Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1979-03-08
1980-11-11
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
14 73, 428246, 428247, 428248, 428250, 428251, 428252, 428492, E01D 1912
Patent
active
042333563
ABSTRACT:
Concrete bridge decks are waterproofed by first applying a primer over sound, dry and clean concrete which forms the bridge deck. A laminated membrane is then installed over the primed concrete surface, the membrane being comprised of reinforced cured and uncured elastomers. The membrane is then heated to the point where the uncured elastomer flows and rolled prior to cooling. A tack coat is then applied over the membrane and a wearing surface, such as asphalt, or the like, applied.
The membrane employed is comprised of an upper stratum of a cured elastomer, a reinforcing fabric such as woven fiberglass in the center thereof and a lower stratum of a soft, uncured, form stable elastomer adapted to flow on the application of heat.
REFERENCES:
patent: 2499724 (1950-03-01), Compton
patent: 2668789 (1954-02-01), Phreaner
patent: 2718829 (1955-09-01), Seymour et al.
patent: 2980552 (1961-04-01), Harrison et al.
patent: 3627613 (1971-12-01), Stotkl
patent: 3661692 (1972-05-01), Berczi
patent: 3857751 (1974-12-01), Jacobs
patent: 4107369 (1978-08-01), Gardner
Bell James J.
Triram Corporation
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