Printing – Flexible-sheet-securing devices
Patent
1991-04-16
1993-07-06
Burr, Edgar S.
Printing
Flexible-sheet-securing devices
101487, 29895212, B41F 2706
Patent
active
052244237
ABSTRACT:
For fitting an offset printing plate on a plate cylinder, both ends of the plate are provided with a bent end portion designed for being hooked onto a wall of a groove formed in the cylinder. The distance along the plate extending between two bending lines of the bent end portions is less than the distance, in the wrap-around direction of the plate on the cylinder, between the two walls of the groove. A first bent end portion is held into the groove, the plate is wrapped around the plate cylinder with a second end portion held proximate to the groove, the plate is subjected to thermal lengthening until the second end portion is aligned with, and can be inserted into, the groove. The end portions are strategically bent to cause a spring locking action when both are thusly inserted into the groove.
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Bobst S.A.
Burr Edgar S.
Funk Stephen R.
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