Apparatus for detwisting textile fabrics in rope form

Details Apparatus for detwisting textile fabrics in rope form Apparatus for detwisting textile fabrics in rope form

1980-05-02

1981-09-01

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Untwisting

26 99, 57 31, D06C 306

Patent

active

042864283

ABSTRACT:
Apparatus for untwisting a textile length which has become gathered and twisted into rope-like form includes a rotatable guide through which the textile is passed in a manner such as to be constrained for rotation therewith. The guide is rotatable by a reversible drive. Twist detecting means comprising two mutually axially-displaceable rifled rollers, are arranged to control the drive such as to rotate the guide in a sense dependent on the detected sense of twisting of the textile. To avoid the need for conventional bearings in the mounting of the guide, opposite ends of the guide are provided with respective annular tracks engaged by respective groups of rollers rotatably carried on a support structure. One of the track-engaging rollers is driven from the drive to cause rotation of the guide.

REFERENCES:
patent: 2117603 (1938-05-01), Dungler
patent: 2248962 (1941-07-01), Cook
patent: 2759324 (1956-08-01), Dean
patent: 2836012 (1958-05-01), Moorhouse et al.
patent: 3533144 (1970-10-01), Jaffe et al.
patent: 3693336 (1972-09-01), Bassani
patent: 3813862 (1974-06-01), Tsuchida
patent: 4106004 (1978-08-01), Kuroda

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