Chemical attack-resistant, liquid-tight lining

Details Chemical attack-resistant, liquid-tight lining Chemical attack-resistant, liquid-tight lining

1987-06-04

1989-01-24

Lesmes, George F.

Firearms

428446, 428450, 174 48, 174 96, 220 1B, 220 3, 220 5A, 220453, 5216911, 5216914, 521697, 52173R, 52221, 52268, B32B 904, B65D 9004, E04B 548

Patent

active

048001287

ABSTRACT:
A liquid-tight lining which is resistant to chemical attack for catch reservoirs, containers or the like of concrete. The lining includes a continuous liquid-tight impervious layer provided above the surface of the concrete. To make possible a simple and safe and repeatable testing of the tightness of the lining, a porous intermediate layer is provided between the concrete and the impervious layer. At least one sensor cable having at least two conductors is placed in the intermediate layer in such a pattern that any location of the intermediate layer is not more than a certain maximum distance away from the cable. The sensor cable is connectible to an electrical monitoring unit.

REFERENCES:
patent: 4352601 (1982-10-01), Valiga et al.
patent: 4584802 (1986-04-01), Casselman et al.
patent: 4651893 (1987-03-01), Mooney

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