Undisturbed soil sampler

Details Undisturbed soil sampler Undisturbed soil sampler

Filed on

1989-06-05

Date issued

1990-08-07

Examiner

Suchfield, George A.

Patent Class

Boring or penetrating the earth

SubClass

With means movable relative to tool to receive, retain, or...

SubSubClass

Core-retaining or severing means

Other Related Categories

175253, 175403, E21B 2500

Type

Patent

Status

active

Patent number

049460005

Description

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.

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