D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
18/586
D04H 3/00 (2006.01) D01G 25/00 (2006.01) D04H 3/04 (2006.01) D04H 3/16 (2006.01)
Patent
CA 1286069
ABSTRACT OF THE DISCLOSURE The process for making the spun-filament fleece proceeds in a filament-spinning device having a spinning nozzle system, a cooling shaft, a stretching gap, a diffuser shaft, a continuously moving mat-receiving conveyor and a device for feeding process air and for drawing or removing outflowing air through the mat-receiving conveyor. The cooling shaft has a shaft wall provided with a plurality of air orifices. That allows process air required for cooling to be fed into the cooling shaft. That air flow at least partially is drawn through the mat-receiving conveyor and the spun-filament fleece is formed by the deposited filament loops. The deposited length of the endless filament loops is measured over the spun-filament fleece width in the finished fleece. The measured value is compared with a predetermined set value. On deviation of the measured value from the set value the setting angles of pivoting wings which are each pivotable about a horizontal axis and which are located at the outlet of the diffuser shaft are changed. On a positive deviation of the measured value of the thickness from the set value the setting angle is decreased (deposited length larger than the set value).
551340
Borden Ladner Gervais Llp
Reifenhauser Hans
Reifenhauser Gmbh & Co. Maschinenfabrik
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