Heating apparatus using endless film

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EP 0 461 596 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	09.02.1994 Bulletin 1994/06

(43)	Date of publication A2:
	18.12.1991 Bulletin 1991/51

(21)	Application number: 91109514.9

(22)	Date of filing: 10.06.1991

(51)	International Patent Classification (IPC)⁵: G03G 15/20

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

11.06.1990 JP 153603/90
11.06.1990 JP 153604/90
11.06.1990 JP 153606/90
11.06.1990 JP 153609/90

(71)	Applicant: CANON KABUSHIKI KAISHA
	Tokyo (JP)

(72)	Inventors:
	Setoriyama, Takeshi, c/o CANON KABUSHIKI KAISHA Ohta-ku, Tokyo (JP) Kuroda, Akira, c/o CANON KABUSHIKI KAISHA Ohta-ku, Tokyo (JP)

(74)	Representative: Tiedtke, Harro, Dipl.-Ing. et al
	Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München 80336 München (DE)

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References cited: :

(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.

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