Apparatus for making a spun-filament fleece

Details Apparatus for making a spun-filament fleece Apparatus for making a spun-filament fleece

D - Textiles, Paper

01

D

18/567

D01D 5/088 (2006.01) D01D 4/00 (2006.01) D01D 5/092 (2006.01) D04H 3/02 (2006.01) D04H 3/16 (2006.01)

Patent

CA 1288566

ABSTRACT OF THE DISCLOSURE The fleece spinning unit comprises a spinning nozzle system, a cooling shaft, a stretching aperture, a diffuser shaft, a continuously moving fleece delivery conveyor and a device for feeding process air and for drawing outflowing air through the fleece delivery conveyor. The cooling shaft has a shaft wall provided with a plurality of air orifices. Because of that process air required for the cooling is fed into the cooling shaft and it is at least partially drawn through the fleece delivery conveyor. The thickness of the spun fleece is measurable on the fleece delivery conveyor downstream of the diffuser shaft in the transport direction. A measured value set value comparison is made and on deviation of the measured value from the set value the setting angles of opposing air control flaps which are located at the entrance of the stretching aperture are changed. On a positive deviation of the measured value of the thickness from the set value the setting angle is increased; on a negative deviation from the set value the setting angle is decreased.

551339

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