Patents by Inventor Hans-Dieter Kehrmann

Hans-Dieter Kehrmann 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).

  • Process and device for wetting wood fibers with a binding fluid
    Patent number: 7588832
    Abstract: The technical problem of the invention is to improve the wetting of wood fibers with a binding agent. This technical problem is solved according to the present invention by a device for wetting wood fibers (10, 109) with a binding fluid, with a transport pipe (16, 105) for transporting the wood fibers (10, 109), with a fan (14, 106) for generating a transport air current, with a guide tube (17, 109) connected to the transport pipe (16, 105), with a fan (20, 110) for generating a conveying air current in the guide tube (17, 109), with means (27, 12) for supplying the binding fluid in the guide tube (17, 109). The invention also relates to a process for wetting wood fibers with a binding fluid.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: September 15, 2009
    Assignee: Fritz Egger GmbH & Co.
    Inventors: Walter Schiegl, Holger Reinecke, Michael Himmelreich, Hans-Dieter Kehrmann
  • Process and device for wetting wood fibers with a binding fluid
    Publication number: 20050064169
    Abstract: The technical problem of the invention is to improve the wetting of wood fibers with a binding agent. This technical problem is solved according to the present invention by a device for wetting wood fibers (10, 109) with a binding fluid, with a transport pipe (16, 105) for transporting the wood fibers (10, 109), with a fan (14, 106) for generating a transport air current, with a guide tube (17, 109) connected to the transport pipe (16, 105), with a fan (20, 110) for generating a conveying air current in the guide tube (17, 109), with means (27, 12) for supplying the binding fluid in the guide tube (17, 109). The invention also relates to a process for wetting wood fibers with a binding fluid.
    Type: Application
    Filed: November 4, 2002
    Publication date: March 24, 2005
    Inventors: Walter Schiegl, Holger Reinecke, Michael Himmelreich, Hans-Dieter Kehrmann