JP6725400B2 - Method for manufacturing film joined body - Google Patents

Method for manufacturing film joined body Download PDF

Info

Publication number
JP6725400B2
JP6725400B2 JP2016222959A JP2016222959A JP6725400B2 JP 6725400 B2 JP6725400 B2 JP 6725400B2 JP 2016222959 A JP2016222959 A JP 2016222959A JP 2016222959 A JP2016222959 A JP 2016222959A JP 6725400 B2 JP6725400 B2 JP 6725400B2
Authority
JP
Japan
Prior art keywords
film
film member
roller
electrolyte membrane
joining
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.)
Active
Application number
JP2016222959A
Other languages
Japanese (ja)
Other versions
JP2018081808A (en
Inventor
文美 黒須
文美 黒須
正浩 畑岡
正浩 畑岡
裕紀 牧元
裕紀 牧元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP2016222959A priority Critical patent/JP6725400B2/en
Publication of JP2018081808A publication Critical patent/JP2018081808A/en
Application granted granted Critical
Publication of JP6725400B2 publication Critical patent/JP6725400B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)

Description

本発明は、支持フィルムが設けられたフィルム状の電解質膜を有する第１フィルム部材とフィルム状の電極を有する第２フィルム部材とを搬送ローラで搬送しながら互いに重ね合わせて２つの接合ローラで挟んで押圧することにより前記電解質膜と前記電極とを接合してフィルム接合体を製造するフィルム接合体の製造方法に関する。 According to the present invention, a first film member having a film-shaped electrolyte membrane provided with a support film and a second film member having a film-shaped electrode are superposed on each other while being conveyed by a conveying roller, and are sandwiched by two joining rollers. The present invention relates to a method for producing a film joined body, in which the electrolyte membrane and the electrode are joined to each other by pressing to produce a film joined body.

一般的に、固体高分子型燃料電池は、電解質膜・電極構造体（ＭＥＡ）を備えている。電解質膜・電極構造体は、高分子イオン交換膜からなる固体高分子電解質膜と、固体高分子電解質膜の一方の面に設けられたアノード電極と、固体高分子電解質膜の他方の面に設けられたカソード電極とを有する。 Generally, a polymer electrolyte fuel cell includes an electrolyte membrane/electrode structure (MEA). The electrolyte membrane/electrode structure is provided with a solid polymer electrolyte membrane composed of a polymer ion exchange membrane, an anode electrode provided on one surface of the solid polymer electrolyte membrane, and the other surface of the solid polymer electrolyte membrane. And a cathode electrode provided.

電解質膜・電極構造体は、ロール・ツー・ロール方式により製造される（特許文献１〜６参照）。この製造方法では、例えば、フィルム状の電解質膜とフィルム状の電極とを搬送しながら互いに重ね合わせて２つの加熱ローラで挟んで押圧して接合することによりフィルム接合体を製造している（特許文献１及び２参照）。 The electrolyte membrane/electrode structure is manufactured by a roll-to-roll method (see Patent Documents 1 to 6). In this manufacturing method, for example, a film-shaped electrolyte membrane and a film-shaped electrode are conveyed while being superposed on each other, and sandwiched between two heating rollers to be pressed and bonded to each other (Patent References 1 and 2).

特開２０１４−２０３５２３号公報JP, 2014-203523, A 特開２００９−０３７９１６号公報JP, 2009-037916, A 特開２０１０−１７６８９７号公報JP, 2010-176897, A 特開２００７−０８７７７５号公報JP, 2007-087775, A 特開２０１０−１１８２３７号公報JP, 2010-118237, A 特開２０１６−０９１９９７号公報JP, 2016-091997, A

しかしながら、上述した特許文献１及び２のような従来技術では、フィルム接合体の製造を中断した際（フィルムの搬送を停止した際）に、発熱状態の加熱ローラがフィルム部材に接触するため、加熱ローラにフィルム部材が熱溶着することがある。 However, in the prior arts such as the above-mentioned Patent Documents 1 and 2, when the production of the film joined body is interrupted (when the transport of the film is stopped), the heating roller in the heat generating state comes into contact with the film member. The film member may be heat-welded to the roller.

このような問題は、準備段階で加熱ローラを昇温する際に、当該加熱ローラがフィルム部材に接触している場合にも起こり得る。 Such a problem can occur even when the heating roller is in contact with the film member when the temperature of the heating roller is raised in the preparation stage.

本発明は、このような課題を考慮してなされたものであり、加熱ローラにフィルム部材が熱溶着することを抑えることができるフィルム接合体の製造方法を提供することを目的とする。 The present invention has been made in consideration of such problems, and an object of the present invention is to provide a method for manufacturing a film joined body capable of suppressing the heat welding of a film member to a heating roller.

本発明に係るフィルム接合体の製造方法は、支持フィルムが設けられたフィルム状の電解質膜を有する第１フィルム部材とフィルム状の電極を有する第２フィルム部材とを搬送ローラで搬送しながら互いに重ね合わせて２つの接合ローラで挟んで押圧することにより、電解質膜と電極とを互いに接合してフィルム接合体を製造する。 A method for manufacturing a film joined body according to the present invention includes a first film member having a film-shaped electrolyte membrane provided with a support film and a second film member having a film-shaped electrode, which are stacked on each other while being conveyed by a conveying roller. By sandwiching and pressing the two joint rollers together, the electrolyte membrane and the electrodes are joined to each other to manufacture a film joined body.

２つの接合ローラは、第１フィルム部材及び第２フィルム部材を加熱する加熱ローラと駆動ローラとで構成され、加熱ローラは、第１フィルム部材及び第２フィルム部材を押圧する押圧位置と、第１フィルム部材及び第２フィルム部材から離間した退避位置に移動可能である。
The two joining rollers are composed of a heating roller for heating the first film member and the second film member and a driving roller, and the heating roller has a pressing position for pressing the first film member and the second film member, and a first roller . It is movable to a retracted position separated from the film member and the second film member.

