High-draft drafting device for a flyerless spinning process

Details High-draft drafting device for a flyerless spinning process High-draft drafting device for a flyerless spinning process

1989-08-31

1991-05-21

Schroeder, Werner H.

Textiles: fiber preparation

Working

Drafting

D01H 532

Patent

active

050163230

ABSTRACT:
The drawframe has a preliminary drafting zone with a draft of from 4 to 8 as well as a main drafting zone with a draft of at least 30. In addition, a deflecting rod is disposed in the preliminary drafting zone in order to deflect the flow of fiber by about 1 millimeter. The deflecting rod is positioned centrally between the nips of the rollers defining the preliminary drafting zone. The guide surface of the deflecting rod may be convexly rounded not only transversely but also longitudinally in guiding the fiber flow thereover.

REFERENCES:
patent: 3748694 (1973-07-01), Staneff
patent: 4387487 (1983-06-01), Nakahara et al.
patent: 4398320 (1983-09-01), Kubota et al.
patent: 4592114 (1986-06-01), Stahlecker
Wegener, Walter Die Streckwerke Der Spinnereimaschinen, Springer-Verlag, 1965, pp. 193 to 243.

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