Dispensing apparatus for delivering powdered product
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United States of America Patent
Stats
-
Sep 20, 2005
Grant Date -
Sep 25, 2003
app pub date -
Jan 21, 2003
filing date -
Jan 22, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dispensing device for dispensing a powdered product includes a housing having a first end and a second end defining a first outlet; a plunger slidably received in the first end of the housing, the housing and plunger together defining an interior of the dispensing device which is open to atmosphere; a chamber located within the plunger for housing a powdered product; a sheathing member slidably mounted on an end of the plunger proximate the second end of the housing, and having an inlet and a second outlet closed by a frangible membrane. Additionally, the plunger includes a perforating element for puncturing the frangible membrane when the plunger is moved towards the second end of the housing.
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