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US 5,638,989 AGranted
Bag fluid dispenser
OwnerHeiner Ophardt, Hermann Ophardtinventors
Life of this patent
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Abstract
An improved dispensing apparatus in which a collapsible bag has a lower outlet secured to the dispenser and an upper end supported above the outlet. An improvement arises in providing a system to draw the upper end of the bag upwardly to assist in ensuring all fluid in the bag may flow under gravity to the outlet.
Claims16
In combination dispensing apparatus and replaceable bag means containing fluid to be dispensed therefrom:
- the bag means having an upper end and a lower end joined by collapsible side walls,
- hanging means on the upper end of the bag means,
- outlet means on the lower end of the bag means for exit of said fluid from the bag means,
- said dispensing apparatus having bag suspending means to suspend the bag by engaging the hanging means on the upper end of the bag means,
- dispensing means for fixedly holding the outlet means at a height below the upper end of the bag means,
- tensioning means to sufficiently tension the side walls between the lower end and the upper end of the bag means to direct fluid in the bag to assume positions disposed in the bag above the outlet means.
3 more elements
Dependencies are inferred from the claim text.