WO2020054215A1 - 接合用発熱回路、接合体、接合用発熱回路の製造方法及び接合方法 - Google Patents

接合用発熱回路、接合体、接合用発熱回路の製造方法及び接合方法 Download PDF

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Publication number
WO2020054215A1
WO2020054215A1 PCT/JP2019/028305 JP2019028305W WO2020054215A1 WO 2020054215 A1 WO2020054215 A1 WO 2020054215A1 JP 2019028305 W JP2019028305 W JP 2019028305W WO 2020054215 A1 WO2020054215 A1 WO 2020054215A1
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WIPO (PCT)
Prior art keywords
circuit
members
bonding
heating
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.)
Ceased
Application number
PCT/JP2019/028305
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English (en)
French (fr)
Japanese (ja)
Inventor
宗太 加茂
清嘉 ▲高▼木
英毅 堀苑
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to US17/268,297 priority Critical patent/US20210331423A1/en
Priority to EP19860700.4A priority patent/EP3836751A4/en
Publication of WO2020054215A1 publication Critical patent/WO2020054215A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/10—Formation of a green body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/12—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2307/00—Use of elements other than metals as reinforcement
    • B29K2307/04—Carbon
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/035—Electrical circuits used in resistive heating apparatus
    • 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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Definitions

  • the present invention relates to a heating circuit for bonding, a joined body, a method for manufacturing a heating circuit for bonding, and a bonding method.
  • a resistance heating element arranged between a pair of joining members has been known as a heating circuit for joining (for example, see Patent Document 1).
  • the joining member is a fiber reinforced thermoplastic resin member, and the resistance heating element fuses the pair of joining members by being energized between the pair of joining members.
  • the heat generating circuit for bonding such as the resistance heat generating element needs to be densely arranged because it is necessary to uniformly heat the fused portion.
  • the heating circuits for bonding are densely arranged, the heating circuits for bonding cannot move within the molten resin before curing and move after the resin is melted. Doing so may cause a short circuit. Further, after the fusion is completed, the heat generating circuit for bonding is left on the fusion surface, so that the fusion strength may be reduced.
  • the heating circuit for bonding of the present invention in the heating circuit for bonding arranged between the members, a heating wire, and a plurality of protrusions projecting from the heating wire along a facing direction in which the members face each other, It is characterized by having.
  • the protrusion serves as a resistance to the member having fluidity before hardening, and the heating circuit for bonding is less likely to flow, it is possible to suppress occurrence of a short circuit due to contact between the circuits.
  • the protrusion bites into the member before curing, the joining strength between the members can be improved.
  • the projecting direction of the protrusion along the facing direction is, for example, a direction perpendicular to the fusion surface where the member melts, but is not necessarily perpendicular, and is perpendicular to the fusion surface. Any direction including a component of the direction may be used.
  • the lengths of the plurality of protrusions in the protruding direction may be the same length or may be different lengths.
  • the length of the projection in the protruding direction is at least half the thickness of the fusion layer in which the member melts.
  • the protrusions can be appropriately cut into the fusion layer, so that the flow of the resistance fusion circuit can be appropriately suppressed, and the members can be appropriately fused. Can be worn.
  • the protrusion is made of a material having higher thermal conductivity than the heating wire.
  • the member in contact with the protrusion can be melted suitably.
  • the interval between the adjacent protrusions is longer than the length of the protrusion in the protrusion direction.
  • the apparatus further comprises a film covering the heating wire and the protrusion, and the film is preferably made of the same material as the member.
  • the heating wire and the protruding portion can be arranged between the members while being protected by the film. Further, since the film is made of the same material as the member, the member to be joined and the film can be suitably integrated. In addition, a thermoplastic resin is applied to the film, for example.
  • Another heating circuit for bonding of the present invention is a heating circuit for bonding arranged between members, comprising a sheet-shaped electrotroph extending in the elongate direction, wherein the electrotroph extends in the elongate direction. It is characterized by being formed by being twisted as an axial direction.
  • the tropics can be formed into a three-dimensional shape by twisting the tropics.
  • the three-dimensionally formed electrotroph is less likely to flow with respect to a member having fluidity before hardening, so that occurrence of a short circuit due to contact between circuits can be suppressed.
  • the three-dimensionally shaped electrotroph bites into the melted member, the joining strength between the members can be improved.
  • a joined body of the present invention includes the above-described heating circuit for joining, and members provided on both sides of the heating circuit for joining.
  • the method for manufacturing a heat generating circuit for bonding is a method for manufacturing a heat generating circuit for bonding for manufacturing a heat generating circuit for bonding disposed between members, wherein the heat generating circuit for bonding includes: a heating wire; A plurality of protrusions projecting from the heating wire along the facing direction in which the heating wire is discharged from the discharge head toward the molding table, and the heating wire and the plurality of And a shaping step of shaping the protrusion.
