Specimen collector

Details Specimen collector Specimen collector

1993-09-10

1995-06-13

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422102, 422103, 435293, 435300, 7386371, 7386381, 7386383, G01N 1300, G01N 118

Patent

active

054240387

ABSTRACT:
An arrangement for receiving and transferring liquid specimens has a plurality of receiving vessels each formed as a closed cell provided with two conduits including a first conduit open below and a second conduit open above into an interior of the cell, two pairs of connecting conduits, and a mechanical switching device which is bringable in three positions for each group of the cells so as to alternatingly tightly close the first and second conduits, connect the first and second conduits with the first pair of connecting conduits, and connect the first and second conduits with the second pair of connecting conduits.

REFERENCES:
patent: 3306111 (1967-02-01), Ferrin
patent: 3346024 (1967-10-01), Berman et al.
patent: 4158694 (1979-06-01), Bischoff et al.
patent: 4873057 (1989-10-01), Robertson
patent: 4920056 (1990-04-01), Dasgupta
patent: 5127278 (1992-07-01), Benz

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