Flexographic printing machine, especially for flexographic...

Details Flexographic printing machine, especially for flexographic... Flexographic printing machine, especially for flexographic...

B - Operations, Transporting

41

F

101/81

B41F 5/04 (2006.01) B41F 5/24 (2006.01) B41F 17/00 (2006.01) B41F 31/30 (2006.01)

Patent

CA 1298137

87-218 ABSTRACT A flexographic printing machine, especially for flexographic web printing, has at least one printing unit. Such a printing unit comprises a printing cylinder or an endless printing belt (10) drawn on round a back-up cylinder (12) and a tension roller (14), an impression cylinder (24), an engraved roller (18) transferring the ink to the printing cylinder or to the printing belt, and an ink drier. A paper web (22) runs through all the printing units. Incorporated in each printing unit are a working engraved roller (18a), which can be uncoupled from the drive shaft (70) of the flexographic printing machine during the operation of the latter, and at least one stand-by engraved roller (18b) which can be connected automatically in exchange during the set-up time. (Figure 3)

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