Fluidized bed granulation coating device, and fluidized bed granulation coating method
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United States of America Patent
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Nov 18, 2003
Grant Date -
Jan 16, 2003
app pub date -
Aug 8, 2002
filing date -
Feb 10, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An upper processing section 10 is provided by evenly spacing out functional stations 13 having respective functions of steps constituting a fluidized bed granulation coating process, on circumferential points. An intermediate storing section 20 is provided under the upper processing section 10 by evenly spacing out powder grain storing vessels 22 corresponding to the plurality of functional stations 13, on circumferential points. A lower gas supply section 30 is provided under the intermediate storing section 20 by evenly spacing out gas supply stations 31 corresponding to the plurality of powder grain storing vessels 22. The powder grain storing vessels 22 storing powder grains sequentially proceed to the respective functional stations 13 to execute respective processes to the powder grains, and thereby granulation coating of the powder grains is performed in a batch type and a continuous type. Alternatively, the plurality of functional stations having respective functions of steps constituting the fluidized bed granulation coating process may be disposed on a straight line.
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