Expansion joint and seal containing intersections

Details Expansion joint and seal containing intersections Expansion joint and seal containing intersections

1998-03-25

2000-01-11

Lisehora, James A.

Road structure, process, or apparatus

Pavement

Including joint means

404 65, 404 68, E01C 1104

Patent

active

060128690

ABSTRACT:
An expansion joint and seal for an expansion joint for use in structures where the joint has an intersection uses a seal with a solid thick keel extending along a lower edge of a central portion in an area of the intersection. The keel commences in a transition area between a conventional seal and the intersection. The seal increases in depth as the intersection is approached until it reaches a maximum depth at a mid point of the intersection. The keel minimizes distortion from racking during expansion or contraction of the joint. The seal is shaped to enable debris to be easily removed.

REFERENCES:
patent: 3118523 (1964-01-01), Girot
patent: 3426658 (1969-02-01), Fredrickson
patent: 3981601 (1976-09-01), Arai
patent: 4111583 (1978-09-01), Brady et al.
patent: 4245925 (1981-01-01), Pyle
patent: 4374442 (1983-02-01), Hein et al.
patent: 4774795 (1988-10-01), Braun

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