Patents Assigned to Alcan Booth Industries Limited
  • Window hinges
    Patent number: 3979791
    Abstract: A hinge for windows is provided which enables windows to be pivoted through 180.degree.. The hinge has a common pivot member associated with a friction brake the frictional resistance of which increases after a predetermined initial hinging movement to render operation of the window more manageable.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: September 14, 1976
    Assignee: Alcan Booth Industries Limited
    Inventor: Robert Frederick Dura Collin