Method and apparatus for foreign-body separation from a material flow
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United States of America Patent
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Feb 26, 2008
Grant Date -
Oct 27, 2005
app pub date -
Apr 12, 2005
filing date -
Apr 27, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method and apparatus for the separation of foreign bodies from a material flow, in particular a tobacco stream. Method is characterized in that at least a portion of the material from the material flow is conveyed into the area of a foreign-body detection device in the form of a partial material flow, whereby foreign bodies are identified by the foreign-body detection device in the partial material flow and subsequently removed from the partial material flow, whereby the partial material flow is formed by a separation step by an air flow upstream from the foreign-body detection device. Apparatus is characterized in that a material flow conveyor and a separation device arranged diagonal to the material flow conveyor are provided by which a partial material flow can be separated from the material flow. A foreign-body detection device is arranged after the separation device and after this, a foreign-body separation device.
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