Dispenser for liquid, cream or gel with a filter
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United States of America Patent
Stats
-
Jun 12, 2001
Issued Date -
N/A
app pub date -
Oct 28, 1999
filing date -
Apr 28, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dispenser for substances packaged in the form of a liquid, cream, or gel, and particularly intended for cosmetic, dermatological, pharmaceutical, ophthalmic, or perfumery applications. The dispenser includes a tank (1) containing the substance (2) and is connected at one of its ends to a head provided with a pump (4) fitted with a fixing collar (3) and with a controlled shutter device for the vent (40) formed on the body (41) of the pump (4). The shutter device includes an air-permeable diffuser element (6) containing non-migratory agents for bacteriological and/or chemical treatment of air by contact. The diffuser element (6) is engaged on the pump body (41) and held by leakproof peripheral radial clamping of at least one annular zone, and by its top portion being engaged in the fixing collar.
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