Patents Assigned to Ugine, Aciers de Chatillon & Gueugnon
  • Process for coating a ferritic stainless steel strip with aluminum by hot quenching
    Patent number: 5358744
    Abstract: A process for coating a steel strip, particularly ferritic stainless steel, with aluminum by hot quenching, in which the strip is preheated to a temperature less than 500.degree. C. in a first non-oxidizing atmosphere containing a quantity of oxygen less than 3%, the strip is then heated to a temperature less than 950.degree. C. in a second non-oxidizing atmosphere, the strip is then conveyed to an atmosphere (3, 4) which is non-reactive at the coating temperature, and, finally, the strip is quenched in a coating bath.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: October 25, 1994
    Assignees: Sollac, Ugine, Aciers de Chatillon & Gueugnon
    Inventors: Eric Buscarlet, Charles G. Brun, Danielle Quantin, Jean-Paul Hennechart, Marc Mantel, Patrice de Veyrac, Bernard Baroux