Patents Assigned to Walter Hillebrand GmbH & CO, KG
  • Installation and method for multilayered immersion coating
    Patent number: 6565722
    Abstract: A method for multilayered coating, whereby hurdles for the item that is to be treated are guided for galvanic dip coating (2) through in a separate circuit. Downstream from the tank, the hurdles are changed over (12) and the item that is to be treated is guided in another hurdle for electrophoretic coating through a tank (4) in another separate circuit.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: May 20, 2003
    Assignees: Walter Hillebrand GmbH & Co. KG, Nutro Maschinen-und Anlagenbau GmbH & Co. KG
    Inventors: Ernst-Walter Hillebrand, Gerhard Brendel
  • Device for surface treatment by immersion
    Patent number: 6391180
    Abstract: In a device for surface treatment, in particular for electrochemical coating followed by electrophoretic coating, the material to be treated is moved through coating vessels in one or more planes. This is carried out using stepped cage conveyors which are provided, at different heights, with bearing arms for trays on which the material to be treated is located. Horizontal electrodes, past which the trays are moved, project between the bearing arms of each plane or into the space between each tray.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: May 21, 2002
    Assignees: Nutro Maschinen-und Anlagenbau GmbH & CO KG, Walter Hillebrand GmbH & CO, KG
    Inventors: Gerhard Brendel, Rudolf Fuchs, Ernst-Walter Hillebrand