  • the heating wire for bonding can be easily formed by forming the heating wire and the plurality of protrusions with the conductive ink ejected from the ejection head.
  • Another method of manufacturing a heat generating circuit for bonding is a method of manufacturing a heat generating circuit for bonding which uses a base material to manufacture a heat generating circuit for bonding arranged between members, wherein the heat generating circuit for bonding is A heating wire, and a plurality of protrusions projecting from the heating wire along an opposing direction in which the members oppose each other, and a resist is formed at a position where the plurality of protrusions on the base material are formed.
  • a resist applying step of applying, an etching step of etching the base material coated with the resist, and a resist removing step of removing the resist applied to the base material after the etching to form the bonding heat generating circuit And the following.
  • the shapes of the heating wire and the plurality of protrusions can be formed with high accuracy.
  • Another method of manufacturing a heat generating circuit for bonding is a method of manufacturing a heat generating circuit for bonding which uses a base material to manufacture a heat generating circuit for bonding arranged between members, wherein the heat generating circuit for bonding is A heating wire, and a plurality of protrusions protruding from the heating wire along an opposing direction in which the members face each other, and a punch roller that sandwiches the base material, the heating wire, A cut portion for cutting out, and a non-cut portion in which a cut is not formed at a position where the protrusion is formed, and forming the non-cut portion when releasing the heating wire from the base material.
  • a punching step is provided in which the projection is projected from the heating wire so that the projection is in the facing direction by tearing.
  • the plurality of protrusions can be made to protrude in the facing direction, so that the heating circuit for bonding can be easily formed.
  • a joining heat generating circuit is arranged between members, and in the joining method of joining the members, a plurality of protrusions projecting along a facing direction in which the members face each other.
  • a plurality of formed heating wires are arranged on the member, and the heating wires are connected to each other by a current-carrying member to form a heat generating circuit for joining; and on the formed heat generating circuit for joining,
  • the members can be joined together after the joining heat generating circuit is formed on the members.
  • the joining heat generating circuit is connected by a current-carrying member so that a plurality of heating wires form a series or parallel circuit.
  • a joining heat generating circuit in which a joining heat generating circuit is arranged between members and the members are joined to each other, a plurality of members projecting along a facing direction in which the members face each other.
  • Forming a heating circuit for bonding by heating the heating wire on which the protrusions are formed and arranging the heating wire on the member so that the heating wire has a predetermined circuit pattern.
  • the heating wire by disposing the heating wire on the member while heating the heating wire and the protruding portion, the protruding portion can be suitably bite into the member. For this reason, the joining heat generating circuit formed on the members can suitably join the members.
  • the heating wire is formed so as to have a predetermined circuit pattern.
  • the protrusion can be suitably cut into the member.
  • the joining heat generating circuit formed on the members can suitably join the members.
  • a plurality of protrusions can be formed by increasing the thickness of the conductive material.
  • the joining heat generating circuit formed on the member can suitably join the members.
  • FIG. 1 is a cross-sectional view schematically illustrating the joined body according to the first embodiment.
  • FIG. 2 is a schematic diagram of the resistance fusion circuit according to the first embodiment.
  • FIG. 3 is a diagram illustrating an example of the method for manufacturing the resistance fusion-bonded circuit according to the first embodiment.
  • FIG. 4 is an explanatory diagram illustrating an example of a method for manufacturing the resistance fusion-bonded circuit according to the first embodiment.
  • FIG. 5 is a diagram illustrating an example of the method for manufacturing the resistance fusion-bonded circuit according to the first embodiment.
  • FIG. 6 is a plan view schematically illustrating a resistance fusion circuit formed by the method for manufacturing a resistance fusion circuit according to the first embodiment.
  • FIG. 7 is a schematic diagram of a resistance fusion circuit according to the second embodiment.
  • FIG. 8 is an explanatory diagram relating to a bonding method using the resistance fusion circuit according to the third embodiment.
  • FIG. 9 is a diagram illustrating a bonding method using the resistance fusion circuit according to the fourth embodiment.
  • FIG. 10 is an explanatory diagram relating to a bonding method using the resistance fusion circuit according to the fifth embodiment.
  • FIG. 11 is an explanatory diagram relating to a joining method using a resistance fusion circuit according to the sixth embodiment.
  • FIG. 12 is an explanatory diagram relating to a joining method using a resistance fusion circuit according to the seventh embodiment.
  • the heating circuit for bonding according to the first embodiment is a heating element used for fusing the members to be bonded 11 to each other, and is a so-called resistance fusion circuit 10.
  • a joined body 1 formed using a resistance fusion circuit 10 will be described.
  • FIG. 1 is a cross-sectional view schematically illustrating the joined body according to the first embodiment.
