Patents by Inventor Jürgen Bergedieck

Jürgen Bergedieck 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 the injection molding of a plastic mass
    Patent number: 6344164
    Abstract: An injection unit for injecting plastic into a cavity of a mold includes an injecting device connectable between an extrusion die and the mold. The injecting device includes a mouth having a plurality of openings that is insertable into the mold so that the plastic flows through the plural holes into the mold. A drive is connectable to at least a portion of the injecting device for rotating the mouth portion and the plural opening of the injecting device about a central axis as the plastic flows through the holes into the mold.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: February 5, 2002
    Assignees: Mannesmann AG, Poranunt Company Ltd.
    Inventors: Glenn Tyler, Prajak Chiradejnant, Jürgen Bergedieck, Ansgar Jaeger