JPS6472184A - Heat roller for fixation - Google Patents
Heat roller for fixationInfo
- Publication number
- JPS6472184A JPS6472184A JP22876687A JP22876687A JPS6472184A JP S6472184 A JPS6472184 A JP S6472184A JP 22876687 A JP22876687 A JP 22876687A JP 22876687 A JP22876687 A JP 22876687A JP S6472184 A JPS6472184 A JP S6472184A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- roller main
- heat
- roller
- radiating means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Fixing For Electrophotography (AREA)
Abstract
PURPOSE:To reduce the cost, to simplify the assembly, and to improve the follow-up performance of fixing operation by providing a coupler to one end of a roller main body additionally and adding a heat radiating means made of shape memory alloy to the other end. CONSTITUTION:This heat roller consists of one heater lamp 3 which is arranged in the hollow part of a cylindrical roller main body 2 and heats the drum surface of the roller main body 2, the coupler 4 which is added to one end of the roller main body 2 and enables the roller main body 2 to receive rotary driving force, and the heat radiating means 5 which are planted and provided plural chips made of shape memory alloy on the other end of the roller main body 2 with closely contacted and bind state and changes its shape into a separate open leg state with heat emitted by the lamp 3 and radiates the heat of the other end of the roller main body 2. Namely, the quantity of the heat from the heat radiating means 5 becomes large by increasing the heat radiation area by the deformation of the heat radiating means 5 into a stored shape as the roller main body 2 is heated more and one end side and the other end side of the roller main body 2 are put in nearly the same temperature states. Consequently, the heat roller 1 for fixation is obtained which is low in cost and easily assembled and has the good follow-up performance of the fixing operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22876687A JPS6472184A (en) | 1987-09-11 | 1987-09-11 | Heat roller for fixation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22876687A JPS6472184A (en) | 1987-09-11 | 1987-09-11 | Heat roller for fixation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6472184A true JPS6472184A (en) | 1989-03-17 |
Family
ID=16881503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22876687A Pending JPS6472184A (en) | 1987-09-11 | 1987-09-11 | Heat roller for fixation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6472184A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5195059A (en) * | 1991-03-27 | 1993-03-16 | Tokyo Gas Co., Ltd. | Acoustic pipe length measuring apparatus |
-
1987
- 1987-09-11 JP JP22876687A patent/JPS6472184A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5195059A (en) * | 1991-03-27 | 1993-03-16 | Tokyo Gas Co., Ltd. | Acoustic pipe length measuring apparatus |
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