Pump for delivering atomized liquids
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United States of America Patent
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-
Jul 22, 1997
Grant Date -
N/A
app pub date -
Jul 26, 1995
filing date -
Jan 16, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pump of very simple, low-cost structure include a hollow stem slidable within a cup-shaped body and acting as a compression piston, and a valving element housing an elongate rod movable in the cavity within the stem and provided with a conical collar which is urged by a spring to engage and seal against a conical seat within the stem, so that liquid delivery occurs snapwise when the conical collar disengages the conical seat within the stem.
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