そして、このフィルム接合体の製造方法では、第１フィルム部材及び第２フィルム部材の搬送が停止されている状態で、発熱状態の加熱ローラを退避位置に配置し、電解質膜及び電極を互いに接合する際に、駆動ローラを第２フィルム部材に接触させるとともに加熱ローラを支持フィルムに接触させる。
Then, in this method for manufacturing a film joined body, the heating roller in a heat generating state is arranged at the retracted position while the conveyance of the first film member and the second film member is stopped , and the electrolyte membrane and the electrode are joined to each other. when, Ru is brought into contact with the support film heating roller with contacting the drive roller to the second film member.

このフィルム接合体の製造方法では、加熱ローラの昇温時に加熱ローラを退避位置に配置することが好ましい。 In this method for manufacturing a film joined body, it is preferable to dispose the heating roller at the retracted position when the temperature of the heating roller is raised.

このフィルム接合体の製造方法では、２つの接合ローラによる電解質膜と電極との接合中に第１フィルム部材及び第２フィルム部材の搬送が停止された際に、発熱状態の加熱ローラを押圧位置から退避位置に移動させることが好ましい。 In this method for manufacturing a film joined body, when the conveyance of the first film member and the second film member is stopped during the joining of the electrolyte membrane and the electrode by the two joining rollers, the heating roller in the heat generating state is pressed from the pressing position. It is preferable to move it to the retracted position.

本発明によれば、第１フィルム部材及び第２フィルム部材の搬送が停止された状態で、発熱状態の加熱ローラを第１フィルム部材及び第２フィルム部材から離間した退避位置に配置しているため、加熱ローラにフィルム部材（第１フィルム部材及び第２フィルム部材）が熱溶着することを抑えることができる。 According to the present invention, the heating roller in the heat generating state is arranged at the retracted position separated from the first film member and the second film member in a state where the conveyance of the first film member and the second film member is stopped. It is possible to prevent the film members (the first film member and the second film member) from being heat-welded to the heating roller.

本発明の一実施形態に係るフィルム接合体の製造方法に用いられるフィルム接合体の製造装置の概略構成図である。It is a schematic block diagram of the manufacturing apparatus of the film bonded body used for the manufacturing method of the film bonded body which concerns on one Embodiment of this invention. 図２Ａは第１フィルム部材の一部省略縦断面図であり、図２Ｂは第２フィルム部材に層間紙が設けられた状態を示す一部省略縦断面図であり、図２Ｃはフィルム接合体に支持フィルムが設けられた状態を示す一部省略縦断面図であり、図２Ｄはフィルム接合体の一部省略縦断面図である。2A is a partially omitted vertical sectional view of the first film member, FIG. 2B is a partially omitted vertical sectional view showing a state in which an interlayer paper is provided on the second film member, and FIG. 2C is a film joined body. FIG. 2D is a partially omitted vertical sectional view showing a state in which a support film is provided, and FIG. 2D is a partially omitted vertical sectional view of a film joined body. フィルム接合体の製造方法の一例を示すフローチャートである。It is a flowchart which shows an example of the manufacturing method of a film joined body. 退避位置にある第１接合ローラを昇温している状態を示す説明図である。It is explanatory drawing which shows the state which is heating up the 1st joining roller in a retracted position. 第１フィルム部材と第２フィルム部材とを互いに接合している状態を示す説明図である。It is explanatory drawing which shows the state which has joined the 1st film member and the 2nd film member mutually. 第１フィルム部材及び第２フィルム部材の搬送停止時に第１接合ローラを押圧位置から退避位置に移動させた状態を示す説明図である。It is explanatory drawing which shows the state which moved the 1st joining roller from the pressing position to the retracted position at the time of conveyance stop of a 1st film member and a 2nd film member. 電解質膜・電極構造体の一部省略縦断面図である。It is a partially omitted vertical cross-sectional view of an electrolyte membrane/electrode structure.

以下、本発明に係るフィルム接合体の製造方法について好適な実施形態を挙げ、添付の図面を参照しながら説明する。 Preferred embodiments of the method for producing a film joined body according to the present invention will be described below with reference to the accompanying drawings.

図７に示すように、本発明の一実施形態に係るフィルム接合体３４の製造方法は、燃料電池の電解質膜・電極構造体１０を製造に用いられるものである。まず、電解質膜・電極構造体１０について説明する。電解質膜・電極構造体１０は、図示しないアノード側セパレータ及びカソード側セパレータに挟持されて燃料電池の発電セルを構成する。 As shown in FIG. 7, the method for manufacturing the film assembly 34 according to one embodiment of the present invention is used for manufacturing the electrolyte membrane/electrode structure 10 of a fuel cell. First, the electrolyte membrane/electrode structure 10 will be described. The electrolyte membrane/electrode structure 10 is sandwiched between an anode-side separator and a cathode-side separator (not shown) to form a power generation cell of a fuel cell.

電解質膜・電極構造体１０は、水分を含んだパーフルオロスルホン酸の薄膜である固体高分子電解質膜１２と、固体高分子電解質膜１２を挟持するアノード電極１４及びカソード電極１６とを備える。固体高分子電解質膜１２は、陽イオン交換膜であり、フッ素系電解質の他、ＨＣ（炭化水素）系電解質膜を使用してもよい。 The electrolyte membrane/electrode structure 10 includes a solid polymer electrolyte membrane 12 that is a thin film of perfluorosulfonic acid containing water, and an anode electrode 14 and a cathode electrode 16 that sandwich the solid polymer electrolyte membrane 12 therebetween. The solid polymer electrolyte membrane 12 is a cation exchange membrane, and in addition to a fluorine-based electrolyte, an HC (hydrocarbon)-based electrolyte membrane may be used.

