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AssigneeCanon Kabushiki Kaisha
InventorsToshinori Nakayama, Hiroto Sugimoto, Masayuki Tamaki, Koichi Kakubari, Katsuhisa Matsunaka, Yutaka Arai, Jun Miura, Takeshi Suzuki, Naoki Akiyama, Shigeaki Takada, Yasuhiro Miyahara
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An image heating apparatus includes an endless belt configured to heat an image on a sheet at a nip potion, a heat generation device configured to cause the belt to generate heat, a nip forming member configured to form the nip portion between the nip forming member and the belt, and a pressing roller configured to press an inner surface of the belt toward the nip forming member, the pressing roller including an elastic porous layer containing a plurality of filler particles, wherein a thermal conductivity of the elastic porous layer in an axial direction of the pressing roller is in a range of 6 times to 900 times a thermal conductivity of the elastic porous layer in a radial direction of the pressing roller.
An image heating apparatus comprising:
A heating member comprising:
A pressing roller that is usable in an image forming apparatus including an endless belt configured to heat an image on a sheet at a nip potion, and a nip forming member configured to form the nip portion between the nip forming member and the belt, the pressing roller comprising:
Dependencies are inferred from the claim text.