High speed process for making fully-oriented nylon yarns and yar

Details High speed process for making fully-oriented nylon yarns and yar High speed process for making fully-oriented nylon yarns and yar

1997-03-11

1998-05-12

Edwards, Newton

Stock material or miscellaneous articles

Hollow or container type article

Paper containing

428395, 206392, 242159, 242128, B27N 000, D02G 300, B65D 8566, B65H 1828

Patent

active

057502153

ABSTRACT:
A coupled spin-draw process for making a fully-oriented nylon yarn including extruding molten nylon polymer with a selected RV through a spinneret and cooling to produce a yarn. The yarn is withdrawn from the quench zone with a feed roll rotating at a speed of at least 4500 mpm. The process further includes cold drawing followed by relaxing the yarn using a steam intermingling jet and then winding up.

REFERENCES:
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patent: 4983448 (1991-01-01), Karageorgiou
patent: 5219503 (1993-06-01), Boles, Jr. et al.
patent: 5360667 (1994-11-01), Boyles, Jr. et al.
patent: 5419964 (1995-05-01), Boyles, Jr. et al.

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