JPH0881573A - Method and equipment for surface treatment by corona discharge - Google Patents
Method and equipment for surface treatment by corona dischargeInfo
- Publication number
- JPH0881573A JPH0881573A JP24235694A JP24235694A JPH0881573A JP H0881573 A JPH0881573 A JP H0881573A JP 24235694 A JP24235694 A JP 24235694A JP 24235694 A JP24235694 A JP 24235694A JP H0881573 A JPH0881573 A JP H0881573A
- Authority
- JP
- Japan
- Prior art keywords
- discharge
- corona discharge
- flame
- discharge electrode
- air
- 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.)
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Links
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、プラスチック成形品等
の表面の水分濡れ性（親水性）や、印刷インク、接着
剤、塗料等の付着性などを高めるために、その表面をコ
ロナ放電により改質するコロナ放電による表面処理方法
及びその装置に関する。BACKGROUND OF THE INVENTION The present invention uses corona discharge to improve the wettability (hydrophilicity) of the surface of plastic molded articles and the adhesion of printing inks, adhesives, paints, etc. TECHNICAL FIELD The present invention relates to a surface treatment method and a device for corona discharge for modification.
【０００２】[0002]
【従来の技術】従来、この種のコロナ放電処理装置の一
つとして特開昭６２−１０６９３４号公報に記載のもの
があった。この装置は、放電電極の放電効率を高めるた
めに、その先端部を球形とし、この球面に、溝や孔や突
起などによる多数の凹凸を設けたものである。2. Description of the Related Art Conventionally, as one of corona discharge treatment apparatuses of this type, there is one disclosed in Japanese Patent Laid-Open No. 62-106934. In this device, in order to improve the discharge efficiency of the discharge electrode, the tip portion thereof has a spherical shape, and the spherical surface is provided with a large number of irregularities such as grooves, holes and protrusions.
【０００３】[0003]
【発明が解決しようとする課題】しかし、これによる
と、放電電極先端部の加工が面倒である。また、その先
端での放電効率は向上するとしても、処理対象物の表面
の改質性能を決めるのは、あくまでも浴びせる炎の量
（以下、浴炎量という）とその面積（以下、浴炎面積と
いう）であり、更に均質な処理を行うためには均一に浴
炎しなければならないところ、これらの点については特
に期待できない。また、炎に任意の方向へ指向性を与え
ることもできない。However, according to this, the machining of the tip of the discharge electrode is troublesome. Even if the discharge efficiency at the tip is improved, the surface reforming performance of the object to be treated is determined only by the amount of flame to be exposed (hereinafter referred to as bath flame amount) and its area (hereinafter referred to as bath flame area). However, in order to carry out a more uniform treatment, it is necessary to uniformly bathe the flame. However, these points cannot be expected. Also, it is not possible to give the flame directivity in any direction.
【０００４】本発明の目的は、コロナ放電処理する対象
物に対して、浴炎量及び浴炎面積を容易に拡大できるば
かりでなく、均一に浴炎でき、しかも炎に任意の方向へ
指向性を与えることができ、また処理対象物に凹凸があ
っても、その凹凸面に沿って炎を行き渡らせることがで
き、かつ放電電極と処理対象物との距離を十分に確保す
る必要である場合の要求にも簡単に対応できるようにす
ることにある。The object of the present invention is not only to easily increase the amount and area of the bath flame for an object to be subjected to corona discharge treatment, but also to make the bath flame uniform and direct the flame in any direction. When the object to be processed has unevenness, the flame can be spread along the uneven surface, and it is necessary to secure a sufficient distance between the discharge electrode and the object to be processed. It is to be able to easily meet the requirements of.
【０００５】[0005]
【課題を解決するための手段】本発明によるコロナ放電
処理方法では、放電電極からの炎に対し、処理対象物へ
向かう方向にエアーを噴射する。エアー噴射は、放電電
極の先端に設けられたエアー噴射口からでも、また放電
電極を保持したホルダからでもよい。In the corona discharge treatment method according to the present invention, air is jetted toward the object to be treated against the flame from the discharge electrode. The air may be jetted from an air jet port provided at the tip of the discharge electrode or from a holder holding the discharge electrode.