  • the joined body 1 includes a resistance fusion circuit 10 and two members 11 to be joined provided on both sides of the resistance fusion circuit 10.
  • the thickness direction of the resistance fusion circuit 10 and the member 11 to be joined is defined as a Z direction
  • a predetermined direction orthogonal to the thickness direction is defined as an X direction
  • a direction orthogonal to the Z direction and the X direction is defined as a Y direction.
  • the resistance fusion circuit 10 is a thin-film circuit that extends along the fusion surface 12 of the member 11 to be joined.
  • the member to be joined 11 is, for example, a composite material in which a carbon fiber 14 is impregnated with a thermoplastic resin 15, a so-called CFRTP (Carbon Fiber Reinforced Thermoplastics).
  • CFRTP Carbon Fiber Reinforced Thermoplastics
  • any member may be used as long as the member includes a resin that is melted by being heated, and is not particularly limited.
  • the present invention will be described by applying to a member to be joined 11 containing a resin that is melted by being heated.
  • the first embodiment may be applied to a member to be joined containing a thermosetting resin.
  • the present invention may be applied to a composite material in which a thermosetting resin is impregnated into reinforcing fibers such as carbon fibers.
  • the heat generating circuit for bonding is a heat generating circuit used for thermosetting the members to be bonded together.
  • the joining heat generating circuit may join the members 11 to be joined together by heating and thermally curing the members (composite material) in the semi-cured state.
  • the member to be joined including the thermosetting resin may be an adhesive sheet made of a thermosetting resin disposed between the members in addition to the above-described composite material.
  • the member 11 and the resistance fusion circuit 10 are connected to each other. Are superimposed in the Z direction. After that, the resistance fusion circuit 10 is energized to generate heat. When the resistance fusion circuit 10 generates heat, the fusion surface 12 of the member 11 to be fused is melted, so that the member 11 to be joined is integrated with the resistance fusion circuit 10. Then, by cooling, the joined members 11 are joined to each other to form the joined body 1.
  • FIG. 2 is a schematic diagram of the resistance fusion circuit according to the first embodiment.
  • the resistance fusion circuit 10 includes a heating wire 21 and a plurality of protrusions 22 protruding from the heating wire.
  • the heating wire 21 is a metal wire that generates heat when energized, and has a predetermined wiring pattern in the XY plane.
  • the heating wire 21 has a wiring pattern meandering in the X direction while reciprocating in the Y direction, and is formed in a substantially rectangular shape in the XY plane.
  • the wiring pattern is not particularly limited.
  • the heating wire 21 has a wire diameter that is appropriate in accordance with the melting conditions of the member to be joined 11 and the like.
  • the interval between adjacent heating wires 21 is The intervals are appropriate depending on the melting conditions and the like.
  • the plurality of protrusions 22 are formed so as to protrude from the heating wire 21 along the facing direction in which the members to be joined 11 face each other, that is, along the Z direction.
  • the projection direction of the projection 22 along the Z direction is, for example, a direction perpendicular to the fusion surface 12 where the member 11 is melted, but is not necessarily perpendicular to the fusion surface 12. Any direction may be used as long as it includes a component in a direction perpendicular to.
  • the protrusion 22 may have a wedge shape that tapers toward the tip in the protruding direction, or may have an inverted triangular shape in which a stopper that spreads toward the tip in the protruding direction is formed. Is not particularly limited.
  • the length of the protrusion 22 in the protruding direction is at least half the thickness of the fusion layer in which the member 11 is melted.
  • the fusion layer is a layer having a thickness in the Z direction in which the member to be joined 11 is melted by the resistance fusion circuit 10, and is, for example, a layer from the fusion surface 12 to the carbon fibers.
  • the length of the protrusion 22 in the protruding direction is shorter than the distance between the adjacent protrusions 22 on the heating wire 21. In other words, the interval between the adjacent protrusions 22 on the heating wire 21 is longer than the length of the protrusion 22 in the protrusion direction.
  • the lengths of the plurality of protrusions 22 in the protruding direction may be the same length or may be different lengths.
  • the protrusion 22 may be formed using the same material as the heating wire 21 or may be formed using a different material. When a different material is used, the protrusion 22 is made of a material having higher thermal conductivity than the heating wire 21. For this reason, it is possible to efficiently transfer the heat generated by the heating wire 21 to the protruding portion 22 when the resistance welding circuit 10 is energized.
  • the resistance fusion circuit 10 may further include a protective film 23 (see FIG. 3) that covers the heating wire 21 and the protrusion 22.
  • a protective film 23 see FIG. 3
  • the protective film 23 may be made of a material different from the resin contained in the member 11 to be joined. In this case, when energizing the resistance fusion circuit 10, the protection film 23 may be used with the protection film 23 attached, or the protection film 23 may be peeled off.
