Apparatus for false-twisting synthetic filament yarns

Details Apparatus for false-twisting synthetic filament yarns Apparatus for false-twisting synthetic filament yarns

1974-10-30

1977-03-01

Watkins, Donald E.

Textiles: spinning, twisting, and twining

Apparatus and processes

Receiving twist type

57157F, D02G 116

Patent

active

040095630

ABSTRACT:
This invention relates to an apparatus for false twisting synthetic filament yarns, which apparatus is in the form of an air rotated nozzle having tangential inlet bores and two central outlet bores. The twisting chamber is set at an angle of 2.degree. to 40.degree. to the draw-off direction of the filament. The special advantage of this apparatus according to the invention is that it ensures smooth movement of the filament outside the twisting chamber.

REFERENCES:
patent: 2515299 (1950-07-01), Foster et al.
patent: 3079745 (1963-03-01), Breen et al.
patent: 3094374 (1963-06-01), Smith
patent: 3448500 (1969-06-01), Benson
patent: 3479707 (1969-11-01), Loveland
patent: 3636694 (1972-01-01), Pfunder et al.
patent: 3802174 (1974-04-01), Landwehrkamp et al.

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