Device for sequential overturning of sheets in multi-colour...

Details Device for sequential overturning of sheets in multi-colour... Device for sequential overturning of sheets in multi-colour...

B - Operations, Transporting

41

F

201/108, 101/40

B41F 1/20 (2006.01) B41F 21/10 (2006.01)

Patent

CA 1072815

ABSTRACT OF THE DISCLOSURE: This invention relates to the art of overturning the sheets subsequently fed and printed on offset working printing machines, namely for executing the socalled "white and perfect- ing" printing for obtaining, in a multi-colour printing machines including a plurality of printing units arranged and operating in series (independently of the division of these units into either individual or multiple structural groups) the impression or printing of the sheet on both faces in one or more colours, the sum of the colours printable on the two faces obviously not exceeding the number of the printing units of the machine.

257650

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