Process for texturing polyester yarn

Details Process for texturing polyester yarn Process for texturing polyester yarn

1974-08-14

1976-08-10

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

28 7211, 57 34HS, 57157F, D02G 102, B02G 120

Patent

active

039733866

ABSTRACT:
A process for draw-texturing polyester yarn which has been melt-spun at high speed. The process is performed on a conventional false-twist texturing machine modified for drawing and for the use of an air-jet texturing device instead of a second heater. The yarn is drawn at 1.3 to 2.0X draw ratio, false-twist textured, and then air-jet textured to provide a yarn having a low boil-off shrinkage, resiliency and spun-like aesthetics.

REFERENCES:
patent: 3309855 (1967-03-01), Stoll et al.
patent: 3460336 (1969-08-01), Collingwood et al.
patent: 3605393 (1971-09-01), Schroeder
patent: 3772872 (1973-11-01), Piazza et al.
patent: 3785135 (1974-01-01), Seem et al.
patent: 3824776 (1974-07-01), London, Jr.
"Research Disclosure", --Apr. 1973; p. 29.

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