Start spinning arrangement for an open end friction spinning mac

Details Start spinning arrangement for an open end friction spinning mac Start spinning arrangement for an open end friction spinning mac

1984-04-26

1985-12-31

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57261, 57401, 57405, 57407, D01H 1502

Patent

active

045612420

ABSTRACT:
An open end friction spinning machine is described with a plurality of spinning units which respectively each include two similarly driven, adjacently arranged, friction rollers forming a wedge slot for forming yarn, an inlet and opening device for guiding in individual fibers to the wedge slot, a fiber feed channel connecting the inlet and opening device with the wedge slot, a withdrawal device for withdrawing the formed yarn in the direction of the wedge slot and a suction device to hold the formed and forming yarn in the wedge slot. To facilitate improved start spinning yarn connections, each spinning unit is provided in the region of the ends of the rollers opposite the withdrawal device with a guide element which securely holds the return guided yarn end portion in the region of the fiber feed opening of the fiber feed channel prior to the actual start spinning process.

REFERENCES:
patent: 4276742 (1981-07-01), Raasch et al.
patent: 4327546 (1982-05-01), Derichs et al.
patent: 4367623 (1983-01-01), Parker et al.

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