Patents Assigned to Clifford Edwards Limited
  • Fire extinguishers
    Patent number: 4328867
    Abstract: A fire extinguisher of the type comprising a burstable container adapted to provide a high mass flow rate of discharged extinguishant is provided with venting means so adapted to direct the flow of extinguishant from the container that the reaction forces upon the container during discharge of extinguishant compensate one another to minimize the resultant force upon the container. The venting means comprise at least one diaphragm burstable by a detonator device housed in a frangible well which extends into the container.
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: May 11, 1982
    Assignee: Clifford Edwards Limited
    Inventor: Richard C. Heath