WO2020246605A1 - Coating film removing tool - Google Patents

Coating film removing tool Download PDF

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Publication number
WO2020246605A1
WO2020246605A1 PCT/JP2020/022413 JP2020022413W WO2020246605A1 WO 2020246605 A1 WO2020246605 A1 WO 2020246605A1 JP 2020022413 W JP2020022413 W JP 2020022413W WO 2020246605 A1 WO2020246605 A1 WO 2020246605A1
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WO
WIPO (PCT)
Prior art keywords
coating film
removing tool
film removing
electrolytic solution
base material
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PCT/JP2020/022413
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French (fr)
Japanese (ja)
Inventor
環 川元
健吾 卜部
千博 加藤
茉友 椎名
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日本ペイントホールディングス株式会社
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Publication of WO2020246605A1 publication Critical patent/WO2020246605A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/10Hand tools for removing partially or for spreading or redistributing applied liquids or other fluent materials, e.g. colour touchers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/14Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D9/00Chemical paint or ink removers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging

Definitions

  • the coating film removing tool 1A After connecting to the power supply device 104, the coating film removing tool 1A is sent to the front side in the traveling direction along the conductive base material 101. At this time, by gripping the grip portion 53, the user can send the coating film removing tool 1A to the front side in the traveling direction as shown by the arrow in FIG. Specifically, the user brings the insertion portion 3 of the coating film removing tool 1A into contact with the coating film forming surface 101f of the conductive base material 101, and as it is, the coating film removing tool follows the coating film forming surface 101f. Advance 1A.
  • the coating film removing tool 1B does not have a gap C between the electrolysis electrode 2 and the insulating portion 4.
  • the electrolysis electrode 2 is an electrolysis electrode extending in the width direction.
  • the electrolysis electrode 2 is attached to the insulating portion 4. Specifically, the surface 2f3 on the back side of the electrode 2 for electrolysis and the surface 4f1 on the front side of the insulating portion 4 are in close contact with each other without any gap.
  • the coating film removing tool is spread over two or more support portions extending in the traveling direction of the coating film removing tool as in each of the above-described embodiments. It can be made up of the linear members. In this case, a wide range of the coating film 102 can be removed with a simple configuration in which a linear member is hung between a plurality of support portions.
  • FIG. 14 shows a modified example of the frame 5 of the coating film removing tool according to the present invention. Similar to each of the above-described embodiments, the frame 5 assumes a case where the coating film forming surface 101f of the conductive base material 101 is a flat surface. The frame 5 directly connects the rear ends of the two arm portions 51. Therefore, the frame 5 of FIG. 14 has a simple configuration in which the connecting portion 52 is omitted. In the frame 5, the electrolytic solution stopper portion is composed of two arm portions 51.
  • the linear member 3c is hung on four arm portions 51.
  • the linear member 3c is effective when the coating film forming surface 101f of the conductive base material 101 is a cylindrical surface.
  • the linear member 3c can be a linear member spanned by two or more arm portions 51.
  • the insertion portion 3 may be composed of a linear member extending in the traveling direction of the coating film removing tool.
  • the coating film 102 in the fine portion can be removed by a simple configuration in which the linear member is extended in the traveling direction of the coating film removing tool.
  • FIG. 17 shows another modification of the frame 5 of the coating film removing tool according to the present invention, as well as another modification of the insertion portion 3.
  • This frame 5 is the same frame as the coating film removing tools 1A and 1B.
  • the insertion portion 3 is a linear member 3d extending along the extending direction of the arm portion 51.
  • the insertion portion 3 includes a plurality of linear members 3d.
  • the linear member 3d is effective when the coating film forming surface 101f of the conductive base material 101 is an uneven surface. Further, the linear member 3d is effective not only when the coating film forming surface 101f of the conductive base material 101 is an uneven surface, but also when removing the coating film 102 formed at the corners of bolts and nuts. Is.
  • the arm portion 51 can be omitted.
  • FIG. 18 shows another modification of the insertion portion 3 together with the frame 5 of the coating film removing tool according to the present invention.
  • the insertion portion 3 includes a plurality of insertion portions.
  • the plurality of insertion portions 3 include a linear member 3a and a linear member 3d.
  • the plurality of insertion portions 3 includes one linear member 3a and a plurality of linear members 3d.
  • the frame 5 is the same frame as in FIG.
  • the plurality of linear members 3d remove the coating film 102 on the fine portion (for example, the above-mentioned uneven surface portion) of the coating film forming surface 101f of the conductive base material 101.
  • one linear member 3a removes a wide range of the coating film 102.
  • FIG. 19 schematically shows an example of an electrolysis reaction that can be caused by using the coating film removing tool according to the present invention.
  • the electrolytic solution 103 as an example generates herodoxy radicals in the vicinity of the interface B between the conductive base material 101 and the coating film 102 by its electrolysis reaction, and the hiro The bond between the conductive base material 101 and the coating film 102 is broken by the doxy radical.
  • an electrolytic solution 103 for example, a water-soluble polymer compound, an electrolyte, comprising: a water, a viscosity at 0.1 S -1 is not more than 20 Pa ⁇ s or more 5000 Pa ⁇ s, the viscosity at 100S -1 However, those having 0.0001 Pa ⁇ s or more and 40 Pa ⁇ s or less can be mentioned.
  • the voltage of the power supply device 104 can be, for example, 20 V.
  • the coating film removing tool according to the present invention may include an electrode 2 for electrolysis and an insertion portion 3.
  • the various configurations adopted in each of the above-described embodiments can be used in combination with each other.
  • the various configurations adopted in each of the above-described embodiments can be appropriately replaced with each other.

Abstract

Provided is a coating film removing tool with which a coating film can easily be peeled and removed. This coating film removing tool 1A is for removing a coating film 102 formed on a conductive substrate 101 by an electrolysis. The coating film removing tool 1A is provided with: an electrolysis electrode 2; and an insertion part 3 that can be inserted between the conductive substrate 101 and the coating film 102.

Description

塗膜除去工具Paint removal tool 関連出願の相互参照Cross-reference of related applications
 本願は、2019年6月7日に出願の日本国特許出願第2019-107398号の優先権の利益を主張するものであり、その内容は、参照により本願に組み込まれる。 This application claims the priority benefit of Japanese Patent Application No. 2019-107398 filed on June 7, 2019, the contents of which are incorporated herein by reference.
 本発明は、塗膜除去工具に関する。 The present invention relates to a coating film removing tool.
 導電性基材上に形成された塗膜を電気分解により除去するための従来の塗膜除去工具としては、例えば、特許文献1に記載された可搬型電極がある。こうした従来の塗膜除去工具によれば、前記塗膜を電気分解より剥離させることができる。 As a conventional coating film removing tool for removing a coating film formed on a conductive substrate by electrolysis, for example, there is a portable electrode described in Patent Document 1. According to such a conventional coating film removing tool, the coating film can be peeled off by electrolysis.
特開2015-182024号公報JP 2015-182024
 しかしながら、上記従来の塗膜除去工具の場合、前記塗膜を前記電気分解により剥離した後、他の工具(例えば、スクレーパ)を使用することにより、当該塗膜を前記導電性基材上から別途除去する必要がある。即ち、従来の塗膜除去工具では、塗膜の除去作業が煩雑であった。 However, in the case of the conventional coating film removing tool, after the coating film is peeled off by the electrolysis, another tool (for example, a scraper) is used to separately remove the coating film from the conductive substrate. Need to be removed. That is, with the conventional coating film removing tool, the coating film removing work is complicated.
 本発明の目的は、塗膜を容易に剥離・除去することができる、塗膜除去工具を提供することにある。 An object of the present invention is to provide a coating film removing tool capable of easily peeling and removing a coating film.
 本発明に係る塗膜除去工具は、導電性基材上に形成された塗膜を電気分解により除去するための塗膜除去工具であって、電気分解用電極と、前記導電性基材と前記塗膜との間に挿入可能な挿入部と、を備えている。 The coating film removing tool according to the present invention is a coating film removing tool for removing a coating film formed on a conductive base material by electrolysis, and is an electrode for electrolysis, the conductive base material, and the above. It is provided with an insertion portion that can be inserted between the coating film and the coating film.
 本発明に係る塗膜除去工具は、前記電気分解用電極と前記導電性基材との接触を防ぐ絶縁部をさらに備えていることが好ましい。 The coating film removing tool according to the present invention preferably further includes an insulating portion that prevents contact between the electrolysis electrode and the conductive base material.
 本発明に係る塗膜除去工具は、前記電気分解用電極と前記絶縁部との間に、隙間を有するものとすることができる。 The coating film removing tool according to the present invention may have a gap between the electrolysis electrode and the insulating portion.
 本発明に係る塗膜除去工具は、前記電気分解用電極と前記絶縁部との間に、隙間を有しないものとすることができる。 The coating film removing tool according to the present invention may have no gap between the electrolysis electrode and the insulating portion.
 本発明に係る塗膜除去工具において、前記挿入部は、電解液を保持可能であることが好ましい。 In the coating film removing tool according to the present invention, it is preferable that the insertion portion can hold the electrolytic solution.
 本発明に係る塗膜除去工具は、電解液ストッパ部をさらに備えていることが好ましい。 It is preferable that the coating film removing tool according to the present invention further includes an electrolytic solution stopper portion.
