Liquid extraction apparatus

Details Liquid extraction apparatus Liquid extraction apparatus

1994-07-15

1996-05-21

Noland, Thomas P.

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

7386424, 141329, G01N 3510, G01N 114, B65B 304

Patent

active

055178677

ABSTRACT:
An apparatus is provided for identifying each of a predetermined plurality of liquid containers, some of which are stoppered and others of which are open-mouthed and for extracting liquid therefrom. The apparatus comprises an upper arm and a lower arm and a sensor responsive to relative motion therebetween, relative motion between the arms causing a container identity signal representative to be generated. A single needle is used to penetrate stoppers when present and extract liquid from the container.

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