Apparatus for making a yarn

Details Apparatus for making a yarn Apparatus for making a yarn

1983-11-22

1985-03-05

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57406, D01H 7882

Patent

active

045022720

ABSTRACT:
Apparatus for making a yarn comprises two juxtaposed, closely spaced apart suction drums, which are rotated in the same sense and each of which contains a suction insert, which is formed with a suction slot that faces the generally triangular space between the two suction drums. To permit the use of a lower suction flow rate and to ensure that this will not adversely affect the quality of the resulting yarn, each suction insert is mounted to be rotatable about the axis of the associated suction drum and positioning drive means are provided, which serve to rotate the suction inserts in mutually opposite senses and comprise two worm wheels, which are secured to respective stub shafts, which protrude axially from the suction drums and are secured to respective ones of the suction inserts, and two worm-carrying shafts, which are in mesh with respective ones of said worm wheels.

REFERENCES:
patent: 4091605 (1978-05-01), Jacobsen
patent: 4202163 (1980-05-01), Turk et al.
patent: 4281507 (1981-08-01), Didek et al.
patent: 4334400 (1982-06-01), Fehrer
patent: 4399650 (1983-08-01), Parker et al.
patent: 4420928 (1983-12-01), Fehrer

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