Dispensing valve assembly for use with a pressurized container
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United States of America Patent
Stats
-
Sep 19, 1989
Grant Date -
N/A
app pub date -
Apr 5, 1988
filing date -
Apr 5, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved drainage tank assembly for a metered dispenser which includes a metering tank secured within a mounting cup, the mounting cup adapted to be secured to a container. The drainage tank includes a sealing portion which seals the interior of drainage tank from the mounting cup to prevent both corrosion of the mounting cup and contamination of the product dispensed. The drainage tank further includes radially extending ribs which extend from an interior surface of the drainage tank toward an outside surface of the metering tank to limit axial displacement of a band seal mounted on the outside surface of the metering tank.
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