Road structure – process – or apparatus – Pavement – Including joint means
Patent
1975-12-18
1977-02-15
Byers, Jr., Nile C.
Road structure, process, or apparatus
Pavement
Including joint means
52396, 14 165, E01C 1102
Patent
active
040079945
ABSTRACT:
An expansion joint with an elastomer seal having longitudinal frames made from aluminum extrusions extending longitudinally of an expansion joint for pavements and bridge decks. The longitudinal frames are mounted by anchor bolts in the pavement or bridge deck concrete, which pavement or bridge deck has a concrete or asphaltic wear surface. The elastomer seal is fixedly held in the longitudinal frames by elongated tongue and groove means, and the joint space is spanned by at least one shallow, V-shaped elastomer wall which deforms downwardly as the joint width becomes narrower. The longitudinal frames are held in position in steps in the concrete adjacent to the joint by the anchor bolts, at least some of which have threaded ends projecting upwardly through the bottom wall into an upwardly facing longitudinal channel. The joint-remote outer face of the end wall of the frames has a slight transverse taper from its top edge to its bottom edge to facilitate release of the frames from abutting pavement when removing the frames from the steps.
REFERENCES:
patent: 3165986 (1965-01-01), Hirst
patent: 3316574 (1967-05-01), Pare
patent: 3570378 (1971-03-01), Honegger
patent: 3717969 (1973-02-01), Sequaris
patent: 3850539 (1974-11-01), Bowman
patent: 3854835 (1974-12-01), Stog
patent: 3880539 (1975-04-01), Brown
patent: 3880540 (1975-04-01), Rizza
patent: 3904303 (1975-09-01), Becht
Byers Jr. Nile C.
The D. S. Brown Company
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