Patents Assigned to South Australian Co-Operative Bulk Handling Limited
  • Reducing hoop stress in silos
    Patent number: 5009046
    Abstract: Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures in the silo base allowing entry of granular material into the grain tube and a restrictor below the apertures restricting the material flow so that when the silo cell first discharges the material, all of that discharge is through the upper ends of the tube, downwardly through the tube and outwardly from the silo cell through valve means beyond the lower end of the tube and restrictor.
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: April 23, 1991
    Assignee: South Australian Co-Operative Bulk Handling Limited
    Inventor: Bruce L. Johinke
  • Reducing hoop stress in silos
    Patent number: 4790111
    Abstract: Means for reducing hoop stress in a silo cell comprising a grain tube located in the lower part of the silo cell, the wall of the grain tube having apertures at the silo base allowing entry of granular material into the grain tube, and a restrictor below the apertures restricting the material flow so that when the silo cell first discharges the material, all of that discharge is through the upper ends of the tube, downwardly through the tube and outwardly from the silo cell through valve means beyond the lower end of the tube and restrictor.
    Type: Grant
    Filed: November 6, 1987
    Date of Patent: December 13, 1988
    Assignee: South Australian Co-Operative Bulk Handling Limited
    Inventor: Bruce L. Johinke