Container filling machine
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United States of America Patent
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Jun 7, 2011
Grant Date -
Feb 12, 2009
app pub date -
Feb 16, 2007
filing date -
Feb 16, 2007
priority date (Note) -
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Abstract
The present invention provides a container filling machine comprising a sensing device for detecting the integrity of discrete articles for personal treatment to be packaged in a container. The sensing device comprises a pair of capacitor plates positioned in a substantially opposing relationship for creating therebetween an electric field, a track for guiding the discrete articles for personal treatment through said electric field and a processing unit. The processing unit is in communication with the pair of capacitor plates, and is operative for detecting a change in capacitance as a discrete article passes through the electric field in order to determine the integrity of the discrete article on the basis of the change in capacitance and a characteristic capacitance change signature. The container filling machine further comprises a transportation device, a rejection device, a counting device and a plurality of path blocking devices.
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