Fixing device having a curl compensation capability

Details Fixing device having a curl compensation capability Fixing device having a curl compensation capability

1993-11-05

1995-03-07

Moses, R. L.

Photocopying

Contact printing

Light boxes

219216, 432 60, 118 60, G03G 1520

Patent

active

053963180

ABSTRACT:
The present invention relates to a fixing device for use in image recording apparatuses, wherein the toner-adhering face of a sheet (100) onto which toner has been transferred is heated by a heating roller (30) to fix the toner. A pressure roller (20), pressing itself against the heating roller, assists in the heat-fixing process. In order to compensate for the curl resulting from the heat of the heating roller (30), a curl correcting roller (40) heats the back side of the sheet (100) with heat transmitted from the heat conducting part (31) of the heating roller (30) to another heat conducting part (41). This configuration dispenses with a built-in heat source which the curl correcting roller (40) would otherwise need.

REFERENCES:
patent: 4652110 (1987-03-01), Sato et al.
patent: 5084731 (1992-01-01), Baruch
patent: 5187527 (1993-02-01), Forlani et al.
patent: 5237381 (1993-08-01), Hamada
patent: 5245393 (1993-09-01), Storlie et al.
patent: 5258815 (1993-11-01), Nakagawa et al.

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