Edge treatment of flexographic printing elements

Details Edge treatment of flexographic printing elements Edge treatment of flexographic printing elements

2006-04-25

2006-04-25

Hirshfeld, Andrew H. (Department: 2854)

Printing

Printing members

Blanks and processes

C101S395000, C101S401300, C101S484000, C101S490000, C430S306000, C430S307000

Reexamination Certificate

active

07032512

ABSTRACT:
A method is provided for reducing UV exposure to edges of a printing plate which occurs when the printing plate is subjected to UV illumination. The method involves a spray head comprising one or more spray nozzles for spraying edge masking material toward the printing plate and a controller connected to control relative movement between the spray head and the printing plate. The method comprises receiving, at the controller, information related to the locations of the edges of the printing plate. In response to the information received at the controller, the controller provides controlled relative movement between the spray head and the printing plate causes the spray nozzles to spray edge masking material onto the edges of the printing plate. The method may be performed by a variety of apparatus.

REFERENCES:
patent: 3904492 (1975-09-01), Rich et al.
patent: 6161479 (2000-12-01), Murray
patent: 6180325 (2001-01-01), Gelbart
patent: 6312871 (2001-11-01), Cusdin et al.
patent: 6318262 (2001-11-01), Wolber et al.
patent: 6326124 (2001-12-01), Alince et al.

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