JPH0199662A - Dip coating device - Google Patents
Dip coating deviceInfo
- Publication number
- JPH0199662A JPH0199662A JP25606987A JP25606987A JPH0199662A JP H0199662 A JPH0199662 A JP H0199662A JP 25606987 A JP25606987 A JP 25606987A JP 25606987 A JP25606987 A JP 25606987A JP H0199662 A JPH0199662 A JP H0199662A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- coated
- pulled
- soln
- coating film
- 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
- 238000003618 dip coating Methods 0.000 title claims description 7
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
- G03G5/0525—Coating methods
Landscapes
- Coating Apparatus (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、筒状の被塗布基体、例えば電子写真複写機の
感光体の外周面に塗膜を形成する浸漬塗布装置に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a dip coating device for forming a coating film on the outer peripheral surface of a cylindrical substrate to be coated, such as a photoreceptor of an electrophotographic copying machine.
電子写真複写機の感光体など、少なくとも一端が密閉さ
れている円筒状被塗布基体の外周面に塗膜を形成するに
は、例えば第６図に示すように被塗布基体２１を支持部
乙により支持し、これを液槽乙の塗布液翼内に徐々に降
下させて第７図のように全体を浸漬した後、第８図のよ
うに引き上げている。In order to form a coating film on the outer circumferential surface of a cylindrical substrate to be coated, which has at least one end sealed, such as a photoconductor of an electrophotographic copying machine, the substrate to be coated 21 is moved by a support part A as shown in FIG. 6, for example. After supporting it and gradually lowering it into the coating liquid blade of the liquid tank B and immersing it as a whole as shown in FIG. 7, it is pulled up as shown in FIG.
このようにして被塗布基体２１の外周面に塗膜を形成し
ているが、被塗布基体２１を液槽おより引き上げる際、
被塗布基体２１の内側空間に存在する空気５が気圧変化
に伴って膨張し、第８図のように被塗布基体２１の下端
から気泡２６が出て、被塗布基体２１外周面に沿って浮
上し、その一部が付着するため、塗膜欠陥が生じる。In this way, a coating film is formed on the outer peripheral surface of the substrate 21 to be coated, but when the substrate 21 to be coated is pulled up from the liquid tank,
The air 5 existing in the inner space of the substrate to be coated 21 expands as the atmospheric pressure changes, and air bubbles 26 come out from the lower end of the substrate to be coated 21 as shown in FIG. However, some of it adheres, causing coating defects.
本発明は、一端が密閉されている筒状被塗布基体を支持
部により支持し、液槽の塗布液に浸漬してその外周面に
塗膜を形成する浸漬塗布装置において、前記被塗布基体
に嵌合する支持具の下面側にシリンダーとしての凹部を
設け、この凹部に被塗布基体の引き上げ時に内部容積を
増加させるように動作するピストンを嵌入して、これを
上下動用の支持棒に連結したことを特徴とするものであ
る。The present invention provides a dip coating apparatus in which a cylindrical substrate to be coated with one end sealed is supported by a support part, and is immersed in a coating liquid in a liquid tank to form a coating film on the outer peripheral surface of the substrate. A recessed part as a cylinder was provided on the lower surface side of the support to be fitted, a piston that operated to increase the internal volume when the substrate to be coated was pulled up was inserted into this recessed part, and this was connected to a support rod for vertical movement. It is characterized by this.
以下、本発明を図示の実施例に基づいて詳細に説明する
。Hereinafter, the present invention will be explained in detail based on illustrated embodiments.
第１図〜第５図は本発明の一実施例を示すもので、円筒
状の被塗布基体１に支持具２をＱ ＩＪソングを介して
嵌合させ、これに支持棒４を連結している。支持具２に
はシリンダーとしての凹部５をその下面側に設け、これ
にピストン６を挿入して取付ねじ７により前記支持棒４
の先端部に固定している。これにより、被塗布基体ｌを
液槽８の塗布液９に浸漬する際、その下降時には第２図
のようにピストン６が支持具２の下面側に位置し、上昇
時（引き上げ時）には第３図のように凹部５の底面（図
示上側）に位置するようにしている。つまり、浸漬時（
下降時）には被塗布基体１の内側空間の容積が小さくな
り、引き上げ時にはピストン５のストロークの分だけ内
容積が大きくなるようにしている。1 to 5 show an embodiment of the present invention, in which a support 2 is fitted onto a cylindrical substrate 1 to be coated via a QIJ song, and a support rod 4 is connected to this. There is. The support 2 is provided with a recess 5 serving as a cylinder on its lower surface, a piston 6 is inserted into the recess 5, and the support rod 4 is secured by a mounting screw 7.
It is fixed to the tip of the As a result, when the substrate 1 to be coated is immersed in the coating liquid 9 in the liquid tank 8, the piston 6 is located on the lower surface side of the support 2 as shown in FIG. 2 when it is lowered, and when it is raised (raised) As shown in FIG. 3, it is located at the bottom surface (upper side in the figure) of the recess 5. In other words, during immersion (
The volume of the inner space of the substrate 1 to be coated decreases when the substrate 1 is lowered, and the inner volume increases by the stroke of the piston 5 when the substrate 1 is pulled up.
