JP3147932B2 - Inner surface treatment device for cylindrical body - Google Patents
Inner surface treatment device for cylindrical bodyInfo
- Publication number
- JP3147932B2 JP3147932B2 JP18022491A JP18022491A JP3147932B2 JP 3147932 B2 JP3147932 B2 JP 3147932B2 JP 18022491 A JP18022491 A JP 18022491A JP 18022491 A JP18022491 A JP 18022491A JP 3147932 B2 JP3147932 B2 JP 3147932B2
- Authority
- JP
- Japan
- Prior art keywords
- processing liquid
- processing
- cylindrical body
- tubular body
- nozzle
- 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.)
- Expired - Fee Related
Links
Landscapes
- Photoreceptors In Electrophotography (AREA)
- Coating Apparatus (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、筒状体の内面を液体で
処理するための装置に関するものであり、詳しくは、処
理液体が被処理用筒状体の外表面に実質的に接触するこ
となく被処理用筒状体の内面の所定の位置のみに接触し
て各種の処理を行い得るようになされた筒状体の内面処
理装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for treating the inner surface of a tubular body with a liquid, and more particularly, to a treatment liquid which substantially contacts the outer surface of a tubular body to be treated. The present invention relates to a tubular body inner surface processing apparatus capable of performing various kinds of processing by contacting only a predetermined position on the inner surface of a tubular body to be processed without using the same.
【０００２】[0002]
【従来の技術】従来、例えば、アルミニウム円筒の外表
面に陽極酸化被膜を設けた後に封孔処理を施し、その上
に光導電層を設けて成る電子写真感光体の製造工程にお
いては、通常、アルミニウム円筒の内外表面に陽極酸化
被膜を形成し、その後に、内面の所定の位置の陽極酸化
被膜を除去することが行われる。なお、上記の陽極酸化
被膜の形成や封孔処理は、通常、電子写真感光体の電気
特性の向上のために行われれ、また、陽極酸化被膜の除
去は電気的接続のために行われれる。2. Description of the Related Art Conventionally, for example, in an electrophotographic photoreceptor manufacturing process in which an aluminum oxide cylinder is provided with an anodic oxide coating on an outer surface thereof, a sealing process is performed, and a photoconductive layer is provided thereon, An anodic oxide film is formed on the inner and outer surfaces of the aluminum cylinder, and thereafter, the anodic oxide film at a predetermined position on the inner surface is removed. The formation and sealing of the anodic oxide film are usually performed to improve the electrical characteristics of the electrophotographic photoreceptor, and the anodic oxide film is removed for electrical connection.
【０００３】[0003]
【発明が解決しようとする課題】上記の陽極酸化被膜の
除去は、適当な液体を用いて溶解除去するのが好まし
い。そして、この場合には、液体がアルミニウム円筒の
外表面に実質的に接触することなく内面の所定の位置の
みに接触するように行なう必要がある。しかしながら、
従来、このような用途に好適に使用し得る装置は、未だ
提案されていない状況にある。本発明は、上記実情に鑑
みなされたものであり、その目的は、処理液体が筒状体
の外表面に実質的に接触することなく筒状体の内面の所
定の位置のみに接触するようになされた筒状体の内面処
理装置を提供することにある。The removal of the anodic oxide film is preferably performed by dissolving and removing the anodic oxide film using an appropriate liquid. In this case, it is necessary that the liquid be brought into contact with only a predetermined position on the inner surface without substantially contacting the outer surface of the aluminum cylinder. However,
Conventionally, a device that can be suitably used for such an application has not yet been proposed. The present invention has been made in view of the above circumstances, and an object thereof is to allow a processing liquid to contact only a predetermined position on an inner surface of a cylindrical body without substantially contacting an outer surface of the cylindrical body. An object of the present invention is to provide an inner surface treatment device for a cylindrical body.
