Process and apparatus for producing yarns

Details Process and apparatus for producing yarns Process and apparatus for producing yarns

1977-05-18

1978-11-14

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

With drafting

57333, 57350, D01H 528, D02G 104

Patent

active

041249720

ABSTRACT:
Method and apparatus suitable for producing a spun yarn at high speed from short fibers less than 50 mm. in length. A bundle of fibers having a particular thickness distribution in its width direction is supplied through a fluid jet false-twist nozzle in which a throttle portion connecting the upstream and downstream portions of the yarn passageway is provided non-eccentrically or eccentrically with respect to the downstream portion, and the downstream portion has a fluid conduit opening eccentrically there into and inclined toward the outlet end of the downstream portion. Air preferably containing water at room temperature in the form of mist is used as the fluid jetted through said nozzle.

REFERENCES:
patent: 3079746 (1963-03-01), Field, Jr.
patent: 3204396 (1965-09-01), Foster et al.
patent: 3206922 (1965-09-01), Nagahara et al.
patent: 3490219 (1970-01-01), Ozawa et al.
patent: 3683608 (1972-08-01), Buzano
patent: 3861133 (1975-01-01), Frankfort et al.
patent: 3992865 (1976-11-01), Tuchida et al.
patent: 4024698 (1977-05-01), Weiss et al.

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