Device for hooking flexible printing plates on a printing cylind

Details Device for hooking flexible printing plates on a printing cylind Device for hooking flexible printing plates on a printing cylind

1995-06-07

1996-06-18

Burr, Edgar S.

Printing

Flexible-sheet-securing devices

1013821, 1013891, B41F 2100

Patent

active

055267467

ABSTRACT:
A device for hooking flexible printing plates which have a supporting sheet with one or more printing motifs onto a rotary printing cylinder includes a front hooking strip having an almost U-shaped cross section engaged in a hook-shaped groove arranged along a surface of the cylinder. One or more stops are provided on the supporting sheet adjacent to the hooking strip and are received in a second groove formed in the cylinder, which has a cross sectional profile corresponding to the profile of the stops. The second groove can be in communication with third grooves extending at right angles thereto and the second groove and third grooves can be in communication with a source of vacuum to facilitate holding the flexible printing plate on the cylinder.

REFERENCES:
patent: 1923925 (1931-01-01), Frankboner
patent: 4005653 (1977-02-01), Arkell
patent: 4683822 (1987-08-01), Sardella et al.
patent: 5103729 (1992-04-01), Philpot
patent: 5241907 (1993-09-01), Dorsam et al.
patent: 5402721 (1995-04-01), Schultz

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