Cryogenic sediment sampler

Details Cryogenic sediment sampler Cryogenic sediment sampler

1976-05-18

1977-08-02

Yasich, Daniel M.

Measuring and testing

Measuring vessel

62293, 73421R, F25D 314, G01N 108

Patent

active

040388751

ABSTRACT:
A stream bed sediment sampler easily obtains a nearly undisturbed, stratified sample containing stream gravel, intergravel water, and organic material. The temperature of a probe inserted into the sediment is quickly reduced to a point where the material immediately surrounding the probe freezes and clings to the probe upon its removal from the stream bed. The equipment is inexpensive, easy to assemble, and portable.

REFERENCES:
patent: 2305367 (1942-12-01), Webb
patent: 2672032 (1954-03-01), Towse
patent: 2779195 (1957-01-01), Simon
patent: 3347101 (1967-10-01), Kennedy
patent: 3358648 (1967-12-01), Berens

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