【０００４】[0004]
【課題を解決するための手段】すなわち、本発明の要旨
は、被処理用筒状体（１）の内面を液体で処理するため
の装置であって、隔壁板（２）によってその上下の少な
くとも一方に区画空間（３）が形成され、隔壁板（２）
に設けられた貫通孔（４）には、被処理用筒状体（１）
に嵌合する処理液体分散ノズル（５）が略直立に配置さ
れ、処理液体分散ノズル（５）には、当該処理液体分散
ノズルに下部より処理液体を導入する処理液体の供給管
路（６）が接続され、そして、隔壁板（２）の下部側を
相対的に負圧にし得る負圧手段（７）が設けられること
により、被処理用筒状体（１）を処理液体分散ノズル
（５）に嵌合した状態において、処理液体分散ノズル
（５）と被処理用筒状体（１）との間隙部を通して処理
液体が流下し、被処理用筒状体（１）の内面の下端側の
所定部位のみに処理液体が接触する様になされているこ
とを特徴とする筒状体の内面処理装置に存する。That is, the gist of the present invention is an apparatus for treating the inner surface of a tubular body to be treated (1) with a liquid, wherein at least the upper and lower parts of the apparatus are treated by a partition plate (2) . A partition space (3) is formed on one side , and a partition plate (2)
The to-be-processed cylindrical body (1)
Of arrangement processing liquid dispersion nozzle to be fitted (5) is substantially upright
The processing liquid dispersion nozzle (5) is provided with the processing liquid dispersion nozzle.
A processing liquid supply pipe line (6) for introducing the processing liquid from the lower part to the nozzle is connected , and a negative pressure means (7) for providing a relatively negative pressure on the lower side of the partition plate (2) is provided .
The processing target cylindrical body (1) is processed by a processing liquid dispersion nozzle.
In the state fitted in (5), the processing liquid dispersion nozzle
Processing through the gap between (5) and the cylindrical body to be processed (1)
The liquid flows down, and the lower end of the inner surface of the processing target tubular body (1)
There is provided a cylindrical inner surface processing apparatus characterized in that a processing liquid is brought into contact only with a predetermined portion .
【０００５】[0005]
【作用】負圧手段（７）は、処理液体分散ノズル（５）
と被処理用筒状体（１）との間隙部を通して流下する処
理液体が被処理用筒状体（１）の外表面に廻り込むのを
防止する。The negative pressure means (7) is a processing liquid dispersion nozzle (5).
The processing liquid flowing down through the gap between the processing target tubular body (1) and the processing target cylindrical body (1) is prevented from flowing around the outer surface of the processing target cylindrical body (1).
【０００６】[0006]
【実施例】以下、本発明の実施例を添付図面に基づいて
説明する。図１は、本発明の内面処理装置の一例の全体
を示す側面図、図２は、その要部を示す側面図である。
図１及び図２に示した内面処理装置は、水平に配置され
た隔壁板（２）の上下の両者に区画空間（３）、（３）
を形成したものである。そして、被処理用筒状体（１）
として両端が開放状態の円筒体を使用した例である。Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a side view showing the entirety of an example of the inner surface processing apparatus of the present invention, and FIG. 2 is a side view showing a main part thereof.
The inner surface treatment apparatus shown in FIGS. 1 and 2 has partition spaces (3) and (3) in both upper and lower sides of a partition plate (2) arranged horizontally.
Is formed. Then, the tubular body to be processed (1)
Is an example in which a cylindrical body whose both ends are open is used.
【０００７】上部の区画空間（３）の天板部には、被処
理用筒状体（１）を装入する開口蓋（８）が設けられ、
隔壁板（２）には、開口蓋（８）の真下に相当する位置
に貫通孔（４）が設けられている。[0007] An opening lid (8) into which the tubular body (1) to be processed is inserted is provided in a top plate portion of the upper partitioned space (3).
The partition plate (2) is provided with a through hole (4) at a position corresponding to immediately below the opening lid (8).
【０００８】貫通孔（４）の周縁部には、好ましい態様
として、受台（９）が配置されている。受台（９）は、
中心部に向かって下降傾斜面（１０）を有し且つ貫通孔
（４）と同軸の貫通孔（１１）を設けている。そして、
下降傾斜面（１０）と貫通孔（１１）とは、ロート構造
を形成している。斯かるロート構造の受台（９）によれ
ば、後述の負圧作用により、被処理用筒状体（１）の外
表面への処理液体の廻り込みを一層確実に防止すること
ができる。A pedestal (9) is preferably disposed at the periphery of the through hole (4). The cradle (9)
A through hole (11) having a downward inclined surface (10) toward the center and coaxial with the through hole (4) is provided. And
The descending inclined surface (10) and the through hole (11) form a funnel structure. According to the receiving stand (9) having such a funnel structure, it is possible to more reliably prevent the processing liquid from flowing into the outer surface of the processing target tubular body (1) by the negative pressure action described later.
