Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Patent
1985-07-31
1986-07-01
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...
404 2, 405 50, 405179, E02B 1100, E02D 3102, F16L 102
Patent
active
045976937
ABSTRACT:
Method and apparatus for inserting an elongated bendable drainage mat having a rectangular cross section below the surface of the ground in a vertical orientation in an advancing trench segment.
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Agricultural Engineering, vol. 43, No. 9, Sep. 1962, Fouss et al, pp. 512-513, FIG. 3.
Dempsey Barry J.
McQuary Charles R.
Corbin David H.
Kelley Thomas E.
Monsanto Company
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