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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.:

US 5712075 B1

PDFFull Text
Date of Patent:
Jan. 27, 1998

Filed:

Jan. 23, 1995

Gas current classifier and process for producing toner

Applicant:
Inventors:

Satoshi Mitsumura, Yokohama, JP;

Hitoshi Kanda, Yokohama, JP;

Masayoshi Kato, Iruma, JP;

Yoko Goka, Kawasaki, JP;

Yoshinori Tsuji, Yokohama, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Roland Martin

Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430137 ; 209-2 ; 209143 ; 241 19 ;
Abstract

A gas current toner classifier has a material feed nozzle, a Coanda block, a classifying wedge and a classifying wedge block having the classifying wedge. The Coanda block and the classifying wedge define a classification zone, and the classifying wedge block is set up in the manner that its location is changeable so that the form of the classification zone can be changed. A method of producing toner using said classifier is also described.

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Mitsumura, Satoshi. (1998). Gas current classifier and process for producing toner (U.S. Patent No. 5712075). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5712075

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