 本発明に係る塗膜除去工具において、前記挿入部は、前記工具の進行方向に延在する2つ以上の支持部に掛け渡された線状部材で構成されているものとすることができる。 In the coating film removing tool according to the present invention, the insertion portion may be composed of a linear member spanned by two or more support portions extending in the traveling direction of the tool.
 本発明に係る塗膜除去工具において、前記挿入部は、前記工具の進行方向に延在する線状部材で構成されているものとすることができる。 In the coating film removing tool according to the present invention, the insertion portion may be composed of a linear member extending in the traveling direction of the tool.
 本発明によれば、塗膜を容易に剥離・除去することができる、塗膜除去工具を提供することができる。 According to the present invention, it is possible to provide a coating film removing tool capable of easily peeling and removing a coating film.
本発明の第1実施形態に係る塗膜除去工具を示す斜視図である。It is a perspective view which shows the coating film removing tool which concerns on 1st Embodiment of this invention. 図1の塗膜除去工具の平面図である。It is a top view of the coating film removing tool of FIG. 図2のA-A断面図である。FIG. 2 is a cross-sectional view taken along the line AA of FIG. 図1の塗膜除去工具の正面図である。It is a front view of the coating film removing tool of FIG. 図1の塗膜除去工具の底面図である。It is a bottom view of the coating film removing tool of FIG. 図1の塗膜除去工具を用いて塗膜を除去する方法の一例を簡略的に説明するための断面図である。It is sectional drawing for briefly explaining an example of the method of removing a coating film by using the coating film removing tool of FIG. 図1の塗膜除去工具を用いて塗膜を除去する方法の一例を簡略的に説明するための他の断面図である。It is another cross-sectional view for briefly explaining an example of the method of removing a coating film by using the coating film removing tool of FIG. 本発明の第2実施形態に係る塗膜除去工具を示す斜視図である。It is a perspective view which shows the coating film removing tool which concerns on 2nd Embodiment of this invention. 図8の塗膜除去工具の平面図である。It is a top view of the coating film removing tool of FIG. 図9のA-A断面図である。9 is a cross-sectional view taken along the line AA of FIG. 図8の塗膜除去工具の正面図である。It is a front view of the coating film removing tool of FIG. 図8の塗膜除去工具の底面図である。It is a bottom view of the coating film removing tool of FIG. 図8の塗膜除去工具を用いて塗膜を除去する方法の一例を簡略的に説明するための拡大断面図である。FIG. 5 is an enlarged cross-sectional view for briefly explaining an example of a method of removing a coating film using the coating film removing tool of FIG. 本発明に係る塗膜除去工具のフレームの変形例を示す概略図である。It is the schematic which shows the modification of the frame of the coating film removing tool which concerns on this invention. 本発明に係る塗膜除去工具のフレームの他の変形例とともに、挿入部の他の変形例を示す概略図である。It is the schematic which shows the other modification of the frame of the coating film removing tool which concerns on this invention, and the other modification of the insertion part. 本発明に係る塗膜除去工具のフレームの他の変形例とともに、挿入部の他の変形例を示す概略図である。It is the schematic which shows the other modification of the frame of the coating film removing tool which concerns on this invention, and the other modification of the insertion part. 本発明に係る塗膜除去工具のフレームとともに、挿入部の他の変形例を示す概略図である。It is the schematic which shows the frame of the coating film removing tool which concerns on this invention, and other modification of the insertion part. 本発明に係る塗膜除去工具のフレームとともに、挿入部の他の変形例を示す概略図である。It is the schematic which shows the frame of the coating film removing tool which concerns on this invention, and other modification of the insertion part. 本発明に係る塗膜除去工具の使用により、生じさせ得る電気分解反応の一例を概略的に示す説明図である。It is explanatory drawing which shows typically an example of the electrolysis reaction which can occur by using the coating film removing tool which concerns on this invention.
 以下、図面を参照して、本発明のいくつかの実施形態に係る塗膜除去工具について説明をする。なお、以下の説明において、「表側の面」とは、前記塗膜除去工具の使用の際に前記導電性基材と接触しない面をいう。また、「裏側の面」とは、前記表側の面と対向する面であって、前記塗膜除去工具の使用の際に前記導電性基材と接触可能な面をいう。更に、以下の説明において、実質的に同一の部分は、同一の符号を用いて、その説明を省略する。 Hereinafter, the coating film removing tool according to some embodiments of the present invention will be described with reference to the drawings. In the following description, the "front surface" refers to a surface that does not come into contact with the conductive substrate when the coating film removing tool is used. Further, the "back side surface" refers to a surface facing the front side surface and capable of contacting the conductive base material when the coating film removing tool is used. Further, in the following description, substantially the same parts will use the same reference numerals and the description thereof will be omitted.
[塗膜除去工具1A]
 図1~図5には、本発明の第1実施形態に係る塗膜除去工具1Aを示す。塗膜除去工具1Aは、導電性基材上に形成された塗膜を電気分解により剥離させつつ、当該塗膜を除去するための塗膜除去工具である。また、図6および図7は、塗膜除去工具1Aを用いて塗膜を除去する方法の一例を簡略的に説明するための断面図である。図6を参照すれば、本実施形態において、塗膜剥離剤は、電解液103である。電解液103は、例えば、導電性基材101上および当該導電性基材101と塗膜102との間の界面Bでの、電気分解反応により、ラジカルを発生させ、当該ラジカルによって、導電性基材101と塗膜102との結合を切り離す。
[Coating film removal tool 1A]
1 to 5 show a coating film removing tool 1A according to the first embodiment of the present invention. The coating film removing tool 1A is a coating film removing tool for removing the coating film while peeling off the coating film formed on the conductive substrate by electrolysis. 6 and 7 are cross-sectional views for briefly explaining an example of a method of removing the coating film using the coating film removing tool 1A. With reference to FIG. 6, in the present embodiment, the coating film release agent is the electrolytic solution 103. The electrolytic solution 103 generates radicals by an electrolysis reaction on the conductive base material 101 and at the interface B between the conductive base material 101 and the coating film 102, and the radicals generate a conductive group. The bond between the material 101 and the coating film 102 is broken.
 図6を参照すれば、本実施形態に係る塗膜除去工具1Aは、電気分解用電極2と、導電性基材101と塗膜102との間に挿入可能な挿入部3と、電気分解用電極2と導電性基材101との接触を防ぐ絶縁部4と、これらを取り付けるためのフレーム5と、を備える。 Referring to FIG. 6, the coating film removing tool 1A according to the present embodiment includes an electrode 2 for electrolysis, an insertion portion 3 that can be inserted between the conductive base material 101 and the coating film 102, and an insertion portion 3 for electrolysis. An insulating portion 4 for preventing contact between the electrode 2 and the conductive base material 101 and a frame 5 for attaching these are provided.
 本実施形態において、電気分解用電極2は、既存の電極材料で形成することができる。前記電極材料の具体例としては、白金、銅、グラファイト、銅タングステン、アルミニウム、カーボン等が挙げられる。好ましくは、電気分解用電極2は、白金で形成する。また、電気分解用電極2の形状は、特に限定されるものではない。本実施形態では、電気分解用電極2は、プレート状またはフィルム状の矩形形状を有している。 In the present embodiment, the electrode 2 for electrolysis can be formed of an existing electrode material. Specific examples of the electrode material include platinum, copper, graphite, copper tungsten, aluminum, carbon and the like. Preferably, the electrolysis electrode 2 is made of platinum. Further, the shape of the electrode 2 for electrolysis is not particularly limited. In the present embodiment, the electrolysis electrode 2 has a rectangular shape in the shape of a plate or a film.
 また、図6を参照すれば、本実施形態において、電気分解用電極2は、電源装置104に接続可能である。本実施形態では、電気分解用電極2は、例えば、電極コード61を介して、電源装置104の一方の端子に接続することができる。これにより、電気分解用電極2は、アノード(陽極)またはカソード(陰極)のいずれか一方の極になることができる。本実施形態では、電気分解用電極2は、アノードとなる。なお、本実施形態では、導電性基材101は、例えば、電極コード62を介して電源装置104の他方の端子に接続することができる。これにより、導電性基材101は、アノード(陽極)またはカソード(陰極)のいずれか他方の極になることができる。本実施形態では、導電性基材101は、カソードとなる。 Further, referring to FIG. 6, in the present embodiment, the electrode 2 for electrolysis can be connected to the power supply device 104. In the present embodiment, the electrolysis electrode 2 can be connected to one terminal of the power supply device 104 via, for example, an electrode cord 61. As a result, the electrode 2 for electrolysis can be the pole of either the anode (anode) or the cathode (cathode). In the present embodiment, the electrolysis electrode 2 serves as an anode. In the present embodiment, the conductive base material 101 can be connected to the other terminal of the power supply device 104 via, for example, the electrode cord 62. As a result, the conductive base material 101 can be the electrode of either the anode (anode) or the cathode (cathode). In the present embodiment, the conductive base material 101 serves as a cathode.
