Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping
Patent
1981-12-21
1984-03-13
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Covering or wrapping
57304, D02G 336, D01H 718, D01H 1100
Patent
active
044359527
ABSTRACT:
A spinning assembly for a wrapped yarn spinning machine in which a staple sliver is guided by a delivery device into a hollow spindle which carries a co-rotating binding thread; the thread is wound around the staple sliver by the rotation of the hollow spindle. A stationary balloon limiter is provided in the vicinity of the binding thread and a screen is mounted in front of the delivery device, which screen comprises a passage for the staple sliver. This screen is constructed as a screen plate, mounted at an axial distance from the balloon limiter. This construction of the present invention has the advantage that an air stream is generated within the balloon limiter, which flows upward from below and leaves radially through the gap between the upper end of the uncovered balloon limiter and the screen plate. This air stream is directed counter to both the sliver and the binding thread entering the hollow spindle, so that no fiber fly can penetrate the interior of the hollow spindle.
REFERENCES:
patent: 4170101 (1979-10-01), Bock
patent: 4226077 (1980-10-01), Hilbert
patent: 4299083 (1981-11-01), Igel et al.
patent: 4336683 (1982-06-01), Bock et al.
Erhardt Rolf
Lang Kurt
Stahlecker Fritz
Petrakes John
Stahlecker Fritz
Stahlecker Hans
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