アノード電極１４は、固体高分子電解質膜１２の一方の面に設けられ、カソード電極１６は、固体高分子電解質膜１２の他方の面に設けられている。アノード電極１４は、固体高分子電解質膜１２よりも小さな平面寸法（外形寸法）を有し、カソード電極１６は、固体高分子電解質膜１２と同一の平面寸法を有している。ただし、アノード電極１４は、固体高分子電解質膜１２と同一の平面寸法を有し、カソード電極１６は、固体高分子電解質膜１２よりも小さな平面寸法を有していてもよい。また、アノード電極１４及びカソード電極１６の両方が、固体高分子電解質膜１２よりも小さな平面寸法を有していてもよい。 The anode electrode 14 is provided on one surface of the solid polymer electrolyte membrane 12, and the cathode electrode 16 is provided on the other surface of the solid polymer electrolyte membrane 12. The anode electrode 14 has a smaller planar dimension (outer dimension) than the solid polymer electrolyte membrane 12, and the cathode electrode 16 has the same planar dimension as the solid polymer electrolyte membrane 12. However, the anode electrode 14 may have the same plane size as the solid polymer electrolyte membrane 12, and the cathode electrode 16 may have the plane size smaller than that of the solid polymer electrolyte membrane 12. Further, both the anode electrode 14 and the cathode electrode 16 may have a planar dimension smaller than that of the solid polymer electrolyte membrane 12.

アノード電極１４は、固体高分子電解質膜１２の一方の面に接合された電極触媒層１８と、電極触媒層１８に積層されたガス拡散層２０とを備える。電極触媒層１８は、白金合金が表面に担持された多孔質カーボン粒子がガス拡散層２０の表面に一様に塗布されて形成されている。ガス拡散層２０は、多孔性と導電性を有するマイクロポーラス層２２と、カーボンペーパ又はカーボンクロス等のカーボン層２４とから形成される。 The anode electrode 14 includes an electrode catalyst layer 18 bonded to one surface of the solid polymer electrolyte membrane 12 and a gas diffusion layer 20 laminated on the electrode catalyst layer 18. The electrode catalyst layer 18 is formed by uniformly coating the surface of the gas diffusion layer 20 with porous carbon particles carrying a platinum alloy on the surface. The gas diffusion layer 20 is formed of a microporous layer 22 having porosity and conductivity, and a carbon layer 24 such as carbon paper or carbon cloth.

カソード電極１６は、固体高分子電解質膜１２の他方の面に接合された電極触媒層２６と、電極触媒層２６に積層されたガス拡散層２８とを備える。電極触媒層２６は、白金合金が表面に担持された多孔質カーボン粒子がガス拡散層２８の表面に一様に塗布されて形成されている。ガス拡散層２８は、多孔性と導電性を有するマイクロポーラス層３０と、カーボンペーパ又はカーボンクロス等のカーボン層３２とから形成される。 The cathode electrode 16 includes an electrode catalyst layer 26 joined to the other surface of the solid polymer electrolyte membrane 12 and a gas diffusion layer 28 laminated on the electrode catalyst layer 26. The electrode catalyst layer 26 is formed by uniformly coating the surface of the gas diffusion layer 28 with porous carbon particles carrying a platinum alloy on the surface. The gas diffusion layer 28 is formed of a microporous layer 30 having porosity and conductivity, and a carbon layer 32 such as carbon paper or carbon cloth.

マイクロポーラス層２２及びマイクロポーラス層３０は、必要に応じて設ければよく、不要にすることもできる。 The microporous layer 22 and the microporous layer 30 may be provided as necessary and may be omitted.

このような電解質膜・電極構造体１０を製造する場合、例えば、固体高分子電解質膜１２とカソード電極１６とが接合されたフィルム接合体３４を製造した後、そのフィルム接合体３４の固体高分子電解質膜１２にアノード電極１４を接合することによって製造される。 When manufacturing such an electrolyte membrane/electrode structure 10, for example, after manufacturing the film assembly 34 in which the solid polymer electrolyte membrane 12 and the cathode electrode 16 are bonded, the solid polymer of the film assembly 34 is manufactured. It is manufactured by bonding the anode electrode 14 to the electrolyte membrane 12.

次に、フィルム接合体３４の製造装置４０について説明する。図１に示すように、フィルム接合体３４の製造装置４０は、フィルム状の部材を搬送する複数の搬送ローラ４２を備えている。つまり、フィルム接合体３４は、ロール・ツー・ロール方式により製造される。また、フィルム接合体３４の製造装置４０は、第１フィルムロール４４、第２フィルムロール４６、層間紙除去機構４８、接合機構５０、剥離機構５２及び巻き取り部５４を備える。 Next, the manufacturing apparatus 40 of the film joined body 34 will be described. As shown in FIG. 1, the manufacturing apparatus 40 of the film joined body 34 includes a plurality of transport rollers 42 that transport the film-shaped member. That is, the film joined body 34 is manufactured by the roll-to-roll method. The manufacturing apparatus 40 of the film joined body 34 includes a first film roll 44, a second film roll 46, an interlayer paper removing mechanism 48, a joining mechanism 50, a peeling mechanism 52, and a winding unit 54.

第１フィルムロール４４は、第１フィルム部材５６が巻回されたものである。図２Ａにおいて、第１フィルム部材５６は、フィルム状の固体高分子電解質膜１２の一方の面に支持フィルム５８が剥離可能に接着されて構成されている。支持フィルム５８は、固体高分子電解質膜１２の一方の面を保護するものであって、例えば、ＰＥＴ（ポリエチレンテレフタレート）、ＰＥＮ（ポリエチレンナフタレート）等のポリエステル樹脂、ポリスチレン樹脂等で構成されている。第１フィルムロール４４の第１フィルム部材５６は、搬送ローラ４２によって接合機構５０に搬送される。 The first film roll 44 is formed by winding the first film member 56. In FIG. 2A, the first film member 56 is configured such that the support film 58 is releasably adhered to one surface of the film-shaped solid polymer electrolyte membrane 12. The support film 58 protects one surface of the solid polymer electrolyte membrane 12, and is made of, for example, a polyester resin such as PET (polyethylene terephthalate) or PEN (polyethylene naphthalate), a polystyrene resin, or the like. .. The first film member 56 of the first film roll 44 is transported to the joining mechanism 50 by the transport roller 42.