  • the resin contained in the member to be joined 11 is a thermoplastic resin, that is, the member to be joined 11 is a thermoplastic composite material, and a film-like adhesive made of a thermosetting resin is used as the protective film 23.
  • the member 11 to be joined and the protective film 23 may be integrated by using the protective film 23 with the protective film 23 attached.
  • FIGS. 3 to 5 are explanatory diagrams of an example of a method for manufacturing the resistance fusion circuit according to the first embodiment.
  • FIG. 6 is a plan view schematically illustrating a resistance fusion circuit formed by the method for manufacturing a resistance fusion circuit according to the first embodiment.
  • the resistance fusion circuit 10 is formed by using a modeling device 40 capable of performing three-dimensional modeling by discharging conductive ink from the inkjet head 42.
  • the modeling device 40 includes a modeling table 41, an inkjet head 42, and a guide bar 43 that guides the inkjet head 42 to move in the scanning direction.
  • the modeling table 41 has a flat upper surface facing the ink jet head 42, and ink droplets discharged from the ink jet head 42 adhere thereto.
  • the resistance fusion circuit 10 is formed on a forming table 41.
  • the ink-jet head 42 ejects resin ink containing conductive ink and thermoplastic resin while being guided in the scanning direction by the guide bar 43.
  • the ink jet head 42 discharges the conductive ink and the resin ink to form a unit layer, and stacks the unit layers in the Z direction to form the resistance fusion circuit 10.
  • the resistance fusion circuit 10 is formed by using the above-described forming device 40.
  • FIG. 3 illustrates a case where the resistance fusion circuit 10 with the protective film 23 is formed as an example.
  • the shaping apparatus 40 uses unit layer data that is data obtained by dividing the resistance fusion circuit 10 with the protective film 23 for each unit layer in the Z direction.
  • the molding apparatus 40 discharges the conductive ink and the resin ink from the inkjet head 42 onto the molding table 41 on the basis of the unit layer data, and stacks a plurality of unit layers in order from the bottom to form the heating wire 21.
  • a forming process of forming the resistance fusion circuit 10 including the plurality of protrusions 22 and the protection film 23 is executed. In the modeling process shown in FIG.
  • the heating wire 21 and the plurality of protrusions 22 are formed using conductive ink.
  • the heating wire 21 prepared in advance is arranged on the modeling table 41, and the heating wire 21 is formed.
  • a plurality of protrusions 22 may be formed by discharging conductive ink onto the heating wire 21.
  • the plurality of protrusions 22 formed may be made of a material different from the physical characteristics of the heating wire 21.
  • the physical properties of the protruding portion 22 include a material having a higher thermal conductivity than the heating wire 21, a material having a higher hardness than the heating wire 21, and a material having a higher electrical conductivity than the heating wire 21. Some are expensive.
  • FIG. 4 illustrates, as an example, a case in which the resistance fusion circuit 10 in which the protective film 23 is omitted is formed.
  • a resist 46 is applied to a position where the plurality of protrusions 22 are formed on the base material 45 before the resistance fusion circuit 10 is formed (Step S11: resist application step).
  • an etching process is performed on the base material 45 to which the resist 46 has been applied (Step S12: etching process).
  • etching step wet etching using an etching solution or dry etching using an etching gas may be performed, and there is no particular limitation.
  • the resist 46 applied to the base material 45 after the etching is removed (Step S13: resist removing step) to form the resistance fusion circuit 10.
  • the resistance fusing circuit 10 is formed by using a pair of punch rollers 51.
  • the pair of punch rollers 51 execute a punching process of punching a groove for forming the resistance fusion circuit 10 on the base material 48 before the resistance fusion circuit 10 is formed.
  • the base material 48 in which the grooves are punched by the pair of punch rollers 51 is, for example, as shown in FIG. 6, and is provided on both sides of the resistance fusion circuit 10 and a portion configuring the resistance fusion circuit 10, It is divided into a pair of parts 48a and 48b which are peeled off from the resistance welding circuit 10. At this time, a cut portion for cutting out the heating wire 21 is formed in the base material 48, but a cut portion is not formed at a position where the protrusion 22 is formed (a non-cut portion).
  • the base material 48 punched by the pair of punch rollers 51 is guided by the pair of guide rollers 52 provided on the downstream side in the transport direction toward the surface side (upper side in FIG. 6) of the base material 48.
  • Part 48b is guided toward the back side of the base material 48 (the lower side in FIG. 6).
  • the portion 48a that has passed the guide roller 52 is peeled off from the base material 48 by being transported by the transport roller 53 provided on the downstream side in the transport direction.
  • the portion 48b that has passed the guide roller 52 is peeled off from the base material 48 by being transported by the transport roller 54 provided on the downstream side in the transport direction.
