Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core-retaining or severing means
Patent
1989-06-05
1990-08-07
Suchfield, George A.
Boring or penetrating the earth
With means movable relative to tool to receive, retain, or...
Core-retaining or severing means
175253, 175403, E21B 2500
Patent
active
049460005
ABSTRACT:
A soil sampler assembly for obtaining undistrubed soil samples having an outer corer member for coring the soil during sampling and including first and second ends and also having an inner sampling member having first and second ends with the inner sampling member being removably disposed within the outer corer member for receiving a soil sample and adapted to be removed from the outer corer means without disturbing the soil sample.
REFERENCES:
patent: 4605075 (1986-08-01), Radford et al.
patent: 4667754 (1987-05-01), Diedrich
ASTM D 1586-84, "Standard Method for Penetration Test and Split-Barrel Sampling of Soils", Annual Book of ASTM Standards, vol. 04.08, pp. 221-225.
ASTM D 1587-83, "Standard Practice for Thin-Walled Tube Sampling of Soils", Annual Book of ASTM Standards, vol. 04.08, pp. 226-228.
Zapico et al., "A Wireline Piston Core Barrel for Sampling Cohesionless Sand and Gravel Below the Water Table", Ground Water Monitoring Review, vol. 7, Summer 1987, pp. 74-72.
Abdul Abdul S.
Gibson Thomas L.
General Motors Corporation
Grove George A.
Melius Terry Lee
Suchfield George A.
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