Fiber opening device having fiber clearing suction tube

Details Fiber opening device having fiber clearing suction tube Fiber opening device having fiber clearing suction tube

1988-09-01

1989-10-31

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Clearing

57304, 57408, D01H 7885, D01H 7888

Patent

active

048768480

ABSTRACT:
A fiber opening device of the spinning unit of an openend rotor spinning machine, for avoiding misalignments in the connection between the front end of the sucking tube of a travelling automatic service unit and the inlet port of the spinning unit, in order to prevent false air from being sucked in at this contact point. According to the invention, a sucking tube is provided with a self-adjustable sealing head having a front sealing surface to be fitted onto the front wall of the spinning unit. In the inner space of the sealing head a partially spherical concave surface fitted onto a mating, partially spherical convex surface provided at the end of the said sucking tube.

REFERENCES:
patent: 4038812 (1977-08-01), Stahlecker
patent: 4041687 (1977-08-01), Motobayashi et al.
patent: 4089155 (1978-05-01), Stahlecker

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