Printing – Processes – Position or alignment
Patent
1988-08-29
1989-08-15
Eickholt, Eugene H.
Printing
Processes
Position or alignment
101 92, 101 9313, 101 9301, 101493, B41L 302
Patent
active
048564290
ABSTRACT:
A flexographic printing machine, especially for flexographic web printing, has at least one printing unit. Such a printing unit comprises an endless printing band drawn on round a back-up cylinder and a tension roller, an impression cylinder, an engraved roller transferring the ink to the printing cylinder or to the printing belt, and an ink drier. A paper web runs through all the printing units.
In each printing unit, the bearings of the impression cylinder are fastened rigidly to the machine frame, whereas the bearings of the back-up cylinder and those of the tension roller are arranged displaceably on it, a tension rod keeping a distance (a) between the back-up cylinder and the tension roller constant.
REFERENCES:
patent: 4538516 (1985-09-01), Aaron
Conprinta Ltd.
Eickholt Eugene H.
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