D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/622
D01F 6/62 (2006.01) D01D 5/092 (2006.01) D01D 5/098 (2006.01) D01D 5/14 (2006.01)
Patent
CA 1290119
TITLE NEW UNIFORM POLYMERIC FILAMENTS ABSTRACT Improved polymeric filaments spun at high withdrawal speeds of the order of more than 5 km/min, and preferably of 7-12 km/min, wherein the freshly-extruded filaments enter an enclosed zone that is maintained at superatmospheric pressure by a controlled flow of heated air at a low positive pressure.
535804
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
Sze Benjamin C.
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