Powder homogenizing apparatus, its use, and a homogenizing method using said apparatus
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United States of America Patent
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Oct 12, 2004
Grant Date -
Feb 13, 2003
app pub date -
Jul 19, 2002
filing date -
Jul 20, 2001
priority date (Note) -
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Abstract
The powder homogenizing apparatus of the invention comprises a cylindrical shell with a circular section and a substantially horizontal axis, an assembly of cylindrical drums disposed inside the shell and comprising an inner drum and an outer drum, the external face of the cylindrical wall of said outer drum being overlaid with blades, which drum assembly can homogenize the powder contained in the annular space formed between the outer drum and the shell, a space of revolution being formed between said inner and outer drums, and a shaft on which said cylindrical drum assembly is mounted in integral manner, said shaft being hollow and connected outside the shell to a cold air supply system and also connected to an air exhaust system outside the shell; drive means for rotating said shaft are also provided.
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