Patents Assigned to Eibach Oberflachentechnik GmbH
  • Process for coating a workpiece of steel with an anti-corrosive agent
    Patent number: 5575865
    Abstract: A process for coating a workpiece of steel with an anti-corrosive agent, comprising the steps of providing the surface of the workpiece with a chemo-mechanical layer, and chromatizing the chemo-mechanical layer, and characterized by the steps of providing the chromated layer with a further layer containing metallic components and organic binding agents, and curing the further layer by a heat treatment.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: November 19, 1996
    Assignees: ITW Befestigungssysteme GmbH, Eibach Oberflachentechnik GmbH, Rudolf Reinecke
    Inventors: Rainer Isenberg, Wolfgang Hoffmann, Rudolf Reinecke, Hans W. Herr