Expansion joint sealing structures
AssigneeThe D. S. Brown Company
InventorsDelmont D. Brown, Michael C. Rizza
Life of this patent
Estimating the term…
Abstract
Expansion and cast-in retainer dam for sealing pavement joints against intrusion of water, dirt, etc., into the joint space, said dams utilizing a pair of rolled steel frames on opposite sides of the joint and a continuous elastomer strip spanning the joint and interlocked along its opposite edges in slotted openings in the frames by a bead of triangular cross-section on each edge of the strip.
Claims7
An expansion joint between adjacent pavement sections with an elastomer seal comprising a first frame of rolled steel mounted on and extending along one side of said joint, an opposing second frame of rolled steel mounted on and extending along the other side of said joint, and an elastomer sealing strip spanning the joint and having its respective longitudinal edges seated in a respective frame, said frames and said elastomer strip being characterized by an elongated strip of steel roll-formed into elongated, integral top, bottom and rear walls and an integral front wall which faces said joint on one frame opposing the front wall, which faces said joint, of said second frame, said front wall of each frame comprising a downwardly and rearwardly sloping upper segment integral with said top wall and an upwardly projecting, lower segment integral with said bottom wall, each segment having a longitudinal edge spaced from the longitudinal edge of the other segment to form a longitudinal slot in each front face, and said elastomer sealing strip having respective, longitudinal, edge members seated in the respective longitudinal slots of said frames.
Dependencies are inferred from the claim text.