Device for securing flexible printing plates under tension on a

Details Device for securing flexible printing plates under tension on a Device for securing flexible printing plates under tension on a

1987-02-27

1987-12-15

Burr, Edgar S.

Printing

Flexible-sheet-securing devices

101378, B41F 2712

Patent

active

047124768

ABSTRACT:
A device for securing flexible printing plates under tension on a plate cylinder of a rotary printing machine having tensioning rails operatively associated with both ends of the plate and being braceable against side walls of a transverse channel formed in the plate cylinder for tensioning the printing plate includes a device for selectively stretching and compressing at least one of the ends of a printing plate in axial direction of the plate cylinder, the tensioning rail operatively associated with the one plate end being of one-piece construction and having a clamping member disposed at a middle region thereof and respective tensioning segments disposed at end regions thereof and actuable for stretching and compressing the one plate end.

REFERENCES:
patent: 3903796 (1975-09-01), Jeschke et al.
patent: 4596188 (1986-06-01), Bonomi

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