JPS6366560A - Apparatus for producing electrophotographic sensitive body - Google Patents
Apparatus for producing electrophotographic sensitive bodyInfo
- Publication number
- JPS6366560A JPS6366560A JP21224086A JP21224086A JPS6366560A JP S6366560 A JPS6366560 A JP S6366560A JP 21224086 A JP21224086 A JP 21224086A JP 21224086 A JP21224086 A JP 21224086A JP S6366560 A JPS6366560 A JP S6366560A
- Authority
- JP
- Japan
- Prior art keywords
- coating
- cover
- base body
- tank
- liquid
- 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
- 239000011248 coating agent Substances 0.000 claims abstract description 54
- 238000000576 coating method Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 13
- 108091008695 photoreceptors Proteins 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000704 physical effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003618 dip coating Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
Landscapes
- Photoreceptors In Electrophotography (AREA)
- Coating Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、電子写真感光体の製造装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an apparatus for manufacturing an electrophotographic photoreceptor.
従来の技術
従来、感光性素材を有機溶媒に分散又は溶解せしめて得
られた塗布液に円筒状基体を浸漬して塗布することによ
り電子写真感光体を製造する方法は浸漬塗布法として特
開昭４９−１３０７３６号公叩、特開昭５０−２６号公
報などに提案されている。その中で、特開昭４９−１３
０７３６号公報記載の発明は感光体基体を塗布液の中か
ら一定速度で引き上げる方法に関し、特開昭５０−２６
号公報記載の発明は感光体基体を浸漬した塗布液の液面
を低下させる方法に関する。2. Description of the Related Art Conventionally, a method for producing an electrophotographic photoreceptor by dipping a cylindrical substrate in a coating solution obtained by dispersing or dissolving a photosensitive material in an organic solvent was disclosed in Japanese Patent Application Laid-Open No. 2003-100002 as a dip coating method. This method has been proposed in Publication No. 49-130736, Japanese Patent Application Laid-Open No. 50-26, etc. Among them, JP-A-49-13
The invention described in Japanese Patent Application Laid-open No. 0736 relates to a method for pulling up a photoreceptor substrate from a coating solution at a constant speed, and
The invention described in the publication relates to a method for lowering the liquid level of a coating liquid in which a photoreceptor substrate is immersed.
一般に、塗布液を円筒状基体に塗布した後の有機溶媒除
去による乾燥工程をできるだけ短時間で行なえるように
するために、塗布液中の溶媒は低沸点の有機溶媒が用い
られている。Generally, an organic solvent with a low boiling point is used as the solvent in the coating liquid in order to carry out the drying step of removing the organic solvent in the shortest possible time after applying the coating liquid to the cylindrical substrate.
発明が解決しようとする問題点
しかしながら、有機溶媒を含む塗布液を浸漬塗布により
円筒状基体に塗布すると、有機溶媒の蒸発により塗布液
の粘度にバラツキを生じることによって塗膜に膜厚ムラ
を起す。また溶媒蒸発により感光性素材の濃度が上昇し
、均一物性の塗布膜が形成し得ないという問題がある。Problems to be Solved by the Invention However, when a coating solution containing an organic solvent is applied to a cylindrical substrate by dip coating, the viscosity of the coating solution varies due to evaporation of the organic solvent, resulting in uneven film thickness. . Another problem is that the concentration of the photosensitive material increases due to solvent evaporation, making it impossible to form a coating film with uniform physical properties.
本発明は上記問題点に鑑み、塗布液からの有機溶媒の蒸
発を少なくすることにより均一な膜厚であり、また均一
物性の塗膜を形成することができる電子写真感光体の製
造装置を提供するものである。In view of the above problems, the present invention provides an apparatus for manufacturing an electrophotographic photoreceptor that can form a coating film with uniform thickness and uniform physical properties by reducing the evaporation of organic solvent from the coating solution. It is something to do.