【０００９】貫通孔（４）には、処理液体分散ノズル
（５）が略直立に配置されており、該処理液体分散ノズ
ルは、被処理用筒状体（１）に嵌合し且つ下部より導入
された処理液体を該被処理用筒状体との間隙部を通して
流下し得る構造を有する。図２に示した処理液体分散ノ
ズル（５）は、処理液体の供給管路（６）に嵌合する円
筒体（１２）とその上部に一定の間隙を設けて固設され
た円錐体（１３）とから成る。そして、処理液体の供給
管路（６）から導入された処理液体は、円錐体（１３）
の下部に当って水平方向に分散され、負圧作用により、
円筒体（１２）と被処理用筒状体（１）との間隙部を通
して流下する。In the through hole (4), a processing liquid dispersion nozzle (5) is disposed substantially upright, and the processing liquid dispersion nozzle is fitted into the processing target cylindrical body (1) and from the lower part. It has a structure in which the introduced processing liquid can flow down through a gap between the processing target cylindrical body. The processing liquid dispersion nozzle (5) shown in FIG. 2 includes a cylindrical body (12) fitted into a processing liquid supply pipe (6) and a conical body (13) fixedly provided with a certain gap above the cylindrical body (12). ). The processing liquid introduced from the processing liquid supply pipe (6) is conical (13).
Is distributed horizontally in the lower part of the
It flows down through the gap between the cylindrical body (12) and the processing target cylindrical body (1).
【００１０】円筒体（１２）と被処理用筒状体（１）と
の間隙部の大きさは、使用する処理液体の粘度、負圧作
用の程度（減圧度）、処理液体の供給量などによって異
なるが、通常は、０．５〜５ｍｍ程度の範囲から適宜選
択される。そして、上記の間隙部は、外径の異なる円筒
体（１２）を複数個準備し、適当な外径の円筒体（１
２）に変更することにより、自在に調整することができ
る。The size of the gap between the cylindrical body (12) and the cylindrical body to be processed (1) depends on the viscosity of the processing liquid to be used, the degree of negative pressure action (degree of pressure reduction), the supply amount of the processing liquid, and the like. Usually, it is appropriately selected from a range of about 0.5 to 5 mm. In the gap, a plurality of cylindrical bodies (12) having different outer diameters are prepared, and the cylindrical bodies (1) having an appropriate outer diameter are prepared.
By changing to 2), it can be adjusted freely.
【００１１】処理液体の供給管路（６）は、固定台（１
４）にて略直立に固定され、ポンプ（１５）に連結され
ている。A supply line (6) for the processing liquid is provided on a fixed base (1).
It is fixed substantially upright at 4) and connected to the pump (15).
【００１２】下部の区画空間（３）は、スクラバー（１
６）に連結されており、該スクラバーの上部は、負圧手
段としての排気ブロアー（７）に接続されいる。スクラ
バー（１６）内の廃液体は、導出管（１７）から抜き出
され、適宜、循環使用される。The lower compartment (3) has a scrubber (1).
The upper part of the scrubber is connected to an exhaust blower (7) as a negative pressure means. The waste liquid in the scrubber (16) is withdrawn from the outlet pipe (17) and is appropriately circulated.
【００１３】被処理用筒状体（１）は、開口蓋（８）を
開放して装入され、処理液体分散ノズル（５）に嵌合さ
せられ、その開口端部を貫通孔（４）に対向させて略直
立に配置される。そして、被処理用筒状体（１）の開口
端部は、受台（９）の下降傾斜面（１０）に当接させら
れる。この場合、下降傾斜面（１０）は、その逆円錐状
の傾斜面により、被処理用筒状体（１）と処理液体分散
ノズル（５）との求心作用を発揮し、斯かる作用によ
り、両者の間隙は一定に保持される。The tubular body to be processed (1) is loaded with the opening lid (8) opened, fitted into the processing liquid dispersion nozzle (5), and the opening end thereof is inserted into the through-hole (4). , And is arranged substantially upright. The open end of the processing target tubular body (1) is brought into contact with the downwardly inclined surface (10) of the receiving table (9). In this case, the descending inclined surface (10) exerts a centripetal action between the processing target tubular body (1) and the processing liquid dispersion nozzle (5) by the inverted conical inclined surface, and by such an action, The gap between them is kept constant.