図１に示すように、第２フィルムロール４６は、第２フィルム部材６０が巻回されたものである。第２フィルムロール４６には、カソード電極１６である第２フィルム部材６０を保護するための層間紙６２が配設されている（図２Ｂ参照）。第２フィルムロール４６の第２フィルム部材６０は、搬送ローラ４２によって接合機構５０に搬送される。 As shown in FIG. 1, the second film roll 46 is formed by winding the second film member 60. The second film roll 46 is provided with an interlayer paper 62 for protecting the second film member 60 which is the cathode electrode 16 (see FIG. 2B). The second film member 60 of the second film roll 46 is transported to the joining mechanism 50 by the transport roller 42.

層間紙除去機構４８は、第２フィルムロール４６から第２フィルム部材６０とともに送り出された層間紙６２を第２フィルム部材６０から除去するための除去ローラ６４と、除去ローラ６４で除去された層間紙６２が巻回される層間紙巻き取り部６６とを有する。 The interlayer paper removing mechanism 48 removes the interlayer paper 62 sent from the second film roll 46 together with the second film member 60 from the second film member 60, and the interlayer paper removed by the removing roller 64. And an inter-layer paper take-up unit 66 around which 62 is wound.

図１及び図５に示すように、接合機構５０は、第１フィルムロール４４から搬送された第１フィルム部材５６の固体高分子電解質膜１２と第２フィルムロール４６から搬送された第２フィルム部材６０であるカソード電極１６とを互いに接合するものであって、第１接合ローラ（ニップローラ）６８と第２接合ローラ７０とを備える。第１接合ローラ６８は、第１フィルム部材５６に対して第２フィルム部材６０とは反対側に配置され、第２接合ローラ７０は、第２フィルム部材６０に対して第１フィルム部材５６とは反対側に配置されている。 As shown in FIGS. 1 and 5, the joining mechanism 50 includes the solid polymer electrolyte membrane 12 of the first film member 56 conveyed from the first film roll 44 and the second film member conveyed from the second film roll 46. The cathode electrode 16 which is 60 is bonded to each other, and includes a first bonding roller (nip roller) 68 and a second bonding roller 70. The first joining roller 68 is arranged on the side opposite to the second film member 60 with respect to the first film member 56, and the second joining roller 70 is different from the first film member 56 with respect to the second film member 60. It is located on the opposite side.

第１接合ローラ６８は、加熱ローラとして構成されており、例えば、通電されることによって発熱するヒータ部７２を有している。図１に示すように、第１接合ローラ６８は、第１フィルム部材５６の支持フィルム５８に接触する押圧位置と、第１フィルム部材５６及び第２フィルム部材６０から離間した退避位置とに移動可能に構成されている。なお、図１では、押圧位置にある第１接合ローラ６８を実線で示し、退避位置にある第１接合ローラ６８を仮想線で示している。 The first joining roller 68 is configured as a heating roller, and has, for example, a heater portion 72 that generates heat when energized. As shown in FIG. 1, the first joining roller 68 can be moved between a pressing position where the first film member 56 contacts the support film 58 and a retracted position where the first film member 56 and the second film member 60 are separated from each other. Is configured. In FIG. 1, the first joining roller 68 at the pressing position is shown by a solid line, and the first joining roller 68 at the retracted position is shown by a virtual line.

具体的には、第１接合ローラ６８は、退避位置で第１フィルム部材５６に対して第２接合ローラ７０が位置する側と反対側に離間している。すなわち、第１接合ローラ６８は、退避位置で第１フィルム部材５６及び第２フィルム部材６０に対して非接触である。 Specifically, the first joining roller 68 is separated from the first film member 56 on the side opposite to the side where the second joining roller 70 is located at the retracted position. That is, the first joining roller 68 is not in contact with the first film member 56 and the second film member 60 at the retracted position.

図１及び図５に示すように、第２接合ローラ７０は、図示しないモータの作用によって回転する駆動ローラとして構成されている。第２接合ローラ７０は、第２フィルム部材６０（カソード電極１６のカーボン層３２）に接触する。 As shown in FIGS. 1 and 5, the second joining roller 70 is configured as a drive roller that is rotated by the action of a motor (not shown). The second joining roller 70 contacts the second film member 60 (the carbon layer 32 of the cathode electrode 16).

図１において、剥離機構５２は、接合機構５０から送り出されたフィルム接合体３４から支持フィルム５８を剥離する剥離ローラ７４と、剥離ローラ７４で剥離された支持フィルム５８を巻き取る支持フィルム巻き取り部７６とを有する。 In FIG. 1, the peeling mechanism 52 includes a peeling roller 74 that peels the support film 58 from the film bonded body 34 sent from the bonding mechanism 50, and a support film winding unit that winds the support film 58 peeled by the peeling roller 74. And 76.

巻き取り部５４は、剥離機構５２から搬送されたフィルム接合体３４を層間紙ロール７８から供給された層間紙８０を重ね合わせた状態で巻き取る。 The winding unit 54 winds the film bonded body 34 conveyed from the peeling mechanism 52 in a state where the interlayer paper 80 supplied from the interlayer paper roll 78 is overlapped.

フィルム接合体３４の製造装置４０は、基本的には以上のように構成されるものであり、次に、本実施形態に係るフィルム接合体３４の製造方法について図３のフローチャートを参照しながら説明する。 The manufacturing apparatus 40 for the film joined body 34 is basically configured as described above. Next, a method for manufacturing the film joined body 34 according to the present embodiment will be described with reference to the flowchart in FIG. 3. To do.

まず、図１に示すように、第１接合ローラ６８を退避位置に配置し（図３のステップＳ１）、第１フィルムロール４４の第１フィルム部材５６と第２フィルムロール４６の第２フィルム部材６０をフィルム接合体３４の製造装置４０にセットする（ステップＳ２）。 First, as shown in FIG. 1, the first joining roller 68 is arranged in the retracted position (step S1 in FIG. 3), and the first film member 56 of the first film roll 44 and the second film member of the second film roll 46 are arranged. 60 is set in the manufacturing apparatus 40 of the film joined body 34 (step S2).

