Opening unit for open-end spinning machines

Details Opening unit for open-end spinning machines Opening unit for open-end spinning machines

1980-08-06

1984-09-18

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

19105, 19115R, 57301, D01H 7895

Patent

active

044716079

ABSTRACT:
In an opening unit for open-end spinning machines, which comprises a housing and a roller lined with sawtooth wire and rotatably arranged in the housing for separating the fibers along their path from the inlet to the outlet of the opening unit, a dirt separation duct is provided in the housing and is maintained under a reduced pressure. In the wall of the housing adjacent at least one side of the dirt separation duct a parallelizing element is inserted which comprises a plurality of saw tooth wire sections arranged in a side-by-side relationship and serving to balance the adverse effect of the dirt separation duct on the parallel flow of fibers on their path through the opening unit.

REFERENCES:
patent: 3777466 (1973-12-01), Kabele
patent: 3839855 (1974-10-01), Stalder
patent: 3884028 (1975-05-01), Stahlecker et al.
patent: 4024699 (1977-05-01), Goldammer et al.
patent: 4321788 (1982-03-01), Alston

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