Liquid sample collector and method for obtaining samples

Details Liquid sample collector and method for obtaining samples Liquid sample collector and method for obtaining samples

1984-06-15

1986-05-27

Levy, Stewart J.

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386371, G01N 112

Patent

active

045908109

ABSTRACT:
A device for collecting samples of water from wells and the like comprises an elongated container having valves at both ends which valves are arranged to open when the container is lowered in a body of water and to close when the container is stopped and to remain closed when the container is being raised to the surface. The device traps a sample of the water at the position at which the device is stopped, and the container is held closed during the entire return to the surface.

REFERENCES:
patent: 1585072 (1926-05-01), Banks
patent: 2333711 (1943-11-01), Dwiggin
patent: 3455904 (1969-07-01), Hopkin
patent: 3489012 (1970-01-01), Niskin
patent: 3815422 (1974-06-01), Niskin
patent: 3841162 (1974-10-01), Duperon
patent: 4037477 (1977-07-01), Niskin
patent: 4050315 (1977-09-01), Markfelt
patent: 4091676 (1978-05-01), Niskin
patent: 4157664 (1979-06-01), Robinson
patent: 4271704 (1981-06-01), Peters

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