Method and apparatus for preheating and pressure-fixing a toner

Details Method and apparatus for preheating and pressure-fixing a toner Method and apparatus for preheating and pressure-fixing a toner

1991-09-03

1992-10-20

Grimley, A. T.

Photocopying

Contact printing

Light boxes

219216, 355282, 355285, 355311, 430 99, 430126, G03G 1520

Patent

active

051574470

ABSTRACT:
A toner image carried by a heat softenable layer of a receiving sheet is fixed by feeding it into a pressure nip between a pressure member and a ferrotyping belt. To preheat the heat softenable layer, it is urged against the belt by a pressure or squeegee roller which contacts the back of the receiving sheet and urges it into contact with the belt. The adhesive characteristics of the heat softenable layer when heated by the belt cause the receiving sheet to follow the belt from the squeegee roller into the pressure nip.

REFERENCES:
patent: 3948215 (1976-04-01), Namiki
patent: 4092099 (1978-05-01), Chiba et al.
patent: 4780742 (1988-10-01), Takahashi et al.
patent: 4937631 (1990-06-01), Kim et al.
patent: 4968578 (1990-11-01), Light et al.
patent: 4973824 (1990-11-01), Ohashi et al.
patent: 5023038 (1991-06-01), Aslam et al.

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