Measurement device in a rotary printing machine

Details Measurement device in a rotary printing machine Measurement device in a rotary printing machine

1990-09-14

1992-03-17

Fisher, J. Reed

Printing

Multicolor

Rotary machines

101DIG45, B41F 506, B41F 1300

Patent

active

050958186

ABSTRACT:
A device for measuring a printing control strip printed on sheet or web material by optical devices located within a printing machine having a plurality of printing units disposed one behind the other, including a measuring cylinder located behind a last one of the printing units and having an outer cylindrical surface portion whereover printed sheet or web material is looped, the optical devices being disposed within the measuring cylinder below a location at which a printing control strip on the material is positionable, as the material is looped over the outer cylindrical surface portion of the measuring cylinder, for measuring the printing control strip.

REFERENCES:
patent: 4003660 (1977-01-01), Christie, Jr. et al.

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