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:
Nov. 30, 2004
Filed:
Mar. 27, 2002
Koichi Sanpei, Kawasaki, JP;
Mitsuhiro Mori, Kawasaki, JP;
Akio Yano, Kawasaki, JP;
Masatoshi Kimura, Kawasaki, JP;
Masao Konishi, Kawasaki, JP;
Takao Kawamura, Osaka 590-1117, JP;
Akio Harada, Osaka, JP;
Tsuyoshi Nishi, Osaka, JP;
Yukio Yamamoto, Osaka, JP;
Yoshiaki Ohbayashi, Yao, JP;
Naoya Takehara, Yao, JP;
Toru Imai, Yao, JP;
Other;
Abstract
A heat plate for fixation comprising: a metallic base plate; and a heating resistor arranged on a reverse face of the metallic base plate, the heating resistor being formed by laminating, at least, an electric insulating layer and heating resistor layer in this order on the metallic base plate, wherein the heat plate is capable of raising the temperature of the metallic base plate to a fixing temperature when the heating resistor layer is energized and heated. A semicircular heating member for fixation comprises the heat plate which is curved so that the metallic base plate has a convex surface, a belt type fixing device is provided with the semicircular heating member, and an electrophotographic image forming apparatus is provided with the belt type fixing device comprising the semicircular heating member.