Stopper detector

Details Stopper detector Stopper detector

1990-07-20

1992-01-14

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

422 63, 422 99, 436 43, 436 47, 436 48, 340568, 53505, 53506, G01N 2100

Patent

active

050808648

ABSTRACT:
There is described a stopper detector for use in combination with a stopper remover, so that containers of liquid can be automatically unstoppered in an analyzer if they are in fact stoppered. The stopper detector includes a mechanism for discriminating between a container having a stopper, and an unstoppered container, including one with a cup inserted into the top of the container. It also includes means for generating a signal in response to the discriminating means that is indicative of whether or not a stopper is present, such signal being effective, if present, to activate a following stopper remover.

REFERENCES:
patent: 4773204 (1988-12-01), Rydstrom

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