Apparatus for controlling the sliver drafting arrangement in a t

Details Apparatus for controlling the sliver drafting arrangement in a t Apparatus for controlling the sliver drafting arrangement in a t

1987-10-16

1989-09-12

Rimrodt, Louis K.

Textiles: fiber preparation

Working

Drafting

19 027, 19239, D01H 538, D01H 542

Patent

active

048646946

ABSTRACT:
An apparatus for controlling the drafting of sliver in a draw frame wherein a control arrangement generates an adjusting signal in response to sliver mass variations to correspondingly vary the sliver draft. A modifying arrangement is provided for selective manual or automatic adjustment according to any given one or more operating parameters which influence the sliver drafting, such as physical characteristics of the sliver and environmental characteristics of the textile machine, to modify the operation of the control arrangement to correct the adjusting signal and thereby to further vary the drafting of the sliver to compensate for the operating parameters.

REFERENCES:
patent: 2542331 (1951-02-01), Hiensch
patent: 3676295 (1972-07-01), Rice
patent: 4369550 (1983-01-01), Meile
patent: 4473924 (1984-10-01), Hartmannsgruber et al.
patent: 4653153 (1987-03-01), Felix et al.
patent: 4703431 (1987-10-01), Salo et al.
DE-Z "Melliad Textilbericht" 8, 1964, p. 873.

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