Printing machine for printing and final varnishing of sheets

Details Printing machine for printing and final varnishing of sheets Printing machine for printing and final varnishing of sheets

1985-07-18

1987-05-12

McIntosh, John P.

Coating processes

Application to opposite sides of sheet, web, or strip

Nonuniform coating

118 46, 427211, 427288, 101229, B05D 100, B41F 2308

Patent

active

046649492

ABSTRACT:
In accordance with the invention a varnishing unit in a printing machine is provided which simultaneously varnishes and perfects printing sheets. The varnishing unit comprises a rotating impression cylinder in contact with a rotating varnishing cylinder to create a nip between the two cylinders through which sheets are individually drawn. In order to perfect each sheet at the nip, the impression cylinder has at least one plate or a blanket secured to its surface. Depending on whether a plate or a blanket is secured to the impression cylinder, an appropriate dampening and inking means is provided. Similarly, the varnishing cylinder is supplied a controlled quantity of varnish by a varnishing means.

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