Pump for dispensing liquid from a container
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United States of America Patent
Stats
-
Apr 28, 1992
Issued Date -
N/A
app pub date -
Dec 22, 1989
filing date -
Apr 16, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing assembly for use in a liquid dispensing device having means for dispensing liquid from a container as disclosed. The container has a radially protruding flange with a generally vertical sidewall. The assembly comprises a sealing collar having a resilient deformable body having a central aperture for receiving the dispensing means, such as a pump. The body includes in its periphery a circular sealing ring having an annular outer sidewall which includes a wedge-shaped tapered sealing member. The tapered surface has a diameter progressively increasing over a range which encompasses the sidewall diameter when the sealing member is mounted on the flange, the tapered surface is driven into contact with the bottle flange sidewall to provide a liquid and airtight seal between the tapered flange and the container flange. A mounting cup have a central aperture for receiving the dispensing means, forces the tapered surface into contact with the container flange.
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