DEVICE TO DENSIFY SOIL IN A DRAIN TRENCH Russian patent published in 1995 - IPC

Abstract RU 2026934 C1

FIELD: civil engineering. SUBSTANCE: drain maker is followed by two vertical rods arranged in succession. The first rod has loosening cutter members fixed on it, and the second one has screw-like densifying members. The two rods are installed on a common tie rod. EFFECT: densified soil in a drain trench. 1 dwg

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RU 2 026 934 C1

Authors

Kapustjan A.S.

Bredikhin N.N.

Sheremet S.V.

Dates

1995-01-20—Published

1991-06-04—Filed