【００１４】本発明においては、排気ブロアー（７）の
駆動により、下部の区画空間（３）は負圧にされ、ポン
プ（１５）により、処理液体の供給管路（６）を通して
供給された処理液体は、処理液体分散ノズル（５）と被
処理用筒状体（１）との間隙部を通して流下する。すな
わち、負圧手段としての排気ブロワー（７）は、処理液
体分散ノズル（５）と被処理用筒状体（１）との間隙部
を通して処理液体を流下させ、被処理用筒状体（１）の
内面の下端側の所定部位のみに処理液体を接触させる。
そして、上記の負圧作用により、処理液体が被処理用筒
状体（１）の外表面に廻り込むのが防止される。In the present invention, the lower partition space (3) is made to have a negative pressure by driving the exhaust blower (7), and the processing liquid supplied through the processing liquid supply pipe (6) by the pump (15). The liquid flows down through a gap between the processing liquid dispersion nozzle (5) and the processing target cylindrical body (1). sand
That is, the exhaust blower (7) as the negative pressure means is provided with a processing liquid.
The gap between the body dispersion nozzle (5) and the cylindrical body to be processed (1)
The processing liquid is allowed to flow down through the
The processing liquid is brought into contact with only a predetermined portion on the lower end side of the inner surface.
Then , the negative pressure prevents the processing liquid from flowing around the outer surface of the processing target tubular body (1).
【００１５】流下する処理液体の状態は、減圧度と処理
液体の流量を制御することにより調節される。そして、
減圧度は、圧力計（１８）からの圧力信号により、排気
ブロアー（７）等を制御することにより行なわれ、処理
液体の流量は、ポンプ（１５）等を制御することにより
行なわれる。上記の条件設定により、処理液体分散ノズ
ル（５）より上部に液面を上昇させることなく且つ均一
な流下状態を形成でき、被処理用筒状体（１）の内面の
所定の位置のみに処理液体を均一に接触させることがで
きる。The state of the processing liquid flowing down is adjusted by controlling the degree of pressure reduction and the flow rate of the processing liquid. And
The degree of pressure reduction is controlled by controlling the exhaust blower (7) and the like based on the pressure signal from the pressure gauge (18), and the flow rate of the processing liquid is controlled by controlling the pump (15) and the like. By setting the above conditions, a uniform flowing state can be formed without raising the liquid level above the processing liquid dispersion nozzle (5), and the processing can be performed only at a predetermined position on the inner surface of the processing target cylindrical body (1). The liquid can be brought into uniform contact.
【００１６】図３は、処理液体の状態変化を示す一例の
結果であり、図１及び図２に示す装置（処理液体分散ノ
ズル（５）と被処理用筒状体（１）との間隙部が１ｍｍ
の場合）において、液の流動状態を目視観察するために
被処理用筒状体（１）として透明アクリル製のものを使
用し、処理液体として水を使用し、減圧度と流量とを変
化させて測定した結果である。図３中、領域（Ａ）は、
液面上昇領域であって処理液体分散ノズル（５）より上
部に液面の上昇があり、（Ｂ）は、安定領域であって処
理液体分散ノズル（５）より上部に上昇することなく且
つ均一な流下状態が形成され、（Ｃ）は、液切れ発生領
域であって均一な流下状態が形成されない。FIG. 3 shows a result of an example showing a change in the state of the processing liquid. The apparatus shown in FIGS. 1 and 2 (the gap between the processing liquid dispersion nozzle (5) and the cylindrical body (1) to be processed) is shown in FIG. Is 1mm
In the case of (1), in order to visually observe the flow state of the liquid, a cylindrical body to be processed (1) made of transparent acrylic is used, water is used as the processing liquid, and the degree of pressure reduction and the flow rate are changed. This is the result of measurement. In FIG. 3, the area (A) is
There is a rise in the liquid level above the processing liquid dispersion nozzle (5) in the liquid level rising area, and (B) shows a stable area without rising above the processing liquid dispersion nozzle (5) and is uniform. (C) is a liquid shortage generation area, and a uniform flowing state is not formed.
【００１７】なお、上記において、隔壁板（２）の下部
側は相対的に負圧にし得れば足りるために、隔壁板
（２）の上部のみに区画空間（３）を形成して該区画空
間に加圧気体を導入するようにしてもよい。In the above, since it is sufficient that the lower side of the partition plate (2) can be made to have a relatively negative pressure, a partition space (3) is formed only in the upper portion of the partition plate (2). Pressurized gas may be introduced into the space.
