Image fusing apparatus having heating and cooling devices

Details Image fusing apparatus having heating and cooling devices Image fusing apparatus having heating and cooling devices

1993-01-08

1993-09-21

Gellner, Michael L.

Photocopying

Contact printing

Light boxes

355295, 355319, 219 1057, 219216, 219469, G03B 1726

Patent

active

052473368

ABSTRACT:
A fusing apparatus for fusing toner images onto a substrate. The fusing apparatus includes a heated first fusing member, a second timing member and a fusing mix formed by the first and second members. A substrate carrying and unfused toner image on a first on a first side thereof is routed through the fusing nip such that the unfused toner image directly faces the heated first member, and the second side thereof directly faces the second fusing member. In order to prevent melting or remelting of a toner image on such second side, the fusing apparatus includes a device for cooling and maintaining the temperature of the second fusing member at a point below the melting temperature of toner particles forming the image on such second side.

REFERENCES:
patent: 4905050 (1990-02-01), Derimiggio et al.
patent: 4963943 (1990-10-01), Tamary
patent: 4984027 (1991-01-01), Derimiggo et al.
patent: 5030987 (1991-07-01), Kaco et al.
patent: 5051780 (1991-09-01), Stelter et al.

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