Apparatus for melt spinning with high pull-off speeds and filame

Details Apparatus for melt spinning with high pull-off speeds and filame Apparatus for melt spinning with high pull-off speeds and filame

1992-07-22

1993-08-10

Simmons, David A.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

Orifice for filaments or fibers

2642108, 26421114, 26421115, 425 66, D01D 500

Patent

active

052343278

ABSTRACT:
A melt-spinning device comprises an essentially sealed spinning chamber (3) mounted in a gas-tight manner between a spinneret bundle (2) and a yarn suction device (7). The spinning chamber (3) is partially perforated only in the region located 150 to 350 mm from the spinneret bundle. At a winding-off speed of 5,500 m/min, the filament produced has a count irregularity less than 0.60% U.

REFERENCES:
patent: 2404717 (1946-07-01), Houtz
patent: 3053611 (1962-09-01), Griehl
patent: 3632719 (1972-01-01), Nozawa
patent: 3679786 (1972-07-01), Van Doornewaard et al.
patent: 3684416 (1972-08-01), Lenk
patent: 3707593 (1972-12-01), Fukada et al.
patent: 3939639 (1976-02-01), Ellegast
patent: 4702871 (1987-10-01), Hasegawa et al.

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