Plate cylinder and printing plate holder for the cylinder

Printing – Flexible-sheet-securing devices

Reexamination Certificate

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Details

C101S378000

Reexamination Certificate

active

06840173

ABSTRACT:
A plate cylinder and printing plate holder for the cylinder is provided, which is capable of adjusting relative positions of plural printing plate holders and fixing the printing plate holders on the plate cylinder without causing misalignments of images among printing plates held by the printing plate holders even after overprinting. A plate cylinder (2) is equipped with at least two printing plates (P) wrapped around the outer circumference thereof. The plate cylinder comprises printing plate holders (6, 7) provided each per printing plate (P) for holding the printing plates (P) on the outer circumference of the plate cylinder. The printing plate holders include one printing plate holder (6) provided in a stationary state and fixed against the plate cylinder and other printing plate holders (7) provided adjustable to move in the circumferential direction of the plate cylinder (2) and fixable against the plate cylinder.

REFERENCES:
patent: 2768579 (1956-10-01), Fies
patent: 3058417 (1962-10-01), Norlin
patent: 3095811 (1963-07-01), Peabody et al.
patent: 3456588 (1969-07-01), Brodie
patent: 3750571 (1973-08-01), Germann
patent: 4207815 (1980-06-01), Watanabe
patent: 6164204 (2000-12-01), Kawada et al.
patent: 6189452 (2001-02-01), Halup et al.
patent: 20010050013 (2001-12-01), Kawabata
patent: 5931467 (1984-08-01), None
patent: 2775850 (1998-05-01), None
English translated abstracts of the above-referenced Japanese Application Nos. 2775850 and 59-31467.
European Search report dated Mar. 11, 2003 which issued in connection with corresponding European patent application.

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