Patents by Inventor Dennis J. Dalpe

Dennis J. Dalpe 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).

  • Patent number: 5631029
    Abstract: An apparatus and a method for forming compacts having reduced elephant's feet effect is disclosed. The apparatus includes a press for dry bag isostatic pressing, the press body having a cavity with at least one open end formed therein, an elastic mould, operatively positioned inside the cavity for compacting metal powder, means, operatively connected to the mould for expanding the mould and compacting the metal powder, and at least one press member having a base section substantially normal to the cavity and an insert section extending from base section into the cavity, the insert section being formed in the shape of any one of a plurality of geometric shapes.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: May 20, 1997
    Assignee: General Electric Company
    Inventors: Bernard P. Bewlay, Dennis J. Dalpe
  • Patent number: 5490969
    Abstract: Methods for forming compacts having reduced elephant's feet effect are disclosed. The apparatus utilized includes a press for dry bag isostatic pressing, the press body having a cavity with at least one open end formed therein, an elastic mould, operatively positioned inside the cavity for compacting metal powder, means, operatively connected to the mould for expanding the mould and compacting the metal powder, and at least one press member having a base section substantially normal to the cavity and an insert section extending from base section into the cavity, the insert section being formed in the shape of any one of a plurality of geometric shapes.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: February 13, 1996
    Assignee: General Electric Company
    Inventors: Bernard P. Bewlay, Dennis J. Dalpe
  • Patent number: 5236021
    Abstract: A powder filling apparatus comprised of a frame means having a cylindrical channel extending therethrough. A cylindrical funnel means is rotatably mounted in the channel, the funnel means having a bore extending therethrough. The bore has an axial section for receiving a flow of powder and an angled section at a preselected angle from the axis for directing the powder flow from the funnel means. A drive means is operatively connected for rotating the funnel means.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: August 17, 1993
    Assignee: General Electric Company
    Inventors: Bernard P. Bewlay, Dennis J. Dalpe, Peter G. Frischmann