Pulverizing apparatus and method for pulverizing

Details Pulverizing apparatus and method for pulverizing Pulverizing apparatus and method for pulverizing

2008-04-29

2008-04-29

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

With separation or classification of material

C241S005000, C241S039000

Reexamination Certificate

active

11190934

ABSTRACT:
A pulverization/classification apparatus includes a plurality of air nozzles, a milling chamber as a space for pulverizing particles by compressed air jetted by the air nozzles, and a rotor installed at an upper part of the milling chamber that classifies powder materials flowing into the rotor from the milling chamber with centrifuging into fine particles and coarse particles. The rotor includes plural blade members, and a width of the blade members within the rotor are set to be 1/50- 2/25 of the rotor's diameter.

REFERENCES:
patent: 6224004 (2001-05-01), Kato et al.
patent: 2003/0178514 (2003-09-01), Makino et al.
patent: 2004/0251330 (2004-12-01), Takahashi et al.
patent: 2006/0024607 (2006-02-01), Tanaka et al.
patent: 2004-160371 (2004-10-01), None
U.S. Appl. No. 11/752,562, filed May 23, 2007, Kubota et al.

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