Process for steam-conditioning spin-oriented polyamide filaments

Details Process for steam-conditioning spin-oriented polyamide filaments Process for steam-conditioning spin-oriented polyamide filaments

1983-09-26

1985-09-03

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642101, 2642893, 425 66, D01D 512

Patent

active

045391700

ABSTRACT:
An improved high-speed spinning process for making steam-conditioned partially-oriented polyamide draw-texturing feed yarns involves controlling the wall temperature of the lower portion of a steam conditioning tube independently of the steam flow and temperature in the upper tube.

REFERENCES:
patent: 3361859 (1968-01-01), Cenzato
patent: 3448186 (1969-06-01), Nicita et al.
patent: 3752457 (1973-08-01), Parmeggiani et al.
patent: 3994121 (1976-11-01), Adams
patent: 4069657 (1978-01-01), Bascom et al.
patent: 4181697 (1980-01-01), Koschinek et al.

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