Open-end spinning device

Details Open-end spinning device Open-end spinning device

1986-07-01

1987-10-20

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

47406, 47411, D01H 7882, D01H 7885, D01H 1135

Patent

active

047005394

ABSTRACT:
In an open-end spinning device with two friction rollers driven in the same direction, located next to each other and forming a spinning nip, at least one of such friction rollers has a perforated casing which is over-mounted at one end. Such roller further contains a suction insert with a suction orifice connected to a negative pressure (i.e. vacuum) source. The perforated casing is supported on a shaft, one end of which is received and supported in a portion of the suction insert. The suction insert is located within the casing, directly behind it, and has a constant cross-section up to its connection with a suction line. In such manner, a maximum suction cross-section is provided with minimum support requirements.

REFERENCES:
patent: 4441310 (1984-04-01), Parker et al.
patent: 4502272 (1985-03-01), Fuchs
patent: 4601167 (1986-07-01), Fuchs

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