その後、ヒータ部７２に通電することにより第１接合ローラ６８を昇温する（ステップＳ３）。この際、図４に示すように、第１接合ローラ６８は第１フィルム部材５６及び第２フィルム部材６０に対して非接触であるため、第１フィルム部材５６及び第２フィルム部材６０が第１接合ローラ６８に熱溶着することはない。 Thereafter, the heater 72 is energized to raise the temperature of the first joining roller 68 (step S3). At this time, as shown in FIG. 4, the first joining roller 68 is not in contact with the first film member 56 and the second film member 60, so that the first film member 56 and the second film member 60 are not in contact with each other. It is not heat-welded to the joining roller 68.

続いて、第１フィルム部材５６及び第２フィルム部材６０の搬送を開始し（ステップＳ４）、第１接合ローラ６８を退避位置から押圧位置に移動させる（ステップＳ５）。 Then, the conveyance of the first film member 56 and the second film member 60 is started (step S4), and the first joining roller 68 is moved from the retracted position to the pressing position (step S5).

そうすると、第１フィルムロール４４の第１フィルム部材５６が搬送ローラ４２によって接合機構５０に搬送され、第２フィルムロール４６の第２フィルム部材６０が搬送ローラ４２によって接合機構５０に搬送される。なお、第２フィルムロール４６から第２フィルム部材６０とともに送り出された層間紙６２は、除去ローラ６４によって第２フィルム部材６０から除去されて層間紙巻き取り部６６に巻き取られる。 Then, the first film member 56 of the first film roll 44 is transported to the bonding mechanism 50 by the transport roller 42, and the second film member 60 of the second film roll 46 is transported to the bonding mechanism 50 by the transport roller 42. The interlayer paper 62 sent out from the second film roll 46 together with the second film member 60 is removed from the second film member 60 by the removing roller 64 and wound on the interlayer paper take-up unit 66.

図５に示すように、接合機構５０に搬送された第１フィルム部材５６と第２フィルム部材６０は、互いに重ね合される。具体的には、第１フィルム部材５６の固体高分子電解質膜１２と第２フィルム部材６０の電極触媒層２６とが互いに接触する。そして、積層された第１フィルム部材５６と第２フィルム部材６０は、接合機構５０によって互いに接合される（ステップＳ６）。具体的には、第１フィルム部材５６と第２フィルム部材６０とが押圧位置にある第１接合ローラ６８と第２接合ローラ７０とに挟まれて押圧及び加熱されることによって、固体高分子電解質膜１２と電極触媒層２６とが互いに接合されてフィルム接合体３４が形成される（図２Ｃ参照）。 As shown in FIG. 5, the first film member 56 and the second film member 60 conveyed to the joining mechanism 50 are overlapped with each other. Specifically, the solid polymer electrolyte membrane 12 of the first film member 56 and the electrode catalyst layer 26 of the second film member 60 are in contact with each other. Then, the laminated first film member 56 and second film member 60 are joined to each other by the joining mechanism 50 (step S6). Specifically, the first film member 56 and the second film member 60 are sandwiched between the first bonding roller 68 and the second bonding roller 70 located at the pressing position and pressed and heated, whereby the solid polymer electrolyte The membrane 12 and the electrode catalyst layer 26 are bonded to each other to form the film bonded body 34 (see FIG. 2C).

図１に示すように、接合機構５０から送り出されたフィルム接合体３４は、剥離機構５２に搬送される。そして、支持フィルム５８が剥離ローラ７４によってフィルム接合体３４から剥離される（ステップＳ７、図２Ｄ参照）。剥離された支持フィルム５８は、支持フィルム巻き取り部７６に巻き取られる。 As shown in FIG. 1, the film bonded body 34 sent out from the bonding mechanism 50 is conveyed to the peeling mechanism 52. Then, the support film 58 is peeled off from the film joined body 34 by the peeling roller 74 (step S7, see FIG. 2D). The peeled support film 58 is wound around the support film winding portion 76.

支持フィルム５８が剥離されたフィルム接合体３４は、層間紙ロール７８から供給された層間紙８０が重ね合された状態で巻き取り部５４に巻き取られる（ステップＳ８）。これにより、フィルム接合体３４が製造される。 The film bonded body 34 from which the support film 58 has been peeled off is wound around the winding unit 54 in a state where the interlayer paper 80 supplied from the interlayer paper roll 78 is overlapped (step S8). Thereby, the film joined body 34 is manufactured.

フィルム接合体３４の製造を継続する場合、第１フィルム部材５６及び第２フィルム部材６０の搬送を継続し（ステップＳ９：ＮＯ）、上述した図３のステップＳ６〜ステップＳ８の工程が行われる。一方、フィルム接合体３４の製造を中断する（フィルム接合体３４の製造装置４０の稼働を停止する）場合、第１フィルム部材５６及び第２フィルム部材６０の搬送を停止し（ステップＳ９：ＹＥＳ）、図６に示すように、第１接合ローラ６８を押圧位置から退避位置に移動させる（ステップＳ１０）。 When the production of the film joined body 34 is continued, the transport of the first film member 56 and the second film member 60 is continued (step S9: NO), and the above-described steps S6 to S8 of FIG. 3 are performed. On the other hand, when the production of the film joined body 34 is interrupted (the operation of the manufacturing apparatus 40 for the film joined body 34 is stopped), the conveyance of the first film member 56 and the second film member 60 is stopped (step S9: YES). As shown in FIG. 6, the first joining roller 68 is moved from the pressing position to the retracted position (step S10).

これにより、第１接合ローラ６８は、第１フィルム部材５６及び第２フィルム部材６０に対して離間する。そのため、第１フィルム部材５６及び第２フィルム部材６０が第１接合ローラ６８に熱溶着することはない。 As a result, the first joining roller 68 is separated from the first film member 56 and the second film member 60. Therefore, the first film member 56 and the second film member 60 are not heat-welded to the first joining roller 68.

