable textured synthetic multifilament yarn from commercially produced undrawn multifilament synthetic yarn of a type which has normally a limited operational life and which has exceeded the normal operational life for undrawn yarn in which the overage undrawn yarn is fed continuously without pause through two discrete successive treatments with hot fluid at a temperature high enough to plasticize the yarn. The yarn is drawn to a chosen ratio of extension while it is passing through the first treatment with hot fluid. Next the yarn is jet textured while it is passing through the second treatment with hot fluid. The yarn may be subjected to a cooling action between the two successive treatments with hot fluid.

REFERENCES:
patent: 2953428 (1960-09-01), Hunt et al.
patent: 3364294 (1968-01-01), Garibian et al.
patent: 3423809 (1969-01-01), Schmitt
patent: 3703753 (1972-11-01), Binford et al.
patent: 3975484 (1976-08-01), Okada et al.

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