DOSAGE-DISPENSING DEVICE AND DOSAGE-DISPENSING UNIT WITH AN ELECTROSTATIC CLOSURE DEVICE
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United States of America Patent
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Issued Date -
Mar 26, 2009
app pub date -
Sep 19, 2008
filing date -
Sep 20, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A dosage-dispensing unit serving to store and dispense pulverous or granular dosage material has a housing which includes at least one receptacle space for dosage material and an outlet orifice connected to the receptacle space. The dosage-dispensing unit further includes at least one electrostatic coagulant means which affects the build-up and/or the break-down of a closure plug consisting of dosage material and/or of an aperture shutter consisting of dosage material in the outlet orifice. The closing or narrowing of the outlet orifice thus occurs as a result of the electrostatic attraction and coagulation of dosage material leading to at least partial obstruction of the outlet orifice with the dosage material by the build-up of a closure plug or an aperture shutter.
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