Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent
1986-07-14
1988-11-22
Corbin, David H.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
By means advancing along terrain and guiding pipe or cable...
405 38, 405179, 405270, E02B 316, F16L 102
Patent
active
047862084
ABSTRACT:
Fluid leakage through soil in a region thereof is controlled by sequentially passing over the region to dig a plurality of parallel, laterally displaced grooves in the surface. Soil dug from each groove is temporarily stored, and a strip of sheet material is laid over a groove as it is created during each pass, the width of the strip being greater than the width of the groove. Thereafter, the temporarily stored soil is deposited on the strip such that it is covered with soil except along one edge, the other edge of the strip overlying the uncovered edge of an adjacent strip laid down during a previous pass over the region. As a consequence, a first layer of overlapping strips of sheet material covered with soil is installed over the region.
REFERENCES:
patent: 1787902 (1931-01-01), Herfort
patent: 1803838 (1931-05-01), Carpenter
patent: 3309875 (1967-03-01), Niederwemmer
patent: 4098089 (1978-07-01), Zaslavsky
patent: 4154549 (1979-05-01), Zaslavsky
patent: 4636112 (1987-01-01), Raviv
Corbin David H.
Solmat Systems Ltd.
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