Measuring and testing – Sampler – sample handling – etc. – Flow divider – deflector – or interceptor
Patent
1996-10-28
1998-05-19
Raevis, Robert
Measuring and testing
Sampler, sample handling, etc.
Flow divider, deflector, or interceptor
7386356, G01N 100
Patent
active
057538298
ABSTRACT:
A sampling device selects pairs of interleaving samples of slurry flows and is suitable for determining the precision of a measurement protocol and to test the measurement procedure for bias. The device comprises a sample cutter pivoted to move in one direction and in the other direction across a stream of material. A slot is provided in the sample cutter to collect a sample volume from the stream of material as the sample cutter moves across the stream of material. A transfer hopper is positioned to receive the sample volume as the sample cutter moves across the stream and a tilt chute is positioned beneath the hopper movable to divert sample volumes into a first sample container or a second sample container. A mechanism positions the tilt chute over the first sample container and moves the sample cutter in the one direction across the stream of material so a first sample volume is collected in the first sample container and then to position the tilt chute over the second sample container and move the sample cutter in the opposite direction across the stream of material so a second sample volume is collected in the second sample container.
REFERENCES:
patent: 3464272 (1969-09-01), Griffith et al.
patent: 3555911 (1971-01-01), Cordell et al.
Jackson Lawrence D.A.
Merks Jan W.
Lawjack Machinery Inc.
Raevis Robert
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