Drafting unit for a spinning machine

Details Drafting unit for a spinning machine Drafting unit for a spinning machine

1990-03-05

1990-11-27

Schroeder, Werner H.

Textiles: fiber preparation

Working

Drafting

D01H 574

Patent

active

049725548

ABSTRACT:
In the case of a drafting unit for a spinning machine, it is provided that the pressure roller and the bottom roller of the pair of delivery rollers have a smaller diameter than the pressure roller and the bottom roller of the preceding pair of rollers, and in that the thickness of the covering of the pressure roller of the pair of delivery rollers amounts to at least approximately 4 mm. The bottom roller of the pair of delivery rollers has a profiling, the depth of which is no larger than 0.4 mm.

REFERENCES:
patent: 2357243 (1944-08-01), Walker
patent: 2484810 (1949-10-01), Bacon et al.
patent: 2589797 (1952-03-01), Getchell
patent: 3212168 (1965-10-01), Sommer
patent: 3228088 (1966-01-01), Schaeffler et al.
patent: 3331104 (1967-07-01), Field, Jr.
patent: 4734958 (1988-04-01), Coerstges et al.

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