Textiles: spinning – twisting – and twining – Apparatus and processes – Piecing up
Patent
1990-06-05
1992-01-28
Stodola, Daniel P.
Textiles: spinning, twisting, and twining
Apparatus and processes
Piecing up
57352, 57405, D01H 1500
Patent
active
050834207
ABSTRACT:
In a device for the piecing of a yarn on an open-end spinning device, a yarn mover by means of which a yarn end is fed to a yarn draw-off pipe is provided. A first stop to determine the cutting position and a second stop to determine the yarn insertion position are assigned to the yarn mover. The first stop can be put out of action. In addition, a yarn length adjusting device is provided to determine the length of yarn to be fed back into the open-end spinning element. The cutting position and the yarn insertion position of the yarn mover are set for the smallest size fiber collection surface of the open-end spinning element that can be used. When larger fiber collection surfaces are used, the additional required length of yarn is readied by rotating the winding device backward.
REFERENCES:
patent: 3924393 (1975-12-01), Stahlecker et al.
patent: 3962855 (1976-06-01), Stahlecker
patent: 4145867 (1979-03-01), Kamp
patent: 4438624 (1984-03-01), Mayer et al.
patent: 4494371 (1985-01-01), Morita et al.
patent: 4644742 (1987-02-01), Loyas et al.
patent: 4724665 (1988-02-01), Raasch et al.
Rudolf Becker
Rupert Karl
Schubert & Salzer Maschinenfabrik Aktiengesellschaft
Stodola Daniel P.
Stryjewski William T.
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