 また、例えば、図1を参照すれば、本実施形態において、挿入部3は、線状部材である。前記線状部材の太さ(厚さ)は、例えば、基材101、塗膜102の材質、塗膜102の厚さ、基材101と塗膜102との結合部の強さ(結合力)、線状部材の材質に応じて、適宜選択することができる。前記線状部材は、様々な材料で形成することができる。挿入部3は、電解液103を保持可能であることが好ましい。こうした挿入部3としては、例えば、構造的に電解液103を保持できるものが挙げられる。こうした構造的なものとしては、例えば、多孔質構造、撚り線構造で構成されているものが挙げられる。多孔質構造を有する材料の例としては、楮、みつまた、がんぴ、多孔質セラミックスなどが挙げられる。また、撚り線構造の例としては、例えば、天然繊維および化学繊維の少なくともいずれか一方の繊維を撚り合わせた糸が挙げられる。例えば、天然繊維としては絹等が、化学繊維としてはナイロン、ポリエステル、PTFE等が挙げられる。或いは、挿入部3は、単繊維からなる糸とすることも可能である。また、挿入部3としては、例えば、材料的に電解液103を保持できるものが挙げられる。材料的に電解液103を保持できるものとしては、例えば、吸水性を有するもの、例えば、高分子吸収体で形成されたものが挙げられる。また、挿入部3は、ゴム等の弾性材料で形成することができる。この場合、挿入部3は、様々な形状に変形させることができる。ただし、挿入部3は、前記線状部材に限定されるものではない。挿入部3は、前記線状部材に代えて、例えば、界面Bに挿入可能な先端を有するブレード部材(板状部材)とすることができる。 Further, for example, referring to FIG. 1, in the present embodiment, the insertion portion 3 is a linear member. The thickness (thickness) of the linear member is, for example, the base material 101, the material of the coating film 102, the thickness of the coating film 102, and the strength (bonding force) of the joint portion between the base material 101 and the coating film 102. , Can be appropriately selected depending on the material of the linear member. The linear member can be made of various materials. It is preferable that the insertion portion 3 can hold the electrolytic solution 103. Examples of such an insertion portion 3 include those capable of structurally holding the electrolytic solution 103. Examples of such a structure include those having a porous structure and a stranded wire structure. Examples of materials having a porous structure include kozo, mitsumata, ganpi, and porous ceramics. Further, as an example of the stranded wire structure, for example, a yarn obtained by twisting at least one of natural fibers and chemical fibers can be mentioned. For example, silk and the like are examples of natural fibers, and nylon, polyester, PTFE and the like are examples of chemical fibers. Alternatively, the insertion portion 3 can be a thread made of a single fiber. Further, as the insertion portion 3, for example, one capable of holding the electrolytic solution 103 as a material can be mentioned. Examples of the material capable of retaining the electrolytic solution 103 include those having water absorption, for example, those formed of a polymer absorber. Further, the insertion portion 3 can be formed of an elastic material such as rubber. In this case, the insertion portion 3 can be deformed into various shapes. However, the insertion portion 3 is not limited to the linear member. The insertion portion 3 can be, for example, a blade member (plate-shaped member) having a tip that can be inserted into the interface B instead of the linear member.
 また、本実施形態において、絶縁部4は、電流を遮断する、既存の絶縁体で形成することができる。前記絶縁体としては、電気絶縁性プラスチックで形成された絶縁テープまたは絶縁フィルム、絶縁紙、導電体の周囲をプラスチック等で絶縁したもの等が挙げられる。また、絶縁部4の形状は、電気分解用電極2と導電性基材101との接触を防ぐことが可能であれば、特に限定されるものではない。本実施形態では、絶縁部4は、プレート状またはフィルム状の矩形形状を有している。 Further, in the present embodiment, the insulating portion 4 can be formed of an existing insulator that cuts off the current. Examples of the insulator include an insulating tape or an insulating film made of an electrically insulating plastic, an insulating paper, and an insulator in which the periphery of a conductor is insulated with plastic or the like. Further, the shape of the insulating portion 4 is not particularly limited as long as it is possible to prevent the contact between the electrolysis electrode 2 and the conductive base material 101. In the present embodiment, the insulating portion 4 has a rectangular shape in the shape of a plate or a film.
 更に、図1を参照すれば、本実施形態において、フレーム5は、2つのアーム部51と、連結部52と、把持部53と、を備えている。図2に示すように、2つのアーム部51は、塗膜除去工具1Aの使用時に、当該塗膜除去工具1Aの進行方向に沿うように延在している。図3に示すように、本実施形態では、アーム部51は、側面視において、塗膜除去工具1Aの裏側に向かって突出するように湾曲している。ただし、本発明によれば、アーム部51は、側面視において、直線的に延在させることもできる。また、図2に示すように、2つのアーム部51は、塗膜除去工具1Aの幅方向(本実施形態では、塗膜除去工具1Aの進行方向および表裏方向に対して直交する方向)に間隔を置いて配置されている。本実施形態において、2つのアーム部51の前端51aは、塗膜除去工具1Aの進行方向前側に向いている。これに対し、2つのアーム部51の後端は、連結部52を介して連結されている。これにより、連結部52は、2つのアーム部51を、幅方向に間隔を置いて片持ち支持する。なお、本実施形態では、フレーム5は、アーム部51、連結部52および把持部53を一体に備えている。また、本実施形態では、フレーム5は、絶縁材料で形成されている。本発明によれば、フレーム5の少なくともアーム部51が絶縁材料で形成されているものとすることができる。前記絶縁材料としては、電気絶縁性プラスチック等が挙げられる。 Further, referring to FIG. 1, in the present embodiment, the frame 5 includes two arm portions 51, a connecting portion 52, and a grip portion 53. As shown in FIG. 2, the two arm portions 51 extend along the traveling direction of the coating film removing tool 1A when the coating film removing tool 1A is used. As shown in FIG. 3, in the present embodiment, the arm portion 51 is curved so as to project toward the back side of the coating film removing tool 1A in a side view. However, according to the present invention, the arm portion 51 can be extended linearly in a side view. Further, as shown in FIG. 2, the two arm portions 51 are spaced apart from each other in the width direction of the coating film removing tool 1A (in the present embodiment, the direction orthogonal to the traveling direction and the front and back directions of the coating film removing tool 1A). Is placed. In the present embodiment, the front ends 51a of the two arm portions 51 face the front side in the traveling direction of the coating film removing tool 1A. On the other hand, the rear ends of the two arm portions 51 are connected via the connecting portion 52. As a result, the connecting portion 52 cantileverly supports the two arm portions 51 at intervals in the width direction. In the present embodiment, the frame 5 integrally includes an arm portion 51, a connecting portion 52, and a grip portion 53. Further, in the present embodiment, the frame 5 is made of an insulating material. According to the present invention, at least the arm portion 51 of the frame 5 can be made of an insulating material. Examples of the insulating material include electrically insulating plastics.
 本実施形態において、電気分解用電極2は、フレーム5に取り付けられている。電気分解用電極2は、2つのアーム部51に掛け渡されて幅方向に延在している。詳細には、電気分解用電極2は、2つのアーム部51に固定されている。本実施形態では、電気分解用電極2は、アーム部51の表側の面51f1に固定されている。更に、本実施形態では、電気分解用電極2は、2つのアーム部51とともに連結部52に固定されている。本実施形態では、電気分解用電極2は、連結部52の表側の面52f1に固定されている。ただし、本発明によれば、電気分解用電極2は、2つのアーム部51のみに固定することができる。この場合、電気分解用電極2は、連結部52との間に開口部を形成することもできる。 In this embodiment, the electrolysis electrode 2 is attached to the frame 5. The electrolysis electrode 2 is hung over two arm portions 51 and extends in the width direction. Specifically, the electrolysis electrode 2 is fixed to two arm portions 51. In the present embodiment, the electrolysis electrode 2 is fixed to the front surface 51f1 of the arm portion 51. Further, in the present embodiment, the electrolysis electrode 2 is fixed to the connecting portion 52 together with the two arm portions 51. In the present embodiment, the electrolysis electrode 2 is fixed to the front surface 52f1 of the connecting portion 52. However, according to the present invention, the electrolysis electrode 2 can be fixed only to the two arm portions 51. In this case, the electrolysis electrode 2 can also form an opening between the electrolysis electrode 2 and the connecting portion 52.
 また、本実施形態において、挿入部3は、フレーム5に取り付けられている。本実施形態において、挿入部3は、2つのアーム部51に掛け渡された線状部材3aである。本実施形態では、線状部材3aは、幅方向に延在している。詳細には、挿入部3は、2つのアーム部51に固定されている。図3に示すように、本実施形態では、挿入部3は、2つのアーム部51の内側面(互いに向かい合う面)51f2に固定されている。詳細には、挿入部3は、図3に示すように側面視において、アーム部51の前端51aの位置に固定されている。また、図4は、塗膜除去工具1Aの正面図である。図4に示すように、さらに、本実施形態では、挿入部3は、正面視において、当該アーム部51の裏側の面51f3と一致する位置に配置されている。即ち、本実施形態では、挿入部3は、アーム部51の裏側の面51f3に隣接(好ましくは、一致)する位置であって、当該アーム部51の前端51aの下端隅部に掛け渡されている。 Further, in the present embodiment, the insertion portion 3 is attached to the frame 5. In the present embodiment, the insertion portion 3 is a linear member 3a spanned by two arm portions 51. In the present embodiment, the linear member 3a extends in the width direction. Specifically, the insertion portion 3 is fixed to the two arm portions 51. As shown in FIG. 3, in the present embodiment, the insertion portion 3 is fixed to the inner side surfaces (faces facing each other) 51f2 of the two arm portions 51. Specifically, as shown in FIG. 3, the insertion portion 3 is fixed at the position of the front end 51a of the arm portion 51 in the side view. Further, FIG. 4 is a front view of the coating film removing tool 1A. As shown in FIG. 4, further, in the present embodiment, the insertion portion 3 is arranged at a position corresponding to the surface 51f3 on the back side of the arm portion 51 in the front view. That is, in the present embodiment, the insertion portion 3 is located adjacent to (preferably coincident with) the surface 51f3 on the back side of the arm portion 51, and is hung over the lower end corner of the front end 51a of the arm portion 51. There is.
