JPH01125463U - - Google Patents
Info
- Publication number
- JPH01125463U JPH01125463U JP1962788U JP1962788U JPH01125463U JP H01125463 U JPH01125463 U JP H01125463U JP 1962788 U JP1962788 U JP 1962788U JP 1962788 U JP1962788 U JP 1962788U JP H01125463 U JPH01125463 U JP H01125463U
- Authority
- JP
- Japan
- Prior art keywords
- base material
- groove
- developing device
- developing roller
- wet type
- 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
- 239000000463 material Substances 0.000 claims description 8
- 239000005871 repellent Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 108010081750 Reticulin Proteins 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Wet Developing In Electrophotography (AREA)
Description
第１図は本考案の一実施例の要部断面図、第２
図は第１図の実施例の製造方法を説明するための
基材の斜視図、第３図は従来の湿式現像装置用現
像ローラの一例を用いる湿式現像装置の断面図、
第４図及び第５図はそれぞれ従来の湿式現像装置
用現像ローラの第１及び第２の例の斜視図、第６
図は第５図の湿式現像装置用現像ローラの要部断
面図、第７図は第５図の湿式現像装置用現像ロー
ラの動作を説明するための湿式現像装置の要部断
面図である。
１……湿式現像装置用現像ローラ、１ａ，１ｂ
……基材、２……網状繊維、３……ランド部、４
……溝、５……現像液槽、６……現像液、６ａ…
…現像液層、７……ドクターブレード、１１……
基材、１２……静電像形成材、１７……ランド部
、１８……溌水層、１９……溝、２４……潜像電
荷、２５……液柱、２６……現像された像、２７
……溝、２８……細線、２９……ランド部、３０
……谷部、３１……親水層。
Figure 1 is a sectional view of the main parts of an embodiment of the present invention, Figure 2
The figure is a perspective view of a base material for explaining the manufacturing method of the embodiment shown in FIG. 1, and FIG. 3 is a cross-sectional view of a wet-type developing device using an example of a conventional developing roller for a wet-type developing device.
4 and 5 are perspective views of first and second examples of a conventional developing roller for a wet type developing device, respectively, and FIG.
5 is a sectional view of a main part of the developing roller for a wet type developing device shown in FIG. 5, and FIG. 7 is a sectional view of a main part of the wet type developing device for explaining the operation of the developing roller for a wet type developing device shown in FIG. 1...Developing roller for wet developing device, 1a, 1b
... Base material, 2 ... Reticular fiber, 3 ... Land portion, 4
...Groove, 5...Developer tank, 6...Developer, 6a...
...Developer layer, 7...Doctor blade, 11...
Base material, 12... Electrostatic image forming material, 17... Land portion, 18... Water repellent layer, 19... Groove, 24... Latent image charge, 25... Liquid column, 26... Developed image , 27
...Groove, 28...Thin line, 29...Land portion, 30
...Tanibe, 31...Hydrophilic layer.
Claims (1)
理された円柱形状の基材と、該基材の表面に等間
隔に設けられた溝と、前記基材の表面より所定の
高さに突出するよう前記溝の深さより大きい径を
有する溌水性の電気絶縁材料で形成され前記溝に
はめられて前記基材に固定される細線とを含むこ
とを特徴とする湿式現像装置用現像ローラ。 A cylindrical base material formed of a conductive material and having a surface treated to be hydrophilic; grooves provided at equal intervals on the surface of the base material; and grooves protruding from the surface of the base material at a predetermined height. A developing roller for a wet type developing device, comprising: a thin wire formed of a water-repellent electrically insulating material having a diameter larger than the depth of the groove, and fitted into the groove and fixed to the base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1962788U JPH01125463U (en) | 1988-02-16 | 1988-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1962788U JPH01125463U (en) | 1988-02-16 | 1988-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01125463U true JPH01125463U (en) | 1989-08-28 |
Family
ID=31235305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1962788U Pending JPH01125463U (en) | 1988-02-16 | 1988-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01125463U (en) |
-
1988
- 1988-02-16 JP JP1962788U patent/JPH01125463U/ja active Pending