Patents by Inventor Andre Combry

Andre Combry 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 improving the surface condition and thickness regularity of a cast metal strip
    Patent number: 5253699
    Abstract: A process for improving the surface condition and thickness regularity of a thin metal strip cast on a rotating wheel by injection of a molten metal having a free surface forming a meniscus in contact with the wheel. The process comprises detecting undulations or variations in thickness of the strip of at least 10 .mu.m, forming a gas cushion above the free surface utilizing a porous body disposed facing the free surface, and adjusting the pressure of the gas cushion, the location of the porous body or both to control the variations or undulations.
    Type: Grant
    Filed: July 15, 1992
    Date of Patent: October 19, 1993
    Assignee: Pechiney Recherche
    Inventors: Philippe Solignac, Andre Combry