Process for producing synthetic filaments

Details Process for producing synthetic filaments Process for producing synthetic filaments

1993-06-07

1994-11-01

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264237, 425 722, B29C 3516, D01D 512

Patent

active

053605896

ABSTRACT:
A process for producing spin-oriented continuous filaments at a draw-off speed of more than 2400 m/min, whereby the filaments extruded through the spinnerets of the spinning heads are cooled in cooling shafts by the ambient air entrained as a result of the suction action of the filaments and the filaments leaving the cooling shafts enter a chamber that is separate from the intake environment where the air pressure is regulated at a lower pressure in comparison with the air pressure in the intake environment.

REFERENCES:
patent: 4496505 (1985-01-01), Tanji et al.
patent: 4529368 (1985-07-01), Makansi
patent: 4712988 (1987-12-01), Broaddus et al.
patent: 5234327 (1993-08-01), Martin

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