Patents Assigned to Mineracoes Brasileiras Reunidas S.A.
  • Process for transforming fines of iron or manganese into raw-material for sintering
    Patent number: 4273575
    Abstract: Ore fines whose particles are nearly all below 150 microns in size are converted into material suitable for use in forming sinter by the addition of agglomerants to these ore fines, the subsequent pelletizing of the mixture into spheres with a maximum size range of 6 mm, and the hardening of the spheres by curing them at temperatures below 300.degree. C.
    Type: Grant
    Filed: March 27, 1979
    Date of Patent: June 16, 1981
    Assignee: Mineracoes Brasileiras Reunidas S.A.
    Inventors: Bernardo C. Litzinger, Udo F. M. Schmeling