Patents by Inventor Jean M. Thomas

Jean M. Thomas 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 installation for moulding a refractory lining of a container for liquid metal
    Patent number: 4589633
    Abstract: The installation comprises a shaping mould 1, 2 adapted to the geometry of the container C and made from a plurality of elements so as to permit a free expansion of the mould in the course of use, arrangements 3, 4, 5 for supporting and handling the mould 2, 3, devices 6, 14 for centering and fixing the mould relative to the container C so as to define between the inner wall of the container C and the mould a space for receiving refractory concrete, and devices 7, 8, 11 for supplying refractory concrete to this space.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: May 20, 1986
    Inventors: Jacques Gilson, Jean M. Thomas, Guy Prioretti, Pierre Henry
  • Revolving slide gate mechanism
    Patent number: 4202473
    Abstract: This invention provides a rotary slide gate mechanism for use on a pour vessel to control flow of molten metal through at least one outlet in the vessel shell, whereby refractory insert plates which are conveyed by said mechanism, may be moved in very close cooperating contact with a perforated refractory outlet plate for the pour vessel, so as to control the flow of molten metal therethrough.
    Type: Grant
    Filed: November 2, 1978
    Date of Patent: May 13, 1980
    Assignee: Vesuvius International Corporation
    Inventors: Stanislav Szadkowski, Daniel Amory, Jean M. Thomas