Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Reshaping running or indefinite-length work
Patent
1988-10-03
1989-10-31
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Reshaping running or indefinite-length work
28257, 264168, D02G 100
Patent
active
048775703
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 pe 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.
Kleeman Werner W.
Lowe James
Rieter Machine Works Ltd.
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