Photocopying – Including fiber optics
Patent
1983-03-14
1986-10-21
Moses, R. L.
Photocopying
Including fiber optics
432 60, 219216, G03G 1520
Patent
active
046182403
ABSTRACT:
A heating device having a heating roller for heat-treating an object to be heated or for heat-treating an object to be heated on a support member comprises a heat loss preventing device for preventing heat loss at the end portions of the roller, and a heating device provided internally or externally of the roller to efficiently heat the heating roller and secure a uniform heat distribution on the surface of the roller during heat treatment. The heat loss preventing device has a gear having heat-resistant insulating material and/or an insulating bearing or an insulating sleeve provided between a bearing and the roller, and the heating device has a heating member whose heating distribution is greater in the central portion than in the end portions of the roller or a heating member having a heating distribution area smaller than the maximum width of the support member and in addition, a heating member whose heating distribution is substantially constant or whose heating distribution is greater in the central portion than in the end portions of the roller.
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Japanese Laid-Open Utility Model Application No. 145061/1981, Entitled "Fixing Apparatus".
Kagiura Kazuo
Sakurai Masaaki
Canon Kabushiki Kaisha
Moses R. L.
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