【０００６】高電圧を印加する第１の放電電極の近傍に
高電圧を印加しない第２の放電電極を配置すると、第１
の放電電極からのコロナ放電により第２の放電電極にも
コロナ放電が誘発され、第１の放電電極による浴炎範囲
が拡大するとともに、浴炎量も増える。この場合、第１
及び第２の両放電電極又はそのホルダからエアーを噴射
する。When a second discharge electrode to which a high voltage is not applied is arranged near the first discharge electrode to which a high voltage is applied,
Corona discharge is also induced in the second discharge electrode by the corona discharge from the discharge electrode, and the range of the bath flame due to the first discharge electrode is expanded and the amount of the bath flame is increased. In this case, the first
And air is jetted from both the second discharge electrodes or the holder thereof.
【０００７】また、本発明によるコロナ放電処理装置
は、放電電極を、先端が丸まったピン状とし、その先端
に、エアーを噴射するエアー噴射口を設け、又は、ピン
状の放電電極を中空のホルダの先端面に突設するととも
に、この先端面に複数のエアー噴射孔を設けたものであ
る。或いは、炎に対してエアーを噴射するエアーノズル
を別に備えたものであってもよい。Further, in the corona discharge treatment apparatus according to the present invention, the discharge electrode is formed into a pin shape having a rounded tip and an air jet port for jetting air is provided at the tip, or the pin-shaped discharge electrode is hollow. The holder is formed so as to project from the tip surface of the holder, and a plurality of air injection holes are provided on the tip surface. Alternatively, an air nozzle for injecting air to the flame may be separately provided.
【０００８】[0008]
【作用】放電電極からの炎に対し、処理対象物へ向かう
方向にエアーを噴射すると、炎を放電電極から処理対象
物へ強制誘導する経路が形成されたようになり、炎を処
理対象物へ向かって推進させて遠方まで延ばすことがで
きる。また、処理対象物表面に当たった炎を、その表面
に沿って拡げることができるとともに、凹凸部分の隅部
までも当てることができる。放電電極自体は固定でも、
エアー噴射の圧力や角度等を調整することにより、浴炎
量や浴炎範囲や浴炎方向等を容易に調整できる。[Function] When air is jetted toward the object to be processed against the flame from the discharge electrode, a path for forcibly guiding the flame from the discharge electrode to the object to be processed is formed, and the flame is directed to the object to be processed. It can be propelled toward and extended to a distance. Further, the flame hitting the surface of the object to be treated can be spread along the surface and can be applied even to the corners of the uneven portion. Even if the discharge electrode itself is fixed,
By adjusting the pressure and angle of the air jet, the amount of bath flame, bath flame range, bath flame direction, etc. can be easily adjusted.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００１０】図１は本発明の第１実施例を示す。この例
では、金属製の放電電極１を、先端が丸まった中空のピ
ン状とし、その先端に、エアーを噴射するエアー噴射口
２を設けている。そして、この放電電極１を、中空の絶
縁ホルダ３の先端面４の中央に突設して一個の放電プロ
ーブ５Ａとしたもので、放電電極１に、高圧ケーブル
（図示省略）を介して高電圧を印加できるとともに、放
電電極１の先端のエアー噴射口２から絶縁ホルダ３を通
じてエアーを噴射できるようになっている。FIG. 1 shows a first embodiment of the present invention. In this example, the metal discharge electrode 1 has a hollow pin shape with a rounded tip, and an air jet port 2 for jetting air is provided at the tip. Then, the discharge electrode 1 is provided at the center of the tip surface 4 of the hollow insulating holder 3 to form a single discharge probe 5A. The discharge electrode 1 is supplied with a high voltage through a high voltage cable (not shown). Is applied, and air can be jetted from the air jet port 2 at the tip of the discharge electrode 1 through the insulating holder 3.
