JPS6118043Y2 - - Google Patents
Info
- Publication number
- JPS6118043Y2 JPS6118043Y2 JP1981117574U JP11757481U JPS6118043Y2 JP S6118043 Y2 JPS6118043 Y2 JP S6118043Y2 JP 1981117574 U JP1981117574 U JP 1981117574U JP 11757481 U JP11757481 U JP 11757481U JP S6118043 Y2 JPS6118043 Y2 JP S6118043Y2
- Authority
- JP
- Japan
- Prior art keywords
- bodies
- resin
- metal oxide
- hard resin
- outer periphery
- 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
Links
- 229920005989 resin Polymers 0.000 claims description 33
- 239000011347 resin Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 claims description 21
- 229910000859 α-Fe Inorganic materials 0.000 claims description 20
- 229910044991 metal oxide Inorganic materials 0.000 claims description 14
- 150000004706 metal oxides Chemical class 0.000 claims description 14
- 238000004070 electrodeposition Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 125000002091 cationic group Chemical group 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 2
- 239000003973 paint Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000010405 anode material Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229920002050 silicone resin Polymers 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Coils Or Transformers For Communication (AREA)
Description
【考案の詳細な説明】
本考案は、カオチン型電着塗装法などに用いて
有用なフエライト電極に関するものである。[Detailed Description of the Invention] The present invention relates to a ferrite electrode useful for use in cationic electrodeposition coating methods and the like.
従来、アニオン型電着塗装法においては、陰電
極材料として、圧延鋼板、ステンレス鋼板などが
用いられているが、これらをカオチン型電着塗装
法の陽極材料としてそのまゝ用いた場合には、こ
の陽極材料が塗料中に溶出するために損傷が著し
く耐久性の点に問題があつた。 Conventionally, in the anionic electrodeposition coating method, rolled steel plates, stainless steel plates, etc. have been used as negative electrode materials, but when these are used as they are as the anode materials in the cationic electrodeposition coating method, This anode material was leached into the paint, causing significant damage and causing problems in terms of durability.
そこで、溶出し難い陽極材料として、sus316
などの高級ステンレス、白金などの貴金属、炭
素、黒鉛などよりなるものが提案されているが、
sus316などのステンレスは高価である上に若干
の溶出が避けられないこと、貴金属は極めて高価
でとても実用性のないこと、炭素、黒鉛は加工性
が悪いのみならず、脱落し易くそれが塗料中に混
入して塗膜表面に凸状のブツなどを作ることなど
の問題があつて、未だ十分とは言えなかつた。 Therefore, as an anode material that is difficult to elute, sus316
Materials made of high-grade stainless steel, precious metals such as platinum, carbon, graphite, etc. have been proposed.
Stainless steel such as SUS316 is expensive and some elution is unavoidable; precious metals are extremely expensive and impractical; carbon and graphite are not only difficult to work with, but also easily fall off, which can be absorbed into the paint. However, there were problems such as contamination and the formation of convex bumps on the surface of the coating film, and it was still not satisfactory.
一方、これに対し、メツキの分野では金属酸化
物焼結体すなわちフエライトからなる電極がメツ
キ用電極として使用されていた。このフエライト
は酸化鉄（Fe2O3）に鉄以外の金属酸化物ZnO、
CuO、MnO、NiOなど）を全重量の５〜40％混
合して焼結し、スピネル結晶としたものである。 On the other hand, in the plating field, electrodes made of metal oxide sintered bodies, that is, ferrite, have been used as plating electrodes. This ferrite consists of iron oxide (Fe 2 O 3 ), ZnO, a metal oxide other than iron,
CuO, MnO, NiO, etc.) are mixed in an amount of 5 to 40% of the total weight and sintered to form spinel crystals.
