Apparatus for continuously crimping thermoplastic filaments

Details Apparatus for continuously crimping thermoplastic filaments Apparatus for continuously crimping thermoplastic filaments

1989-06-09

1990-12-04

Schroeder, Werner H.

Textiles: manufacturing

Thread finishing

Surface modification of running length

57350, 57351, D02G 120

Patent

active

049743023

ABSTRACT:
For continuously crimping thermoplastic filaments, a filament bundle is blown by a jet nozzle into a stuffing chamber of a texturing wheel to produce a crimped filament bundle in the stuffing chamber. The stuffing chamber has a receiving zone, a treatment zone and a delivery zone. The filament bundle is subjected to a texturing or crimping treatment in the receiving zone and, depending upon the fiber material to be processed, undergoes a heating or cooling treatment in the treatment zone. The heating or cooling treatment is accomplished by a blowing agent which blows a gaseous medium into the stuffing chamber. At the delivery zone, the crimped filament bundle is taken-off or lifted-out of the stuffing chamber by fiber bundle-lifting means and moved towards a suction drum receiving the filament bundle. The reception of the crimped fiber bundle at the suction drum is assisted by a suction passage in the suction drum which sucks air through a porous surface thereof so that the filament bundle remains adhering to such suction surface and is further cooled by the ambient air. The texturing wheel and the suction drum are rotatably and drivably mounted.

REFERENCES:
patent: 3816887 (1974-06-01), Smith et al.

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