Patents Assigned to Clan Contracting Limited
  • Ties for building structures
    Patent number: 5030052
    Abstract: A tie bolt comprises a shank provided thereon with equally pitched screw-threaded portions (16, 18) separated by a spacer portion (14) capable of sliding through a hole created by the leading screw-threaded portion (16) so as to permit rapid screw-engagement of the trailing screw-threaded portion with said hole, characterized in that said threaded portions are provided by separate components (16, 18) arranged at a predetermined distance apart.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: July 9, 1991
    Assignee: Clan Contracting Limited
    Inventors: Alan T. Anderson, Gordon W. Fraser