Liquid sampling device

Details Liquid sampling device Liquid sampling device

1981-07-24

1983-09-27

Yasich, Daniel M.

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386451, G01N 110

Patent

active

044061714

ABSTRACT:
A liquid sampling device comprises a cylinder with a piston and a liquid outlet at its top. Liquid inlet ports are disposed at the bottom of the cylinder with one-way entry valves to admit the liquid which is to be sampled into the cylinder. The piston has by-pass ports controlled by one-way valves which permit the sampled liquid to pass upwards through the piston.
The device is operated by lowering it into the liquid to be sampled by means of a line attached to a piston rod connected to the piston. The liquid is then drawn into the cylinder by means of the piston and the liquid sample removed.

REFERENCES:
patent: 378338 (1888-02-01), Shelnutt
patent: 587455 (1897-08-01), Sawyer
patent: 1621857 (1927-03-01), Seraphin
patent: 1963080 (1934-06-01), Featherstone
patent: 2059999 (1936-11-01), Rainville, Sr.
patent: 2274869 (1942-03-01), Pfeiffer
patent: 3273394 (1966-09-01), Chaney
patent: 3692490 (1972-09-01), Hall
patent: 3950999 (1976-04-01), Edwards
patent: 4196627 (1980-04-01), Locher

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