Steffen Derhardt

Rotary offset printer with means for offset printing sheets and passing them through the lacquer stage without them being lacquered, which comprise raising and lowering bearings linked by a coupling rod

Processing device for print substrate has two cylinders, multipoint bearing for stoppage and engaging of second cylinder on and from first cylinder whereby bearing element is arranged further to support element coaxial with roller

Schön- und Widerdruckmaschine für Bogen ohne Wendung

Rotary printing machine having a first gearwheel and a second gearwheel with a secured rotary angle position when uncoupled from the first gearwheel

Flexographic plate for printing or painting of sheets, and for use in machine, has blast air opening arranged in lubricant hazardous area, where blast air opening is arranged between two raised supporting webs for supporting sheet

PRINTING METHOD AND PERFECTING PRINTING PRESS FOR RECTO AND VERSO PRINTING ON SHEETS

Perfecting press for sheet without turning

SHEET-FED PERFECTING PRINTING PRESS WITHOUT SHEET REVERSAL

Method of operating a sheet-fed rotary printing machine, and sheet-fed rotary printing machine

Tensioning arrangement for a rotational printer ensures that teeth and grooves of the gear wheels are correctly aligned in both coupled and uncoupled states, so that secure teeth surface contact is maintained