Patents by Inventor Bart Diels

Bart Diels 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).

  • System for application of fuser oil to a fusing unit
    Patent number: 5987293
    Abstract: The fuser roller in a fixing unit of a (duplex) electrographic copying or printing apparatus is provided with an oil application system having an oil sump, two metallic rollers for delivery of fusing oil to a applicator roller contacting the fuser roller. The system is characterized by an oil transfer coefficient C which is not higher than 0.5 in order to avoid visible stepwise variation of fuser oil offset on the final copy. The system can further be provided with an oil compensation roller for further improvement of oil distribution on the copy and can be equipped with a cleaning system to remove picked-up impurities.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: November 16, 1999
    Assignee: Agfa-Gervaert N.V.
    Inventor: Bart Diels
  • Heat and pressure fusing device
    Patent number: 5974295
    Abstract: A heat and pressure fusing device (10) for fixing toner images to a receptor support, the device having a fixing (12) and a pressure (13) roller rotating in contact with each other, wherein the fixing roller has a diameter larger than 70 mm.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: October 26, 1999
    Assignee: Agfa-Gevaert
    Inventors: Marc De Niel, Serge Tavernier, Bart Diels, Luc Van Aken