Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masahiko Shimosugi0
Shigeru Tsunoda0
Noboru Oishi0
Date of Patent
May 15, 2007
0Patent Application Number
108619420
Date Filed
June 4, 2004
0Patent Primary Examiner
Patent 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.
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