Patents by Inventor Georg Coufal

Georg Coufal 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).

  • Patent number: 7454162
    Abstract: Changes of properties (for example, dampness, sliding characteristic, gloss) of a printing substrate web caused by a printing of a printing substrate web are corrected by a multifunction device that is arranged at an output of the printing device. In the multifunction device, arranged in succession in the transport direction of the printing substrate web are devices for buffering, for smoothing, for moistening, for cooling, for lubrication and for discharge of the printing substrate web. The devices are executed and adapted to one another such that they can be optionally deactivated by the uses without affecting the functions of the remaining devices.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: November 18, 2008
    Assignee: Oce Printing Systems GmbH
    Inventors: Peter Segerer, Robert Lang, Roland Wolf, Franz Wittmann, Said Youzbachi, Guenther Eder, Hans-Georg Coufal
  • Patent number: 7376383
    Abstract: In an electrophotographic printer or copier, toner images of images to be printed onto a printing substrate are generated and fixed, causing sliding characteristics to be worsened. In order to remedy this problem, a moistening device is provided that applies on the printing substrate a moistening agent made from a moistening fluid and a lubricant dissolved therein. Two problems are thus solved: the printing substrate is moistened and simultaneously lubricated.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: May 20, 2008
    Assignee: Oce Printing Systems GmbH
    Inventors: Peter Segerer, Robert Lang, Roland Wolf, Franz Wittmann, Said Youzbachi, Hans-Georg Coufal, Günther Eder
  • Publication number: 20070177917
    Abstract: In an electrophotographic printer or copier, toner images of images to be printed onto a printing substrate are generated and fixed, causing sliding characteristics to be worsened. In order to remedy this problem, a moistening device is provided that applies on the printing substrate a moistening agent made from a moistening fluid and a lubricant dissolved therein. Two problems are thus solved: the printing substrate is moistened and simultaneously lubricated.
    Type: Application
    Filed: April 11, 2007
    Publication date: August 2, 2007
    Inventors: Peter Segerer, Robert Lang, Roland Wolf, Franz Wittmann, Said Youzbachi, Hans-Georg Coufal, Gunther Eder
  • Patent number: 7248828
    Abstract: In an electrophotographic printer or copier, toner images of images to be printed onto a printing substrate are generated and fixed, causing sliding characteristics to be worsened. In order to remedy this problem, a moistening device is provided that applies on the printing substrate a moistening agent made from a moistening fluid and a lubricant dissolved therein. Two problems are thus solved: the printing substrate is moistened and simultaneously lubricated.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: July 24, 2007
    Assignee: Oce Printing Systems GmbH
    Inventors: Peter Segerer, Robert Lang, Roland Wolf, Franz Wittmann, Said Youzbachi, Hans-Georg Coufal, Günther Eder
  • Publication number: 20050158090
    Abstract: In an electrophotographic printer or copier, toner images of images to be printed onto a printing substrate are generated and fixed, causing sliding characteristics to be worsened. In order to remedy this problem, a moistening device is provided that applies on the printing substrate a moistening agent made from a moistening fluid and a lubricant dissolved therein. Two problems are thus solved: the printing substrate is moistened and simultaneously lubricated.
    Type: Application
    Filed: December 8, 2004
    Publication date: July 21, 2005
    Inventors: Peter Segerer, Robert Lang, Roland Wolf, Franz Wittmann, Said Youzbachi, Hans-Georg Coufal, Gunther Eder
  • Publication number: 20050156005
    Abstract: In an electrographic printing device, a printed printing substrate web is supplied to post-processing machines with irregular speed. In order to achieve that the post-processing machines receive the printing substrate web with a continuous speed, a reserve buffer is introduced in which based on sensor control, a loop of the printing substrate web is formed such that, in each operating mode of the printing device, the loop fluctuates around a desired position, with the result that sufficient printing substrate web is always contained in the reserve buffer.
    Type: Application
    Filed: December 8, 2004
    Publication date: July 21, 2005
    Inventor: Hans-Georg Coufal
  • Publication number: 20050158099
    Abstract: Changes of properties (for example, dampness, sliding characteristic, gloss) of a printing substrate web caused by a printing of a printing substrate web are corrected by a multifunction device that is arranged at an output of the printing device. In the multifunction device, arranged in succession in the transport direction of the printing substrate web are devices for buffering, for smoothing, for moistening, for cooling, for lubrication and for discharge of the printing substrate web. The devices are executed and adapted to one another such that they can be optionally deactivated by the uses without affecting the functions of the remaining devices.
    Type: Application
    Filed: December 8, 2004
    Publication date: July 21, 2005
    Inventors: Peter Segerer, Robert Lang, Roland Wolf, Franz Wittmann, Said Youzbachi, Guenther Eder, Hans-Georg Coufal
  • Patent number: 6164848
    Abstract: A process is described for printing a print image on a continuous support material relative to a pre-set position in an electrophotographic printer in which a stepper motor controlled by an electric impulse sequence drives a transport device.
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: December 26, 2000
    Assignee: Oce Printing Systems GmbH
    Inventor: Georg Coufal