Process and apparatus

Details Process and apparatus Process and apparatus

D - Textiles, Paper

01

D

18/565

D01D 5/092 (2006.01) D01D 5/098 (2006.01) D01D 5/14 (2006.01)

Patent

CA 1285725

TITLE PROCESS AND APPARATUS ABSTRACT OF THE DISCLOSURE An improved melt spinning process for preparing polymeric filaments, wherein the freshly-extruded filaments enter an enclosed zone that is maintained at superatmospheric pressure by a controlled flow of air at a low positive pressure, and the filaments leave the zone through a constriction, either a venturi or a tube, assisted by the cocurrent flow of such air at a high controlled velocity. QP-3620

535806

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