本出願人は、先に、このフエライト電極をカオ
チン型電着塗装法の陽極材料として用いると、極
めて良好であることを提案したが、この種従来の
フエライト電極の場合、金属酸化物焼結体を一端
を閉じた断面Ｕ字型の長尺な中空筒状に成形する
ことは難しく、一般に表面積の大きな電極を得る
ためには、例えば実開昭53−61413号で提案され
ているもの、すなわち第５図に示すように一端を
閉じた断面Ｕ字型の中空筒状のものと、両端を開
口した中空筒状のものとを接続して構成してい
た。すなわち、棒状の金属部材１′の外周に鉛、
はんだ、ドータイト（銀もしくはグラフアイト含
有のエポキシ樹脂）などの導電材料２′を介して
一端を閉じた金属酸化物焼結体３′ａと両端を開
口した金属酸化物焼結体３′ｂを嵌め込むなどし
て被覆させ、その接続部４′は、各焼結体３′ａ，
３′ｂを接合させる熱硬化性樹脂５′、この樹脂の
外周に設けられる塩化ビニールなどの硬質樹脂
６′、前記各樹脂５′，６′を覆う耐食性チユーブ
７′、このチユーブ７′の空隙部分を埋めるシリコ
ン樹脂８′よりなつている。 The present applicant previously proposed that this ferrite electrode is extremely good when used as an anode material for cationic electrodeposition coating, but in the case of this kind of conventional ferrite electrode, metal oxide sintered It is difficult to form a long hollow cylinder with a U-shaped cross section with one end closed, and in general, in order to obtain an electrode with a large surface area, the method proposed in Japanese Utility Model Application Publication No. 53-61413, i.e. As shown in FIG. 5, it was constructed by connecting a hollow cylinder with a U-shaped cross section with one end closed and a hollow cylinder with both ends open. That is, lead,
A metal oxide sintered body 3'a with one end closed and a metal oxide sintered body 3'b with both ends open are connected via a conductive material 2' such as solder or dotite (epoxy resin containing silver or graphite). The connecting portion 4' is covered with each sintered body 3'a,
A thermosetting resin 5' to which 3'b is bonded, a hard resin 6' such as vinyl chloride provided around the outer periphery of this resin, a corrosion-resistant tube 7' covering each of the resins 5' and 6', and a void in this tube 7'. It is made of silicone resin 8' that fills the part.
ところが、このシリコン樹脂８′は、カオチン
型電着塗料中に浸漬した場合、塗料中の有機溶剤
や有機酸に一部溶解したり、あるいは脱落が生
じ、塗料中に混入し、得られる塗膜はハジキなど
の凹状塗面となり問題があつた。 However, when this silicone resin 8' is immersed in a cationic electrocoating paint, it may partially dissolve in the organic solvent or organic acid in the paint, or it may fall off and be mixed into the paint, resulting in the resulting coating film being damaged. There was a problem with the concave painted surface such as repellency.
また、この問題を避けるべく、シリコン樹脂を
用いなかつた場合には、熱硬化性樹脂のみでの接
着性が不十分であり、曲げあるいは接着界面への
塗液の侵入があり、耐久性の点で不満足であつ
た。 In addition, in order to avoid this problem, if silicone resin is not used, the adhesion with thermosetting resin alone is insufficient, and there may be bending or intrusion of coating liquid into the adhesive interface, resulting in poor durability. I was dissatisfied with that.
本考案は、このような実情に鑑みて考案された
もので、その目的とするところは、表面積が大き
くかつ塗液中に浸漬しても接続部が溶解されたり
することのないフエライト電極を提供することに
ある。 The present invention was devised in view of these circumstances, and its purpose is to provide a ferrite electrode that has a large surface area and whose connecting parts do not dissolve even when immersed in a coating liquid. It's about doing.
かかる本考案の特徴は、分割された金属酸化物
焼結体の外周に該両者間に跨らせて筒状の硬質樹
脂体を嵌合し、該硬質樹脂体と金属酸化物焼結体
とを、該両者間の空隙内に充填した硬化性樹脂に
より一体化した点にある。 The feature of the present invention is that a cylindrical hard resin body is fitted to the outer periphery of the divided metal oxide sintered body, spanning between the two, and the hard resin body and the metal oxide sintered body are connected to each other. are integrated by a curable resin filled in the gap between the two.
以下、本考案の一実施例を図面により詳説す
る。 Hereinafter, one embodiment of the present invention will be explained in detail with reference to the drawings.
第１図は本考案のフエライト電極の全体を示
し、第２図はその要部を示すものである。 FIG. 1 shows the entire ferrite electrode of the present invention, and FIG. 2 shows its main parts.
