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:
Dec. 21, 1999
Filed:
Jan. 23, 1995
Applicant:
Inventors:
Hideo Nanataki, Machida, JP;
Koichi Tanigawa, Tokyo, JP;
Yasumasa Ohtsuka, Yokohama, JP;
Takayasu Yuminamochi, Yokohama, JP;
Akihiko Takeuchi, Yokohama, JP;
Hiroto Hasegawa, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ; G03G / ;
U.S. Cl.
CPC ...
347156 ; 399333 ;
Abstract
A fixing apparatus prevents the offset of toner onto a fixing roller, by forming a surface mold release layer made of pure fluororesin material on a core member of the fixing roller and by applying a bias voltage to the fixing roller.