 また、本実施形態において、絶縁部4は、フレーム5に取り付けられている。図5を参照すれば、絶縁部4は、2つのアーム部51に掛け渡されて幅方向に延在している。詳細には、絶縁部4は、2つのアーム部51に固定されている。図5に示すように、本実施形態では、絶縁部4は、2つのアーム部51の裏側の面51f3に固定されている。更に、本実施形態では、絶縁部4は、2つのアーム部51とともに連結部52に固定されている。本実施形態では、絶縁部4は、連結部52の裏側の面52f3に固定されている。ただし、本発明によれば、絶縁部4は、2つのアーム部51のみに固定することができる。この場合、絶縁部4は、連結部52との間に開口部を形成することもできる。 Further, in the present embodiment, the insulating portion 4 is attached to the frame 5. Referring to FIG. 5, the insulating portion 4 spans the two arm portions 51 and extends in the width direction. Specifically, the insulating portion 4 is fixed to the two arm portions 51. As shown in FIG. 5, in the present embodiment, the insulating portion 4 is fixed to the surface 51f3 on the back side of the two arm portions 51. Further, in the present embodiment, the insulating portion 4 is fixed to the connecting portion 52 together with the two arm portions 51. In the present embodiment, the insulating portion 4 is fixed to the surface 52f3 on the back side of the connecting portion 52. However, according to the present invention, the insulating portion 4 can be fixed only to the two arm portions 51. In this case, the insulating portion 4 can also form an opening between the insulating portion 4 and the connecting portion 52.
 図3を参照すれば、本実施形態に係る塗膜除去工具1Aは、電気分解用電極2と絶縁部4との間に隙間Cを有している。本実施形態では、隙間Cは、フレーム5とともに、バケット部(容器状の部分)を形成している。詳細には、前記バケット部は、電気分解用電極2、絶縁部4、並びに、フレーム5の2つのアーム部51および連結部52によって形成された空間である。更に詳細には、前記バケット部は、当該バケット部の前側に開口部Aを有している。これによって、前記バケット部は、塗膜除去工具1Aを進行方向前側に進行させたとき、導電性基材101上の電解液103を取り込むことができる。 With reference to FIG. 3, the coating film removing tool 1A according to the present embodiment has a gap C between the electrolysis electrode 2 and the insulating portion 4. In the present embodiment, the gap C forms a bucket portion (container-shaped portion) together with the frame 5. Specifically, the bucket portion is a space formed by an electrolysis electrode 2, an insulating portion 4, and two arm portions 51 and a connecting portion 52 of the frame 5. More specifically, the bucket portion has an opening A on the front side of the bucket portion. As a result, the bucket portion can take in the electrolytic solution 103 on the conductive base material 101 when the coating film removing tool 1A is advanced to the front side in the traveling direction.
 次に、図6および図7を参照して、塗膜除去工具1Aの基本的な使用方法について説明をする。 Next, the basic usage of the coating film removing tool 1A will be described with reference to FIGS. 6 and 7.
 本発明によれば、塗膜102に電解液103含浸させることなく、導電性基材101上に電解液103を供給することによって、当該電解液103を界面Bの側面から直接供給することができる。また、図6に示すように、少なくとも塗膜102上に、予め電解液103を供給しておくこともできる。電解液103の供給方法としては、例えば、塗膜102に電解液103を接触させることにより、当該電解液103を塗膜102に含浸させることができる。具体例としては、電解液103は予め、塗膜102上に塗布しておくことにより、塗膜102に含浸させることができる。ただし、電解液103の供給方法は、特に限定されるものではなく、導電性基材101の形状等に応じて、適宜選択することができる。その場合、図6に示すように、界面Bの端(界面Bの延在方向端)が露出するように、予め欠損部分を形成しておくことが好ましい。この場合、塗膜102から含浸させた電解液103とともに、導電性基材101上の電解液103も併せて、界面Bに十分に供給することができる。また、予め欠損部を形成して界面Bの端を露出させなくてもよい。 According to the present invention, the electrolytic solution 103 can be directly supplied from the side surface of the interface B by supplying the electrolytic solution 103 onto the conductive base material 101 without impregnating the coating film 102 with the electrolytic solution 103. .. Further, as shown in FIG. 6, the electrolytic solution 103 can be supplied in advance on at least the coating film 102. As a method of supplying the electrolytic solution 103, for example, the coating film 102 can be impregnated with the electrolytic solution 103 by bringing the electrolytic solution 103 into contact with the coating film 102. As a specific example, the electrolytic solution 103 can be impregnated in the coating film 102 by applying it on the coating film 102 in advance. However, the method of supplying the electrolytic solution 103 is not particularly limited, and can be appropriately selected depending on the shape of the conductive base material 101 and the like. In that case, as shown in FIG. 6, it is preferable to form a defective portion in advance so that the end of the interface B (the end in the extending direction of the interface B) is exposed. In this case, the electrolytic solution 103 on the conductive base material 101 can be sufficiently supplied to the interface B together with the electrolytic solution 103 impregnated from the coating film 102. Further, it is not necessary to form a defect portion in advance to expose the end of the interface B.
 [電源接続工程]
 図6は、導電性基材101上に形成された塗膜102とともに、塗膜除去工具1Aを概略的に示している。塗膜除去工具1Aを使用する際には初めに、電解液103に電気を流すための回路を形成する。本実施形態では、塗膜除去工具1Aの電気分解用電極2を電源装置104の一方の端子に接続するとともに、導電性基材101を電源装置104の他方の端子に接続する。これにより、塗膜除去工具1Aの電気分解用電極2と導電性基材101との間に電位差を生じさせることができる。
[Power supply connection process]
FIG. 6 schematically shows the coating film removing tool 1A together with the coating film 102 formed on the conductive base material 101. When using the coating film removing tool 1A, first, a circuit for passing electricity through the electrolytic solution 103 is formed. In the present embodiment, the electrolysis electrode 2 of the coating film removing tool 1A is connected to one terminal of the power supply device 104, and the conductive base material 101 is connected to the other terminal of the power supply device 104. As a result, a potential difference can be generated between the electrolysis electrode 2 of the coating film removing tool 1A and the conductive base material 101.
 [工具送り工程]
 電源装置104に接続した後、塗膜除去工具1Aを導電性基材101に沿って進行方向前側に送る。このとき、使用者は、把持部53を把持することにより、図6の矢印で示すように、塗膜除去工具1Aを進行方向前側に送ることができる。具体的には、使用者は、塗膜除去工具1Aの挿入部3を導電性基材101の塗膜形成面101fに接触させ、そのまま、当該塗膜形成面101fに沿って、塗膜除去工具1Aを進行させる。これにより、塗膜除去工具1Aは、当該塗膜除去工具1Aの挿入部3が導電性基材101と塗膜102との間に挿入されるように進行方向前側に送られる。このとき、電気分解用電極2は、絶縁部4によって、導電性基材101と電気的に絶縁されている。
[Tool feed process]
After connecting to the power supply device 104, the coating film removing tool 1A is sent to the front side in the traveling direction along the conductive base material 101. At this time, by gripping the grip portion 53, the user can send the coating film removing tool 1A to the front side in the traveling direction as shown by the arrow in FIG. Specifically, the user brings the insertion portion 3 of the coating film removing tool 1A into contact with the coating film forming surface 101f of the conductive base material 101, and as it is, the coating film removing tool follows the coating film forming surface 101f. Advance 1A. As a result, the coating film removing tool 1A is sent to the front side in the traveling direction so that the insertion portion 3 of the coating film removing tool 1A is inserted between the conductive base material 101 and the coating film 102. At this time, the electrolysis electrode 2 is electrically insulated from the conductive base material 101 by the insulating portion 4.
 この例では、塗膜除去工具1Aが進行方向前側に送られると、導電性基材101上の電解液103はまず、塗膜除去工具1Aの挿入部3に接触する。次いで、導電性基材101上の電解液103は、塗膜除去工具1Aの電気分解用電極2と接触する。このとき、導電性基材101上の電解液103には、電気分解用電極2と導電性基材101との間に生じた電位差によって電流が流れる。この電流の流れによって、界面Bに浸透した電解液103および当該界面Bに隣接する導電性基材101上の電解液103には、当該電解液103の電気分解によってラジカルが発生する。当該ラジカルは、界面Bにおける導電性基材101と塗膜102との結合を切り離す。これにより、塗膜除去工具1Aを用いれば、塗膜除去工具1Aを進行方向前側に送るだけの操作によって、塗膜102を導電性基材101から剥離させることができる。また、塗膜除去工具1Aの挿入部3は、導電性基材101と塗膜102との間に挿入可能である。挿入部3は、導電性基材101と塗膜102との間に挿入されることによって、導電性基材101と塗膜102とを分離する。これにより、塗膜除去工具1Aを用いれば、塗膜除去工具1Aを進行方向前側に送るだけの操作によって、塗膜102を導電性基材101から確実に除去することができる。即ち、図7に示すように、塗膜除去工具1Aの挿入部3は、電解液103の電気分解と同時に、または、当該電気分解に引き続いて連続的に、塗膜102を導電性基材101から確実に除去することができる。 In this example, when the coating film removing tool 1A is sent to the front side in the traveling direction, the electrolytic solution 103 on the conductive base material 101 first contacts the insertion portion 3 of the coating film removing tool 1A. Next, the electrolytic solution 103 on the conductive base material 101 comes into contact with the electrolysis electrode 2 of the coating film removing tool 1A. At this time, a current flows through the electrolytic solution 103 on the conductive base material 101 due to the potential difference generated between the electrolysis electrode 2 and the conductive base material 101. Due to the flow of this current, radicals are generated in the electrolytic solution 103 that has permeated the interface B and the electrolytic solution 103 on the conductive base material 101 adjacent to the interface B by electrolysis of the electrolytic solution 103. The radical breaks the bond between the conductive base material 101 and the coating film 102 at the interface B. As a result, if the coating film removing tool 1A is used, the coating film 102 can be peeled from the conductive base material 101 by simply sending the coating film removing tool 1A to the front side in the traveling direction. Further, the insertion portion 3 of the coating film removing tool 1A can be inserted between the conductive base material 101 and the coating film 102. The insertion portion 3 separates the conductive base material 101 and the coating film 102 by being inserted between the conductive base material 101 and the coating film 102. As a result, if the coating film removing tool 1A is used, the coating film 102 can be reliably removed from the conductive base material 101 by simply sending the coating film removing tool 1A to the front side in the traveling direction. That is, as shown in FIG. 7, the insertion portion 3 of the coating film removing tool 1A attaches the coating film 102 to the conductive base material 101 at the same time as or continuously after the electrolysis of the electrolytic solution 103. Can be reliably removed from.
