Driven squeegee carriage and magnetic beam backup

Details Driven squeegee carriage and magnetic beam backup Driven squeegee carriage and magnetic beam backup

1976-09-24

1978-05-23

Suter, Ronald E.

Printing

Stenciling

Traveling-inker machines

118258, 118406, B41F 1546

Patent

active

040904431

ABSTRACT:
A device for treating a web or the like adapted for screen printing including a magnetizable wiping roller or squeegee mounted on a working carriage, a printer's blanket carrying the web, a magnetic beam disposed below the printer's blanket, and rails rollably supporting the magnetic beam. The magnetizable wiping roller is urged towards the web through movement of the working carriage in the longitudinal direction of the printers blanket, and guided thereover by the magnetic beam in the course of printing on the web. The web is stationary during treatment. An electric motor is provided for moving the magnetic beam and the motor drives at least one drive wheel engageable with the rails for moving the beam. Speed and position of the wiping roller is determined by a sensor arrangement responsive to deviation of the working carriage from the magnetic beam path.

REFERENCES:
patent: 2571685 (1951-10-01), D'Autremont
patent: 3196784 (1965-07-01), Kraft
patent: 3650208 (1972-03-01), Lambert
patent: 3795189 (1974-03-01), Jaffa

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