Expansion joint

Details Expansion joint Expansion joint

1987-01-23

1988-05-10

Suchfield, George A.

Road structure, process, or apparatus

Pavement

Including joint means

404 69, E01C 1102

Patent

active

047431393

ABSTRACT:
An expansion joint for use between adjacent sections of a roadway comprises a resilient seal for extending along the gap between the sections and two seal retainers adapted to be secured to the respective roadway sections on opposite sides of the gap. Each retainer has a cavity that opens towards the other retainer and internal shoulders on opposite sides of the opening. The seal has a V-shaped centre web and enlarged ears along opposite margins that fit into the retainer cavities. Each ear has two shoulders that abut against the shoulders in the cavity and prevent the ear being withdrawn from the cavity. The respective shoulders are carried by parts of the seal that have convex abutting faces, biassing the shoulders on the ear against the shoulders of the cavity.

REFERENCES:
patent: 2577998 (1951-12-01), Carter
patent: 3850539 (1974-11-01), Bowman et al.
patent: 4041665 (1977-08-01), deMunck
patent: 4366590 (1983-01-01), Huber et al.
patent: 4537003 (1985-08-01), Huber et al.

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