 上述のとおり、塗膜除去工具1Aによれば、塗膜102を剥離させるための電気分解処理と、剥離させた塗膜102を除去するための塗膜除去処理と、を同時または連続的に行うことができる。このため、本実施形態に係る塗膜除去工具1Aによれば、当該塗膜除去工具1Aを進行方向前側に送るだけの簡単な操作によって、導電性基材101上に形成された塗膜102を一度に剥離・除去することができる。したがって、本実施形態に係る塗膜除去工具1Aによれば、塗膜102を容易に剥離・除去することができる、塗膜除去工具を提供することができる。 As described above, according to the coating film removing tool 1A, the electrolysis treatment for peeling the coating film 102 and the coating film removing treatment for removing the peeled coating film 102 are performed simultaneously or continuously. be able to. Therefore, according to the coating film removing tool 1A according to the present embodiment, the coating film 102 formed on the conductive base material 101 can be formed by a simple operation of simply sending the coating film removing tool 1A to the front side in the traveling direction. It can be peeled off and removed at once. Therefore, according to the coating film removing tool 1A according to the present embodiment, it is possible to provide a coating film removing tool capable of easily peeling and removing the coating film 102.
 また、塗膜除去工具1Aは、電気分解用電極2と導電性基材101との接触を防ぐ絶縁部4をさらに備えている。この場合、電解液103に電気を流したときも、当該電気を漏電させるような余計な回路が形成されない。また、電気分解用電極2が導電性基材101と接触することによる短絡を防止することができる。したがって、塗膜除去工具1Aが絶縁部4を備えれば、塗膜102を除去する作業時において、電気分解用電極2と導電性基材101との間が確実に絶縁されるため、作業性に優れる。 Further, the coating film removing tool 1A further includes an insulating portion 4 for preventing contact between the electrolysis electrode 2 and the conductive base material 101. In this case, even when electricity is passed through the electrolytic solution 103, an extra circuit that causes the electricity to leak is not formed. Further, it is possible to prevent a short circuit due to the contact of the electrolysis electrode 2 with the conductive base material 101. Therefore, if the coating film removing tool 1A is provided with the insulating portion 4, the workability is ensured because the electrode 2 for electrolysis and the conductive base material 101 are surely insulated during the work of removing the coating film 102. Excellent for.
 また、塗膜除去工具1Aは、電気分解用電極2と絶縁部4との間に、隙間Cを有している。当該隙間Cには、図7に示すように、開口部Aを通して電解液103を含んでおくことができる。この場合、隙間Cに含まれた電解液103を、電気分解用電極2の裏側の面2f3において電気分解できる。これにより、電気分解用電極2の表側の面2f1にて行うことと併せることにより、界面Bには、導電性基材101上の電解液103および塗膜102に含浸させた電解液103を通して、より多くのラジカルが得られる。したがって、本実施形態によれば、導電性基材101からの塗膜102の剥離を促進させることができる。 Further, the coating film removing tool 1A has a gap C between the electrolysis electrode 2 and the insulating portion 4. As shown in FIG. 7, the gap C can contain the electrolytic solution 103 through the opening A. In this case, the electrolytic solution 103 contained in the gap C can be electrolyzed on the surface 2f3 on the back side of the electrode 2 for electrolysis. As a result, the interface B is passed through the electrolytic solution 103 on the conductive base material 101 and the electrolytic solution 103 impregnated in the coating film 102 in combination with the operation on the front surface 2f1 of the electrode 2 for electrolysis. More radicals are obtained. Therefore, according to the present embodiment, the peeling of the coating film 102 from the conductive base material 101 can be promoted.
 ところで、本発明によれば、塗膜除去工具1Aは、隙間Cのみを備えるものとすることも可能であるが、本実施形態において、塗膜除去工具1Aは、電解液ストッパ部をさらに備えている。本実施形態において、前記電解液ストッパ部は、フレーム5を構成するアーム部51および連結部52である。本実施形態では、連結部52が前記電解液ストッパ部であることから、図7に示すように、連結部52は、塗膜除去工具1Aの送り(前側への進行)に伴う、隙間Cからの電解液103の後側への流出を抑えることができる。この場合、隙間Cに含まれた電解液103は、塗膜除去工具1Aとともに、界面Bに向かって移動する。このため、界面Bには、電気分解用電極2の裏側の面2f3で電気分解された電解液103が効率的に供給される。このように、電解液ストッパ部としてのフレーム5の連結部52が隙間Cに含まれた電解液103の後側への流出を抑制すれば、余分な回路が形成されず、導電性基材101からの塗膜102の剥離を促進させることができる。また、前記電解液ストッパ部の効果により電解液103の流出を防ぐことができ、塗膜102を除去する際に要する電解液103が少量で済む。また、この場合、フレーム5の連結部52によって電解液103の流出が抑えられる分、当該電解液103が挿入部3に供給されることになる。このため、挿入部3と接する界面Bからの塗膜102の除去も容易となる。さらに、本実施形態では、アーム部51が前記電解液ストッパ部であることから、アーム部51は、塗膜除去工具1Aの送りに伴う、隙間Cからの電解液103の幅方向への流出を抑えることができる。このため、界面Bには、電気分解用電極2の裏側の面2f3で電気分解された電解液103がさらに効率的に供給される。このように、電解液ストッパ部としてのフレーム5のアーム部51が隙間Cに含まれた電解液103の幅方向への流出を抑制すれば、導電性基材101からの塗膜102の剥離をさらに促進させることができる。また、この場合、フレーム5のアーム部51によって電解液103の流出がさらに抑えられる分、当該電解液103がさらに挿入部3に供給されることになる。このため、挿入部3と接する界面Bからの塗膜102の除去もさらに容易となる。 By the way, according to the present invention, the coating film removing tool 1A may include only the gap C, but in the present embodiment, the coating film removing tool 1A further includes an electrolytic solution stopper portion. There is. In the present embodiment, the electrolytic solution stopper portion is an arm portion 51 and a connecting portion 52 constituting the frame 5. In the present embodiment, since the connecting portion 52 is the electrolytic solution stopper portion, as shown in FIG. 7, the connecting portion 52 is connected from the gap C as the coating film removing tool 1A is fed (advanced to the front side). The outflow of the electrolytic solution 103 to the rear side can be suppressed. In this case, the electrolytic solution 103 contained in the gap C moves toward the interface B together with the coating film removing tool 1A. Therefore, the electrolytic solution 103 electrolyzed on the surface 2f3 on the back side of the electrode 2 for electrolysis is efficiently supplied to the interface B. In this way, if the connecting portion 52 of the frame 5 as the electrolytic solution stopper portion suppresses the outflow of the electrolytic solution 103 contained in the gap C to the rear side, no extra circuit is formed and the conductive base material 101 is formed. The peeling of the coating film 102 from the above can be promoted. Further, the outflow of the electrolytic solution 103 can be prevented by the effect of the electrolytic solution stopper portion, and a small amount of the electrolytic solution 103 required for removing the coating film 102 is required. Further, in this case, the electrolytic solution 103 is supplied to the insertion portion 3 by the amount that the outflow of the electrolytic solution 103 is suppressed by the connecting portion 52 of the frame 5. Therefore, the coating film 102 can be easily removed from the interface B in contact with the insertion portion 3. Further, in the present embodiment, since the arm portion 51 is the electrolytic solution stopper portion, the arm portion 51 causes the electrolytic solution 103 to flow out from the gap C in the width direction due to the feeding of the coating film removing tool 1A. It can be suppressed. Therefore, the electrolytic solution 103 electrolyzed on the surface 2f3 on the back side of the electrode 2 for electrolysis is more efficiently supplied to the interface B. In this way, if the arm portion 51 of the frame 5 as the electrolytic solution stopper portion suppresses the outflow of the electrolytic solution 103 contained in the gap C in the width direction, the coating film 102 can be peeled off from the conductive base material 101. It can be further promoted. Further, in this case, the arm portion 51 of the frame 5 further suppresses the outflow of the electrolytic solution 103, so that the electrolytic solution 103 is further supplied to the insertion portion 3. Therefore, it becomes easier to remove the coating film 102 from the interface B in contact with the insertion portion 3.
