Patents Assigned to Thormack Sealants Limited
  • Method of sealing bridge deck joints
    Patent number: 4324504
    Abstract: A method of sealing bridge deck joints on a highway in which the deck members have the road surfacing material removed therefrom and a flexible composition of chips of aggregate in a rubberized binder, such as bitumen, pitch, pitch-tar or tar is inserted in the removed area as a resilient sealing material.
    Type: Grant
    Filed: February 12, 1980
    Date of Patent: April 13, 1982
    Assignee: Thormack Sealants Limited
    Inventors: Richard L. Cottingham, David J. Thorpe, Eric Bickerstaff