Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Patent
1995-02-07
1996-09-24
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
2642108, 26421115, 26421117, 264342RE, D01D 516, D01D 1002, D01F 660
Patent
active
055588263
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 The yarn is withdrawn from the quench zone with a feed roll rotating at a speed of at least 4500 mpm.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:
patent: 4123492 (1975-05-01), McNamara et al.
patent: 4228120 (1978-04-01), Bromley et al.
patent: 4229500 (1978-01-01), Adachi et al.
patent: 4983448 (1988-06-01), Karageorgiou
patent: 5219503 (1991-11-01), Boles, Jr. et al.
Translation of Japan 61-132,615 (Published Jun. 20, 1986).
Jaegge Walter J.
Malone, Jr. Francis J.
Overton Frank H.
Ross Roger A.
Steele Ronald E.
E. I. Du Pont de Nemours and Company
Tentoni Leo B.
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