Patents Assigned to LaFarge Refractaires Monolithiques
  • Ladle for the preparation of metal provided with a refractory bottom lining and method for producing said refractory bottom lining
    Patent number: 5948349
    Abstract: The invention provides a ladle for the preparation of metal comprising a metal case (1) provided, on its inner surface, with a refractory wall lining (3) and a refractory bottom lining (4) with a taphole (5), characterized in that the surface of the refractory bottom lining (4) in contact with the metal in preparation is a concave surface having at every point a slope in the direction toward the taphole (5).The invention also provides a method for producing such a refractory bottom lining.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: September 7, 1999
    Assignees: Sollac, LaFarge Refractaires Monolithiques
    Inventors: Michel Beurotte, Pierre de Lafarge