Sliver feeding and opening device of an open end spinning machin

Details Sliver feeding and opening device of an open end spinning machin Sliver feeding and opening device of an open end spinning machin

1990-03-28

1990-12-11

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57301, 57304, 57412, D01H 430, D01H 432, D01H 436, D01H 438

Patent

active

049760998

ABSTRACT:
A sliver feeding and opening device includes an outlet opening for passage of separated fibers to the rotor and an intake opening for the intaking of sliver to be separated into fibers. An intermediate opening is disposed in the chamber of the housing of the device at a location downstream of the outlet opening and upstream of the intake opening. An air stream reduction conduit extends from the intermediate opening to the outlet passage. The intermediate opening and the air stream reduction conduit conduct air from a revolving stream of air which revolves in the space between the opening roller and the cylindrical wall of the housing of the sliver feeding and opening device to prevent the revolving stream of air from detrimentally interfering with the orderly feeding of sliver at the intake opening to the opening roller.

REFERENCES:
patent: 3360917 (1968-01-01), Kubovy et al.
patent: 3800520 (1974-04-01), Schiltknecht
patent: 3834145 (1974-09-01), Ellingham et al.
patent: 3892063 (1975-07-01), Doudlebsky et al.
patent: 3943690 (1976-03-01), Noguera
patent: 4201037 (1980-05-01), Artzt et al.
patent: 4314440 (1982-02-01), Onoue et al.
patent: 4495762 (1985-01-01), Junek et al.
patent: 4539808 (1985-09-01), Miyamoto et al.
patent: 4676059 (1987-06-01), Artzt et al.
patent: 4852340 (1989-08-01), Kotrba et al.

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