Patents Assigned to Corporation Mexicano de Investigacion en Materiales, S.A. DE C.V.
  • Method of manufacturing a gas injection element
    Patent number: 5279032
    Abstract: A method for producing a weak resistance injection element for introducing ases into molten metals.The injection element includes an assembly of at least two high density refractory components. At least the upper high density refractory component is made by isostatic pressing of ceramic powders followed by a double heat treating process which are selected according to the liquid metal to be melted/refined in the metallurgical vessel where the injection element is going to operate.
    Type: Grant
    Filed: August 5, 1992
    Date of Patent: January 18, 1994
    Assignee: Corporation Mexicano de Investigacion en Materiales, S.A. DE C.V.
    Inventors: Gregorio Vargas-Gutierrez, Carlos Maroto-Cabrera, Andres Geronimo-Torres