Toner image fixing method and device in which a pressure member

Details Toner image fixing method and device in which a pressure member Toner image fixing method and device in which a pressure member

1991-09-03

1993-05-11

Grimley, A. T.

Photocopying

Contact printing

Light boxes

219216, 355285, 355295, 430 99, 430124, G03G 1520

Patent

active

052105806

ABSTRACT:
A toner image is fixed to a receiving sheet by the application of pressure and heat applied between first and second pressure members. To prevent blistering of finished receiving sheets, a substantial temperature gradient is maintained between the two members which heats the image side of the receiving sheet adequately for fixing without excessively heating the overall sheet. The second pressure member contacting the side of the sheet opposite from the image is actively cooled by an air cooling device or the like as controlled by a logic and control in response to the temperature of the second pressure member.

REFERENCES:
patent: 3465122 (1969-09-01), Kolless
patent: 3993124 (1976-11-01), Mueller
patent: 4082137 (1978-04-01), Mueller
patent: 4085794 (1978-04-01), Mueller
patent: 4092099 (1978-05-01), Chiba et al.
patent: 4963943 (1990-10-01), Tamary
patent: 4992833 (1991-02-01), Dermiggio
patent: 5004891 (1991-04-01), Landis
patent: 5023038 (1991-06-01), Aslam et al.

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