SEAL AND APPARATUS INCLUDING SAME

SEAL AND APPARATUS INCLUDING SAME

An automatic liquid sample-injecting apparatus using a conduit such as a hypodermic needle or pipette to suck liquid from a sample source and transfer it to an injector valve apparatus. The apparatus utilizes the optimum embodiment of the apparatus being equipped with (1) novel seal means adapted to...

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Hauptverfasser: FINN, LAWRENCE J, FRISWELL, DAVID R
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator FINN, LAWRENCE J
FRISWELL, DAVID R
description An automatic liquid sample-injecting apparatus using a conduit such as a hypodermic needle or pipette to suck liquid from a sample source and transfer it to an injector valve apparatus. The apparatus utilizes the optimum embodiment of the apparatus being equipped with (1) novel seal means adapted to exert a radial thrust or wiping action on the conduit and (2) novel conduit working means featuring both a drip-proof means to supply a non-contaminating solvent for washing the exterior of the needle and means to remove such solvent, all without interfering with the use of the needle in a series of automatic injections.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title SEAL AND APPARATUS INCLUDING SAME
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