Patents by Inventor Walter von der Ohe

Walter von der Ohe 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).

  • Injection die casting apparatus, especially for making molded parts of thermoplast-structural foam
    Patent number: 4090836
    Abstract: An injection die casting apparatus, especially for making molded articles especially of thermoplast-structural foam, with at least two closing units arranged adjacent to each other and provided with molds and mold chucking plates, and also equipped with an injection unit comprising an extruder, a pertaining charging hopper, a deflecting head and a hydraulic accumulator. The upper surfaces of the closing units have centrally arranged therein injection openings, and the injection unit is pivotable about a vertical axis and tiltable about a horizontal axis.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: May 23, 1978
    Assignee: Fried. KRUPP Gesellschaft mit beschrankter Haftung
    Inventors: Walter von der Ohe, Hans-Jurgen Lange