Fixing device using a belt for an image forming apparatus

Details Fixing device using a belt for an image forming apparatus Fixing device using a belt for an image forming apparatus

1999-03-26

2000-07-18

Brase, Sandra

Electrophotography

Image formation

Fixing

399 75, 399333, G03G 1520

Patent

active

060919264

ABSTRACT:
A fixing device for fixing a toner image formed on a recording medium includes an endless belt passed over a plurality of rollers. A press roller is pressed against a portion of the belt passed over a fix roller, which is one of the plurality of rollers. A heat source applies heat to the toner image carried on the recording medium being conveyed via a nip where the belt and press roller are pressed against each other. The nip has a width greater than 25.degree. inclusive in terms of a circumferential angle as seen from the axis of the fix roller. The fixing device prevents a recording medium from wrapping around the belt and broadens a parting temperature range.

REFERENCES:
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patent: 5581340 (1996-12-01), Hayashi et al.
patent: 5666623 (1997-09-01), Yamada et al.
patent: 5697036 (1997-12-01), Moser
patent: 5890047 (1999-03-01), Moser
patent: 5918098 (1999-06-01), Van Bennekom
patent: 5926680 (1999-07-01), Yamamoto et al.

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