Seal and apparatus including same

G - Physics – 01 – N

Patent

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Details

277/40, 73/93

G01N 1/10 (2006.01) G01N 1/00 (2006.01) G01N 30/24 (2006.01)

Patent

CA 1097101

Abstract of the Disclosure: 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 embodi- ment 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.

297607

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