Highway expansion joint strip seal

Road structure – process – or apparatus – Pavement – Including joint means

Patent

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Details

404 65, E01C 1110

Patent

active

048969940

ABSTRACT:
An expansion joint strip seal for use between spaced apart ends of sections of a highway, bridge, or the like, the strip seal having an elongate C-shaped metallic rail embedded in the end of one of the sections, a reverse C-shaped elongate metallic rail embedded in the end of an adjacent section, and an elastomeric, elongate membrane having ear portions extending along its opposed edges, each of the ear portions being sealingly engaged by one of the metallic rails. The membrane, which is formed integrally in a single piece, has a central web portion, which is generally V-shaped in cross-section, and each ear portion has an enlarged end portion and a transitional portion between the enlarged end portion and the central web portion. The transitional portion has upper and lower horizontal surfaces which sealingly engage sealing surfaces of an entrance of the metallic rail which engages such ear portion, the entrance leading into an enlarged cavity of the rail which engages the end portion of the membrane. The end portion of the membrane is provided with spaced apart upper and lower voids to facilitate the compressing of the end portion to thereby facilitate its insertion into the cavity of the rail.

REFERENCES:
patent: 3888599 (1975-06-01), Reifsnyder
patent: 3994609 (1976-11-01), Puccio
patent: 4067660 (1978-01-01), Puccio
patent: 4119387 (1978-10-01), Brown
patent: 4148167 (1979-04-01), Puccio
patent: 4179226 (1979-12-01), Puccio
patent: 4245925 (1981-01-01), Pyle
patent: 4290713 (1981-09-01), Brown et al.
patent: 4295315 (1981-10-01), Lynn-Jones et al.
patent: 4362430 (1982-12-01), Ceintrey
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), Hartkom
patent: 4616480 (1986-10-01), Nicholas
patent: 4625485 (1986-12-01), Nicholas
patent: 4637085 (1987-01-01), Hartkom
patent: 4743139 (1988-05-01), Spavin
patent: 4746129 (1988-05-01), Puccio
patent: 4774795 (1988-10-01), Braun
Undated brochure of Structural Accesories Inc. Entitled "On-Flex.RTM.-elastomeric Expansion Joint Sealing Systems".
Brochure of Acme Highway Products Corporation, Copyright 1983, Entitled "Acme Strip Seal-Engineered Expansion Joints".
Brochure of The D.S. Brown Company, Dated 1987, and Entitled "Steelflex.RTM. Strip Seal Expansion Joint Systems".

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