JPH0448550U - - Google Patents
Info
- Publication number
- JPH0448550U JPH0448550U JP9049490U JP9049490U JPH0448550U JP H0448550 U JPH0448550 U JP H0448550U JP 9049490 U JP9049490 U JP 9049490U JP 9049490 U JP9049490 U JP 9049490U JP H0448550 U JPH0448550 U JP H0448550U
- Authority
- JP
- Japan
- Prior art keywords
- core metal
- irregularities
- fixing roller
- paper
- fluororesin layer
- 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
- 239000002184 metal Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１，２図は本考案に係る定着ローラの一実施
例を示す図であり、第１図はその断面図、第２図
はその要部拡大断面図である。第３，４図は従来
の定着ローラを示す図であり、第３図はその使用
状態を示す概略断面図、第４図はその要部拡大断
面図である。
２１……定着ローラ、２３……芯金、２３ａ…
…外表面、２３ｂ……凹凸、２５……フツ素樹脂
層、２５ａ……凹凸。
1 and 2 are diagrams showing an embodiment of the fixing roller according to the present invention, with FIG. 1 being a sectional view thereof, and FIG. 2 being an enlarged sectional view of a main part thereof. 3 and 4 are views showing a conventional fixing roller, FIG. 3 being a schematic cross-sectional view showing its usage state, and FIG. 4 being an enlarged cross-sectional view of its essential parts. 21... Fixing roller, 23... Core metal, 23a...
...outer surface, 23b...irregularities, 25...fluororesin layer, 25a...irregularities.
Claims (1)
ー像を用紙に定着させる定着ローラにおいて、前
記芯金の外表面に所定の大きさの凹凸を設け、前
記芯金の外表面の外側に芯金の外表面の凹凸に対
応した凹凸を表部に有するフツ素樹脂層を設けた
ことを特徴とする定着ローラ。 (2) 前記芯金の外表面の凹凸は円錐形状または
角錐形状である事を特徴とする請求項１記載の定
着ローラ。[Claims for Utility Model Registration] (1) In a fixing roller that has a core metal and fixes the toner image formed on the surface of paper to the paper, the outer surface of the core metal is provided with irregularities of a predetermined size. 2. A fixing roller, characterized in that a fluororesin layer is provided on the outer side of the outer surface of the core metal, the fluororesin layer having a surface portion having irregularities corresponding to the irregularities on the outer surface of the core metal. (2) The fixing roller according to claim 1, wherein the irregularities on the outer surface of the core metal have a conical shape or a pyramidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9049490U JPH0448550U (en) | 1990-08-28 | 1990-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9049490U JPH0448550U (en) | 1990-08-28 | 1990-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448550U true JPH0448550U (en) | 1992-04-24 |
Family
ID=31825305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9049490U Pending JPH0448550U (en) | 1990-08-28 | 1990-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448550U (en) |
-
1990
- 1990-08-28 JP JP9049490U patent/JPH0448550U/ja active Pending