Process for making a spun-filament fleece

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

D - Textiles, Paper

04

H

18/586

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

Patent

CA 1286070

ABSTRACT OF THE DISCLOSURE The process for making a spun-filament fleece from at least two stretched thermoplastic monofilaments made of a thermoplastic material comprises feeding thermoplastic material to at least two spinnerets each including a separate group or plurality of spinning nozzles arranged in rows over a rectangular cross section, then exposing each band or group of thermoplastic filaments issuing from each group of spinning nozzles separately to a transverse flow of cooling air in a blower shaft, next stretching the bands or groups of thermoplastic filaments jointly in a common central stretching shaft by outflowing stretching air, then depositing jointly the thermoplastic filaments which have been stretched in a spun band moving below the stretching shaft continuously to form the spun-filament fleece and drawing a suction air flow through the spun band and/or the spun-filament fleece being formed.

551346

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