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(11) | EP 0 461 596 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Heating apparatus using endless film |
(57) An image heating apparatus includes a heater; a film movable together with a recording
material; a driving rotatable member cooperative with the film to form a nip therebetween,
an image on a recording material being passed through the nip and is heated by heat
from the heater though the film; wherein the driving member has a circumferential
length which increases toward longitudinal ends thereof. |