Sealing member

Details Sealing member Sealing member

1975-07-21

1976-06-01

Smith, Robert I.

Road structure, process, or apparatus

Pavement

Including joint means

277205, 277207R, E04C 1110

Patent

active

039604624

ABSTRACT:
A resilient sealing member for use in an expansion joint comprising a tubular body having an internal truss structure which includes a pair of intersecting crossbars extending between the sidewalls and bottom wall of the tubular body. The sealing member, being of the low pressure type, further includes a vertically disposed compression bar extending between the midportion of the top wall of the member and the intersection of the crossbars to exert a downward pressure on the crossbars during compression of the member to thus reduce some of the sidewall pressures in a manner resulting in a substantially level pressure profile across the vertical dimension of the sidewalls.

REFERENCES:
patent: 3595141 (1971-07-01), Boney
patent: 3608442 (1971-09-01), Berchou et al.
patent: 3645176 (1972-02-01), Berchou et al.
patent: 3732788 (1973-05-01), Brown
patent: 3762826 (1973-10-01), Bowman
patent: 3881834 (1975-05-01), Bowman

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