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:
May. 15, 2007
Filed:
Jun. 04, 2004
Applicants:
Noboru Oishi, Tokyo, JP;
Masahiko Shimosugi, Tokyo, JP;
Shigeru Tsunoda, Tokyo, JP;
Inventors:
Assignee:
Oki Data Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fixing roller has a heat source therein and has a rubber layer on an outer periphery of a metal pipe. Hardness of the fixing roller is set to a range from 70° to 85° (ASKER C). A pressing roller is come into pressure contact with the fixing roller and a silicone foam rubber is formed on an outer periphery of a core. Hardness of the pressing roller is set to a range from 55° to 70° (ASKER C). A fixing apparatus in which a pressure necessary for color fixing is obtained, a print medium is not wrapped, and heat insulating performance of the pressing roller is obtained is provided.