Printing – Rolling contact machines – Rotary
Patent
1984-09-25
1986-05-20
Burr, Edgar S.
Printing
Rolling contact machines
Rotary
1014151, 101DIG12, B41F 500, B41F 520, B41F 128, B41F 2712
Patent
active
045893381
ABSTRACT:
In printing with flexographic plates it is essential that each plate be accurately positioned on the plate cylinders. The mounting apparatus and method of this invention provide a register cylinder on which the flexographic plate is positioned by registration pins. The plate cylinder on which the flexographic plate is to be mounted is positioned in a predetermined rotational position on a mounting so that it can be moved towards and away from the register cylinder. The register cylinder is then rotated to a predetermined position and the plate cylinder brought into abutment with the flexographic plate and register cylinder. The registration pins are then retracted and both cylinders rotated to transfer the flexographic plate to the outer surface of the plate cylinder in registration. The plate adheres to the cylinder surface either by an adhesive substance, such as double sided tape, or magnetically.
REFERENCES:
patent: 1820551 (1931-08-01), Wood
patent: 2539965 (1951-01-01), Moss
patent: 2711691 (1955-06-01), Leavens
patent: 3186336 (1965-06-01), Kirby
patent: 3347161 (1967-10-01), Lenk
patent: 3390633 (1968-07-01), Boughton
patent: 4034671 (1977-07-01), Bach
Collins Billy
Collins James F.
Burr Edgar S.
Klima William L.
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