Patents Assigned to Arthur G. McKee & Co.
  • Patent number: 4026427
    Abstract: Apparatus for charging material into a shaft furnace, such as a blast furnace. The apparatus includes gas lock means for introducing charge material into the furnace while the furnace is under gas pressure, and distributor means below the gas lock means that causes charge material to be deposited and distributed in the upper portion or throat of the furnace either toward the outer periphery of the cross section in the furnace bounded by the interior surface of the furnace wall or toward the center of such cross section, or in both places, to provide an upper surface or stockline of charge material that is essentially level or of any other desired shape within substantial limits.
    Type: Grant
    Filed: July 2, 1976
    Date of Patent: May 31, 1977
    Assignee: Arthur G. McKee & Co.
    Inventors: Melvin J. Greaves, Frank V. Razgaitis