Fixing device

Details Fixing device Fixing device

1997-12-19

1999-12-14

Pelham, Joseph

Electric heating

Heating devices

Combined with diverse-type art device

399324, 399333, G03G 1520

Patent

active

060021063

ABSTRACT:
In a fixing device, a recording material having an unfixed toner image formed thereon is inserted between a pair of rotating members, and the toner image is fixed on the recording material by heating/pressing the recording material having the unfixed toner image formed thereon. By providing the fixing device with a releasing layer, made of a PFA resin having end groups of --CF.sub.3, formed on a surface of a fixing rotating member, which serves as one of the pair of rotating members, contacting the unfixed toner image, and a releasing layer, having a volume resistivity of 10.sup.13 -10.sup.15 .OMEGA..multidot.cm (when applying a DC voltage of 500 V) and made of a PFA resin containing a conductivity providing material, formed on a surface of a pressing rotating member, which serves the other one of the pair of rotating members, a problem of offset is solved.

REFERENCES:
patent: 5253024 (1993-10-01), Okuda et al.
patent: 5264902 (1993-11-01), Suwa et al.
patent: 5287153 (1994-02-01), Senba
patent: 5331385 (1994-07-01), Ohtsuka et al.
patent: 5420679 (1995-05-01), Goto et al.
patent: 5561511 (1996-10-01), Mizunuma et al.

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