THERMAL INSULATION ROLLER AND FIXING DEVICE

摘要

PROBLEM TO BE SOLVED: To obtain an image of good sharpness by preventing the drop of a fixing temperature of a nip section. SOLUTION: The thermal insulation roller 30 having a core shaft 31, a thermally insulating layer 32 disposed on the outer periphery of the core shaft 31 and a surface layer 33 disposed on the outer periphery of the thermally insulating layer 32 is provided with an air layer 34 between the core material 32 and the thermally insulating layer 32. COPYRIGHT: (C)2005,JPO&NCIPI