問題点を解決するための手段
上記問題点を解決するために本発明の電子写真感光体の
製造装置は、塗工槽に接触することなく上下移動が可能
な覆いで円筒状基体を覆い、覆いで塗工槽を覆いながら
有機溶媒を含む塗布液に円筒状基体を浸漬し相対的に上
下移動させ塗膜を形成するものである。Means for Solving the Problems In order to solve the above problems, the electrophotographic photoreceptor manufacturing apparatus of the present invention covers the cylindrical substrate with a cover that can be moved up and down without contacting the coating tank. A cylindrical substrate is immersed in a coating liquid containing an organic solvent while covering a coating tank with a coating tank, and is moved up and down relative to each other to form a coating film.
作用
本発明は上述の構成によって塗布液からの有機溶媒の蒸
発を少なくすることにより、均一な膜厚で、均一な物性
の塗布膜を形成するものである。Function The present invention forms a coating film with uniform thickness and uniform physical properties by reducing the evaporation of organic solvent from the coating solution using the above-described structure.
実施例
以下本発明の電子写真感光体の製造装置の一実施例につ
いて、図面を参照しながら説明する。EXAMPLE Hereinafter, an example of the electrophotographic photoreceptor manufacturing apparatus of the present invention will be described with reference to the drawings.
図は本発明の電子写真感光体の製造装置を示す概略断面
図であり、１は塗工槽、２は円筒状基体、３は覆い、４
は昇降ネジ、５は駆動機である。The figure is a schematic cross-sectional view showing an apparatus for producing an electrophotographic photoreceptor according to the present invention, in which 1 is a coating tank, 2 is a cylindrical substrate, 3 is a cover, and 4 is a coating tank.
5 is a lifting screw, and 5 is a driving machine.
塗工槽１の形状は特に限定されないが例えば円筒状基体
２の形状に応じて円筒状とすることがこのましい。Although the shape of the coating tank 1 is not particularly limited, it is preferably cylindrical depending on the shape of the cylindrical substrate 2, for example.
覆い３は塗工槽及び塗布液に接触することなく上下移動
が可能な覆いであればよく、特に円筒状の塗工槽の外径
より僅かに大きい内径を持った円筒が好ましい。また、
上部は閉じていた方が良い。The cover 3 may be any cover that can be moved up and down without contacting the coating tank or the coating solution, and is preferably a cylinder having an inner diameter slightly larger than the outer diameter of the cylindrical coating tank. Also,
It is better to keep the top closed.
塗工槽と覆いの隙間は狭いことが好ましい。It is preferable that the gap between the coating tank and the cover be narrow.
塗布膜から蒸発する有機溶媒蒸気を覆いの中に満たすこ
とによって塗工槽内の塗布液からの有機溶媒の蒸発を少
な（することができる。また、覆い３によって塗工装置
の回りの風の流れによる円筒状基体表面での溶媒の蒸発
ムラをな（すことができる。By filling the cover with organic solvent vapor that evaporates from the coating film, it is possible to reduce the evaporation of organic solvent from the coating solution in the coating tank. It is possible to eliminate uneven evaporation of the solvent on the surface of the cylindrical substrate due to the flow.
覆い３の材質は溶媒に侵されないもので軽量なものがよ
く、プラスチックでよい。The material of the cover 3 is preferably one that is not corroded by solvents and is lightweight, and may be plastic.
覆い３は、支持部材６に固定し円筒状基体２と共に上下
移動をする。また覆い３に開閉可能な扉を付けることに
より、支持部材６への円筒状基体１の取付は取外しを容
易にすることができる。The cover 3 is fixed to a support member 6 and moves up and down together with the cylindrical base 2. Furthermore, by providing the cover 3 with a door that can be opened and closed, the cylindrical base 1 can be easily attached to and removed from the support member 6.