  • the pair of portions 48a and 48b are peeled off from the base material 48, whereby the resistance fusion circuit 10 is formed.
  • the heating wire 21 is released from the base material 48
  • the projection 22 is projected by tearing the non-cut portion.
  • the protruding portions 22 become resistance to the melted members to be joined 11, and the resistance fusion circuit 10 becomes difficult to flow. It is possible to suppress occurrence of a short circuit due to contact between circuits. In addition, since the protruding portions 22 bite into the melted joined members 11, the fusion strength (joining strength) between the joined members 11 can be improved.
  • the protrusion 22 by setting the length of the protrusion 22 to be at least half the thickness of the fusion layer, the protrusion 22 can be appropriately bite into the fusion layer. Therefore, the flow of the resistance fusion circuit 10 can be appropriately suppressed, and the members 11 to be joined can be appropriately fused to each other.
  • the protrusion 22 is made of a material having higher thermal conductivity than the heating wire 21, the member 11 to be joined in contact with the protrusion 22 can be suitably melted.
  • the interval between the adjacent protrusions 22 longer than the length of the protrusions 22 in the protruding direction, even if the protrusions 22 are tilted, they contact the adjacent protrusions 22. Therefore, the occurrence of a short circuit due to the contact between the protrusions 22 can be suppressed.
  • the heating wire 21 and the protrusion 22 can be handled in a protected state by the protective film 23, damage to the protrusion 22 can be reduced.
  • the resistance fusion circuit 10 can be easily formed by forming the heating wire 21 and the plurality of protrusions 22 with the conductive ink discharged from the inkjet head 42.
  • the shapes of the heating wire 21 and the plurality of protrusions 22 can be formed with high accuracy.
  • a plurality of protrusions 22 are projected by forming a groove (cut portion) in the base material 48 by the punch roller 51 and releasing the heating wire 21 from the base material 48. Therefore, the resistance fusion circuit 10 can be easily formed.
  • FIG. 7 is a schematic diagram of a resistance fusion circuit according to the second embodiment.
  • the resistance fusion circuit 60 includes an electrotroph 61 and an energizing member 62.
  • the electrotrophic 61 is formed in a sheet shape extending in the long direction, and is formed in a three-dimensional shape by twisting the long direction in the axial direction.
  • the conducting member 62 connects the ends of the electrotropes 61 so that the plurality of electrotropics 61 form a series or parallel circuit. In FIG. 7, a plurality of electrotropics 61 are connected by an energizing member 62 so as to form a series circuit.
  • the sheet-shaped electrotropy 61 is cut while twisting the longitudinal direction as the axial direction, and the spiral electrotropy 61 is cut and cut. Are arranged side by side and connected by a current-carrying member 62 to form a resistance fusion circuit 60.
  • the electrotropics 61 can be formed into a three-dimensional shape by twisting the electrotropics 61.
  • the three-dimensionally formed electrotroph 61 is less likely to flow with respect to the melted member 11, so that the occurrence of a short circuit due to contact between circuits can be suppressed.
  • the fusion strength between the members 11 to be joined can be improved.
  • FIG. 8 is an explanatory diagram relating to a bonding method using the resistance fusion circuit according to the third embodiment.
  • the resistance welding circuit 10 is formed at the time of joining the members 11 to be joined.
  • the heating wire 21 on which the protrusion 22 is formed and the energizing member 65 are prepared separately. Note that the heating wire 21 and the protrusion 22 have the same configuration as that of the first embodiment, and a description thereof will be omitted.
  • a plurality of heating wires 21 are arranged on (the fusion surface 12 of) one member to be joined 11.
  • the heating wire 21 is arranged such that the projecting direction of the protrusion 22 of the heating wire 21 is in the Z direction (step S21).
  • the heating wires 21 are connected to each other by the conducting member 65 to form the resistance fusion circuit 10 (Step S22: circuit forming step).
  • Step S23 arrangement step
  • the resistance fusion circuit 10 is positioned between the members 11 to be joined (step S23: arrangement step).
  • Step S23 melting step
  • the member 11 to be joined is joined together with the resistance welding circuit 10.
  • the members 11 to be joined can be joined to each other.
  • FIG. 9 is a diagram illustrating a bonding method using the resistance fusion circuit according to the fourth embodiment.
  • the resistance fusion circuit 10 is formed at the time of joining the members 11 to be joined.
  • the heating wire 21 on which the protrusion 22 is formed is drawn out, and the heating wire 21 is arranged along a predetermined circuit pattern, thereby forming the resistance fusion circuit 10. Note that the heating wire 21 and the protrusion 22 have the same configuration as that of the first embodiment, and a description thereof will be omitted.
