Controlling the flow of a powder
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United States of America Patent
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Issued Date -
Apr 1, 2004
app pub date -
Jun 26, 2003
filing date -
Jun 27, 2002
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
An apparatus for filling a receptacle with a powder comprises a hopper adapted to contain a powder pharmaceutical formulation, the hopper comprising an outlet. A vibratable member is positioned in, on, or near the hopper so that the vibratable member is spaced from powder in the hopper, and the vibratable member is capable of fluidizing the powder in the hopper. Powder flowing through the outlet under the control of the vibratable member flows into a receptacle or into a transfer chamber for transport to a receptacle.
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