Process for making bulky textured multifilament yarn

Details Process for making bulky textured multifilament yarn Process for making bulky textured multifilament yarn

Filed on

1980-12-05

Date issued

1982-08-24

Examiner

Watkins, Donald

Patent Class

Textiles: spinning, twisting, and twining

SubClass

Apparatus and processes

SubSubClass

Twist setting

Other Related Categories

57333, 57350, 57351, 28271, D02G 334, D02G 120, D02J 108

Type

Patent

Status

active

Patent number

043454259

Description

ABSTRACT:
A bulky textured multifilament yarn comprises sections of interlaced individual filaments and sections of non-interlaced individual filaments, wherein the interlaced and non-interlaced sections are formed alternately along the lengthwise direction of the yarn, the filaments in any predetermined length of the yarn are substantially identical in length, and some portions of the individual filaments protrude out from the axis of the yarn. The yarn is made by slackening a multifilament yarn treated by a false twisting operation, and then by interlacing the slackened multifilament yarn by means of a fluid jet stream while taking up the multifilament yarn.

REFERENCES:
patent: 3017737 (1962-01-01), Breen
patent: 3105349 (1963-10-01), Palm et al.
patent: 3174271 (1965-03-01), Edwards et al.
patent: 3433007 (1969-03-01), Myers
patent: 3938227 (1976-02-01), Kawasaki et al.
patent: 3972174 (1976-08-01), London et al.
patent: 4051660 (1977-01-01), Griset
patent: 4069565 (1978-01-01), Negishi et al.
patent: 4070815 (1978-01-01), Negishi et al.

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