【００１８】本発明の内面処理装置は、例えば、本出願
人が先に特願平２−１６９５４０号として提案した、電
子写真感光体の製造方法に好適に使用することができ
る。すなわち、上記の製造方法においては、陽極酸化被
膜を設けたアルミニウム円筒の内面の所定位置に例えば
水酸化ナトリウム水溶液を接触させて当該位置の陽極酸
化被膜を溶解除去して電子写真感光体用基体を得る。本
発明の内面処理装置は、以下の応用例に示すように、上
記のような陽極酸化被膜の溶解除去に有効に利用するこ
とができる。The inner surface treatment apparatus of the present invention can be suitably used, for example, in the method of manufacturing an electrophotographic photosensitive member previously proposed by the present applicant as Japanese Patent Application No. 2-169540. That is, in the above-mentioned manufacturing method, for example, an aqueous solution of sodium hydroxide is brought into contact with a predetermined position on the inner surface of the aluminum cylinder provided with the anodic oxide film to dissolve and remove the anodic oxide film at that position, thereby forming the electrophotographic photosensitive member substrate. obtain. The inner surface treatment apparatus of the present invention can be effectively used for dissolving and removing the anodic oxide film as described above as shown in the following application examples.
【００１９】[0019]
【応用例】硫酸ニッケルにより封孔処理された厚さ６μ
ｍの硫酸アルマイト被膜を有する直径３０ｍｍ、長さ２
６０ｍｍ、肉厚０．７５ｍｍのアルミニウム円筒基体を
被処理用筒状体（１）として用いた。また、処理液体分
散ノズル（５）の円筒体（１２）としては、被処理用筒
状体（１）との間隙が１．０ｍｍ、円筒体（１２）の上
端から被処理用筒状体（１）下端までの長さが７０ｍｍ
のものを使用した。先ず、上記の被処理用筒状体（１）
を受台（９）の下降傾斜面（１０）上に直立に配置し
た。次に、排気ブロアー（７）の駆動により下部の区画
空間（３）の減圧度を３５ｍｍＨ2 Ｏの状態となし、供
給管路（６）より６０℃の１０％水酸化ナトリウム水溶
液を３．０リットル／分の流量で２０秒間供給して処理
液体分散ノズル（５）より流出させた。次に、被処理用
筒状体（１）を内面処理装置より取り出し、全体を水洗
し、３％硫酸水溶液に２０秒間浸漬させ、更に水洗し、
９５℃の純水に４０秒間浸漬したのち、１０ｍｍ／秒の
速度で引き上げて乾燥させた。アルマイト被膜が除去さ
れた部分について導通テストを行なったところ、問題な
く導通し、電子写真感光体に用い得るアルミニウム円筒
基体が得られた。[Application example] 6μ thickness sealed with nickel sulfate
30 mm in diameter and 2 mm in length with a sulfuric anodized aluminum film
An aluminum cylindrical substrate having a thickness of 60 mm and a thickness of 0.75 mm was used as the tubular body (1) to be treated. Further, the cylindrical body (12) of the processing liquid dispersion nozzle (5) has a gap of 1.0 mm from the cylindrical body (1) to be processed, and the cylindrical body (12) from the upper end of the cylindrical body (12). 1) Length to lower end is 70mm
Was used. First, the tubular body to be processed (1)
Was placed upright on the downwardly inclined surface (10) of the cradle (9). Next, by driving the exhaust blower (7), the degree of pressure reduction in the lower partitioned space (3) is brought to a state of 35 mmH 2 O, and a 10% aqueous solution of sodium hydroxide at 60 ° C. and 3.0% is supplied from the supply pipe (6). The liquid was supplied at a flow rate of 1 liter / min for 20 seconds and flowed out of the processing liquid dispersion nozzle (5). Next, the processing target tubular body (1) is taken out from the inner surface treatment device, the whole is washed with water, immersed in a 3% sulfuric acid aqueous solution for 20 seconds, and further washed with water.
After being immersed in pure water at 95 ° C. for 40 seconds, it was pulled up at a speed of 10 mm / sec and dried. A conduction test was performed on the portion from which the alumite film was removed. As a result, an aluminum cylindrical substrate which was conducted without any problem and which could be used for an electrophotographic photosensitive member was obtained.
【００２０】[0020]
【発明の効果】以上説明した本発明によれば、処理液体
が被処理用筒状体の外表面に実質的に接触することなく
被処理用筒状体の内面の所定の位置のみに接触して各種
の処理を行い得るようになされた筒状体の内面処理装置
が提供される。そして、斯かる本発明の装置は、電子写
真感光体の製造工程を初めとする各種の分野において有
用であり、本発明の実用的価値は大きい。According to the present invention described above, the processing liquid contacts only a predetermined position on the inner surface of the tubular body without substantially contacting the outer surface of the tubular body. The present invention provides an inner surface treatment apparatus for a cylindrical body which can perform various kinds of processing. The apparatus of the present invention is useful in various fields such as a process for manufacturing an electrophotographic photosensitive member, and the present invention has a great practical value.
