Heater having stepped portion and heating apparatus using same

Details Heater having stepped portion and heating apparatus using same Heater having stepped portion and heating apparatus using same

1991-12-31

1993-11-30

Gellner, Michael L.

Photocopying

Contact printing

Light boxes

338306, 346 76PH, G03G 1520

Patent

active

052670058

ABSTRACT:
A heating apparatus includes a heater which is stationary in use; a film in sliding contact with the heater; a pressing member cooperative with the film to form a nip therebetween; wherein the heater is provided with a portion which is stepped in a direction away from the film toward downstream with respect to a movement direction of the film, the stepped portion being in a width of the nip.

REFERENCES:
patent: 4203025 (1980-05-01), Nakatani et al.
patent: 4719489 (1988-01-01), Ohkubo et al.
patent: 4777583 (1988-10-01), Minami et al.
patent: 4954845 (1990-09-01), Yano 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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