D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
18/565
D01D 5/088 (2006.01) D01G 25/00 (2006.01) D04H 3/00 (2006.01) D04H 3/16 (2006.01)
Patent
CA 1280263
16469 ABSTRACT OF THE DISCLOSURE A device for making a spun fleece comprises a spinning nozzle or spinneret system, a cooling shaft, a stretching gap a diffuser shaft, a continuously moving fleece delivery conveyor and a device for feeding process air and for pulling or removing 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. The air flow at least partially is pulled through the fleece delivery conveyor and the spun fleece formed by the deposited endless filament loops. The deposited length of the endless filament loops is measured over the spun 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 the air control flaps pivotable about a horizontal axis which are located at the entrance of the stretching gap are changed. On a positive deviation of the measured value of the thickness from the set value the setting angles are decreased (deposited length larger than the set value).
551337
Balk Hermann
Borden Ladner Gervais Llp
Reifenhauser Gmbh & Co. Maschinenfabrik
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