Interchangeable liquid dispensing cartridge pump

Details Interchangeable liquid dispensing cartridge pump Interchangeable liquid dispensing cartridge pump

1998-02-10

2000-07-25

Jacyna, J. Casimer

Dispensing

Resilient wall

Supply container delivering to receiving chamber

222214, 222450, 222454, 222455, 2221812, 222182, 222325, 417412, 417478, 417479, 417480, 137859, F04B 4308

Patent

active

060926953

ABSTRACT:
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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