Open-end spinning rotor and process for producing same

Details Open-end spinning rotor and process for producing same Open-end spinning rotor and process for producing same

1985-08-07

1987-05-12

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

29455R, 29463, 29DIG48, 57414, D01H 7885, D01H 1135

Patent

active

046639306

ABSTRACT:
In an open-end spinning rotor comprising two separately-formed rotor parts subsequently connected to one another, a parting gap between the two rotor parts opens into the fiber-collecting groove and is formed at least partially as a weld seam connecting the two rotor parts. At least part of the fiber-collecting groove may be formed by an insert ring to increase the wear-resistance of the groove. The ring, adjoining a sliding wall of the upper rotor part, is clamped between the two rotor parts and thereby radially inwards limits the parting gap inwards. To produce one of the present open-end spinning rotors, during welding the two rotor parts are so arranged relative to the welding location and rotated past the latter that the weld seam forms on the outside of the spinning rotor and does not project into the fiber-collecting groove.

REFERENCES:
patent: 1586691 (1926-06-01), Murray, Jr.
patent: 3339360 (1967-09-01), Mikulecky et al.
patent: 3439487 (1969-04-01), Landwehrkamp et al.
patent: 4193253 (1980-03-01), Herbert et al.
patent: 4319449 (1982-03-01), Hofmann
patent: 4339911 (1982-07-01), Hofmann
patent: 4492077 (1985-01-01), Raasch et al.
patent: 4561476 (1985-12-01), Bunkoczy
patent: 4590652 (1986-05-01), Harwood

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