Plate cylinder

Details Plate cylinder Plate cylinder

1995-10-30

1997-02-04

Fisher, J. Reed

Printing

Flexible-sheet-securing devices

B41F 2712

Patent

active

055987800

ABSTRACT:
The present invention relates to a device for holding a printing plate on a plate cylinder in a rotary printing press, and to a rotary printing press including such a device. The printing plate, retained by an anterior edge on the external surface of the plate cylinder, is furthermore retained by fastening a posterior end fold onto a hook which can move, with respect to the plate cylinder between a front limiting position in which it forms a projection on the external surface to allow this posterior end fold to be fastened or unfastened, and a rear limiting position in which it is retracted with respect to this external surface and retains the printing plate in tension, in the wound state on this cylinder. The mounting and dismantling of the printing press are thereby facilitated, and the printing gap is reduced to a minimum.

REFERENCES:
patent: 2961951 (1960-11-01), Nitchie
patent: 3201151 (1965-08-01), Westveer
patent: 3715981 (1973-02-01), Huffman et al.
patent: 3727551 (1973-04-01), Kostas et al.
patent: 3921526 (1975-11-01), Cerny et al.
patent: 3941055 (1976-03-01), Semmler et al.
patent: 4068586 (1978-01-01), Frey et al.
patent: 5063964 (1991-11-01), Onishi et al.
patent: 5309832 (1994-05-01), Merkel et al.
patent: 5339738 (1994-08-01), Blaser et al.

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