Process and an apparatus for the pneumatic cleaning of a thread

Details Process and an apparatus for the pneumatic cleaning of a thread Process and an apparatus for the pneumatic cleaning of a thread

1998-05-05

2000-08-01

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Clearing

57301, 57415, 57417, D01H 1100

Patent

active

060949015

ABSTRACT:
The present invention concerns a process and an apparatus, in particular a rotor cover (3) and a thread withdrawal tube (2), of an open-end spinning machine, for the pneumatic cleaning of the thread withdrawal tube (2) which has an irregular inner contour. In this arrangement, there opens into the zone of the irregular contour (24, 220) of the thread withdrawal tube (2) an air feed tube (6, 60) directed against the irregular interior contour (24, 200) into the inner space (25) of the thread withdrawal rube (2), through which a flow of air is conducted against the irregular inner contour (24, 220) of the thread withdrawal tube (2). The irregular inner contour (24) of the thread withdrawal tube (2) is formed by means of a disassembly point between two thread guiding elements (20, 21, 22, 23) arranged in sequence, the elements making up the complete thread withdrawal tube (2) or a twist element (220).

REFERENCES:
patent: 4038812 (1977-08-01), Stahlecker
patent: 4069654 (1978-01-01), Roehrich
patent: 4665687 (1987-05-01), Ott et al.
patent: 4829762 (1989-05-01), Wassenhoven
patent: 4843812 (1989-07-01), Raasch
patent: 5044151 (1991-09-01), Pohn et al.
German Patent Office Search Report, Jul. 23, 1997.

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