Probe for use in geological surveys

Boring or penetrating the earth – With means movable relative to tool to receive – retain – or... – Core bit closure relative upwardly movable by core

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Details

175 20, 175 58, 175404, E21B 920

Patent

active

041301706

ABSTRACT:
A probe construction for use in geological surveys designed to extract earth samples at a predetermined depth. The probe consists essentially of an elongated metal body with a hollow core, the longitudinal axis of the core being at approximately 5.degree. to the longitudinal axis of the metal body. A side outlet is provided along substantially the length of the metal body. The probe is adapted for engagement with the drive rod of a hammer mill or the like machine.

REFERENCES:
patent: 368344 (1887-08-01), Layer
patent: 1207119 (1916-12-01), Young
patent: 1867024 (1932-07-01), Oliver
patent: 1882906 (1932-10-01), Renfer
patent: 2288210 (1942-06-01), Schlumberger
patent: 2880969 (1959-04-01), Williams
patent: 3324958 (1967-06-01), Clark
patent: 3360058 (1967-12-01), Von Ruden
patent: 3605920 (1971-09-01), Woodward

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