 本発明によれば、隙間Cは、上述のように、前記電解液ストッパ部のみで区画することが可能であるが、特に、本実施形態では、上述のとおり、隙間Cは、フレーム5とともに、電気分解用電極2および絶縁部4によってバケット部を形成している。この場合、隙間Cからの電解液103の流出をさらに一層抑えることができる。このため、本実施形態によれば、導電性基材101からの塗膜102の剥離をさらに一層促進させることができる。また、挿入部3と接する界面Bからの塗膜102の除去もさらに一層容易となる。 According to the present invention, the gap C can be partitioned only by the electrolytic solution stopper portion as described above, but in particular, in the present embodiment, as described above, the gap C is formed together with the frame 5. The bucket portion is formed by the electrode 2 for electrolysis and the insulating portion 4. In this case, the outflow of the electrolytic solution 103 from the gap C can be further suppressed. Therefore, according to the present embodiment, the peeling of the coating film 102 from the conductive base material 101 can be further promoted. Further, the removal of the coating film 102 from the interface B in contact with the insertion portion 3 becomes even easier.
 ところで、電気分解による剥離処理は、電解液103の浸透が重要である。しかしながら、当該浸透の程度は、塗膜102の膜厚(厚み)によって変動する可能性がある。具体的には、電解液103を塗膜102に対して同じ時間だけ含浸させても、塗膜102に含浸させた電解液103が界面Bに達している部分は、塗膜102の膜厚の違いによって異なる。このため、剥離によって塗膜102の除去が容易な部分も、膜厚の違いによって異なることがある。これに対して、上述のとおり、塗膜除去工具1Aの挿入部3は、電解液103を保持することができる。このため、塗膜除去工具1Aの挿入部3は、当該挿入部3に保持された電解液103への通電によって、ラジカルを発生させることができる。このように、挿入部3近傍からもラジカルを発生させれば、導電性基材101と塗膜102との間の結合を切り離す剥離力を向上させることができる。このように、塗膜除去工具1Aによれば、塗膜102の膜厚の変動に伴う塗膜102の除去し難さが抑えられる。これにより、当該塗膜除去工具1Aの送り操作が容易になる。したがって、本実施形態によれば、導電性基材101上に形成された塗膜102を、スムーズな操作で除去することができる。 By the way, in the peeling treatment by electrolysis, the penetration of the electrolytic solution 103 is important. However, the degree of penetration may vary depending on the film thickness (thickness) of the coating film 102. Specifically, even if the coating film 102 is impregnated with the electrolytic solution 103 for the same time, the portion where the electrolytic solution 103 impregnated in the coating film 102 reaches the interface B is the film thickness of the coating film 102. It depends on the difference. Therefore, the portion where the coating film 102 can be easily removed by peeling may also differ depending on the difference in film thickness. On the other hand, as described above, the insertion portion 3 of the coating film removing tool 1A can hold the electrolytic solution 103. Therefore, the insertion portion 3 of the coating film removing tool 1A can generate radicals by energizing the electrolytic solution 103 held in the insertion portion 3. In this way, if radicals are also generated from the vicinity of the insertion portion 3, the peeling force for breaking the bond between the conductive base material 101 and the coating film 102 can be improved. As described above, according to the coating film removing tool 1A, it is possible to suppress the difficulty of removing the coating film 102 due to the fluctuation of the film thickness of the coating film 102. This facilitates the feeding operation of the coating film removing tool 1A. Therefore, according to the present embodiment, the coating film 102 formed on the conductive base material 101 can be removed by a smooth operation.
[塗膜除去工具1B]
 図8~図12には、本発明の第2実施形態に係る塗膜除去工具1Bを示す。また、図13は、塗膜除去工具1Bを用いて塗膜を除去する方法の一例を簡略的に説明するための拡大断面図である。塗膜除去工具1Bは、塗膜除去工具1Aの変形例である。
[Coating film removal tool 1B]
8 to 12 show the coating film removing tool 1B according to the second embodiment of the present invention. Further, FIG. 13 is an enlarged cross-sectional view for simply explaining an example of a method of removing the coating film using the coating film removing tool 1B. The coating film removing tool 1B is a modified example of the coating film removing tool 1A.
 図8を参照すれば、本実施形態に係る塗膜除去工具1Bは、塗膜除去工具1Aと同様、電気分解用電極2と、挿入部3と、絶縁部4と、フレーム5と、を備える。 Referring to FIG. 8, the coating film removing tool 1B according to the present embodiment includes an electrolysis electrode 2, an insertion portion 3, an insulating portion 4, and a frame 5 as in the coating film removing tool 1A. ..
 塗膜除去工具1Bは、塗膜除去工具1Aと異なり、電気分解用電極2と絶縁部4との間に、隙間Cを有しない。図9を参照すれば、本実施形態において、電気分解用電極2は、幅方向に延在する電気分解用電極である。さらに、図10を参照すれば、本実施形態において、電気分解用電極2は、絶縁部4に取り付けられている。詳細には、電気分解用電極2の裏側の面2f3と、絶縁部4の表側の面4f1とが、隙間なく密着している。即ち、塗膜除去工具1Bは、塗膜除去工具1Aと異なり、電気分解用電極2と、当該電気分解用電極2の裏側の面2f3に配置された絶縁部4との間には、隙間Cを有しない。この場合、隙間Cを有しない分、塗膜除去工具1Bのコンパクト化を図ることができる。また、電気分解用電極2と絶縁部4との間に隙間Cを設定する工程が不要となる分、製造が容易になる。さらに、絶縁部4から掬い取った電解液103を電気分解用電極2の表側の面2f1上で電気分解できるため、塗膜102を除去する際に使用する電解液103の少量化を図ることができる。なお、図11を参照すれば、塗膜除去工具1Bは、フレーム5の表側の領域のうち、アーム部51と連結部52とで区画された領域が外部に開放されている。また、図12を参照すれば、電気分解用電極2は、アーム部51の内側面51f2に固定されている。これにより、本実施形態では、電気分解用電極2は、2つのアーム部51に掛け渡されて幅方向に延在している。 Unlike the coating film removing tool 1A, the coating film removing tool 1B does not have a gap C between the electrolysis electrode 2 and the insulating portion 4. Referring to FIG. 9, in the present embodiment, the electrolysis electrode 2 is an electrolysis electrode extending in the width direction. Further, referring to FIG. 10, in the present embodiment, the electrolysis electrode 2 is attached to the insulating portion 4. Specifically, the surface 2f3 on the back side of the electrode 2 for electrolysis and the surface 4f1 on the front side of the insulating portion 4 are in close contact with each other without any gap. That is, unlike the coating film removing tool 1A, the coating film removing tool 1B has a gap C between the electrolysis electrode 2 and the insulating portion 4 arranged on the back surface 2f3 of the electrolysis electrode 2. Does not have. In this case, the coating film removing tool 1B can be made compact because the gap C is not provided. Further, since the step of setting the gap C between the electrolysis electrode 2 and the insulating portion 4 becomes unnecessary, the manufacturing becomes easy. Further, since the electrolytic solution 103 scooped from the insulating portion 4 can be electrolyzed on the front surface 2f1 of the electrode 2 for electrolysis, the amount of the electrolytic solution 103 used when removing the coating film 102 can be reduced. it can. In addition, referring to FIG. 11, in the coating film removing tool 1B, in the area on the front side of the frame 5, the area defined by the arm portion 51 and the connecting portion 52 is open to the outside. Further, referring to FIG. 12, the electrolysis electrode 2 is fixed to the inner side surface 51f2 of the arm portion 51. As a result, in the present embodiment, the electrolysis electrode 2 is hung over the two arm portions 51 and extends in the width direction.
 塗膜除去工具1Bの基本的な使用方法は、塗膜除去工具1Aの使用方法と同様である。図7に示すように、塗膜除去工具1Aによれば、電解液103の電気分解は、電気分解用電極2の裏側の面2f3にて行うことができるとともに、当該電気分解用電極2の表側の面2f1にても行うことができる。一方、図13に示すように、塗膜除去工具1Bによれば、電解液103の電気分解は、電気分解用電極2の表側の面2f1にて行うことができる。 The basic usage of the coating film removing tool 1B is the same as the usage of the coating film removing tool 1A. As shown in FIG. 7, according to the coating film removing tool 1A, the electrolysis of the electrolytic solution 103 can be performed on the surface 2f3 on the back side of the electrode 2 for electrolysis and the front side of the electrode 2 for electrolysis. It can also be performed on the surface 2f1 of. On the other hand, as shown in FIG. 13, according to the coating film removing tool 1B, the electrolysis of the electrolytic solution 103 can be performed on the front surface 2f1 of the electrolysis electrode 2.
 ところで、本発明に係る塗膜除去工具によれば、当該塗膜除去工具は、上述の各実施形態のように、塗膜除去工具の進行方向に延在する2つ以上の支持部に掛け渡された線状部材で構成されているものとすることができる。この場合、広い範囲の塗膜102を、複数の支持部の間に線状部材を掛け渡しただけの簡易な構成で除去することができる。 By the way, according to the coating film removing tool according to the present invention, the coating film removing tool is spread over two or more support portions extending in the traveling direction of the coating film removing tool as in each of the above-described embodiments. It can be made up of the linear members. In this case, a wide range of the coating film 102 can be removed with a simple configuration in which a linear member is hung between a plurality of support portions.
