Patents by Inventor Dominique de Savigny

Dominique de Savigny 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).

  • Self-opening closure for the discharge aperture of a crucible
    Patent number: 4149704
    Abstract: A self-opening closure for the discharge aperture of a crucible containing an aluminothermic mixture for welding, the closure comprising a pellet of a solid, e.g. asbestos, having good mechanical resistance and which is not degassed by heating, a thermal conductivity below 2 kcal/m.h. .degree. C. and a fusion temperature below 1600.degree. C. The discharge aperture is formed in a detachable socket, one end of the discharge aperture having a part with a greater diameter to receive the pellet which forms the closure.
    Type: Grant
    Filed: June 12, 1974
    Date of Patent: April 17, 1979
    Assignee: Acieries de Gennevilliers Anciens Establissements C. Delachaux
    Inventor: Dominique de Savigny