Device for correcting trapezoidal register deviations

Details Device for correcting trapezoidal register deviations Device for correcting trapezoidal register deviations

1992-09-21

1995-05-16

Fisher, J. Reed

Printing

Flexible-sheet-securing devices

B41F 2706

Patent

active

054150965

ABSTRACT:
A device for correcting trapezoidal register deviations, which includes clamping a trailing edge of a printing plate on a plate cylinder at a plurality of partial sections thereof, making a specimen print for determining register deviations, and correcting register deviations by changing lateral spacing of two of the partial sections engaged in the clamping, and prior to correcting the register deviations, applying an additional clamping force to the two partial sections, the lateral spacing of which is changed; and a device for performing the method.

REFERENCES:
patent: 3903796 (1975-09-01), Jeschke et al.
patent: 4831931 (1989-05-01), Jeschke et al.
patent: 5094165 (1992-03-01), Sugiyama et al.
patent: 5199352 (1993-04-01), Sugiyama

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