駆動機５を回転させると昇降ネジ４が回転し、円筒状基
体２と覆い３が降下し塗布液中に円筒状基体２が浸漬さ
れる。駆動機５を逆回転させることにより円筒状基体１
が塗布液から引き離され塗膜が形成される。When the drive unit 5 is rotated, the lifting screw 4 is rotated, and the cylindrical base 2 and the cover 3 are lowered, so that the cylindrical base 2 is immersed in the coating liquid. By rotating the driving machine 5 in the reverse direction, the cylindrical base 1
is separated from the coating solution to form a coating film.
発明の効果
以上のように本発明は、塗工槽に接触することなく上下
移動が可能な覆いで円筒状基体を覆い、覆いで塗工槽を
覆いながら有機溶媒を含む塗布液に円筒状基体を浸漬し
相対的に上下移動させ塗膜を形成する装置であって、塗
布液からの有機溶媒の蒸発を少なくすることにより、均
一な膜厚で、均一な物性の塗布膜を形成することができ
た。Effects of the Invention As described above, the present invention covers a cylindrical substrate with a cover that can be moved up and down without contacting the coating tank, and applies a coating solution containing an organic solvent to the cylindrical substrate while covering the coating tank with the cover. This is a device that forms a coating film by immersing the coating liquid and moving it up and down relatively.By reducing the evaporation of organic solvent from the coating solution, it is possible to form a coating film with uniform thickness and uniform physical properties. did it.
図は本発明の一実施例における電子写真感光体の装置の
概略断面図である。
ｌ・・・・・・塗工槽、２・・・・・・円筒状基体、３
・・・・・・覆い、４・・・昇降ネジ、５・・・・・・
駆動機、６・・・・・・支持部材、７・・・・・・塗布
液。
代理人の氏名 弁理士 中尾敏男 はか１名／−−堡工
槽
２−円ｍｘｉ伴
３−１い
４−昇降ネジ
Ｓ−、馴′ｖＪ截
６−支持部材
７−塗今液The figure is a schematic cross-sectional view of an electrophotographic photoreceptor device according to an embodiment of the present invention. l... Coating tank, 2... Cylindrical base, 3
...cover, 4...lifting screw, 5...
Drive machine, 6...Supporting member, 7...Coating liquid. Name of agent: Patent attorney Toshio Nakao 1 person/--Fortress tank 2-Yen mxi 3-1-4-Elevating screw S-, fitting 6-Support member 7-Painting liquid
Claims (1)
状基体を覆い、前記覆いで前記塗工槽を覆いながら有機
溶媒を含む塗布液に前記円筒状基体を浸漬し、前記覆い
と共に前記塗布液に対し相対的に上下移動させ塗膜を形
成することを特徴とする電子写真感光体の製造装置。A cylindrical substrate is covered with a cover that can be moved up and down without contacting the coating tank, and the cylindrical substrate is immersed in a coating solution containing an organic solvent while covering the coating tank with the cover. An apparatus for manufacturing an electrophotographic photoreceptor, characterized in that a coating film is formed by moving up and down relative to a coating liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21224086A JPS6366560A (en) | 1986-09-09 | 1986-09-09 | Apparatus for producing electrophotographic sensitive body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21224086A JPS6366560A (en) | 1986-09-09 | 1986-09-09 | Apparatus for producing electrophotographic sensitive body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6366560A true JPS6366560A (en) | 1988-03-25 |
Family
ID=16619289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21224086A Pending JPS6366560A (en) | 1986-09-09 | 1986-09-09 | Apparatus for producing electrophotographic sensitive body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6366560A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03274569A (en) * | 1990-03-26 | 1991-12-05 | Sharp Corp | Manufacture of photosensitive film |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127678A (en) * | 1983-01-07 | 1984-07-23 | Canon Inc | Formation of coating film |
-
1986
- 1986-09-09 JP JP21224086A patent/JPS6366560A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127678A (en) * | 1983-01-07 | 1984-07-23 | Canon Inc | Formation of coating film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03274569A (en) * | 1990-03-26 | 1991-12-05 | Sharp Corp | Manufacture of photosensitive film |
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