Patents by Inventor Ralf Degner

Ralf Degner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Washing Device for a Cylinder in a Printing Press
    Publication number: 20090007810
    Abstract: A washing device for a cylinder in a printing press includes a washing cloth for removing contaminants and ink, etc. from the surface of the cylinder and an ultrasonic source directing sound energy onto the surface of the cylinder to assist a washing operation. A focusing device disposed in front of the ultrasonic source concentrates the sound energy on a substantially linear focus region on the surface of the cylinder, extending parallel to the axis of the cylinder.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 8, 2009
    Applicant: Heidelberger Druckmaschinen AG
    Inventors: Gerd Raasch, Ralf Degner
  • Method and device for producing drive belts with small rotation-angle error
    Patent number: 5913710
    Abstract: Method for producing drive belts with small rotation-angle error includes measuring the rotation-angle error of a given drive belt, and then physically altering part of the length of the given drive belt so that the rotation-angle error therein is substantially nullified.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: June 22, 1999
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Uwe Tessmann, Ralf Degner
  • Device and method to clean cylinder surfaces in rotary printing presses
    Patent number: 5836250
    Abstract: A device to clean an outer cylindrical surface of a cylinder in a rotary printing press includes a cleaning cloth. The cleaning cloth can be pressed against the cylinder surface and is wound off a supply roller. To increase the effectiveness of the cleaning action, the cleaning cloth is wetted with a cleaning fluid upstream of the cylinder. The cleaning fluid can be fed via a feed tube to an absorbent wetting pad to uniformly distribute the cleaning fluid over the width of the cleaning cloth.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: November 17, 1998
    Assignee: Heidelberger Druckmaschinen Aktiengesellschaft
    Inventors: Joachim Herrmann, Kurt Lotsch, Ralf Degner, Hendrik Stemmler