Dispensing – Collapsible wall-type container – Plural container and/or compartment
Patent
1990-03-09
1991-07-23
Huppert, Michael S.
Dispensing
Collapsible wall-type container
Plural container and/or compartment
222212, 222494, B65D 3522
Patent
active
050336479
ABSTRACT:
A squeezable dispenser having main flexible outer container closed off by a top and an inner collapsible flexible fluid containing bladder. A one-way flow valve is provided between the outer container and the inner bladder to prevent the contents of the bladder from contamination from external sources. A vent in the top provides fluid communication between the interior of the container and the exterior thereof. A sealing member overlies the vent and normally closes off the same when the dispenser is squeezed to dispense liquid in the bladder out through the valve.
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Holland Greg
Smith Daniel F.
Allergan Inc.
DeRosa Kenneth R.
Huppert Michael S.
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