Dual zone wet drafting device for twistless yarns

Details Dual zone wet drafting device for twistless yarns Dual zone wet drafting device for twistless yarns

1975-03-14

1978-08-01

Petrakes, John

Textiles: fiber preparation

Working

Fluid or special treatment

19288, 57 36, 57 51, D01H 522, D01H 572

Patent

active

041033965

ABSTRACT:
In wet-drafting an assembly of staple fibers, said assembly is drafted directly after wetting in at least two coupled drafting zones, producing together at least a 100-fold elongation. The drafting system is provided with compensating means (belt, guide and air blower) to prevent sticking of the fibers to the rollers of the drafting system and with means to control the amount of liquid between the staple fibers.

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patent: 3438094 (1969-04-01), Field, Jr.
patent: 3447310 (1969-06-01), Bok et al.
patent: 3877214 (1975-04-01), Van Der Werf
patent: 3885277 (1975-05-01), Schutz et al.

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