Image fixing apparatus having a heater, a movable film and elect

Details Image fixing apparatus having a heater, a movable film and elect Image fixing apparatus having a heater, a movable film and elect

1990-12-31

1993-03-23

Grimley, A. T.

Electric heating

Heating devices

Combined with diverse-type art device

355285, 355290, G03G 1520

Patent

active

051966751

ABSTRACT:
An image fixing apparatus includes a movable film movable together and in contact with a recording material supporting a visualized image, the film having a base layer of insulating material and a surface low resistance layer contactable to the visualized image, the surface layer containing low resistance material; a heater extending in a direction crossing with a movement direction of the film, the film being in contact with the base layer of the film, the heater including a base plate, an electric resistance layer producing heat by electric power supply and extending along a longitudinal direction of the film adjacent the film and a protection layer for protecting the electric resistance layer; and an insulating material between the film and the protection layer only at lateral end portions of the film.

REFERENCES:
patent: 3924943 (1975-12-01), Fletcher
patent: 4763136 (1988-08-01), Isobe
patent: 4954845 (1990-09-01), Yano et al.
patent: 4998121 (1991-05-01), Koh et al.
patent: 5026276 (1991-06-01), Hirabayashi et al.
patent: 5027160 (1991-06-01), Okada et al.
patent: 5043763 (1991-08-01), Koh et al.
patent: 5051784 (1991-09-01), Yamamoto et al.
patent: 5083168 (1992-01-01), Kusaka et al.

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