【００１１】この第１実施例の場合、アース導体（アー
スした導電板）６ａの表面に誘電体層６ｂを形成した台
板６上に処理対象物Ｗを置き、放電電極１の先端をこの
処理対象物Ｗの表面から離した状態でコロナ放電を生じ
させながら、エアー噴射口２からエアーを噴射すると、
放電電極１の丸まった先端から放射する炎７は、その中
心から噴射されるエアーにより推進されて遠方まで長く
延び、処理対象物Ｗの表面に当たるとエアーの流れに従
って処理対象物Ｗの表面に沿って拡がる。処理対象物Ｗ
の表面が例えば図２に示すように凸面（球面）になって
いると、その凸面の頂部に当たった炎７は、そこから全
方向に流れ落ちるように拡がり、また図３に示すように
処理対象物Ｗの表面が凹面になっていると、その中心か
ら隅部へ向かって拡がり、更に隅部から周面を這い上が
るようにして流れるので、このような表面でも全体均一
にコロナ放電処理できる。In the case of the first embodiment, the object W to be treated is placed on the base plate 6 having the dielectric layer 6b formed on the surface of the earth conductor (earthed conductive plate) 6a, and the tip of the discharge electrode 1 is subjected to this treatment. When air is jetted from the air jet port 2 while generating corona discharge in a state of being separated from the surface of the object W,
The flame 7 radiated from the rounded tip of the discharge electrode 1 is propelled by the air jetted from the center thereof and extends to a long distance. When it hits the surface of the processing object W, it follows the surface of the processing object W according to the flow of air. Spread. Processing object W
2 has a convex surface (spherical surface) as shown in FIG. 2, the flame 7 hitting the top of the convex surface spreads in such a way as to flow down in all directions, and as shown in FIG. When the surface of the object W is a concave surface, it spreads from the center to the corner, and further flows up from the corner to the peripheral surface, so that even such a surface can be uniformly treated by corona discharge.
【００１２】図４は本発明の第２実施例を示す。この例
の放電プローブ５Ｂは、放電電極１を、先端が丸まった
中実のピン状とし、これを中空の絶縁ホルダ３の先端面
４の中央に突設し、放電電極１の周りにおいてこの先端
面４に複数のエアー噴射孔８を設けたものである。この
場合、放電電極１自体からはエアーは噴射しないで、絶
縁ホルダ３の先端面４の複数のエアー噴射孔８から放電
電極１の周りにエアーを噴射する。なお、放電電極１を
図１と同様の構造にしてその先端からもエアーを噴射す
るようにしても良い。FIG. 4 shows a second embodiment of the present invention. In the discharge probe 5B of this example, the discharge electrode 1 is formed into a solid pin shape with a rounded tip, and this is projectingly provided at the center of the tip surface 4 of the hollow insulating holder 3, and the tip is formed around the discharge electrode 1. The surface 4 is provided with a plurality of air injection holes 8. In this case, the air is not jetted from the discharge electrode 1 itself, but the air is jetted around the discharge electrode 1 from the plurality of air jet holes 8 in the tip surface 4 of the insulating holder 3. The discharge electrode 1 may have a structure similar to that shown in FIG. 1, and air may be jetted from the tip thereof.
【００１３】図５は本発明の第３実施例を示す。この例
では、先端が丸まった中実のピン状放電電極１を、絶縁
ホルダ３の先端面４の中央に突設して一個の放電プロー
ブ５Ｃとし、この放電プローブ５Ｃからはエアーは噴射
しないで、別にエアーノズル９を用意し、このエアーノ
ズル９からエアーを噴射して放電電極１からの炎７を処
理対象物へ向けて推進するようにしたものである。FIG. 5 shows a third embodiment of the present invention. In this example, the solid pin-shaped discharge electrode 1 having a rounded tip is provided at the center of the tip surface 4 of the insulating holder 3 to form one discharge probe 5C, and air is not jetted from this discharge probe 5C. Separately, an air nozzle 9 is prepared, and air is jetted from this air nozzle 9 to propel the flame 7 from the discharge electrode 1 toward the object to be treated.
