Weighting device for drafting means

Details Weighting device for drafting means Weighting device for drafting means

1983-07-14

1985-04-16

Rimrodt, Louis K.

Textiles: fiber preparation

Working

Drafting

19272, 19295, D01H 552

Patent

active

045106487

ABSTRACT:
A novel weighting device for draft rollers, in which a diaphragm is provided, as a pressing unit, above each top side roller. The diaphragms provided on a spinning frame are classified into a plurality of groups corresponding to species of rollers such as front rollers, middle rollers, and back rollers. Each group of diaphragms has common piping having a regulator for air pressure and branched to the diaphragms belonging to the group. One end of the piping is connected to a common high pressure air source, from which air of a uniform pressure controlled by the regulator is supplied to the diaphragms belonging to the group. Since a weighting force onto a top side roller is a function of a air pressure supplied to the diaphragm, it can be changed or diminished at once in a centralized manner by adjusting the regulator. Therefore, troublesome adjustment of individual pressing units is unnecessary.

REFERENCES:
patent: 2971226 (1961-02-01), Eggenschwyler
patent: 3143772 (1964-08-01), Whitehurst
patent: 4187587 (1980-02-01), Vignon

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