図６の例では、第２接合ローラ７０は、第２フィルム部材６０に接触している。しかしながら、第２接合ローラ７０は加熱ローラではないため、第２フィルム部材６０が第２接合ローラ７０に熱溶着することはない。なお、第２接合ローラ７０は、加熱ローラとして構成してもよい。この場合、第２接合ローラ７０に接触する第２フィルム部材６０がカーボン層３２、マイクロポーラス層３０及びガス拡散層２８で形成されたカソード電極１６であるため、第２接合ローラ７０が加熱ローラであっても、第２フィルム部材６０（カソード電極１６）が第２接合ローラ７０に貼り付いたり溶着したりする不具合は発生し難い。ただし、第２接合ローラ７０は、第２フィルム部材６０から離間させてもよいことは勿論である。 In the example of FIG. 6, the second joining roller 70 is in contact with the second film member 60. However, since the second joining roller 70 is not a heating roller, the second film member 60 does not heat-weld to the second joining roller 70. The second joining roller 70 may be configured as a heating roller. In this case, since the second film member 60 contacting the second joining roller 70 is the cathode electrode 16 formed of the carbon layer 32, the microporous layer 30, and the gas diffusion layer 28, the second joining roller 70 is a heating roller. Even if there is, the problem that the second film member 60 (cathode electrode 16) is stuck or welded to the second joining roller 70 is unlikely to occur. However, it goes without saying that the second joining roller 70 may be separated from the second film member 60.

その後、第１接合ローラ６８のヒータ部７２への通電を停止することにより第１接合ローラ６８の加熱を停止する（ステップＳ１１）。 Then, the heating of the first joining roller 68 is stopped by stopping the energization of the heater portion 72 of the first joining roller 68 (step S11).

このようにして製造されたフィルム接合体３４は、所定の大きさに加工され、フィルム接合体３４の固体高分子電解質膜１２にアノード電極１４が接合される。これにより、図７に示す燃料電池用の電解質膜・電極構造体１０が製造される。 The film bonded body 34 thus manufactured is processed into a predetermined size, and the anode electrode 14 is bonded to the solid polymer electrolyte membrane 12 of the film bonded body 34. As a result, the electrolyte membrane/electrode structure 10 for a fuel cell shown in FIG. 7 is manufactured.

本実施形態によれば、第１フィルム部材５６及び第２フィルム部材６０の搬送が停止されている状態で、発熱状態の第１接合ローラ６８（加熱ローラ）を第１フィルム部材５６及び第２フィルム部材６０から離間した退避位置に配置している。 According to the present embodiment, the first joining roller 68 (heating roller) in the heat generating state is moved to the first film member 56 and the second film member 60 while the conveyance of the first film member 56 and the second film member 60 is stopped. It is arranged at a retracted position separated from the member 60.

これにより、発熱状態の第１接合ローラ６８に第１フィルム部材５６の同じ部分が比較的長時間接触することを避けることができる。よって、第１フィルム部材５６及び第２フィルム部材６０が第１接合ローラ６８に熱溶着することを抑えることができる。 Accordingly, it is possible to prevent the same portion of the first film member 56 from coming into contact with the first joining roller 68 that is in the heat generation for a relatively long time. Therefore, it is possible to prevent the first film member 56 and the second film member 60 from being heat-welded to the first joining roller 68.

なお、発熱状態の第１接合ローラ６８とは、支持フィルム５８（第１フィルム部材５６又は第２フィルム部材６０）が熱溶着するような温度状態の第１接合ローラ６８のことをいう。具体的には、ヒータ部７２への通電により昇温している状態の第１接合ローラ６８、昇温が完了した状態の第１接合ローラ６８（電解質膜１２とカソード電極１６とを接合する際の温度状態の第１接合ローラ６８）、ヒータ部７２への通電が停止された後の比較的温度が高い状態の第１接合ローラ６８等が含まれる。 The first joining roller 68 in the heat generation state means the first joining roller 68 in a temperature state in which the support film 58 (the first film member 56 or the second film member 60) is heat-welded. Specifically, the first joining roller 68 in a state where the temperature is raised by energizing the heater portion 72, and the first joining roller 68 in a state where the temperature is completed (when joining the electrolyte membrane 12 and the cathode electrode 16) The first joining roller 68 in the temperature state of 1), the first joining roller 68 in a relatively high temperature state after the energization of the heater portion 72 is stopped, and the like are included.

また、準備段階である第１接合ローラ６８の昇温時に、第１接合ローラ６８を退避位置に配置しているため、第１フィルム部材５６及び第２フィルム部材６０が第１接合ローラ６８に熱溶着することを抑えることができる。 Further, since the first joining roller 68 is arranged at the retracted position when the temperature of the first joining roller 68 is increased in the preparatory stage, the first film member 56 and the second film member 60 are heated by the first joining roller 68. It is possible to suppress welding.

さらに、第１接合ローラ６８と第２接合ローラ７０による固体高分子電解質膜１２及びカソード電極１６の接合中に第１フィルム部材５６及び第２フィルム部材６０の搬送が停止された際に、発熱状態の第１接合ローラ６８を押圧位置から退避位置に移動させている。そのため、フィルム接合体３４の製造が中断された場合であっても第１接合ローラ６８に第１フィルム部材５６及び第２フィルム部材６０が熱溶着することを抑えることができる。 Further, when the conveyance of the first film member 56 and the second film member 60 is stopped during the joining of the solid polymer electrolyte membrane 12 and the cathode electrode 16 by the first joining roller 68 and the second joining roller 70, a heat generation state is generated. The first joining roller 68 is moved from the pressing position to the retracted position. Therefore, even if the production of the film joined body 34 is interrupted, it is possible to prevent the first film member 56 and the second film member 60 from being heat-welded to the first joining roller 68.

