Circulation type media agitator mill

Solid material comminution or disintegration – Apparatus – Loose grinding body comminutor

Reexamination Certificate

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Details

C241S172000

Reexamination Certificate

active

07374116

ABSTRACT:
A circulation type media agitator mill includes a cylindrical vessel, and an agitating member arranged rotatably in the cylindrical vessel. A grinding media is contained in a grinding chamber defined between a cylindrical wall of the agitating member and a surrounding cylindrical wall of the vessel. A media-separating member is arranged coaxial with the agitating member in the inner space of the agitating member. An inlet is provided for leading material to be ground to the grinding chamber, and an outlet leads the material separated from the grinding media to the outside of the mill via the media separating member. The vessel may have a length to diameter ratio smaller than one. The cylindrical wall and hub of the agitatihg member have openings to allow the grinding chamber to communicate with the media separating chamber.

REFERENCES:
patent: 4244531 (1981-01-01), Szegvari
patent: 5333804 (1994-08-01), Liebert
patent: 5791569 (1998-08-01), Ishikawa
patent: 2005/0224612 (2005-10-01), Heinzelmann et al.
patent: H02-10699 (1990-03-01), None
patent: H02-61298 (1990-12-01), None
patent: H08-9017 (1996-01-01), None
patent: 3663010 (2005-04-01), None

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