  • a feeding part 70 that feeds the heating wire 21 and the heating wire 21 that is fed from the feeding part 70 are connected to one of the members 11 (the fusion surface 12).
  • a pressing roller 71 pressed upward is used.
  • a heater 72 is provided in the feeding part 70, and the heating wire 21 and the protruding part 22 to be fed are heated by the heater 72.
  • the pressing roller 71 is in rolling contact with (the fusion surface 12 of) one of the members 11 to be joined, and the heating wire 21 and the protrusions fed from the feeding portion 70 between the pressing roller 71 and the member 11 to be joined. 22 is drawn. Then, the pressing roller 71 presses the drawn heating wire 21 and the protruding portion 22 against the member 11 to be joined. At this time, for the outer peripheral surface of the pressing roller 71, a material that does not affect the shape of the protrusion of the protrusion 22 is used.
  • the feeding unit 70 forms the resistance fusion circuit 10 by arranging the heating wires 21 along a predetermined circuit pattern while feeding the heating wires 21 (circuit forming step).
  • the other member 11 to be joined is arranged on the formed resistance fusion circuit 10, whereby the resistance fusion circuit 10 is positioned between the members 11 to be joined (arrangement step). Then, by energizing the resistance welding circuit 10 and melting the member 11 to be joined (melting step), the member 11 to be joined is joined together with the resistance welding circuit 10.
  • the projection 22 is suitably bite into the member 11 to be joined. Can be made.
  • the resistance fusion circuit 10 formed on the joined members 11 can suitably join the joined members 11 to each other.
  • FIG. 10 is an explanatory diagram relating to a bonding method using the resistance fusion circuit according to the fifth embodiment.
  • the joining method according to the fifth embodiment forms the resistance fusion circuit 10 at the time of joining the members 11 to be joined, as in the third and fourth embodiments.
  • the heating wire 21 is arranged along a predetermined circuit pattern while the heating wire 21 is extended, and the protrusion 22 is arranged on the arranged heating wire 21. Is formed. Note that the heating wire 21 and the protrusion 22 have the same configuration as that of the first embodiment, and a description thereof will be omitted.
  • a feeding part 80 that feeds out the heating wire 21, an injection part 81 that emits the projection 22, and the heating wire 21 that is fed out from the feeding part 80 are connected to one side.
  • a pressing roller 82 that presses on (the fusion surface 12 of) the members to be joined 11 is used.
  • the feeding section 80 feeds the heating wire 21 toward between the pressing roller 82 and the member 11 to be joined.
  • the ejection unit 81 continuously ejects the protrusion 22 toward the rotating pressing roller 82. For this reason, the projections 22 emitted from the emission unit 81 are arranged at predetermined intervals along the circumferential direction on the outer peripheral surface of the pressing roller 82.
  • the pressing roller 82 is provided with a heater 83, and the protrusions 22 arranged on the outer peripheral surface are heated by the heater 83.
  • the pressing roller 82 is in rolling contact with (the fusion surface 12 of) one of the members 11 to be joined, and on the member 11 to be heated, the heating wire 21 that has entered between the pressing roller 82 and the member 11 to be joined.
  • the heated protrusion 22 is arranged. At this time, the outer peripheral surface of the pressing roller 82 is made of a material that does not affect the shape of the protrusion of the protrusion 22.
  • the drawing heating wire 21 proceeds between the pressing roller 82 and the member 11 to be joined.
  • the projection 22 is ejected from the ejection section 81, the ejected projection 22 pierces the outer peripheral surface of the pressing roller 82.
  • the heating wire 21 is pressed against the member 11 to be joined by the pressing roller 82, and the protrusion 22 heated by the heater 83 is arranged on the heating wire 21 by the pressing roller 82, and Dig into it.
  • the feeding section 80 arranges the heating wires 21 along a predetermined circuit pattern while feeding out the heating wires 21 (heating wire arrangement step).
  • the injection unit 81 and the pressing roller 82 form the resistance fusion circuit 10 by arranging the protrusion 22 on the heating wire 21 (circuit forming step).
  • the other member 11 to be joined is arranged on the formed resistance fusion circuit 10, whereby the resistance fusion circuit 10 is positioned between the members 11 to be joined (arrangement step).
  • the resistance fusion circuit 10 is positioned between the members 11 to be joined (arrangement step).
  • the resistance welding circuit 10 melting the member 11 to be joined
  • the member 11 to be joined is joined together with the resistance welding circuit 10.
  • the resistance fusion circuit 10 As described above, according to the fifth embodiment, by forming the resistance fusion circuit 10 on the member 11 to be joined while heating the protrusion 22, the protrusion 22 is suitably bite into the member 11 to be joined. Can be. For this reason, the resistance fusion circuit 10 formed on the joined members 11 can suitably join the joined members 11 to each other.
