Method and apparatus for sampling gas

Details Method and apparatus for sampling gas Method and apparatus for sampling gas

1975-07-07

1977-02-22

Yudkoff, Norman

Measuring and testing

Measuring vessel

23232R, 23259, 734256, 141 25, 2223865, G01N 124

Patent

active

040086216

ABSTRACT:
In carrying out the method of sampling gas with our novel apparatus, a user will blow air into an elastic fluid impervious diaphragm which extends into the mouth of a rigid container. As the elastic diaphragm expands inwardly it forces air or gas outwardly of the container through a valve-controlled port, the diaphragm will eventually engage and adhere to substantially the entire inner surface of the container and the valve-controlled port will then be closed. The container will then be placed in a sampling zone and the valve-controlled port will again be opened to communicate with the sampling zone to thereby permit gas to enter and fill the container. The valve-controlled port will then be closed.

REFERENCES:
patent: 2063430 (1936-12-01), Graser
patent: 2659516 (1953-11-01), Smith
patent: 3343422 (1967-09-01), McSmith
patent: 3782198 (1974-01-01), Wachter et al.
patent: 3866474 (1975-02-01), Hasselmann

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