Backup protection for sealed structural expansion joints

Details Backup protection for sealed structural expansion joints Backup protection for sealed structural expansion joints

1992-02-11

1994-03-08

Neuder, William P.

Road structure, process, or apparatus

Pavement

Including joint means

404 68, E01C 1102

Patent

active

052922057

ABSTRACT:
A retrofit for diverting water leaking into an elevated expansion joint is formed by lowering an applicator that carries an adhesively treated water run-off arrangement into the joint and pressing the arrangement against inside walls of the joint with an expanding bladder under fluid pressure. When the adhesive cures, reducing the pressure collapses the bladder and allows withdrawal of the applicator.

REFERENCES:
patent: 580701 (1897-04-01), McMenamin
patent: 4699540 (1987-10-01), Gibbon et al.
patent: 4804292 (1989-02-01), DeLuca

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