【００１４】なお、エアーノズル９を、第１実施例の放
電プローブ５Ａ又は第２実施例のプローブ５Ｂと組み合
わせて使用すれば、炎７の方向等をエアーノズル９によ
って調整することができる。If the air nozzle 9 is used in combination with the discharge probe 5A of the first embodiment or the probe 5B of the second embodiment, the direction of the flame 7 can be adjusted by the air nozzle 9.
【００１５】図６は本発明の第４実施例を示す。この例
では、第２実施例の放電プローブ５Ｂと同じ放電プロー
ブを２本使用し、一方の放電プローブ５Ｄには高電圧を
印加し、他方の放電プローブ５Ｅは、高電圧を印加しな
いで一方の放電プローブ５Ｄの近傍に斜めに配置する。
エアー噴射孔８からのエアー噴射は両放電プローブ５Ｄ
・５Ｅから同時に行う。一方の放電プローブ５Ｄの放電
電極１からコロナ放電が生ずると、その放電電流が他方
の放電プローブ５Ｅの放電電極１に流れてこの放電プロ
ーブ５Ｅの放電電極１にもコロナ放電が誘発され、一方
の放電プローブ５Ｄの放電電極１からの炎７に、他方の
放電プローブ５Ｅの放電電極１からの炎７ａも加わり、
浴炎範囲が拡大するとともに、浴炎量も増える。この場
合、他方の放電プローブ５Ｅにも高電圧を印加すると、
両放電プローブ５Ｄ・５Ｅが近接しているため互いに干
渉して逆効果となる。FIG. 6 shows a fourth embodiment of the present invention. In this example, the same two discharge probes as the discharge probe 5B of the second embodiment are used, one discharge probe 5D is applied with a high voltage, and the other discharge probe 5E is applied with no high voltage. It is diagonally arranged near the discharge probe 5D.
Air discharge from the air injection hole 8 is performed by both discharge probes 5D.
・ Start from 5E at the same time. When corona discharge is generated from the discharge electrode 1 of one discharge probe 5D, the discharge current flows to the discharge electrode 1 of the other discharge probe 5E, and corona discharge is also induced in the discharge electrode 1 of this discharge probe 5E. The flame 7 from the discharge electrode 1 of the discharge probe 5D is added to the flame 7 from the discharge electrode 1 of the discharge probe 5D,
As the bath flame range expands, so does the amount of bath flame. In this case, if a high voltage is applied to the other discharge probe 5E,
Since both discharge probes 5D and 5E are close to each other, they interfere with each other and have an opposite effect.
【００１６】上記４例の放電プローブ５Ａ・５Ｂ・５Ｃ
・５Ｄのいずれについても、処理対象物に対して垂直に
指向させないで斜めに指向させてもよく、また図７に示
すように、処理対象物の大きさや数や形状等に応じた本
数の放電プローブを所要の間隔をおいて配置し、これら
に高圧ケーブル１０を介して高電圧を印加して同時にコ
ロナ放電を起こすようにしてもよい。Discharge probes 5A, 5B, 5C of the above four examples
In any of 5D, the discharge may be directed obliquely instead of vertically to the object to be processed, and as shown in FIG. 7, the number of discharges according to the size, number, shape, etc. of the object to be processed. Alternatively, the probes may be arranged at a required interval, and a high voltage may be applied to them through the high voltage cable 10 to cause corona discharge at the same time.
