Patents Examined by Daniel Colilla
  • Damping unit for a printing press
    Patent number: 5649481
    Abstract: A damping unit for a printing press utilizes four rollers to provide damping medium from a source of the damping medium, to a printing plate cylinder. The various rollers in the damping unit are interrelated by appropriate diameter and circumferential speeds to effectively prevent the migration of printing ink back from the printing cylinder to the damping fluid source.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: July 22, 1997
    Assignee: Koenig & Bauer-Albert Aktiengesellschaft
    Inventors: Robert Muller, Helmut Puschnerat, Gunter Schmitt