Centrifugal tumbling granulating-coating apparatus, method of granulating and coating powder or granular material by use of the apparatus
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United States of America Patent
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May 18, 1999
Grant Date -
N/A
app pub date -
Oct 21, 1997
filing date -
Nov 5, 1996
priority date (Note) -
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Abstract
A centrifugal tumbling granulating-coating apparatus for spherically granulating and coating pharmaceuticals, foods and the like. The apparatus is constructed such that an annular outer portion 5b of a rotary disc 5 is formed to provide an inclined portion which is inclined downwardly toward the center, the size (P) of the outer portion 5b in the horizontal direction is within the range of P.gtoreq.0.25D to the diameter (D) and preferably 0.4D.gtoreq.P.gtoreq.0.25D, and the height (H) is within the range of 0.1D.ltoreq.H.ltoreq.0.33D and preferably 0.1D.ltoreq.H.ltoreq.0.25D.
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