【００１７】図２に示した放電プローブ５Ｂを使用して
図８及び図９に示すような実験を行った。図８の実験
は、高さ５５ｍｍ、直径１７０ｍｍのポリプロピレン製
の丼１１を逆さに伏せた状態で台板６上に置き、この丼
１１を回転させながら、斜めにした放電プローブ５Ｂの
放電電極１からコロナ放電の炎７を丼１１の表面に浴び
せた。この場合、放電電極１と台板６との間隔を７０ｍ
ｍ、放電電極１に交流高電圧を印加する電源の電力を８
４Ｖ×８．３Ａ（６９７Ｗ）、周波数を４０．６ＫＨ
ｚ、噴射するエアー圧を０．８Ｋｇ／ｃｍ2 とし、丼１
１を１回転８秒の回転速度で３回転させて２４秒間処理
したところ、処理前は濡れ性が３１ダイン／ｃｍであっ
たのが５４ダイン／ｃｍに向上した。Experiments as shown in FIGS. 8 and 9 were conducted using the discharge probe 5B shown in FIG. In the experiment of FIG. 8, a polypropylene bowl 11 having a height of 55 mm and a diameter of 170 mm is placed upside down on the base plate 6, and while the bowl 11 is rotated, the discharge electrode 1 of the discharge probe 5B is slanted. The corona discharge flame 7 was poured on the surface of the bowl 11. In this case, the distance between the discharge electrode 1 and the base plate 6 is 70 m.
m, the power of the power supply for applying an AC high voltage to the discharge electrode 1 is 8
4V x 8.3A (697W), frequency 40.6KH
z, the air pressure to be sprayed was 0.8 kg / cm 2 , and the bowl 1
When No. 1 was rotated 3 times at a rotation speed of 8 seconds and treated for 24 seconds, the wettability before treatment was 31 dynes / cm, but was improved to 54 dynes / cm.
【００１８】図９の実験は、高さ１００ｍｍ、胴部の直
径８０ｍｍの広口ガラスびん１２を台板６上に置き、放
電電極１と台板６との間隔を１２０ｍｍ、電源の電力を
８８Ｖ×９．５Ａ（８３６Ｗ）、周波数を４０．６ＫＨ
ｚ、噴射するエアー圧を０．８Ｋｇ／ｃｍ2 とし、２秒
間処理したところ、処理前は濡れ性が３３ダイン／ｃｍ
であったのに５２ダイン／ｃｍに向上した。In the experiment shown in FIG. 9, a wide-mouth glass bottle 12 having a height of 100 mm and a body diameter of 80 mm was placed on the base plate 6, the distance between the discharge electrode 1 and the base plate 6 was 120 mm, and the power of the power source was 88 V ×. 9.5A (836W), frequency 40.6KH
z, the air pressure to be sprayed was 0.8 Kg / cm 2, and the wettability was 33 dynes / cm before the treatment for 2 seconds.
However, it improved to 52 dynes / cm.
【００１９】[0019]
【発明の効果】本発明によれば、炎を、エアー噴射によ
り処理対象物へ向かって推進させるので、処理対象物に
対して、浴炎量及び浴炎面積を容易に拡大できるばかり
でなく、均一に浴炎でき、しかも炎に任意の方向へ指向
性を与えることができるので、コロナ放電処理効率の向
上が図れるとともに、均一に処理できるようになる。ま
た、処理対象物に凹凸があっても、その凹凸面に沿って
炎を行き渡らせてコロナ放電処理できる。更に、放電電
極と処理対象物との距離を十分に確保する必要である場
合の要求にも簡単に対応でき、また放電電極自体は固定
でも、エアー噴射の圧力や角度等を調整することによ
り、浴炎量や浴炎範囲や浴炎方向等を容易に調整でき
る。According to the present invention, since the flame is propelled toward the object to be treated by the air injection, not only the amount of the bath flame and the area of the bath flame can be easily expanded with respect to the object to be treated, but also Since the bath flame can be uniformly applied and the directivity can be given to the flame in an arbitrary direction, the corona discharge treatment efficiency can be improved and the treatment can be performed uniformly. Further, even if the object to be treated has irregularities, the flame can be spread along the irregular surface to perform corona discharge treatment. Furthermore, it is possible to easily meet the demand when it is necessary to secure a sufficient distance between the discharge electrode and the object to be treated, and even if the discharge electrode itself is fixed, by adjusting the pressure or angle of air injection, The amount of bath flame, bath flame range, bath flame direction, etc. can be easily adjusted.
