Printing – Planographic – Rotary machines
Patent
1982-03-22
1983-12-20
Burr, Edgar S.
Printing
Planographic
Rotary machines
101148, 101177, 101179, 101216, 101352, 101DIG28, B41F 1100, B41F 524, B41F 736, B41L 2514
Patent
active
044210272
ABSTRACT:
To permit, selectively, lithographic printing, flexo printing, or direct lithographic printing on a printing machine with the same direction of rotation of the respective cylinders, a liquid application system (11) including a liquid application roller (15) is selectively positionable for engagement either with a plate cylinder (4, 5) of a lithographic system, the rubber blanket cylinder (2, 3) for direct lithographic printing, the plate cylinder then acting as a form ink transfer cylinder which is being continuously inked; or for engagement with the blanket cylinder, with a flexo printing plate applied to the blanket cylinder, and the plate cylinder being placed out of engagement with the blanket cylinder, the damping liquid for lithographic printing being replaced by flexo-printing ink, and the position (FIG. 3) being as close to the printing or impression line as possible, and between the zone of operation of the plate cylinder (4) and the printing cylinder (2) to prevent drying of the quick-drying flexo-printing ink.
REFERENCES:
patent: 2911907 (1959-11-01), Davidson
patent: 3203346 (1965-08-01), Norton et al.
patent: 3283741 (1966-11-01), Brodie
patent: 3793952 (1974-02-01), Neumann et al.
patent: 3889596 (1975-06-01), Thomas et al.
patent: 3986454 (1976-10-01), Granger
patent: 4222325 (1980-09-01), Edwards
patent: 4351236 (1982-09-01), Beisel et al.
Burr Edgar S.
M.A.N.--Roland Druckmaschinen Aktiengesellschaft
Wiecking David A.
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