Miniature dispenser having a venting groove in the pump housing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 7, 1992
Grant Date -
N/A
app pub date -
Jul 2, 1990
filing date -
Jul 4, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid dispensing device having a pump carrying the internal mechanism disposed in a container part of the device. The pump has a flange which rests on the upper edge of the container and which is connected to an outer bush member. The bush member is fitted on an outer bearing surface of the wall of the container in radial sealing engagement therewith. The pump includes a venting passageway for connecting the interior of the container to the atmosphere during dispensing of the liquid. In assembling the device, the pump and bush member are first connected together and then connected to the container with the pump in a position to maintain the passageway open to the interior of the container.
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