Method for determining an image area to be exposed on a...

Details Method for determining an image area to be exposed on a... Method for determining an image area to be exposed on a...

2008-07-15

2008-07-15

Yan, Ren (Department: 2854)

Printing

Printing members

Blanks and processes

C101S477000, C101S481000, C101S485000

Reexamination Certificate

active

07398732

ABSTRACT:
A method for aligning a printing plate, prior to imaging, on a platesetter includes the steps of: determining a leading edge of the printing plate; feeding the printing plate by the leading edge onto punch equipment resident on the platesetter; centering the printing plate on the platesetter along the leading edge; punching one or more notches along the leading edge of the printing plate according to a predetermined punch configuration; securing the leading edge and a trailing edge to a support surface of the platesetter with respect to registration pins located on platesetter; determining a location of a vertical edge of one of the notches, the vertical edge defined as being perpendicular to the leading edge; and determining a location with respect to the vertical edge of the one notch for transferring an image onto the printing plate.

REFERENCES:
patent: 6233038 (2001-05-01), Lennhoff et al.
patent: 6815702 (2004-11-01), Kiermeier et al.
patent: 7225737 (2007-06-01), Gelbart et al.

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