Apparatus for dispensing a semifluid medium from a container
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United States of America Patent
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-
Oct 3, 1995
Issued Date -
N/A
app pub date -
Nov 24, 1993
filing date -
Nov 24, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for dispensing a semifluid medium such as a pasty mass, cream, gel or the like, from a container comprises a manually operated dosing pump connected to the container. The dosing pump itself comprises a pump body which is attached to a rim of the container opening and defines a pump chamber, the volume of which can be changed from outside. The pump chamber communicates on its input side with the interior of the container by way of a non-return valve that opens in the direction of the pump chamber and on its output side with the exterior by way of a delivery outlet. The container is also provided in its interior with a flexible bag for holding the semifluid medium. The bag is connected to the container in the region of the container opening.
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