Low pressure heat fixing device

Details Low pressure heat fixing device Low pressure heat fixing device

1988-09-08

1990-08-14

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

219216, 432 60, G03G 1520

Patent

active

049491326

ABSTRACT:
A low pressure heat fixing device for fixing toner images to multilayer paper as well as to ordinary copy paper. The device has a heat fixing roller having a metal roller body, an elastic intermediate layer formed on the surface of the metal roller body, and a thin resin film formed on the surface of the intermediate layer and having a releasing property and thickness less than the intermediate layer, a pressure roller in contact with the heat fixing roller and having a metal roller body, an elastic layer formed on the surface of the metal roller body, and a pressing member for pressing the heat fixing roller and the pressure roller together along a nip line at a total pressure of less than 20 kg to thereby thermally fix an image to a paper passed between the rollers.

REFERENCES:
patent: 4219327 (1980-08-01), Idstein
patent: 4753543 (1988-06-01), Mochimara et al.
patent: 4802439 (1989-02-01), Sugimoto et al.
patent: 4812873 (1989-03-01), Inagaki et al.
patent: 4814819 (1989-03-01), Torino et al.

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