Fibre loosening device for a spinning unit of spinning machine

Details Fibre loosening device for a spinning unit of spinning machine Fibre loosening device for a spinning unit of spinning machine

1988-06-15

1989-09-19

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

19 83, 19105, 57412, D01H 7892, D01H 7895, D01G 1540

Patent

active

048669261

ABSTRACT:
Fibre loosening device for a spinning unit of a spinning machine. The invention relates to a fibre loosening device for a spinning unit of a spinning machine. Before entering the fibre separating area, the sliver is longitudinally separated into fibre sections fed to a separating region, i.e., to helix-like arranged functional lines on the fibre separating roller, such feeding being non-simultaneous but sequential. The division into the fibre sections is initially carried out by means of protrusions defining grooves therebetween on a condenser, the axial distance between these grooves not being an integer multiple of the helix lead width of the functional lines on the fiber separating roller. The arrangement provides for reducing periodical irregularities of the fibres for the subsequent spinning process.

REFERENCES:
patent: 3571859 (1971-03-01), Doudlebsky et al.
patent: 4251984 (1981-02-01), Ripka et al.
patent: 4254612 (1981-03-01), Miyamoto et al.
patent: 4459801 (1984-07-01), Stahlecker et al.

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