Dry granulating method and apparatus
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United States of America Patent
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Jun 23, 1992
Grant Date -
N/A
app pub date -
Nov 7, 1990
filing date -
Nov 17, 1989
priority date (Note) -
Expired
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Abstract
Uniform spherical granules are produced from powder raw material without utilizing an agglomerating liquid by repeatedly and alternately compacting a dry powder raw material within a granulating vessel to cohesively form agglomerates of the material and fluidizing the powder material within the vessel to break up and form the agglomerates gradually into a uniform spherical shape.
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