Patents Assigned to Eschweiler Bergwerksverein
  • Patent number: 4181502
    Abstract: A method of producing form coke, particularly metallurigical coke for a blast furnace, comprises, mixing at least two fine ground coal components, of which one is a non-caking component containing only little of volatile matter and comprises an oil coke, and the other is a caking bituminous coal, and at temperatures corresponding approximately to the softening point of the caking coal component. The mixture is carbonized and pressed to form a briquetted form coke, and the form coke is subsequently hardened.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: January 1, 1980
    Assignees: Firma Carl Still, Eschweiler Bergwerksverein
    Inventors: Heinrich Weber, Horst Dungs, Franz Beckmann