さらにまた、固体高分子電解質膜１２及びカソード電極１６を互いに接合する際に、第１接合ローラ６８を支持フィルム５８に接触させるとともに第２接合ローラ７０を第２フィルム部材６０に接触させている。つまり、製品として用いられる固体高分子電解質膜１２及びカソード電極１６が発熱部材である第１接合ローラ６８に直接的に接触しない。そのため、第１フィルム部材５６及び第２フィルム部材６０の搬送が停止した場合に、固体高分子電解質膜１２及びカソード電極１６が過剰に加熱されることを抑えることができる。 Furthermore, when joining the solid polymer electrolyte membrane 12 and the cathode electrode 16 to each other, the first joining roller 68 is brought into contact with the support film 58 and the second joining roller 70 is brought into contact with the second film member 60. That is, the solid polymer electrolyte membrane 12 and the cathode electrode 16 used as products do not come into direct contact with the first joining roller 68 which is a heat generating member. Therefore, it is possible to prevent the solid polymer electrolyte membrane 12 and the cathode electrode 16 from being excessively heated when the transport of the first film member 56 and the second film member 60 is stopped.

本実施形態は、上述した構成及び方法に限定されない。上述した例では、第１接合ローラ６８が加熱ローラであり、第２接合ローラ７０が駆動ローラであったが、第１接合ローラ６８を駆動ローラとして構成するとともに第２接合ローラ７０を加熱ローラとして構成してもよい。この場合、第１フィルム部材５６及び第２フィルム部材６０の搬送が停止された際に、発熱状態の第２接合ローラ７０は、第１フィルム部材５６及び第２フィルム部材６０から離間した退避位置に配置されることとなる。 The present embodiment is not limited to the above configuration and method. In the above-described example, the first joining roller 68 is a heating roller and the second joining roller 70 is a driving roller. However, the first joining roller 68 is configured as a driving roller and the second joining roller 70 is configured as a heating roller. You may comprise. In this case, when the conveyance of the first film member 56 and the second film member 60 is stopped, the second joining roller 70 in the heat generating state is moved to the retracted position separated from the first film member 56 and the second film member 60. Will be placed.

さらに、第１接合ローラ６８及び第２接合ローラ７０は、ともに加熱ローラであってもよい。この場合、第１フィルム部材５６及び第２フィルム部材６０の搬送が停止された際に、発熱状態の第１接合ローラ６８及び第２接合ローラ７０の両方が第１フィルム部材５６及び第２フィルム部材６０から離間した退避位置に配置されることとなる。ただし、上述したように、第２フィルム部材６０が加熱ローラである第２接合ローラ７０に溶着し難い材質で構成されたカソード電極１６である場合には、第２接合ローラ７０は、必ずしも退避位置に配置されなくてもよい（押圧位置に位置していてもよい）。 Further, both the first joining roller 68 and the second joining roller 70 may be heating rollers. In this case, when the conveyance of the first film member 56 and the second film member 60 is stopped, both the first joining roller 68 and the second joining roller 70 in the heat generating state are exposed to the first film member 56 and the second film member. It will be arranged in a retracted position separated from 60. However, as described above, when the second film member 60 is the cathode electrode 16 made of a material that is difficult to be welded to the second joining roller 70 that is a heating roller, the second joining roller 70 is not always in the retracted position. Does not have to be arranged at the position (it may be located at the pressing position).

本発明に係るフィルム接合体の製造方法は、上述の実施形態に限らず、本発明の要旨を逸脱することなく、種々の方法を採り得ることはもちろんである。 The manufacturing method of the film joined body according to the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various methods can be adopted without departing from the gist of the present invention.

例えば、アノード電極を第２フィルム部材として構成し、固体高分子電解質膜にアノード電極が接合されたものをフィルム接合体としてもよい。 For example, the anode electrode may be configured as the second film member, and the solid polymer electrolyte membrane to which the anode electrode is bonded may be a film bonded body.

また、例えば、第２フィルム部材は、ウエブ状のベースフィルムに枚葉の電極（カソード電極又はアノード電極）を剥離可能に設けることにより構成してもよい。この場合、第１フィルム部材の固体高分子電解質膜と第２フィルム部材の電極とを互いに接合することにより、固体高分子電解質膜の平面寸法よりも小さな平面寸法を有した電極を備えたフィルム接合体を容易に製造することができる。 Further, for example, the second film member may be configured by providing a sheet-shaped electrode (cathode electrode or anode electrode) on a web-shaped base film in a peelable manner. In this case, by bonding the solid polymer electrolyte membrane of the first film member and the electrode of the second film member to each other, film bonding including an electrode having a plane dimension smaller than that of the solid polymer electrolyte membrane. The body can be easily manufactured.

１２…固体高分子電解質膜（電解質膜）
１６…カソード電極 ３４…フィルム接合体
４２…搬送ローラ ５６…第１フィルム部材
５８…支持フィルム ６０…第２フィルム部材
６８…第１接合ローラ（加熱ローラ） ７０…第２接合ローラ（駆動ローラ） 12... Solid polymer electrolyte membrane (electrolyte membrane)
16... Cathode electrode 34... Film bonded body 42... Conveying roller 56... First film member 58... Support film 60... Second film member 68... First bonding roller (heating roller) 70... Second bonding roller (driving roller)

Claims (3)

