Moisture impervient barrier and method for making same

Details Moisture impervient barrier and method for making same Moisture impervient barrier and method for making same

1983-10-24

1986-01-21

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Impermeabilization

5216914, 405 38, 405129, E02D 312

Patent

active

045654689

ABSTRACT:
A device for providing a moisture impervient barrier, comprises a flexible base sheet member having a layer of bentonite resting on its upper surface. A top sheet member is positioned over the bentonite and is secured to the base member by stitches extending therebetween. The stitches form either a quilting pattern or in the alternative, they can form elongated corrugated compartments filled with bentonite which will swell and break the top sheet member when exposed to water.

REFERENCES:
patent: 3445322 (1969-05-01), Saiia et al.
patent: 3561177 (1971-02-01), Agro et al.
patent: 4070839 (1978-01-01), Clem
patent: 4103499 (1978-08-01), Clem
patent: 4467015 (1984-08-01), Clem

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