１は銅、鉄、ステンレスなどの棒状金属部材
で、この外周にはそれぞれ鉛、はんだ、ドータイ
トなどの導電材料２を介して、一端を閉じた断面
Ｕ字型の中空筒状体としての金属酸化物焼結体３
ａと両端を開口した中空筒状体としての金属酸化
物焼結体３ｂを嵌め込むなどして被覆させてあ
る。そして、これら上下の各焼結体３ａ，３ｂの
対向する部分には樹脂被覆構造からなる接続部４
が設けてある。 1 is a rod-shaped metal member made of copper, iron, stainless steel, etc., and a metal oxidation member is formed as a hollow cylindrical body with a U-shaped cross section with one end closed, on the outer periphery of each with a conductive material 2 such as lead, solder, dotite, etc. Sintered body 3
A and a metal oxide sintered body 3b, which is a hollow cylindrical body with both ends open, are fitted and covered. At the opposing portions of these upper and lower sintered bodies 3a and 3b, there are connecting portions 4 having a resin-coated structure.
is provided.
この接続部４は、先ずテフロン、塩化ビニー
ル、ナイロンなどよりなる筒状の硬質樹脂体５
を、上記各焼結体３ａ，３ｂの対向する部分の外
周に跨がるようにして嵌合させ、この樹脂体５の
内面両側に設けた段部５ａ，５ａにテフロン、
皮、ゴムなどのＯリング６を挿入し、金属酸化物
焼結体３ａ，３ｂの外周に接触させると同時に、
両内側端縁に設けた雌ネジ部５ａ，５ｂに、同じ
くテフロン、塩化ビニールなどよりなる中空キヤ
ツプ状でその外周に雄ネジ７ａ，７ａを設けた硬
質樹脂体７，７を螺着させてある。この硬質樹脂
体７，７の螺着により、Ｏリング６…はその先端
により押圧され、外装の硬質樹脂体５と各焼結体
３ａ，３ｂを隙間なく密着させる。次に、このよ
うにして構造体を作製した後、液状硬化性樹脂
８、例えば２液硬化型のエポキシ樹脂、ポリエス
テル樹脂、塩化ビニールゾルなどの硬化性のある
液状樹脂を、上記各金属酸化物焼結体３ａ，３ｂ
と硬質樹脂体７，７との空隙部に流し込み、常温
もしくは加熱により硬化させる。尚、各焼結体３
ａ，３ｂの対向端面、金属部材１の外周、硬質樹
脂体５との空隙部には硬質樹脂体７，７を螺着す
る前に液状樹脂８を流し込んでおく。また、この
樹脂８は塗液中に溶出がない樹脂であれば、いず
れでもよい。 This connection part 4 first has a cylindrical hard resin body 5 made of Teflon, vinyl chloride, nylon, etc.
are fitted so as to straddle the outer periphery of the opposing portions of each of the sintered bodies 3a, 3b, and Teflon,
At the same time, an O-ring 6 made of leather or rubber is inserted and brought into contact with the outer periphery of the metal oxide sintered bodies 3a, 3b.
Hard resin bodies 7, 7 made of Teflon, vinyl chloride, etc. and having male screws 7a, 7a on the outer periphery are screwed onto the female threads 5a, 5b provided on both inner edges. . Due to the screwing of the hard resin bodies 7, 7, the O-rings 6 are pressed by their tips, and the hard resin body 5 of the exterior and each sintered body 3a, 3b are brought into close contact with each other without any gaps. Next, after producing the structure in this way, a liquid curable resin 8, such as a two-component curable epoxy resin, a polyester resin, or a vinyl chloride sol, is applied to each of the metal oxides. Sintered bodies 3a, 3b
and the hard resin bodies 7, 7, and harden at room temperature or by heating. In addition, each sintered body 3
Liquid resin 8 is poured into the opposing end surfaces of a and 3b, the outer periphery of the metal member 1, and the gap between the hard resin body 5 and the hard resin body 5 before screwing the hard resin bodies 7, 7 on. Further, this resin 8 may be any resin as long as it does not dissolve into the coating liquid.
