Printing – Printing members – Blanks and processes
Patent
1990-06-13
1992-03-10
Crowder, Clifford D.
Printing
Printing members
Blanks and processes
1014013, 101486, 101DIG36, 33618, 355 85, 355104, B41F 524, G03B 2722
Patent
active
050941640
ABSTRACT:
A method of in-register exposing and printing of a flexible letterpress form for spot varnishing, which comprises fixing on a copying cylinder in-register a flexible letterpress form having a register system in a region of the leading edge of the form, and exposing the form, then clamping the flexible letterpress form on a rubber-blanket cylinder having a greater diameter than that of the copying cylinder so as to compensate for distortion of a subject in circumferential direction during circular exposure.
REFERENCES:
patent: 1043430 (1912-11-01), Huebner
patent: 2417496 (1947-03-01), Huebner
patent: 2560696 (1951-07-01), Huebner
patent: 3347161 (1967-10-01), Lenk et al.
patent: 3369471 (1968-02-01), Fries et al.
patent: 4380956 (1983-04-01), Elworthy
patent: 4833985 (1989-05-01), Kojima et al.
Arendt Franz
Kowalczyk Karl
Crowder Clifford D.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
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