Fluid dispensing unit with metered outflow

Details Fluid dispensing unit with metered outflow Fluid dispensing unit with metered outflow

1992-08-12

1994-01-18

Swinehart, Edwin L.

Dispensing

Collapsible wall-type container

With casing or support

B65D 132

Patent

active

052794474

ABSTRACT:
A fluid dispensing unit includes a hollow support enclosing a collapsible reservoir or container. The container has a one-way valve at its outlet for directing flow through the valve into a metering chamber. The metering chamber has an outlet connected to another one-way valve which valve prevents any backflow of contaminants into the container after fluid is dispensed. As the fluid is dispensed, the container can be collapsed to ensure complete evacuation of the fluid. Further, the metering chamber can be completely collapsed to ensure that the dispensing unit is completely empty.

REFERENCES:
patent: 3124275 (1964-03-01), Lake
patent: 4413757 (1983-11-01), Adler
patent: 4846810 (1989-07-01), Gerber
patent: 5129550 (1992-07-01), Eschbach
patent: 5178300 (1993-01-01), Haviv et al.

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