支持フィルムが設けられたフィルム状の電解質膜を有する第１フィルム部材とフィルム状の電極を有する第２フィルム部材とを搬送ローラで搬送しながら互いに重ね合わせて２つの接合ローラで挟んで押圧することにより、前記電解質膜と前記電極とを互いに接合してフィルム接合体を製造するフィルム接合体の製造方法であって、
２つの前記接合ローラは、前記第１フィルム部材及び前記第２フィルム部材を加熱する加熱ローラと駆動ローラとで構成され、
前記加熱ローラは、前記第１フィルム部材及び前記第２フィルム部材を押圧する押圧位置と、前記第１フィルム部材及び前記第２フィルム部材から離間した退避位置に移動可能であり、
前記第１フィルム部材及び前記第２フィルム部材の搬送が停止されている状態で、発熱状態の前記加熱ローラを前記退避位置に配置し、
前記電解質膜及び前記電極を互いに接合する際に、前記駆動ローラを前記第２フィルム部材に接触させるとともに前記加熱ローラを前記支持フィルムに接触させる、
ことを特徴とするフィルム接合体の製造方法。 A first film member having a film-like electrolyte membrane provided with a support film and a second film member having a film-like electrode are superposed on each other while being conveyed by a conveying roller and sandwiched and pressed by two joining rollers. According to the method for producing a film joined body, wherein the electrolyte membrane and the electrode are joined together to produce a film joined body,
The two joining rollers include a heating roller that heats the first film member and the second film member, and a driving roller,
The heating roller is movable to a pressing position for pressing the first film member and the second film member, and a retracted position separated from the first film member and the second film member,
In a state where the conveyance of the first film member and the second film member is stopped, the heating roller in a heat generating state is arranged at the retreat position,
Contacting the drive roller with the second film member and contacting the heating roller with the support film when joining the electrolyte membrane and the electrode to each other;
A method for producing a film joined body, comprising: 請求項１記載のフィルム接合体の製造方法において、
前記加熱ローラの昇温時に前記加熱ローラを前記退避位置に配置する、
ことを特徴とするフィルム接合体の製造方法。 The method for producing a film joined body according to claim 1,
When the heating roller is heated, the heating roller is arranged at the retracted position,
A method for producing a film joined body, comprising: 請求項１又は２に記載のフィルム接合体の製造方法において、
２つの前記接合ローラによる前記電解質膜と前記電極との接合中に前記第１フィルム部材及び前記第２フィルム部材の搬送が停止された際に、発熱状態の前記加熱ローラを前記押圧位置から前記退避位置に移動させる、
ことを特徴とするフィルム接合体の製造方法。 The method for producing a film joined body according to claim 1,
When the conveyance of the first film member and the second film member is stopped during the joining of the electrolyte membrane and the electrode by the two joining rollers, the heating roller in the heat generating state is retracted from the pressing position. Move to a position,
A method for producing a film joined body, comprising:
JP2016222959A 2016-11-16 2016-11-16 Method for manufacturing film joined body Active JP6725400B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016222959A JP6725400B2 (en) 2016-11-16 2016-11-16 Method for manufacturing film joined body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016222959A JP6725400B2 (en) 2016-11-16 2016-11-16 Method for manufacturing film joined body

Publications (2)

Publication Number Publication Date
JP2018081808A JP2018081808A (en) 2018-05-24
JP6725400B2 true JP6725400B2 (en) 2020-07-15

Family

ID=62199019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016222959A Active JP6725400B2 (en) 2016-11-16 2016-11-16 Method for manufacturing film joined body

Country Status (1)

Country Link
JP (1) JP6725400B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111477885B (en) * 2020-04-10 2021-07-23 武汉理工氢电科技有限公司 Production method of 3CCM
CN116160718A (en) * 2022-12-09 2023-05-26 广州通泽机械有限公司 Process method and equipment for preparing bags by preheating composite film

Also Published As

Publication number Publication date
JP2018081808A (en) 2018-05-24

Similar Documents

Publication Publication Date Title
US9831504B2 (en) Single fuel cell and method of manufacturing single fuel cell
JP5691873B2 (en) Membrane electrode assembly manufacturing apparatus and manufacturing method
JP4736787B2 (en) Membrane electrode assembly and method for producing reinforced electrolyte membrane in polymer electrolyte fuel cell
JP2018097917A (en) Resin frame-attached electrolyte membrane-electrode structure and method of manufacturing the same
JP6725400B2 (en) Method for manufacturing film joined body
KR101712290B1 (en) Electrolyte membrane roll body
JP2011165460A (en) Method of manufacturing membrane-catalyst layer assembly
JP6231259B2 (en) Method of manufacturing membrane electrode assembly for fuel cell
JP2016162650A (en) Method for manufacturing fuel battery single cell
JP2008258097A (en) Cutting method of diffusion layer, and membrane-electrode assembly manufactured by using it
JP5979100B2 (en) Manufacturing method of membrane electrode assembly and electrolyte membrane winding roller
JP6442554B2 (en) Manufacturing method and apparatus for electrolyte membrane / electrode structure with resin frame
JP5954233B2 (en) Method and apparatus for manufacturing transfer roller and membrane electrode assembly
JP2010027461A (en) Membrane-electrode assembly, method of producing the assembly, and solid polymer-type fuel cell employing the same
JP7106312B2 (en) SUPPORT FILM, APPLICATION METHOD, MEMBRANE-ELECTRODE ASSEMBLY MANUFACTURING METHOD AND MANUFACTURING APPARATUS
JP6442555B2 (en) Manufacturing method of electrolyte membrane / electrode structure with resin frame
JP5853194B2 (en) Membrane-catalyst layer assembly manufacturing method and manufacturing apparatus thereof
JP2012234713A (en) Method for joining electrolyte membrane and film, and method for manufacturing fuel cell
JP5924233B2 (en) Joining apparatus and joining method
JP2015032416A (en) Membrane transferring device and transferring method for membrane
JP6163812B2 (en) Manufacturing method of electrolyte membrane with supporting substrate, manufacturing apparatus of electrolyte membrane with supporting substrate, manufacturing method of catalyst layer-electrolyte membrane laminate using electrolyte membrane with supporting substrate, and electrolyte membrane with supporting substrate Catalyst layer-electrolyte membrane laminate manufacturing apparatus
JP2020027792A (en) Manufacturing apparatus for assembly of cells for fuel battery
JP4538686B2 (en) Transfer sheet for producing electrode-electrolyte membrane assembly and method for producing the same
JP7276209B2 (en) METHOD FOR MANUFACTURING LAMINATE FOR FUEL CELL
JP6277968B2 (en) Manufacturing method of joined body

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20181127

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20190911

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191105

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191226

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200602

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200625

R150 Certificate of patent or registration of utility model

Ref document number: 6725400

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150