Device and process for the storage of a yarn

Details Device and process for the storage of a yarn Device and process for the storage of a yarn

1989-07-25

1990-11-06

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57261, 242 355R, 242 37A, D01H 448, D01H 1500

Patent

active

049675494

ABSTRACT:
A device for the storage of a yarn of limited length spun on a spinning machine, comprising a suction pipe and a yarn storage chamber. The suction pipe is connected to a negative-pressure line and serves to seize the yarn by means of suction air. The yarn storage chamber is located between the negative pressure line and the suction pipe. The yarn can be aspirated into the yarn storage chamber and can be drawn off once more in the direction opposite to the direction of aspiration. The yarn storage chamber is located in a body which is rotatably mounted.
In the process for the storing of the yarn, the yarn is seized by the stream of suction air and is sucked through the suction pipe into the yarn storage chamber. The yarn is accumulated against the screen surface of the yarn storage chamber until the stream of suction air in the suction pipe is weakened to a point where additional aspiration of more yarn is prevented. The yarn is then drawn out of the yarn storage chamber through the suction pipe in a direction opposite to the direction of yarn aspiration.

REFERENCES:
patent: 4121409 (1978-10-01), Uchida et al.
patent: 4223518 (1980-09-01), Karl et al.
patent: 4356692 (1982-11-01), Karl et al.
patent: 4456188 (1984-06-01), Sakai et al.

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