Open-end rotor spinning machine

Details Open-end rotor spinning machine Open-end rotor spinning machine

1986-05-01

1988-01-05

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57 81, 57264, 57405, D01H 1502, D01H 1316

Patent

active

047167181

ABSTRACT:
An open-end rotor spinning machine includes a plurality of spinning stations each including a first thread monitor monitoring a thread course and a rotor spinning device receiving a fiber supply and having a spinning element; an automatic thread joining device for joining a thread to be conducted to the rotor element, and a second thread monitor disposed on the automatic thread joining device for monitoring the thread course without placing a load on the thread when the first thread monitor is inoperative and the automatic thread joining device is operative, the automatic device delivering the second thread monitor and a thread to a location directly adjacent the spinning element, and the second thread monitor including a device for immediately interrupting the fiber supply to the rotor spinning device if the second thread monitor detects the absence of the thread.

REFERENCES:
patent: 4007457 (1977-02-01), Aeppli
patent: 4137699 (1979-02-01), Stahlecker et al.
patent: 4276742 (1981-07-01), Raasch et al.
patent: 4541233 (1985-09-01), Raasch et al.
patent: 4541235 (1985-09-01), Raasch
patent: 4660365 (1987-04-01), Raasch

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