Device with button incorporating a shut-off means, for delivering liquids in atomized form
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United States of America Patent
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Jan 30, 1990
Grant Date -
N/A
app pub date -
Jun 8, 1988
filing date -
Jun 19, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The device comprises a pump with its plunger mobile in a cylinder against the action of a spring, and a delivery button associated with the plunger for controlling its delivery movement. The button incorporates a shut-off member provided on a flexible diaphragm fixed peripherally in a seat in the button.
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