【図１】本発明の内面処理装置の一例の全体を示す側面
図である。FIG. 1 is a side view showing an entire example of an inner surface processing apparatus of the present invention.
【図２】本発明の内面処理装置の一例の要部を示す側面
図である。FIG. 2 is a side view showing a main part of an example of the inner surface processing apparatus of the present invention.
【図３】図１及び図２に示す装置において、被処理用筒
状体（１）として透明アクリル製のものを使用し、処理
液体として水を使用し、減圧度と流量とを変化させて得
た供給処理液体の状態変化を示す一例の結果であり、領
域（Ａ）は液面上昇領域、（Ｂ）は安定領域、（Ｃ）は
液切れ発生領域である。FIG. 3 shows an apparatus shown in FIGS. 1 and 2 in which a transparent acrylic material is used as the processing target cylindrical body (1), water is used as a processing liquid, and the degree of pressure reduction and the flow rate are changed. This is an example of a result showing a change in the state of the obtained supply processing liquid, in which a region (A) is a liquid level rising region, (B) is a stable region, and (C) is a liquid outbreak region.
（１）：被処理用筒状体 （２）：隔壁板 （３）：区画空間 （４）：貫通孔 （５）：処理液体分散ノズル （６）：処理液体の供給管路 （７）：負圧手段（排気ブロアー） (1): Tubular body to be processed (2): Partition plate (3): Partition space (4): Through hole (5): Processing liquid dispersion nozzle (6): Supply line of processing liquid (7): Negative pressure means (exhaust blower)
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B05C 7/00 - 7/08 B05D 7/22 G03G 5/05 102 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) B05C 7 /00-7/08 B05D 7/22 G03G 5/05 102
Claims (1)
理するための装置であって、隔壁板（２）によってその
上下の少なくとも一方に区画空間（３）が形成され、隔
壁板（２）に設けられた貫通孔（４）には、被処理用筒
状体（１）に嵌合する処理液体分散ノズル（５）が略直
立に配置され、処理液体分散ノズル（５）には、当該処
理液体分散ノズルに下部より処理液体を導入する処理液
体の供給管路（６）が接続され、そして、隔壁板（２）
の下部側を相対的に負圧にし得る負圧手段（７）が設け
られることにより、被処理用筒状体（１）を処理液体分
散ノズル（５）に嵌合した状態において、処理液体分散
ノズル（５）と被処理用筒状体（１）との間隙部を通し
て処理液体が流下し、被処理用筒状体（１）の内面の下
端側の所定部位のみに処理液体が接触する様になされて
いることを特徴とする筒状体の内面処理装置。An apparatus for treating an inner surface of a tubular body to be treated with a liquid, wherein a partition space (3) is formed at least in one of upper and lower sides by a partition plate (2) . is formed, the through hole provided in the partition plate (2) (4), the processing liquid distribution nozzle that fits into the processed tubular body (1) (5) is arranged substantially upright, processing liquid dispersion the nozzle (5), the processing
A processing liquid supply pipe line (6) for introducing the processing liquid from below into the processing liquid dispersion nozzle is connected to the partition wall plate (2).
Negative pressure means (7) is provided to make the lower side of the cylinder relatively negative.
As a result , the processing target cylindrical body (1) is separated from the processing liquid.
Disperse the processing liquid in the state fitted to the dispersing nozzle (5).
Through the gap between the nozzle (5) and the tubular body (1) to be treated
The processing liquid flows down, and the inner surface of the processing target cylindrical body (1)
The processing liquid is made to come into contact only with the predetermined part on the end side.
Inner surface treatment apparatus of the tubular body, characterized in that there.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18022491A JP3147932B2 (en) | 1991-06-25 | 1991-06-25 | Inner surface treatment device for cylindrical body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18022491A JP3147932B2 (en) | 1991-06-25 | 1991-06-25 | Inner surface treatment device for cylindrical body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05264A JPH05264A (en) | 1993-01-08 |
| JP3147932B2 true JP3147932B2 (en) | 2001-03-19 |
Family
ID=16079565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18022491A Expired - Fee Related JP3147932B2 (en) | 1991-06-25 | 1991-06-25 | Inner surface treatment device for cylindrical body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3147932B2 (en) |
-
1991
- 1991-06-25 JP JP18022491A patent/JP3147932B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05264A (en) | 1993-01-08 |
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