Title: Apparatus for false-twisting synthetic filament yarns

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.

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Inventors: Lenz, Hans (Dormagen, DT)
Muschelknautz, Edgar (Leverkusen, DT)
Herold, Heiko (Dormagen, DT)
Bernklau, Kurt (Dormagen, DT)
Georgias, Lutz (Dormagen, DT)

Application Number: 519302
Filing Date: 1974-10-30
Publication_date: 1977-03-01
Assignee: Bayer Aktiengesellschaft (Leverkusen, DT)
Primary Class(es): 57/333
Other Classes:
US Patent Ref:

2515299	Jul, 1950	Foster et al.	57/77.
3079745	Mar, 1963	Breen et al.	57/77.
3094374	Jun, 1963	Smith	57/77.
3448500	Jun, 1969	Benson	57/157.
3479707	Nov, 1969	Loveland	57/34.
3636694	Jan, 1972	Pfunder et al.	57/77.
3802174	Apr, 1974	Landwehrkamp et al.	57/77.

Other Refs:
Primary Examiner: Watkins, Donald E.
Assistant Examiner:
Attorney: Burgess, Dinklage & Sprung