Apparatus for collecting deep-sea sediment pore water

Details Apparatus for collecting deep-sea sediment pore water Apparatus for collecting deep-sea sediment pore water

1974-04-26

1982-05-18

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386463, G01N 114

Patent

active

043298834

ABSTRACT:
The collector filters and encapsulates pore water, in-situ, from unconsolted sediments. A pressure casing mounts a collection cylinder having a valved inlet opening for receiving the sediment pore water through a 1 micron filter. The valve is spring pressed to a closed position and opens in response to hydrostatic pressure. A second valve closes the inlet to the spring-pressed poppet valve. Trigger means initiate the opening of the second valve to expose the poppet valve to the hydrostatic pressure. Preferably, the exposure is accomplished in a delayed manner to assure proper positioning of the sampler before admission of the pore water to the cylinder.

REFERENCES:
patent: 2625226 (1953-01-01), Wafford
patent: 3095930 (1963-07-01), Kisling
patent: 3245268 (1966-04-01), Archibald

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