Road structure – process – or apparatus – Pavement – Including joint means
Patent
1980-06-30
1983-01-11
Byers, Jr., Nile C.
Road structure, process, or apparatus
Pavement
Including joint means
404 64, E01C 1104
Patent
active
043679765
ABSTRACT:
An expansion joint seal assembly for sealing a roadway gap, which includes a pair of spaced apart elongated anchoring channel extrusion members to be secured in structural slab portions oppositely bounding the gap, and an elongated resilient sealing strip member for sealing the gap between the anchoring channel members. The anchoring channel members have an anchoring cavity opening toward the gap shaped to define a constricted entrance throat portion opening to the gap and communicating with a transversely enlarged, inner retaining chamber portion, and the strip member has a diaphragm web portion providing distortable folds and anchoring bead formations each forming substantially a hollow triangle in cross-section providing a back wall portion and a pair of forwardly converging walls which form an apex located below a horizontal reference plane extending through the vertical midpoints of back wall portion and provide a shallow concave trough immediately subjacent each apex.
REFERENCES:
patent: 3994609 (1976-11-01), Puccio
patent: 4067660 (1978-01-01), Puccio
patent: 4179226 (1979-12-01), Puccio
patent: 4221502 (1980-09-01), Tanikawa
Bowman Construction Supply, Inc.
Byers Jr. Nile C.
Calderon Roberto L.
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