この樹脂被覆構造により、接続部４の隙間はす
べて埋り、内部へ塗液が浸入することはなく、ま
た樹旨自体が塗液中に溶解していくこともない。
また接続部４の強度は曲げなどには硬化性樹脂８
の接着力と硬質樹脂体５，７，７の機械的強度で
補なわれるため十分なものが得られる。 Due to this resin coating structure, all the gaps in the connecting portion 4 are filled, the coating liquid does not intrude into the interior, and the resin itself does not dissolve into the coating liquid.
In addition, the strength of the connection part 4 is made using hardening resin 8 for bending, etc.
This is compensated by the adhesive strength of the hard resin bodies 5, 7, and the mechanical strength of the hard resin bodies 5, 7, and 7, so that a sufficient result can be obtained.
上記構成よりなるフエライト電極をカオチン型
電着塗装法において使用するには、例えば第３図
または第４図のようにして行なえばよい。第３図
の場合は、内面に塩化ビニール樹脂９などをライ
ニングした電着槽１０内に塗料を入れ、その塗料
１１中に浸漬された被塗装物１２、例えば自動車
ボデイーはジヨイント１３を経て直流電圧発生装
置１４の陰極に接続する一方、本考案のフエライ
ト電極は適宜本数、例えば被塗装物１２の左右側
面に夫々配置させ、上記直流電圧発生装置１２の
陽極に接続してある。第４図の場合は、フエライ
ト電極の一部を隔膜電極として混在させる場合
で、絶縁性の箱１５の一面に陰イオン交換樹脂膜
１６が装着され、この箱１５内に入れられた塗料
の中和剤例えば酢酸などの水希釈液よりなる極液
１７中に浸漬されている。 In order to use the ferrite electrode having the above structure in a cationic electrodeposition coating method, it may be carried out as shown in FIG. 3 or FIG. 4, for example. In the case of FIG. 3, a paint is put into an electrodeposition bath 10 whose inner surface is lined with vinyl chloride resin 9, etc., and an object 12 to be coated, such as an automobile body, immersed in the paint 11 receives a DC voltage through a joint 13. While connected to the cathode of the DC voltage generator 14, an appropriate number of ferrite electrodes of the present invention are arranged, for example, on the left and right sides of the object 12, respectively, and connected to the anode of the DC voltage generator 12. In the case of FIG. 4, a part of the ferrite electrode is mixed as a diaphragm electrode, and an anion exchange resin membrane 16 is attached to one side of an insulating box 15, and the paint contained in the box 15 is It is immersed in a polar liquid 17 made of a water-diluted solution of a Japanese additive such as acetic acid.
上記電着塗装法において、塗料としてパワート
ツプｕ−30（商品名、日本ペイント社製）を用
い、直流電圧250〜300Vを印加し、電着塗装を行
ない、約２年間継続した後、フエライト電極を調
べたところ、接合部の異常は全く認められず、得
られる電着塗膜も常時正常で好ましいものであつ
た。 In the above electrodeposition coating method, Power Top U-30 (trade name, manufactured by Nippon Paint Co., Ltd.) is used as the paint, and a DC voltage of 250 to 300 V is applied to perform electrodeposition coating. After continuing for about 2 years, a ferrite electrode is applied. Upon examination, no abnormalities were observed in the joints, and the electrodeposited coatings obtained were always normal and desirable.
尚、上記実施例はカオチン型電着塗装法の電極
について説明したが、本考案のフエライト電極は
これに限定されず、その他の電極としても使用で
きるものである。 Incidentally, in the above embodiments, an electrode for a cationic electrodeposition coating method was described, but the ferrite electrode of the present invention is not limited to this, and can be used as other electrodes.
以上の説明から明らかなように本考案によれば
良好なカオチン電着塗膜が得られ、かつ強度、塗
料浸漬耐久性に優れたフエライト電極を得ること
ができる。 As is clear from the above description, according to the present invention, a good cationic electrodeposited coating film can be obtained, and a ferrite electrode with excellent strength and paint immersion durability can be obtained.
