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.

Date of Patent:
Jun. 10, 2003

Filed:

Sep. 14, 2001
Applicant:
Inventors:

Takayuki Yamashita, Nakai-machi, JP;

Tsukasa Matsuda, Nakai-machi, JP;

Tetsuo Yamada, Nakai-machi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/516 ; G03G 1/520 ;
U.S. Cl.
CPC ...
G03G 1/516 ; G03G 1/520 ;
Abstract

An image-forming apparatus, a fixing unit and a heat circulation system are equipped with a heat circulator capable of being fabricated at low costs and ensuring high heat exchange efficiency. The heat circulator includes two tabular metal members that come into contact with an intermediate transfer member at positions upstream and downstream of a simultaneous transfer and fixing zone, and plural heat pipes that transfer the heat of the first metal member to the second metal member.


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