Dispensing – Resilient wall – Supply container delivering to receiving chamber
Patent
1993-11-02
1994-11-15
Shaver, Kevin P.
Dispensing
Resilient wall
Supply container delivering to receiving chamber
222211, 222438, 222454, 222567, B65D 3700
Patent
active
053639910
ABSTRACT:
A device is provided for controlled dispensing of a measured quantity of fluid from a flexible container, The device has a chamber adapted to hold a measured quantity of fluid when the container is inverted and righted. This fluid is then dispensed from the chamber through a conduit in direct response to a force exerted on the flexible wall of the container. One embodiment of the device is particularly suited to safeguard against contamination of the device. This embodiment features a dispensable nozzle ejectable by the user upon administration of the fluid, as well as a valve system to prevent airborne contaminants from entering the device and fluid reservoir. A further embodiment includes an inlet tube having a plurality of measuring notches communicating with a measuring chamber affixed to the side of the device. The inlet tube may be rotated to seal the chamber against spillage of the fluid. An additional embodiment features a floating housing floor slidingly mated within a housing. By rotating the housing chamber, the axial height of he housing floor can be varied within the housing to alter the size of the measuring chamber.
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