第１図は本考案に係るフエライト電極の全体を
示す一部を縦断した正面図である。第２図は第１
図のフエライト電極の接続部を示す一半を断面と
した拡大正面図である。第３図は本考案に係るフ
エライト電極を用いたカオチン型電着塗装法の一
例を示す概略説明図である。第４図は第３図のカ
オチン型電着塗装法に用いるフエライト電極を隔
膜電極とした場合の一例を示す断面図である。第
５図は従来のフエライト電極を示す縦断面図であ
る。
１……金属部材、２……導電材料、３ａ，３ｂ
……金属酸化物焼結体、５……筒状の硬質樹脂
体、８……硬化性樹脂。
FIG. 1 is a partially longitudinally sectional front view showing the entire ferrite electrode according to the present invention. Figure 2 is the first
FIG. 3 is an enlarged front view, with one half in cross section, showing the connection portion of the ferrite electrode shown in the figure. FIG. 3 is a schematic diagram showing an example of a cationic electrodeposition coating method using a ferrite electrode according to the present invention. FIG. 4 is a sectional view showing an example of a diaphragm electrode used as a ferrite electrode used in the cationic electrodeposition coating method shown in FIG. FIG. 5 is a longitudinal sectional view showing a conventional ferrite electrode. 1... Metal member, 2... Conductive material, 3a, 3b
... Metal oxide sintered body, 5 ... Cylindrical hard resin body, 8 ... Curable resin.
Claims (1)
電性材料を介して分割された金属酸化物焼結体を
被覆してなるフエライト電極において、前記分割
された金属酸化物焼結体の外周に該両焼結体間に
跨らせて両内側端縁に雌ネジ部を設けた筒状の硬
質樹脂体を嵌合し、該筒状の硬質樹脂体の両端に
外周に雄ネジを設けた中空キヤツプ状の硬質樹脂
体を螺着させ、該筒状及びキヤツプ状の硬質樹脂
体と金属酸化物焼結体とを、これらの間の空隙内
に充填した硬化性樹脂により一体化したことを特
徴とするカオチン型電着塗装用フエライト電極。 In a ferrite electrode formed by covering a metal member as a center with divided metal oxide sintered bodies on the outer periphery of the metal member, the two sintered bodies are coated on the outer periphery of the divided metal oxide sintered bodies, respectively. A cylindrical hard resin body with female threads on both inner edges is fitted between the bodies, and a hollow cap shape is formed with male threads on the outer periphery at both ends of the cylindrical hard resin body. The cylindrical and cap-shaped hard resin bodies and the metal oxide sintered body are integrated by a hardening resin filled in the void between them. Ferrite electrode for cationic electrodeposition coating.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11757481U JPS5822977U (en) | 1981-08-07 | 1981-08-07 | ferrite electrode |
| US06/404,659 US4515674A (en) | 1981-08-07 | 1982-08-03 | Electrode for cationic electrodeposition coating |
| GB08308854A GB2114158B (en) | 1981-08-05 | 1982-08-05 | Electrode for use in cationic electrodeposition coating and coating method using the same |
| DE19823248932 DE3248932C2 (en) | 1981-08-05 | 1982-08-05 | Electrode for electrophoretic, cationic coating and use of the electrode |
| EP82902376A EP0093174B1 (en) | 1981-08-05 | 1982-08-05 | Electrode for use in cationic electrodeposition coating and coating method using the same |
| PCT/JP1982/000306 WO1983000511A1 (en) | 1981-08-05 | 1982-08-05 | Electrode for use in cationic electrodeposition coating and coating method using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11757481U JPS5822977U (en) | 1981-08-07 | 1981-08-07 | ferrite electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5822977U JPS5822977U (en) | 1983-02-12 |
| JPS6118043Y2 true JPS6118043Y2 (en) | 1986-06-02 |
Family
ID=29911741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11757481U Granted JPS5822977U (en) | 1981-08-05 | 1981-08-07 | ferrite electrode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5822977U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0322501Y2 (en) * | 1986-01-22 | 1991-05-16 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310344A (en) * | 1976-07-16 | 1978-01-30 | Mitsubishi Metal Corp | Magnetite electrode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5022212Y2 (en) * | 1972-04-18 | 1975-07-04 |
-
1981
- 1981-08-07 JP JP11757481U patent/JPS5822977U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310344A (en) * | 1976-07-16 | 1978-01-30 | Mitsubishi Metal Corp | Magnetite electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5822977U (en) | 1983-02-12 |
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