Interchangeable liquid dispensing cartridge pump

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United States of America Patent

PATENT NO 6092695
SERIAL NO

09020983

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A liquid dispensing cartridge pump suitable for dispensing reagent in an automatic system includes a compressible metering chamber suspended from a reservoir bag mounted within a rigid housing. Check valves between the reservoir and metering chamber and at a lower end of a metering chamber are formed of flexible membranes having apertures which close against conical projections on rigid disks. The reservoir and metering chamber pivot as a compression member squeezes the metering chamber against a back surface.

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Patent Owner(s)

Patent OwnerAddress
DAKO DENMARK A/SPRODUKTIONSVEJ 42 GLOSTRUP DK-2600

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Loeffler, Herbert H Arlington, MA 34 1886

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