Method and apparatus for installing highway drainage mat

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...

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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.

REFERENCES:
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patent: 4028902 (1977-06-01), Courson et al.
patent: 4043135 (1977-08-01), Klaus et al.
patent: 4397241 (1983-08-01), Newman
patent: 4440088 (1984-04-01), Wallace et al.
Agricultural Engineering, vol. 43, No. 9, Sep. 1962, Fouss et al, pp. 512-513, FIG. 3.

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