Patents Assigned to Construction Acton Ltee
  • Loosening of compacted material in a silo
    Patent number: 4657402
    Abstract: A vertical rotary post in a silo is formed with a transverse passage across and into which a stop sleeve is fixed. A chain, for loosening compacted material in the silo, extends freely through the passage. The chain has a ring, at one end, which extends into the passage but is stopped by the stop sleeve.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: April 14, 1987
    Assignee: Construction Acton Ltee
    Inventor: Bruno Dupuis