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Title:
IMAGE FIXING DEVICE
Document Type and Number:
Japanese Patent JP3755972
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an image fixing device using a film belt having stable operability even in the case of high speed operation and causing no fixing irregularity in an image.
SOLUTION: In the device equipped with a heat generating head and a film belt 1 moving with a recording sheet 6, for heating and fixing a toner image carried on the sheet 6; the film belt 1 is constituted by laminating and integrating two or more layers of heat resistant resin film having the same width with the belt by the use of adhesive resin, and constituted by attaching and laminating so that both ends of the film are nearly parallel with each other, forming an angle 45° to 135° with respect to the peripheral direction of the belt and are positioned at their aligned position in vision from the upside of the belt surface or positioned to be deviated from the aligned position by ≤10 mm. Desirably, a layer made of silicone resin or fluororesin is formed on the outermost layer and/or the innermost layer and the average thickness of the belt is 15 μm to 100 μm, and the fluctuation of the thickness is set to ≤20% of the average thickness.


Inventors:
Keisaku Nagasawa
Furumoto Goro
Tsuneo Igarashi
Application Number:
JP27659297A
Publication Date:
March 15, 2006
Filing Date:
September 25, 1997
Export Citation:
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Assignee:
Asahi Kasei Chemicals Corporation
International Classes:
G03G15/20; (IPC1-7): G03G15/20
Domestic Patent References:
JP8187773A
JP7125067A
JP3025471A
Attorney, Agent or Firm:
Yoshio Narui
Takeshi Shimizu
Joi Ito
Hideo Takei