The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2006
Filed:
Jan. 22, 2004
Applicants:
Mutsumi Takahashi, Numazu, JP;
Nobuyasu Makino, Numazu, JP;
Fumitoshi Murakami, Fuji, JP;
Makoto Hirai, Fuji, JP;
Inventors:
Mutsumi Takahashi, Numazu, JP;
Nobuyasu Makino, Numazu, JP;
Fumitoshi Murakami, Fuji, JP;
Makoto Hirai, Fuji, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B02C 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluidized bed pulverizing and classifying apparatus is disclosed having a vessel that includes a pulverizing section having a pulverizing nozzle spraying compressed air to pulverize a powder, a classifying section located over the pulverizing section, including a classifying rotor classifying the powder, and a fluidized bed. The vessel also contains a supply of secondary air.