【００２０】高電圧を印加する第１の放電電極の近傍に
高電圧を印加しない第２の放電電極を配置すると、第１
の放電電極からのコロナ放電により第２の放電電極にも
コロナ放電が誘発され、第１の放電電極による浴炎範囲
が拡大するとともに、浴炎量も増えるので、電力消費を
節減した効率的なコロナ処理を行える。When a second discharge electrode to which a high voltage is not applied is arranged near the first discharge electrode to which a high voltage is applied,
Corona discharge is also induced in the second discharge electrode by the corona discharge from the first discharge electrode, the range of the bath flame by the first discharge electrode is expanded, and the amount of the bath flame is also increased. Corona treatment is possible.
【図１】本発明の第１実施例の表面処理装置の要部の斜
視図である。FIG. 1 is a perspective view of a main part of a surface treatment apparatus according to a first embodiment of the present invention.
【図２】図１の表面処理装置で処理対象物の凸面を処理
している状態を示す斜視図である。FIG. 2 is a perspective view showing a state where the convex surface of the processing object is processed by the surface processing apparatus of FIG.
【図３】同じく凹面を処理している状態を示す斜視図で
ある。FIG. 3 is a perspective view showing a state in which the concave surface is also processed.
【図４】本発明の第２実施例の表面処理装置の要部の斜
視図である。FIG. 4 is a perspective view of a main part of a surface treatment apparatus according to a second embodiment of the present invention.
【図５】本発明の第３実施例の表面処理装置の要部の斜
視図である。FIG. 5 is a perspective view of a main part of a surface treatment apparatus according to a third embodiment of the present invention.
【図６】本発明の第４実施例の表面処理装置の要部の斜
視図である。FIG. 6 is a perspective view of a main part of a surface treatment apparatus according to a fourth embodiment of the present invention.
【図７】複数の放電プローブを使用した使用例を示す側
面図である。FIG. 7 is a side view showing a usage example using a plurality of discharge probes.
【図８】ポリプロピレン製の丼をコロナ放電処理した実
験例を示す図である。FIG. 8 is a diagram showing an experimental example in which a polypropylene bowl is subjected to corona discharge treatment.
【図９】広口ガラスびんをコロナ放電処理した実験例を
示す図である。FIG. 9 is a view showing an experimental example in which a wide-mouth glass bottle is subjected to corona discharge treatment.
１ 放電電極 ２ エアー噴射口 ３ 絶縁ホルダ ４ 先端面 ６ 台板 ７ 炎 ８ エアー噴射孔 ９ エアーノズル Ｗ 処理対象物 1 Discharge electrode 2 Air injection port 3 Insulation holder 4 Tip surface 6 Base plate 7 Flame 8 Air injection hole 9 Air nozzle W Object to be processed
Claims (7)
を処理対象物に浴びせるコロナ放電による表面処理方法
において、前記放電電極からの炎に対し、処理対象物へ
向かう方向にエアーを噴射することを特徴とするコロナ
放電による表面処理方法。1. A surface treatment method by corona discharge in which a flame from a discharge electrode generated by a corona discharge is exposed to an object to be treated, in which air is jetted toward the object to be treated against the flame from the discharge electrode. A surface treatment method by corona discharge characterized by the above.
からエアーを噴射することを特徴とする請求項１に記載
のコロナ放電による表面処理方法。2. The surface treatment method by corona discharge according to claim 1, wherein air is jetted from an air jet port provided at the tip of the discharge electrode.
射することを特徴とする請求項１に記載のコロナ放電に
よる表面処理方法。3. The surface treatment method by corona discharge according to claim 1, wherein air is jetted from a holder holding a discharge electrode.
を処理対象物に浴びせるコロナ放電による表面処理方法
において、高電圧を印加する第１の放電電極の近傍に高
電圧を印加しない第２の放電電極を配置し、第１の放電
電極からのコロナ放電により第２の放電電極にもコロナ
放電を誘発させながら、これら両放電電極又はそのホル
ダからエアーを噴射することを特徴とするコロナ放電に
よる表面処理方法。4. A surface treatment method by corona discharge in which a flame from a discharge electrode generated by a corona discharge is exposed to an object to be treated, wherein a second high voltage is not applied in the vicinity of the first discharge electrode. A corona discharge is provided in which discharge electrodes are arranged and air is jetted from both discharge electrodes or their holders while inducing corona discharge in the second discharge electrode by corona discharge from the first discharge electrode. Surface treatment method.
