Patents Assigned to Gray Tool
  • Patent number: 4477085
    Abstract: A fire resistant connection (16) having heat transfer means (46) cooperatively associated therewith and that embodies a U-like sealing means (44). The fire resistant connection (16) with heat transfer means (46) is operative for purposes of effectuating the establishment of a fire resistant seal between mating surfaces (22, 18). The heat transfer means (46) includes a first heat transfer element (58), and a second heat transfer element (60). The subject fire resistant connection (16) includes the aforementioned U-like sealing means (44) and the aforereference mating surfaces (22, 18).
    Type: Grant
    Filed: February 24, 1983
    Date of Patent: October 16, 1984
    Assignee: Gray Tool
    Inventors: Charles D. Bridges, Michael A. Karr, Jr., Bert L. Morrison