Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent
1994-06-01
1996-10-22
Raevis, Robert
Measuring and testing
Sampler, sample handling, etc.
Capture device
7386462, 7386463, G01N 100
Patent
active
055665764
ABSTRACT:
A universal sampling device for retrieving samples of high and low viscosity substances at various depths and from specific portions of contained bodies of materials without being completely submerged therein, is disclosed. The sampling device is made of chemically inert material, has manually operable inlet and outlet vent valve means attached to opposite inlet and outlet ends of a relatively long tube into which the sample enters upon opening of the inlet and outlet valve means at the desired point in the substance to be tested. Means are provided for manually closing and opening of the inlet valve means such as pushing and pulling a valve stem by hand into sealingly engagement with an inlet valve body. Another method attaches a valve stem to an adjustable valve control rod extending upwardly through the tube and outlet valve means. Closing of the inlet valve means can be attained by pushing the device and valve stem against a bottom or side wall containing the substance until the inlet valve stem snaps closed prior to withdrawal of the device and sample therein. Means such as a manually operable piston and piston rod may be slidably inserted into the long tube for sucking samples of more viscous substance into the tube and for actuating the valve stem of the inlet valve means. Also provided are means attachable to the outlet vent valve means for allowing air to exhaust and enter the tube, secure and adjust the valve control and piston rods and for dispensing of the sample into open or sealed containers. Further provided is a coring type inlet valve for taking samples of more viscous substances such as thick sludge and mud.
REFERENCES:
patent: 397961 (1889-02-01), Bergmann
patent: 4406171 (1983-09-01), Ueberschaer
patent: 4594905 (1986-06-01), Roberts
patent: 4930361 (1990-06-01), Nimberger
patent: 4991434 (1991-02-01), Snow
patent: 5098847 (1992-03-01), Welker
Borgianini Stephen A.
Carpenter Robert E.
Santora Scott
Scavuzzo William S.
Sher Samuel E.
Borst Stephen L.
Kolkowski Brian
Norton Company
Porter Mary E.
Raevis Robert
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