起こし、該放電電極からの炎を処理対象物に浴びせるコ
ロナ放電による表面処理装置において、前記放電電極
を、先端が丸まった中空のピン状とし、その先端に、エ
アーを噴射するエアー噴射口を設けたことを特徴とする
コロナ放電による表面処理装置。5. A surface treatment apparatus by corona discharge in which a high voltage is applied to a discharge electrode to cause a corona discharge and a flame from the discharge electrode is exposed to an object to be treated. A surface treatment device by corona discharge, which is pin-shaped and has an air injection port for injecting air at its tip.
起こし、該放電電極からの炎を処理対象物に浴びせるコ
ロナ放電による表面処理装置において、ピン状の放電電
極を中空のホルダの先端面に突設するとともに、この先
端面に複数のエアー噴射孔を設けたことを特徴とするコ
ロナ放電による表面処理装置。6. A corona discharge surface treatment apparatus in which a high voltage is applied to a discharge electrode to cause a corona discharge, and a flame from the discharge electrode is exposed to an object to be treated, and a pin-shaped discharge electrode is provided at the tip of a hollow holder. A surface treatment device by corona discharge characterized in that a plurality of air injection holes are provided on the tip surface while projecting on the surface.
起こし、該放電電極からの炎を処理対象物に浴びせるコ
ロナ放電による表面処理装置において、放電電極からの
炎に対し、処理対象物へ向かう方向にエアーを噴射する
エアーノズルを別に備えたことを特徴とするコロナ放電
による表面処理装置。7. A surface treatment apparatus using corona discharge in which a high voltage is applied to a discharge electrode to cause corona discharge and the flame from the discharge electrode is exposed to the object to be treated. A surface treatment apparatus by corona discharge, characterized in that an air nozzle for injecting air in a direction toward is additionally provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24235694A JPH0881573A (en) | 1994-09-12 | 1994-09-12 | Method and equipment for surface treatment by corona discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24235694A JPH0881573A (en) | 1994-09-12 | 1994-09-12 | Method and equipment for surface treatment by corona discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0881573A true JPH0881573A (en) | 1996-03-26 |
Family
ID=17087977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24235694A Pending JPH0881573A (en) | 1994-09-12 | 1994-09-12 | Method and equipment for surface treatment by corona discharge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0881573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6522150B2 (en) | 2000-04-14 | 2003-02-18 | Keyence Corporation | Corona discharge apparatus |
| JP2008021543A (en) * | 2006-07-13 | 2008-01-31 | Kasuga Electric Works Ltd | Corona surface treatment device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147060A (en) * | 1974-10-21 | 1976-04-22 | Takano Denki Kogyo Kk | KOSHUHAKORONAHODENSHORISOCHI |
| JPS58222118A (en) * | 1982-06-17 | 1983-12-23 | Mitsubishi Paper Mills Ltd | Method and apparatus for corona discharge treatment |
| JPS62149731A (en) * | 1985-12-25 | 1987-07-03 | Nippon Paint Co Ltd | Device for corona discharge treatment |
-
1994
- 1994-09-12 JP JP24235694A patent/JPH0881573A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5147060A (en) * | 1974-10-21 | 1976-04-22 | Takano Denki Kogyo Kk | KOSHUHAKORONAHODENSHORISOCHI |
| JPS58222118A (en) * | 1982-06-17 | 1983-12-23 | Mitsubishi Paper Mills Ltd | Method and apparatus for corona discharge treatment |
| JPS62149731A (en) * | 1985-12-25 | 1987-07-03 | Nippon Paint Co Ltd | Device for corona discharge treatment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6522150B2 (en) | 2000-04-14 | 2003-02-18 | Keyence Corporation | Corona discharge apparatus |
| JP2008021543A (en) * | 2006-07-13 | 2008-01-31 | Kasuga Electric Works Ltd | Corona surface treatment device |
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