Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1987-09-14
1988-05-24
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277207R, 404 65, F16J 1510, E01C 1110
Patent
active
047461292
ABSTRACT:
An expansion joint strip seal for use in roadways, bridges, buildings and the like to seal across a gap defined by a pair of parallel, elongated edge or frame members, which have generally C-shaped cavities opening towards the gap for purposes of supporting opposite lengthwise extending edges of the strip seal. The strip seal is formed of a suitable resiliently deformable material and defined by a web portion sized to span the gap and a pair of mounting bead portions joined to opposite edges of the web portion and adapted for insertion within the cavities of the edge members. Each mounting bead portion includes a solid or non-apertured main mounting portion, which is joined to the web portion and provided with a height essentially corresponding to the height of the cavity and a width less than the width of the cavity; and a tongue portion cantilever supported by the main mounting portion to project in a direction away from the web portion. The tongue portion is resiliently deformed, as an incident to insertion of the mounting bead portion into its cavity for purposes of establishing a bias or lever action on the main mounting portion tending to prevent subsequent disassembly of the seal.
REFERENCES:
patent: 3888599 (1975-06-01), Reifsnyder
patent: 3994609 (1976-11-01), Puccio
patent: 4067660 (1978-01-01), Puccio
patent: 4366590 (1983-01-01), Huber et al.
patent: 4367976 (1983-01-01), Bowman
patent: 4447172 (1984-05-01), Galbreath
patent: 4488324 (1984-12-01), Hartkorn
Structural Accessories, Model Nos. 40-SF and 40-SD (date between 1979 and 1981).
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