Textiles: spinning – twisting – and twining – Apparatus and processes – Open end spinning
Patent
1987-08-31
1988-04-19
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Open end spinning
57411, 57413, D01H 7898, D01H 1135
Patent
active
047380977
ABSTRACT:
A friction spinning device includes two drums being driven in the same direction and defining a wedge-shaped gap therebetween having a spinning region. A yarn draw-off device draws off yarn produced in the wedge-shaped gap in a given yarn draw-off direction. At least one of the drums is perforated and a suction device is disposed in the at least one drum and directed against the wedge-shaped gap. A fiber supply device has a fiber guide channel disposed at an angle relative to the given yarn draw-off direction. The fiber guide channel has substantially parallel side wall sections being mutually spaced apart by a given distance and the fiber guide channel has a slit-like fiber dispersion opening disposed in the wedge-shaped gap being delimited by the side wall sections and having a width substantially equal to the given distance. The fiber guide channel has a pipe-like enlargement at an end of the fiber dispersion opening being wider than the fiber dispersion opening. The pipe-like enlargement has an end in the form of an open pipe orifice joining the fiber dispersion opening in the wedge-shaped gap, and the open pipe orifice has a wall merging from the open pipe orifice into the side wall sections of the fiber guide channel.
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Brockmanns Karl-Josef
Lunenschloss Joachim
Greenberg Laurence A.
Lerner Herbert L.
Petrakes John
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