Patents Represented by Law Firm Franklin, Rufus M.
  • Refractory ramming mix containing aluminum powder for metal melting furnaces
    Patent number: 4222782
    Abstract: A refractory ramming mix for forming linings for containers of molten metal contains graded refractory grains size to minimize porosity, optional sintering aids or fluxes, and aluminum powder in the amount of 1 to 15% by volume.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: September 16, 1980
    Assignee: Norton Company
    Inventors: Richard A. Alliegro, Ronald A. Stark