Patents Assigned to Belgorosky Tekhnologichesky Institut, Stroitelnykh Material OV Imeni, I.A. Grishmanova
  • Ball-tube mill
    Patent number: 4949907
    Abstract: A ball-tube mill in which an inclined wall dividing the mill into coarse and fine grinding chambers occupied by grinding bodies has through holes for the passage of the material being ground provided in a portion of contact of the surface of the inclined wall with the grinding bodies present in the coarse grinding chamber. The through holes have a length much greater than their width with their elongated side running in parallel with an outer contour of the inclined wall.
    Type: Grant
    Filed: September 6, 1989
    Date of Patent: August 21, 1990
    Assignee: Belgorosky Tekhnologichesky Institut, Stroitelnykh Material OV Imeni, I.A. Grishmanova
    Inventors: Vasily S. Bogdanov, Nikolai S. Bogdanov, Nikolai D. Vorobiev, Alexandr D. Netesin