  • FIG. 11 is an explanatory diagram relating to a joining method using a resistance fusion circuit according to the sixth embodiment.
  • the resistance fusion circuit 10 is formed at the time of joining the members 11 to be joined, as in the third to fifth embodiments.
  • the heating wire 21 is arranged along a predetermined circuit pattern while the heating wire 21 is being fed out, and the protrusion 22 is arranged on the arranged heating wire 21, whereby the resistance fusion circuit 10 Is formed.
  • the heating wire 21 and the protrusion 22 have the same configuration as that of the first embodiment, and a description thereof will be omitted.
  • a feeding part 90 that feeds out the heating wire 21, an injection part 91 that emits the protrusion 22, and the heating wire 21 that is drawn out from the feeding part 90 are connected to one of the A pressing roller 92 that presses on (the fusion surface 12 of) the members to be joined 11 is used.
  • the feeding section 90 feeds the heating wire 21 toward between the pressing roller 92 and the member 11 to be joined.
  • the injection unit 91 emits the protrusion 22 toward the heating wire 21 arranged on the member 11 to be joined.
  • the emitting section 91 is provided with a heater 93, and the projected projection 22 is heated by the heater 93. Therefore, the heated protruding portion 22 emitted from the emitting portion 91 is arranged on the heating wire 21 and stabbed into the member 11 to be joined.
  • the pressing roller 92 is in rolling contact with (the fused surface 12 of) the one member 11 to be joined, and presses the heating wire 21 between the pressing roller 82 and the member 11 to be joined onto the member 11 to be joined. ing.
  • the drawn heating wire 21 proceeds between the pressing roller 92 and the member 11 to be bonded. Then, the heating wire 21 is arranged on the member to be joined 11 by being pressed against the member to be joined 11 by the pressing roller 92. Then, the feeding unit 90 arranges the heating wires 21 along a predetermined circuit pattern while feeding out the heating wires 21 (heating wire arrangement step). Subsequently, when the protruding portion 22 is emitted from the emitting portion 91 to the heating wire on the member 11 to be joined, the ejected protruding portion 22 is arranged on the heating wire 21 and the member 11 To form the resistance fusion circuit 10 (circuit forming step).
  • the other member 11 to be joined is arranged on the formed resistance fusion circuit 10, whereby the resistance fusion circuit 10 is positioned between the members 11 to be joined (arrangement step). Then, by energizing the resistance welding circuit 10 and melting the member 11 to be joined (melting step), the member 11 to be joined is joined together with the resistance welding circuit 10.
  • the resistance fusion circuit 10 formed on the joined members 11 can suitably join the joined members 11 to each other.
  • FIG. 12 is an explanatory diagram relating to a joining method using a resistance fusion circuit according to the seventh embodiment.
  • the resistance fusion circuit 10 is formed at the time of joining the members 11 to be joined.
  • a heating wire 101 serving as a predetermined circuit pattern is drawn using a conductive paint (conductive material), and a protrusion 102 is formed on the drawn heating wire 101 using a conductive paint.
  • a conductive paint conductive material
  • a protrusion 102 is formed on the drawn heating wire 101 using a conductive paint.
  • the heating wire 101 is formed using, for example, a plating spray 105 that sprays a conductive paint, and a predetermined circuit pattern is formed on the member 11 to be joined with a predetermined thickness by the conductive paint sprayed from the plating spray 105. Is formed by being drawn.
  • the protruding portion 102 is formed by using a plating spray 106 for spraying a conductive paint, and is formed on the heating wire 101 of the member 11 to be joined by the conductive paint sprayed from the plating spray 106. It is formed by being drawn on top of. For this reason, in the conductive paint, a first portion having a smaller thickness in the Z direction (opposing direction) and a second portion having a larger thickness than the first portion are formed. Is formed as
  • a conductive paint is sprayed on the member 11 to be joined by using the plating spray 105 to form the heating wire 101 serving as the thickness of the first portion and the circuit pattern.
  • a conductive paint is sprayed on the heating wire 101 formed on the member 11 to be joined by using the plating spray 106, and the second portion thicker than the heating wire 101 is formed as the protrusion 102.
  • the resistance fusion circuit 100 is formed (circuit formation step).
  • the resistance fusion circuit 100 is positioned between the members 11 to be joined (arrangement step).
  • the resistance fusion circuit 100 is positioned between the members 11 to be joined (arrangement step).
  • the member 11 to be joined is joined together with the resistance fusion circuit 100.
  • a plurality of protrusions 102 can be formed by increasing the thickness of the conductive material. Also, by forming a plurality of protrusions 102 on the heating wire 101 by attaching a conductive material, the resistance fusion circuit 100 formed on the members to be joined 11 suitably joins the members to be joined 11 to each other. be able to.
  • the heating wire 101 and the projection 102 are formed using two plating sprays 105 and 106, respectively.
