Liquid or gel product dispenser forming a metering stick
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United States of America Patent
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Jun 7, 2005
Grant Date -
Apr 7, 2005
app pub date -
Aug 2, 2002
filing date -
Aug 3, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a liquid or gel product dispenser, comprising a reservoir (R) supporting a pump body (1) including in its lower part an intake valve (2) and provided with a piston (3) mobile along an axis, defining with said body a metering chamber communicating with at least an ejection orifice defined in an axially mobile dispensing nozzle at the end of the reservoir; said piston is coupled by friction with said dispensing nozzle, which is axially mobile in both directions by manual actuation, relative to said reservoir; said metering chamber comprises a lower section (10a) and an upper section (10b), both sections communicating via a conduit (30) arranged across said piston and a closure valve (5) is arranged between said piston and said nozzle.
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