Bernd Herrmann

Transfer cylinder with electromotive drive unit

Printing press with rectilinear substrate transport and turning devices therefor

Rubber-blanket cylinder engagement and disengagement device

Cleaning device for image carrier surface of electrographic printer with nozzle to supply cleaning medium under pressure and suction nozzle to remove medium and contaminants

Druckmaschine mit geradliniger Substratführung und Wendeeinrichtungen dafür

Sheet fed printing machine

Printer unit has plate cylinder with two cylinder sections and one associated illustrating unit where only first or second print image is transferred by transfer cylinder during printing operation

Print head for plotting an electrostatic print pattern on an image carrier for use with toner type printing has contact elements made with a wearing material so that a self-cleaning process occurs for each printing action

Printing cylinder preparation has an engraving surface with pixels with a cylinder surface coated with an electrically conductive layer covered by a dielectric layer

Cleaning contact elements in electrographic write head by applying high frequency alternating voltage