  • the heating wire 101 and the projection 102 may be formed using one spray.
  • the plurality of protrusions 102 were formed by forming the first portion and the second portion while changing the thickness of the conductive paint adhered on the member 11 to be joined using one spray.
  • the heating wire 101 may be formed.
  • Resistance fusion circuit 11 Member to be joined 12 Fusion surface 14 Carbon fiber 15 Thermoplastic resin 21 Heating wire 22 Projection part 23 Protective film 40 Modeling device 41 Modeling table 42 Inkjet head 43 Guide bar 45 Base material 46 Resist 48 Base material 51 Punch roller 52 Guide roller 53, 54 Transport roller 60 Resistance fusing circuit (Embodiment 2) 61 Electrotrophic 65 Conducting member 70 Feeding part 71 Pressing roller 72 Heater 80 Feeding part 81 Injection part 82 Pressing roller 83 Heater 90 Feeding part 91 Injection part 92 Pressing roller 93 Heater 100 Resistance fusion circuit 101 Heating wire 102 Projection 105 Plating spray 106 Plating spray

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
PCT/JP2019/028305 2018-09-14 2019-07-18 接合用発熱回路、接合体、接合用発熱回路の製造方法及び接合方法 Ceased WO2020054215A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US17/268,297 US20210331423A1 (en) 2018-09-14 2019-07-18 Heating circuit for joining, joined body, method of manufacturing heating circuit for joining, and joining method
EP19860700.4A EP3836751A4 (en) 2018-09-14 2019-07-18 CONNECTING HEATING CIRCUIT, CONNECTING PIECE, METHOD FOR PRODUCING A CONNECTING HEATING CIRCUIT AND CONNECTING METHOD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018173029A JP7171332B2 (ja) 2018-09-14 2018-09-14 接合用発熱回路、接合体、接合用発熱回路の製造方法及び接合方法
JP2018-173029 2018-09-14

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US (1) US20210331423A1 (enExample)
EP (1) EP3836751A4 (enExample)
JP (1) JP7171332B2 (enExample)
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JP2023008163A (ja) * 2021-07-05 2023-01-19 豊田合成株式会社 ワイヤー回路の形成方法

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JPH11300836A (ja) * 1998-04-20 1999-11-02 Tohoku Munekata Co Ltd 熱可塑性樹脂成形品の熱溶着に際して用いられる発熱体
JP2002046185A (ja) * 2000-08-04 2002-02-12 Hokuto:Kk プラスチック材の溶着方法
JP2010216512A (ja) * 2009-03-13 2010-09-30 Onda Seisakusho:Kk エレクトロフュージョン継手
JP2012206492A (ja) * 2011-03-30 2012-10-25 Keihin Corp 樹脂成形品を熱溶着するための発熱体
JP2013129159A (ja) * 2011-12-22 2013-07-04 Teijin Ltd 接合体の製造方法
JP2015168137A (ja) 2014-03-06 2015-09-28 学校法人近畿大学 繊維強化熱可塑性樹脂部材の融着方法

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FR2742691B1 (fr) * 1995-12-22 1998-01-23 Etex De Rech Tech Soc Element de raccord thermoplastique pour un assemblage de pieces par soudage selon une surface de jonction ouverte
IL126851A (en) * 1998-11-02 2002-02-10 Plasson Ltd Fusion bonding method and assembly produced in accordance with such method
DE102009047671A1 (de) 2009-12-08 2011-06-09 Airbus Operations Gmbh Verfahren zum Anbinden eines Faserverbundbauteils an ein Strukturbauteil eines Luft- und Raumfahrzeuges und eine entsprechende Anordnung

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JPH11300836A (ja) * 1998-04-20 1999-11-02 Tohoku Munekata Co Ltd 熱可塑性樹脂成形品の熱溶着に際して用いられる発熱体
JP2002046185A (ja) * 2000-08-04 2002-02-12 Hokuto:Kk プラスチック材の溶着方法
JP2010216512A (ja) * 2009-03-13 2010-09-30 Onda Seisakusho:Kk エレクトロフュージョン継手
JP2012206492A (ja) * 2011-03-30 2012-10-25 Keihin Corp 樹脂成形品を熱溶着するための発熱体
JP2013129159A (ja) * 2011-12-22 2013-07-04 Teijin Ltd 接合体の製造方法
JP2015168137A (ja) 2014-03-06 2015-09-28 学校法人近畿大学 繊維強化熱可塑性樹脂部材の融着方法

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JP2020047393A (ja) 2020-03-26
EP3836751A1 (en) 2021-06-16
US20210331423A1 (en) 2021-10-28
JP7171332B2 (ja) 2022-11-15
EP3836751A4 (en) 2021-10-13

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