Process for the manufacture of yarn and the resulting product

Details Process for the manufacture of yarn and the resulting product Process for the manufacture of yarn and the resulting product

1977-01-12

1978-03-14

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57140R, D01H 1326, D01H 300

Patent

active

RE0295728

ABSTRACT:
[A process for manufacturing a balanced synthetic yarn, i.e., a yarn having relatively no torque, including the steps of conventionally texturizing yarn formed of thermoplastic filaments, subjecting the yarn to a subsequent heat treatment, and twisting the yarn with a relatively low twist in the opposite direction from the twist imparted to the yarn during the texturizing process.]
A process for the preparation of low-torque textile yarn by imparting high twist to a thermo plastic yarn in one direction and heat setting, detwisting to impart an opposite torque to the yarn, applying a second heat setting to the yarn and then low twisting the yarn in the direction of the torque.

REFERENCES:
patent: 3098348 (1963-07-01), Bryner
patent: 3157982 (1964-11-01), Alexandre
patent: 3316705 (1967-05-01), Nava
patent: 3399524 (1968-09-01), Koizumi
patent: 3462933 (1969-08-01), Nava
patent: 3522700 (1970-08-01), Fisher
patent: 3582445 (1971-06-01), Okuhashi
patent: 3696078 (1972-10-01), Smith et al.
patent: 3733801 (1973-05-01), Jones

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