Device for containing and dispensing flowable materials
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United States of America Patent
Stats
-
Mar 20, 1990
Issued Date -
N/A
app pub date -
Jul 29, 1988
filing date -
Jun 16, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device is disclosed for containing and dispensing flowable materials contained in an inner container which is located within an outer container. The inner container includes a first portion having a nozzle affixed to one end thereof and a readily reshapable bladder affixed to the other end thereof, with the nozzle having a first one-way check valve permitting ejection of the contents from the inner container. The outer container has a second one-way valve to admit air from the exterior of the device to the space between the inner and outer containers and a compressible volume reducing structure for reducing the volume of the outer container without direct contact by a user with the volume reducing structure.
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