JPH0437963U - - Google Patents
Info
- Publication number
- JPH0437963U JPH0437963U JP7910190U JP7910190U JPH0437963U JP H0437963 U JPH0437963 U JP H0437963U JP 7910190 U JP7910190 U JP 7910190U JP 7910190 U JP7910190 U JP 7910190U JP H0437963 U JPH0437963 U JP H0437963U
- Authority
- JP
- Japan
- Prior art keywords
- fixing device
- pressure roll
- rolling contact
- toner image
- elastic body
- 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
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 2
- 239000013013 elastic material Substances 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は本考案の一実施例としての加圧ロール
を示す正断面図、第２図は上記加圧ロールの側断
面図、第３図は上記加圧ロールを用いる定着装置
の構成を示す模式的断面図である。
１……熱源、２……加熱ロール、３……加圧ロ
ール、３ａ……芯金、３ｂ……弾性層、３ｃ……
熱収縮性チユーブ、３ｄ……微細孔、４……分離
爪、５……クリーナ。
FIG. 1 is a front sectional view showing a pressure roll as an embodiment of the present invention, FIG. 2 is a side sectional view of the pressure roll, and FIG. 3 is a configuration of a fixing device using the pressure roll. It is a schematic cross-sectional view. DESCRIPTION OF SYMBOLS 1... Heat source, 2... Heating roll, 3... Pressure roll, 3a... Core bar, 3b... Elastic layer, 3c...
Heat-shrinkable tube, 3d...micropore, 4...separation claw, 5...cleaner.
Claims (1)
る加圧ロールを転動接触させ、両ロールの転動接
触部で未定着トナー像を担持した用紙を挟持搬送
させてトナー像を用紙に定着する定着装置におい
て、前記加圧ロールがトナーとの離型性に優れる
オイを含浸させた弾性体の表面に多数の微細な孔
を備えた熱収縮性弗素樹脂フイルムを被覆してな
ることを特徴とする定着装置。 A heating roll equipped with an internal heat source and a pressure roll made of an elastic material are brought into rolling contact, and the paper carrying the unfixed toner image is conveyed between the rolling contact portions of both rolls to fix the toner image on the paper. The fixing device is characterized in that the pressure roll is made of an elastic body impregnated with an oil that has excellent releasability from the toner, and the surface of the elastic body is covered with a heat-shrinkable fluororesin film having a large number of fine holes. fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7910190U JPH0437963U (en) | 1990-07-25 | 1990-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7910190U JPH0437963U (en) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0437963U true JPH0437963U (en) | 1992-03-31 |
Family
ID=31622962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7910190U Pending JPH0437963U (en) | 1990-07-25 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437963U (en) |
-
1990
- 1990-07-25 JP JP7910190U patent/JPH0437963U/ja active Pending