Printing machine

Details Printing machine Printing machine

B - Operations, Transporting

41

F

B41F 33/00 (2006.01) B41F 13/42 (2006.01) B41F 22/00 (2006.01) G03B 17/56 (2006.01)

Patent

CA 2682437

A printing machine for multi-color printing, including at least one camera (6) for monitoring a conformity of different ink applications. The camera (7) in arranged in the printing machine (1) via a holder (7), and a clear cover (9) for an optic (10) of the camera provides protection from contamination or ink splatter. The cover (9) is embodied as a strip (11) of clear film, which can be moved along a direction of extension, with a width of the strip being at least equivalent to a width of at least one of the optic (10) or a measuring field of the camera (6) detected therewith. A portion (12) of the strip (11) is arranged in a radiation path in front of the optic (10) of the camera (6), and the portion (12) of the strip (11) located in the radiation path in front of the optic is moved constantly or from time to time longitudinally in reference to the direction of extension and in reference to the camera (6), so that a used portion of the strip (11) can be brought out of the radiation path of the optic and an unused portion of the strip can be brought into the radiation path of the optic.

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