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:
Jan. 06, 2015
Filed:
Aug. 26, 2009
Applicants:
Kazumi Kozawa, Fujimino, JP;
Satoshi Akiyama, Fujimino, JP;
Kosuke Ando, Fujimino, JP;
Inventors:
Assignee:
Nisshin Seifun Group Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 15/02 (2006.01); B07B 7/086 (2006.01); B07B 4/00 (2006.01); B07B 11/02 (2006.01); B22F 1/00 (2006.01);
U.S. Cl.
CPC ...
B07B 7/086 (2013.01); B07B 4/00 (2013.01); B07B 11/02 (2013.01); B22F 1/0062 (2013.01);
Abstract
A method for classifying a powder using a fluid classifier, which comprises a mixing step of mixing a powder and an assistant agent composed of an alcohol, an input step of inputting the powder mixed in the mixing step into the fluid classifier, a heating step of heating a gas, a supply step of supplying the gas heated in the heating step into the fluid classifier, and a classification step of classifying the powder according to particle diameters in the fluid classifier.