Raised image plate construction with regions of varying stiffnes

Details Raised image plate construction with regions of varying stiffnes Raised image plate construction with regions of varying stiffnes

1989-11-14

1991-12-24

Crowder, Clifford D.

Printing

Printing members

Plates

1014013, B41L 3800, B41M 904

Patent

active

050742094

ABSTRACT:
In a raised-image printing process, a plate construction includes a plate portion with an upper printing surface for printing an image on a substrate, the image including areas of greater ink coverage and areas of lesser ink coverage. Regions of greater and lesser stiffness are incorporated in the construction such that greater contact pressure is applied under image areas of greater ink coverage, and lesser contact pressure is applied under areas of lesser ink coverage.

REFERENCES:
patent: 2133981 (1938-10-01), Frazier
patent: 2825282 (1958-03-01), Gergen et al.
patent: 3085507 (1963-04-01), Kunetka
patent: 3102030 (1963-08-01), Hoerner
patent: 3103168 (1963-09-01), Braznell et al.
patent: 3213789 (1965-10-01), McIlvaney et al.
patent: 3347162 (1967-10-01), Braznell et al.
patent: 3391637 (1968-07-01), Reynolds et al.
patent: 3703362 (1972-11-01), Dustin
patent: 3779761 (1973-12-01), Dustin
patent: 4078494 (1978-03-01), Gregory

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