Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidetoshi Katayanagi0
Toshiki Hayami0
Masashi Saito0
Hajime Tanaka0
Date of Patent
November 28, 2006
0Patent Application Number
108597930
Date Filed
June 3, 2004
0Patent Primary Examiner
Patent abstract
The fixing apparatus prevents transfer paper from sticking or jamming. This fixing apparatus is intended to fix polymerized toner on transfer material and has a heating roller and a pressure roller. The difference in hardness between the heating roller and pressure roller is 5 through 10 degrees in AskerC, and the hardness of the pressure roller is higher than that of the heating roller. A fixing nip portion, convex-shaped on the side closest to the heating roller, is formed between the heating roller and pressure roller and the nip pressure of the fixing nip portion is 24.5 N/cm or more.
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