Patents Assigned to Heidelberger Druckmascinen AG
  • Method for automatically exchanging a printing plate as well as corresponding rotary press
    Patent number: 6945173
    Abstract: A method for automatically exchanging a printing plate (500) in a print unit of a rotary press having a blanket cylinder (250) and a plate cylinder (260) carrying the printing plate includes disengaging the plate cylinder from the blanket cylinder; reducing the speed of the plate cylinder (v_P) to a rendezvous speed (v_R) which is greater than 0; automatically clamping the printing plate onto the plate cylinder at the rendezvous speed (v_R); and increasing the speed of the plate cylinder (v_P) to a printing speed (v_DG).
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: September 20, 2005
    Assignee: Heidelberger Druckmascinen AG
    Inventors: Markus Donges, Holger Faulhammer, Bernhard Wagensommer