 例えば、図2を参照すれば、塗膜除去工具1Aは、2つのアーム部51(支持部)を互いに幅方向に間隔を置いて備えている。また、塗膜除去工具1Aにおいて、挿入部3は、2つのアーム部51に掛け渡されて幅方向に延在している線状部材3aである。また、例えば、図9に示すように、塗膜除去工具1Bも、線状部材3aの挿入部3を有し、アーム部51の構成も塗膜除去工具1Aと同様である。これらの各実施形態は、主として、導電性基材101の塗膜形成面101fが平面である場合を想定している。この場合、線状部材3aは、2つのアーム部51の間に線状部材を掛け渡しただけの簡易な構成で、幅方向の広い範囲で、塗膜102を除去することができる。 For example, referring to FIG. 2, the coating film removing tool 1A includes two arm portions 51 (support portions) at intervals in the width direction from each other. Further, in the coating film removing tool 1A, the insertion portion 3 is a linear member 3a extending over the two arm portions 51 and extending in the width direction. Further, for example, as shown in FIG. 9, the coating film removing tool 1B also has the insertion portion 3 of the linear member 3a, and the configuration of the arm portion 51 is the same as that of the coating film removing tool 1A. Each of these embodiments mainly assumes a case where the coating film forming surface 101f of the conductive base material 101 is a flat surface. In this case, the linear member 3a has a simple structure in which the linear member is simply hung between the two arm portions 51, and the coating film 102 can be removed in a wide range in the width direction.
 図14には、本発明に係る塗膜除去工具のフレーム5の変形例を示す。このフレーム5は、上述の各実施形態と同様、導電性基材101の塗膜形成面101fが平面である場合を想定している。このフレーム5は、2つのアーム部51の後端を直結させている。このため、図14のフレーム5は、連結部52が省略された簡易な構成となる。なお、このフレーム5において、前記電解液ストッパ部は、2つのアーム部51で構成されることとなる。 FIG. 14 shows a modified example of the frame 5 of the coating film removing tool according to the present invention. Similar to each of the above-described embodiments, the frame 5 assumes a case where the coating film forming surface 101f of the conductive base material 101 is a flat surface. The frame 5 directly connects the rear ends of the two arm portions 51. Therefore, the frame 5 of FIG. 14 has a simple configuration in which the connecting portion 52 is omitted. In the frame 5, the electrolytic solution stopper portion is composed of two arm portions 51.
 図15には、本発明に係る塗膜除去工具のフレーム5の他の変形例とともに、挿入部3の他の変形例を示す。このフレーム5は、導電性基材101の塗膜形成面101fが曲面である場合を想定している。このフレーム5は、3つのアーム部51を備える。3つのアーム部51は、連結部52を介して把持部53に連結されている。挿入部3は、円弧状に延在している線状部材3bである。この例では、線状部材3bは、3つのアーム部51に掛け渡されている。線状部材3bは、導電性基材101の塗膜形成面101fが円弧断面である場合に有効である。 FIG. 15 shows another modification of the frame 5 of the coating film removing tool according to the present invention, as well as another modification of the insertion portion 3. The frame 5 assumes a case where the coating film forming surface 101f of the conductive base material 101 is a curved surface. The frame 5 includes three arm portions 51. The three arm portions 51 are connected to the grip portion 53 via the connecting portion 52. The insertion portion 3 is a linear member 3b extending in an arc shape. In this example, the linear member 3b is hung on three arm portions 51. The linear member 3b is effective when the coating film forming surface 101f of the conductive base material 101 has an arc cross section.
 図16には、本発明に係る塗膜除去工具のフレーム5の他の変形例とともに、挿入部3の他の変形例を示す。このフレーム5は、導電性基材101の塗膜形成面101fが円筒面である場合を想定している。このフレーム5は、4つのアーム部51を備える。4つのアーム部51は、環状の連結部52に連結されている。連結部52の内径は、導電性基材101の塗膜形成面101fが円筒形の場合、当該塗膜形成面101fの外径と同径以上、好ましくは、導電性基材101の塗膜形成面101fの外径よりも大きな内径である。挿入部3は、環状に延在している線状部材3cである。この例では、線状部材3cは、4つのアーム部51に掛け渡されている。線状部材3cは、導電性基材101の塗膜形成面101fが円筒面である場合に有効である。なお、線状部材3cは、2以上のアーム部51に掛け渡された線状部材とすることができる。 FIG. 16 shows another modification of the frame 5 of the coating film removing tool according to the present invention, as well as another modification of the insertion portion 3. The frame 5 assumes a case where the coating film forming surface 101f of the conductive base material 101 is a cylindrical surface. The frame 5 includes four arm portions 51. The four arm portions 51 are connected to the annular connecting portion 52. When the coating film forming surface 101f of the conductive base material 101 is cylindrical, the inner diameter of the connecting portion 52 is equal to or larger than the outer diameter of the coating film forming surface 101f, preferably the coating film forming of the conductive base material 101. The inner diameter is larger than the outer diameter of the surface 101f. The insertion portion 3 is a linear member 3c extending in an annular shape. In this example, the linear member 3c is hung on four arm portions 51. The linear member 3c is effective when the coating film forming surface 101f of the conductive base material 101 is a cylindrical surface. The linear member 3c can be a linear member spanned by two or more arm portions 51.
 また、本発明に係る塗膜除去工具によれば、挿入部3は、当該塗膜除去工具の進行方向に延在する線状部材で構成されているものとすることもできる。この場合、細かい部分の塗膜102を、前記線状部材を当該塗膜除去工具の進行方向に延在させただけの簡易な構成で除去することができる。 Further, according to the coating film removing tool according to the present invention, the insertion portion 3 may be composed of a linear member extending in the traveling direction of the coating film removing tool. In this case, the coating film 102 in the fine portion can be removed by a simple configuration in which the linear member is extended in the traveling direction of the coating film removing tool.
 図17には、本発明に係る塗膜除去工具のフレーム5の他の変形例とともに、挿入部3の他の変形例を示す。このフレーム5は、塗膜除去工具1Aおよび1Bと同様のフレームである。挿入部3は、アーム部51の延在方向に沿って延在する線状部材3dである。この例では、挿入部3は、複数の線状部材3dを含んでいる。線状部材3dは、導電性基材101の塗膜形成面101fが凹凸面である場合に有効である。また、線状部材3dは、導電性基材101の塗膜形成面101fが凹凸面である場合の他に、ボルト・ナット等の隅部に形成された塗膜102を除去する際にも有効である。なお、本発明によれば、アーム部51は省略することができる。 FIG. 17 shows another modification of the frame 5 of the coating film removing tool according to the present invention, as well as another modification of the insertion portion 3. This frame 5 is the same frame as the coating film removing tools 1A and 1B. The insertion portion 3 is a linear member 3d extending along the extending direction of the arm portion 51. In this example, the insertion portion 3 includes a plurality of linear members 3d. The linear member 3d is effective when the coating film forming surface 101f of the conductive base material 101 is an uneven surface. Further, the linear member 3d is effective not only when the coating film forming surface 101f of the conductive base material 101 is an uneven surface, but also when removing the coating film 102 formed at the corners of bolts and nuts. Is. According to the present invention, the arm portion 51 can be omitted.
 図18は、本発明に係る塗膜除去工具のフレーム5とともに、挿入部3の他の変形例を示す。この例においても、挿入部3は、複数の挿入部を含んでいる。この例では、複数の挿入部3には、線状部材3aと、線状部材3dとが含まれる。詳細には、複数の挿入部3には、1つの線状部材3aと、複数の線状部材3dとが含まれる。図18において、フレーム5は、図17と同様のフレームである。この例では、複数の線状部材3dが導電性基材101の塗膜形成面101fの細かい部分(例えば、上述の凹凸面の部分)の塗膜102を除去する。また、この例では、1つの線状部材3aが、広い範囲の塗膜102を除去する。 FIG. 18 shows another modification of the insertion portion 3 together with the frame 5 of the coating film removing tool according to the present invention. In this example as well, the insertion portion 3 includes a plurality of insertion portions. In this example, the plurality of insertion portions 3 include a linear member 3a and a linear member 3d. Specifically, the plurality of insertion portions 3 includes one linear member 3a and a plurality of linear members 3d. In FIG. 18, the frame 5 is the same frame as in FIG. In this example, the plurality of linear members 3d remove the coating film 102 on the fine portion (for example, the above-mentioned uneven surface portion) of the coating film forming surface 101f of the conductive base material 101. Further, in this example, one linear member 3a removes a wide range of the coating film 102.
 図19は、本発明に係る塗膜除去工具の使用により、生じさせ得る電気分解反応の一例を概略的に示す。図19を参照すれば、一例としての電解液103は、その電気分解反応により、導電性基材101と塗膜102との間の界面Bの付近に、ヒロドキシラジカルを発生させ、当該ヒロドキシラジカルによって、導電性基材101と塗膜102との結合を切り離す。こうした電解液103としては、例えば、水溶性高分子化合物と、電解質と、水と、を含み、0.1S-1における粘度が、20Pa・s以上5000Pa・s以下であり、100S-1における粘度が、0.0001Pa・s以上40Pa・s以下であるものが挙げられる。なお、膜厚200μmの塗膜102を除去する場合、電源装置104の電圧は、例えば、20Vとすることができる。 FIG. 19 schematically shows an example of an electrolysis reaction that can be caused by using the coating film removing tool according to the present invention. Referring to FIG. 19, the electrolytic solution 103 as an example generates herodoxy radicals in the vicinity of the interface B between the conductive base material 101 and the coating film 102 by its electrolysis reaction, and the hiro The bond between the conductive base material 101 and the coating film 102 is broken by the doxy radical. As such an electrolytic solution 103, for example, a water-soluble polymer compound, an electrolyte, comprising: a water, a viscosity at 0.1 S -1 is not more than 20 Pa · s or more 5000 Pa · s, the viscosity at 100S -1 However, those having 0.0001 Pa · s or more and 40 Pa · s or less can be mentioned. When removing the coating film 102 having a film thickness of 200 μm, the voltage of the power supply device 104 can be, for example, 20 V.
