Process for texturing bicomponent yarn

Details Process for texturing bicomponent yarn Process for texturing bicomponent yarn

1977-06-01

1979-02-06

Mackey, Robert

Textiles: manufacturing

Thread finishing

Fabrication-defabrication

28154, 66178A, 66202, D04B 126, D02G 100

Patent

active

041376153

ABSTRACT:
A method for producing conventionally usable, stable, preshrunk and crimped yarn from greige self-crimping bicomponent or biconstituent yarn. The method employs a knit-de-knit procedure to impart a so-called mechanical crimp in the self-crimping yarn as that yarn is subjected to an initial heat treatment. The knit-de-knit process has been modified in order to knit the knit-de-knit tubular sleeve more loosely and to obtain a crimp rate per thread line inch within a predetermined range. The knit tubular sleeve is collected in the form of a fabric roll, the internal diameter of which is controlled so that during heating the yarn crimp can develop uniformly. The yarn produced thereby can be used to produce "to size" greige fabric or garments which exhibit better snag or pick resistance than such fabrics or garments produced from conventional greige yarn. These fabrics or garments can thereafter be subjected to normal finishing procedures.

REFERENCES:
patent: 3566622 (1971-03-01), Iannucci
patent: 4057880 (1977-11-01), Matthews et al.
Producing Knit-de-Knit Yarns, Man Made Textiles, pp. 30, 31, 33, Jun. 1967.

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