Patents by Inventor Francis Lecleire

Francis Lecleire 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 for casting molten metal in a conduit comprising at least two refractory parts
    Patent number: 6016940
    Abstract: A process in which, during the flow of molten metal in a conduit an inert gas and oil are injected at the position of the joint plane between two refractory parts in such a manner as to prevent the introduction of gases from the atmosphere into this conduit at the position of the joint plane. Apparatus. Advantages: plugging of leaks at the position of the joint plane, lower inert gas consumption absence of degradation of the quality of the molten metal by the inert gas.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: January 25, 2000
    Assignee: Sollac
    Inventors: Michel Florent, Francis Lecleire