Fixing apparatus

Details Fixing apparatus Fixing apparatus

2007-05-15

2007-05-15

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Fixing

C399S328000

Reexamination Certificate

active

10861942

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.

REFERENCES:
patent: 5070231 (1991-12-01), Bacus et al.
patent: 6408160 (2002-06-01), Saito et al.
patent: 3-75462 (1991-07-01), None
patent: 05-043097 (1993-02-01), None
patent: 11-338224 (1999-12-01), None
patent: 2000-056601 (2000-02-01), None
patent: 2002-072737 (2002-03-01), None

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