Soil sampling device

Details Soil sampling device Soil sampling device

1974-07-10

1976-04-13

Brown, David H.

Boring or penetrating the earth

With means movable relative to tool below ground to stop...

Resiliently biased or composed of flexible material

175245, 175250, E21B 2500, E21B 920

Patent

active

039498190

ABSTRACT:
A device for taking soil samples from a hole drilled in the ground by another tool, and for drilling shallow holes. The device comprises a pneumatic impact mechanism rigidly connected with a soil sampling socket provided with an appliance for holding the soil sample in the socket when the latter is being extracted from the hole. This appliance is made in the form of an elastic inflatable element which, being inflated with compressed gas, covers completely the inner cross-sectional area of the socket, thus making it possible to take complete and high-quality samples irrespective of the type and condition of the soil.

REFERENCES:
patent: 2893691 (1959-07-01), Johnson
patent: 2915284 (1959-12-01), Ortloff
patent: 3480093 (1969-11-01), Clynch
patent: 3525409 (1970-08-01), Holzman
patent: 3621924 (1971-11-01), Lebourg
patent: 3640354 (1972-02-01), Rassieur
patent: 3837412 (1974-09-01), Driver

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