Positioning apparatus provided with a register for flexible...

Details Positioning apparatus provided with a register for flexible... Positioning apparatus provided with a register for flexible...

2006-10-31

2006-10-31

Hirshfeld, Andrew H. (Department: 2854)

Printing

Processes

Position or alignment

C101S484000, C101SDIG036, C348S092000, C348S095000, C033S614000, C033S617000

Reexamination Certificate

active

07127993

ABSTRACT:
The invention relates to a positioning apparatus for positioning flexible printing plates on printing cylinders, wherein the printing plates are provided with at least one mark functioning as reference, wherein the apparatus comprises:a support device for a printing cylinder;at least one camera which is adapted to record the image of the at least one mark of the printing plate positioned on the printing cylinder; anda monitor for enlarged display of the image recorded by the at least one camera,wherein the positioning apparatus is provided with a registering device for registering the image recorded by the camera.Using such a registering device it is possible to establish that the marks are located at the correct position. By making a copy of the data thus inputted into the register, evidence can be provided that the flexible printing plate is placed in the correct manner.

REFERENCES:
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patent: 5488781 (1996-02-01), Van Der Horst
patent: 5633676 (1997-05-01), Harley et al.
patent: 5809894 (1998-09-01), Goldstein
patent: 5850789 (1998-12-01), Rudolf et al.
patent: 6640716 (2003-11-01), Alonso et al.
patent: 0 728 580 (1996-08-01), None

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