Locking split barrel sampler and soil sampling system

Details Locking split barrel sampler and soil sampling system Locking split barrel sampler and soil sampling system

2007-02-27

2007-02-27

Neuder, William (Department: 3672)

Boring or penetrating the earth

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

C175S320000, C285S373000, C285S419000

Reexamination Certificate

active

10683971

ABSTRACT:
Once the core barrel has been inserted into the ground to the appropriate depth for the required soil sample, it may be withdrawn by removing the entire drill string. Once withdrawn, the soil sample may be obtained by unscrewing the adapter coupling 12 and drive shoe 14 from the respective ends of the core barrel. One or both of the halves 110a, 110bmay then be axially slid with respect to one another until locking tabs 142, 152 of locking configurations 160 are offset and become released/disengaged from one another. This allows the halves to be separated so that the soil sample may be readily accessed.

REFERENCES:
patent: 5086854 (1992-02-01), Roussy
patent: 5360072 (1994-11-01), Lange
patent: 5417290 (1995-05-01), Barrow
patent: 5442096 (1995-08-01), Urano et al.
patent: 5462312 (1995-10-01), Carpenter et al.
patent: 5562169 (1996-10-01), Barrow

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