このような構造とすると、第４図のように支持棒４を下
降させて被塗布基体１を液槽８の塗布液９内にその全体
が浸たるようにした後、支持棒４を引き上げた場合、ま
ずピストン６が一定のストロークスライドしてから被塗
布基体１が引き上げられるようになり（第５図）、基体
１の下端部の液面１１は基体１内となって、引き上げの
際の気圧変化に伴って内部空気１２に膨張が生じても、
気泡の発生が防止される。即ち、塗膜欠陥の発生が抑制
される。With this structure, as shown in FIG. 4, the support rod 4 is lowered so that the substrate 1 to be coated is completely immersed in the coating liquid 9 in the liquid tank 8, and then the support rod 4 is pulled up. In this case, first, the piston 6 slides a certain stroke and then the substrate 1 to be coated is lifted up (Fig. 5), and the liquid level 11 at the lower end of the substrate 1 becomes inside the substrate 1, and when it is pulled up. Even if the internal air 12 expands due to changes in atmospheric pressure,
Generation of air bubbles is prevented. That is, the occurrence of coating film defects is suppressed.
以上のように本発明によれば、基体支持具にピストン機
構を設け、引き上げ時に基体内側の容積を増加させるよ
うにしたので、被塗布基体を液槽より引き上げる際に気
泡の発生を防止できるようになり、塗膜欠陥を大幅に減
少させることができる。As described above, according to the present invention, the piston mechanism is provided in the substrate support to increase the volume inside the substrate when it is pulled up, so that it is possible to prevent the generation of air bubbles when lifting the substrate to be coated from the liquid tank. This can significantly reduce coating film defects.
第１図は本発明に係る浸漬塗布装置の一実施例を示す断
面図、第２図及び第３図は同実施例における被塗布基体
と支持具部分の連結状態を示す拡大断面図、第４図及び
第５図は同実施例による浸漬塗布状況を示す断面図−第
６図〜第８図は従来例を示す断面図である。
ｌ・・・・・・被塗布基体、 ２・・・・・・支持具
、３・・・・・・０リング ４・・・・・・支持
棒、５・・・・・・凹部、 ６・・・・・・
ピストン、８・・・・・・液槽、 ９・・・・
・・塗布液。
特許出願人 スタンレー電気株式会社第１図FIG. 1 is a sectional view showing an embodiment of the dip coating apparatus according to the present invention, FIGS. 5 and 5 are cross-sectional views showing the state of dip coating according to the same embodiment, and FIGS. 6 to 8 are cross-sectional views showing the conventional example. l...Substrate to be coated, 2...Support, 3...0 ring 4...Support rod, 5...Recess, 6・・・・・・
Piston, 8...Liquid tank, 9...
...Coating liquid. Patent applicant: Stanley Electric Co., Ltd. Figure 1
Claims (1)
持し、液槽の塗布液に浸漬してその外周面に塗膜を形成
する浸漬塗布装置において、前記被塗布基体に嵌合する
支持具の下面側にシリンダーとしての凹部を設け、この
凹部に被塗布基体の引き上げ時に内部容積を増加させる
ように動作するピストンを嵌入して、これを上下動用の
支持棒に連結したことを特徴とする浸漬塗布装置。In a dip coating apparatus in which a cylindrical substrate to be coated, which is sealed at one end, is supported by a support part and immersed in a coating liquid in a liquid tank to form a coating film on the outer peripheral surface thereof, the support is fitted to the substrate to be coated. A recess as a cylinder is provided on the lower surface of the tool, a piston that operates to increase the internal volume when the substrate to be coated is pulled up is inserted into the recess, and the piston is connected to a support rod for vertical movement. Dip coating equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25606987A JPH0199662A (en) | 1987-10-09 | 1987-10-09 | Dip coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25606987A JPH0199662A (en) | 1987-10-09 | 1987-10-09 | Dip coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0199662A true JPH0199662A (en) | 1989-04-18 |
Family
ID=17287468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25606987A Pending JPH0199662A (en) | 1987-10-09 | 1987-10-09 | Dip coating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0199662A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771720A (en) * | 2014-02-27 | 2014-05-07 | 青岛众瑞智能仪器有限公司 | Large-sized automatic-feeding pulling film coating device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594468A (en) * | 1982-07-01 | 1984-01-11 | Mitsubishi Chem Ind Ltd | Device for holding and immersing cylindrical body in liquid |
| JPS6265763A (en) * | 1985-09-18 | 1987-03-25 | Canon Inc | Coater |
-
1987
- 1987-10-09 JP JP25606987A patent/JPH0199662A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594468A (en) * | 1982-07-01 | 1984-01-11 | Mitsubishi Chem Ind Ltd | Device for holding and immersing cylindrical body in liquid |
| JPS6265763A (en) * | 1985-09-18 | 1987-03-25 | Canon Inc | Coater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771720A (en) * | 2014-02-27 | 2014-05-07 | 青岛众瑞智能仪器有限公司 | Large-sized automatic-feeding pulling film coating device |
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