 上述した各実施形態に係る塗膜除去工具は、例えば、橋、タンク等の大型構造物、タンカー等の船舶において、耐食性等を付与する目的で、導電性基材101に形成された塗膜102を除去するために使用することができる。また、自動車、鉄道車両などの車両、航空機、船舶、建築物、家具、建具、電化製品等の導電性基材をリサイクルする目的で導電性基材101に形成された塗膜102を除去するために使用することができる。導電性基材101の材料は、電力の供給により電流が流れるものであれば、特に限定されるものではない。具体例としては、金属、導電性樹脂によって形成されたものが挙げられる。 The coating film removing tool according to each of the above-described embodiments has a coating film 102 formed on the conductive base material 101 for the purpose of imparting corrosion resistance and the like in, for example, a large structure such as a bridge and a tank, and a ship such as a tanker. Can be used to remove. Further, in order to remove the coating film 102 formed on the conductive base material 101 for the purpose of recycling the conductive base material such as vehicles such as automobiles and railroad vehicles, aircraft, ships, buildings, furniture, fittings, and electrical appliances. Can be used for. The material of the conductive base material 101 is not particularly limited as long as a current flows by supplying electric power. Specific examples include those formed of a metal or a conductive resin.
 上述したところは、本発明のいくつかの実施形態について説明を行ったにすぎず、特許請求の範囲に従えば、様々な変更が可能となる。例えば、上述の各実施形態において、絶縁部4は省略することができる。また、上述した各実施形態に係る塗膜除去工具は、手動工具として説明したが、産業用ロボット等の自動制御装置に採用することができる。また、本発明によれば塗膜除去工具は、電源装置104とともに、塗膜除去装置を構成することができる。前記塗膜除去装置は、本発明に係る塗膜除去工具と、当該塗膜除去工具の電気分解用電極2と導電性基材101とに接続可能な電源装置104と、を備えるものとすることができる。この場合、本発明に係る塗膜除去工具は、電気分解用電極2と挿入部3とを備えるものとすることができる。上述した各実施形態に採用された様々な構成は、互いに組み合わせて使用することができる。また、上述した各実施形態に採用された様々な構成は、相互に適宜、置き換えることができる。 The above has only described some embodiments of the present invention, and various changes can be made according to the scope of claims. For example, in each of the above-described embodiments, the insulating portion 4 can be omitted. Further, although the coating film removing tool according to each of the above-described embodiments has been described as a manual tool, it can be adopted in an automatic control device such as an industrial robot. Further, according to the present invention, the coating film removing tool can form a coating film removing device together with the power supply device 104. The coating film removing device shall include a coating film removing tool according to the present invention, and a power supply device 104 capable of connecting the electrolysis electrode 2 of the coating film removing tool and the conductive base material 101. Can be done. In this case, the coating film removing tool according to the present invention may include an electrode 2 for electrolysis and an insertion portion 3. The various configurations adopted in each of the above-described embodiments can be used in combination with each other. In addition, the various configurations adopted in each of the above-described embodiments can be appropriately replaced with each other.
 1A:塗膜除去工具(第1実施形態), 1B:塗膜除去工具(第2実施形態), 2:電気分解用電極, 3:挿入部, 3a:線状部材, 3b:線状部材, 3c:線状部材, 3d:線状部材, 4:絶縁部, 5:フレーム, 51:アーム部(支持部:電解液ストッパ部), 52:連結部(電解液ストッパ部), 53:把持部, 101:導電性基材, 102:塗膜, 103:電解液, 104:電源装置 1A: Coating removal tool (1st embodiment), 1B: Coating removal tool (2nd embodiment), 2: Electrolysis electrode, 3: Insertion part, 3a: Linear member, 3b: Linear member, 3c: Linear member, 3d: Linear member, 4: Insulation part, 5: Frame, 51: Arm part (support part: electrolyte stopper part), 52: Connecting part (electrolyte liquid stopper part), 53: Grip part , 101: Conductive substrate, 102: Coating film, 103: Electrolyte, 104: Power supply device

Claims (8)

  1.  導電性基材上に形成された塗膜を電気分解により除去するための塗膜除去工具であって、
     電気分解用電極と、
     前記導電性基材と前記塗膜との間に挿入可能な挿入部と、
     を備えた、塗膜除去工具。
    A coating film removing tool for removing a coating film formed on a conductive substrate by electrolysis.
    Electrodes for electrolysis and
    An insertion portion that can be inserted between the conductive base material and the coating film,
    A coating removal tool equipped with.
  2.  前記電気分解用電極と前記導電性基材との接触を防ぐ絶縁部をさらに備えた、請求項1に記載の塗膜除去工具。 The coating film removing tool according to claim 1, further comprising an insulating portion that prevents contact between the electrolysis electrode and the conductive base material.
  3.  前記電気分解用電極と前記絶縁部との間に、隙間を有する、請求項2に記載の塗膜除去工具。 The coating film removing tool according to claim 2, which has a gap between the electrolysis electrode and the insulating portion.
  4.  前記電気分解用電極と前記絶縁部との間に、隙間を有しない、請求項2に記載の塗膜除去工具。 The coating film removing tool according to claim 2, which has no gap between the electrolysis electrode and the insulating portion.
  5.  前記挿入部は、電解液を保持可能である、請求項1~4のいずれか1項に記載の塗膜除去工具。 The coating film removing tool according to any one of claims 1 to 4, wherein the insertion portion can hold an electrolytic solution.
  6.  電解液ストッパ部をさらに備えた、請求項1~5のいずれか1項に記載の塗膜除去工具。 The coating film removing tool according to any one of claims 1 to 5, further comprising an electrolytic solution stopper portion.
  7.  前記挿入部は、前記工具の進行方向に延在する2つ以上の支持部に掛け渡された線状部材で構成されている、請求項1~6のいずれか1項に記載の塗膜除去工具。 The coating film removal according to any one of claims 1 to 6, wherein the insertion portion is composed of a linear member spanned over two or more support portions extending in the traveling direction of the tool. tool.
  8.  前記挿入部は、前記工具の進行方向に延在する線状部材で構成されている、請求項1~7のいずれか1項に記載の塗膜除去工具。 The coating film removing tool according to any one of claims 1 to 7, wherein the insertion portion is composed of a linear member extending in the traveling direction of the tool.
PCT/JP2020/022413 2019-06-07 2020-06-05 Coating film removing tool WO2020246605A1 (en)

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Citations (8)

* Cited by examiner, † Cited by third party
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JPS6357800A (en) * 1986-08-26 1988-03-12 Chem Yamamoto:Kk Method for removing zinc film formed on surface of iron and steel products
JPS63100000A (en) * 1986-10-17 1988-05-02 第一高周波工業株式会社 Corrosionproof film removing method of corrosionproof coated steel pipe
JP2001334799A (en) * 2000-05-24 2001-12-04 Mitsubishi Heavy Ind Ltd Apparatus and method for removing coated film
JP2005046759A (en) * 2003-07-30 2005-02-24 Matsushita Electric Ind Co Ltd Coating film removal method and coating film removal apparatus
JP2007105646A (en) * 2005-10-14 2007-04-26 Asahi Kasei Homes Kk Scraper and removing method of coating film
JP2010119971A (en) * 2008-11-20 2010-06-03 Panasonic Electric Works Co Ltd Method for removing coating film by applying electric current and method for repairing coating film
JP2015123407A (en) * 2013-12-26 2015-07-06 首都高メンテナンス東東京株式会社 Painting peeling method
JP2015182024A (en) * 2014-03-25 2015-10-22 Jfeエンジニアリング株式会社 Peeling method of coating film

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6357800A (en) * 1986-08-26 1988-03-12 Chem Yamamoto:Kk Method for removing zinc film formed on surface of iron and steel products
JPS63100000A (en) * 1986-10-17 1988-05-02 第一高周波工業株式会社 Corrosionproof film removing method of corrosionproof coated steel pipe
JP2001334799A (en) * 2000-05-24 2001-12-04 Mitsubishi Heavy Ind Ltd Apparatus and method for removing coated film
JP2005046759A (en) * 2003-07-30 2005-02-24 Matsushita Electric Ind Co Ltd Coating film removal method and coating film removal apparatus
JP2007105646A (en) * 2005-10-14 2007-04-26 Asahi Kasei Homes Kk Scraper and removing method of coating film
JP2010119971A (en) * 2008-11-20 2010-06-03 Panasonic Electric Works Co Ltd Method for removing coating film by applying electric current and method for repairing coating film
JP2015123407A (en) * 2013-12-26 2015-07-06 首都高メンテナンス東東京株式会社 Painting peeling method
JP2015182024A (en) * 2014-03-25 2015-10-22 Jfeエンジニアリング株式会社 Peeling method of coating film

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