Drafting unit for a spinning machine

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

1989-07-14

1990-11-06

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

With drafting

19244, 57315, D01H 1115, D01H 528, D01H 526

Patent

active

049675478

ABSTRACT:
In the case of a drafting unit for a spinning machine having a drafting zone, which is delimited by two pairs of rollers each consisting of top rollers and bottom rollers and in which an apron guide is located, it is provided that the diameter of at least the bottom roller of the following pair of rollers is smaller than the diameter of the bottom roller of the preceding pair of rollers.

REFERENCES:
patent: 2484810 (1949-10-01), Bacon et al.
patent: 2955329 (1960-10-01), Noda
patent: 3011221 (1961-12-01), Howell
patent: 4296528 (1981-10-01), Shlykov et al.
patent: 4384448 (1983-05-01), Wilkie
patent: 4498216 (1985-02-01), Suzuki et al.
patent: 4551887 (1985-11-01), Uematsu
patent: 4680833 (1987-07-01), Bahov et al.
patent: 4718225 (1988-01-01), Sanagi
patent: 4727626 (1988-03-01), Vinas

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