PULVERIZING APPARATUS
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Apr 28, 2011
filing date -
May 6, 2010
priority date (Note) -
Abandoned
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Abstract
A pulverizing apparatus for processing a powder material that can be readily melted by friction heat generated between the pulverizing apparatus and the material. The pulverizing apparatus includes a casing (2) having a cylindrical inner face, a rotor (10) driven to rotate about the axis X of the casing and having a rugged portion (10G) in its outer periphery, a gas source providing a gas flow for conveying the powder material from a feed opening (3) provided at an end of the casing along the an axial direction to a discharge opening (4) provided at the other axial end of the casing, a coolant source providing coolant to flow in a coolant passage (15) formed inside the rotor. The rugged portion is divided along the axial direction by an annular cutout portion (11) extending along the peripheral direction of the rotor.
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