False twist device

Details False twist device False twist device

1980-12-17

1983-02-08

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57344, D01H 792, D02G 104

Patent

active

043721079

ABSTRACT:
An apparatus for inserting a false twist in roving or yarn as the strand or strands of fibers are fed from between a pair of front rolls to a takeup device. The apparatus includes a rotor rotatably carried in an enclosing casing. A plurality of circumferentially spaced air entrapping members is provided in the perimeter of the rotor so that upon applying pressurized air to the members, the rotor is driven. A yarn conveying tube extends axially through the rotor and is fixed thereto for being rotated therewith. A portion of the yarn conveying tube is radially disposed from the rotational axis of the rotor so that as the yarn flows through the rotating tube, a false twist is inserted in the yarn from the tube up to the nip of the front rolls.

REFERENCES:
patent: 2619790 (1952-12-01), Hardacre et al.
patent: 2655781 (1953-10-01), Heberlein et al.
patent: 2866311 (1958-12-01), Schrenk
patent: 3114231 (1963-12-01), Selling et al.
patent: 3241304 (1966-03-01), Mattingly
patent: 3292357 (1966-12-01), Richter
patent: 3624998 (1971-12-01), MacKie
patent: 3847190 (1974-11-01), Forester
patent: 3950930 (1976-04-01), Shindo et al.

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