Patents by Inventor Andre P. Daussan

Andre P. Daussan 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).

  • Installation for teeming liquid metal and process for its use
    Patent number: 4909421
    Abstract: A metallurgical receptacle (1) for a liquid metal (2), provided with a casting orifice (6) and comprising under this orifice (6) a principal device (8) for closing and opening the orifice (6). An auxiliary device (12) for preheating, closing and unplugging the casting orifice (6), is disposed above the orifice (6), and comprises an elongated element (13), adapted to be partially immersed in the liquid metal (2), and formed of a refractory and/or insulating refractory material (34) sinterable in contact with the liquid metal (2).
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: March 20, 1990
    Assignee: Daussan et Compagnie
    Inventors: Jean C. Daussan, Gerard Daussan, Andre P. Daussan