JPH05455A - Manufacture of plastic cemented product - Google Patents

Manufacture of plastic cemented product

Info

Publication number
JPH05455A
JPH05455A JP3180130A JP18013091A JPH05455A JP H05455 A JPH05455 A JP H05455A JP 3180130 A JP3180130 A JP 3180130A JP 18013091 A JP18013091 A JP 18013091A JP H05455 A JPH05455 A JP H05455A
Authority
JP
Japan
Prior art keywords
conductive material
plastic
molded body
plastic molded
molding
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.)
Withdrawn
Application number
JP3180130A
Other languages
Japanese (ja)
Inventor
Tadatake Taniguchi
忠壮 谷口
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.)
Nissha Printing Co Ltd
Original Assignee
Nissha Printing 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 Nissha Printing Co Ltd filed Critical Nissha Printing Co Ltd
Priority to JP3180130A priority Critical patent/JPH05455A/en
Publication of JPH05455A publication Critical patent/JPH05455A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • 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"
    • B29C65/36—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" heated by induction
    • B29C65/3604—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" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3644—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" heated by induction characterised by the type of elements heated by induction which remain in the joint being a ribbon, band or strip
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12443—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue substantially in the middle
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being non-straight, e.g. forming non-closed contours
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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"
    • B29C65/36—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" heated by induction
    • B29C65/3672—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" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—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" heated by induction characterised by the composition of the elements heated by induction 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To manufacture a plastic cemented product with good productivity by cementing a plastic molded body with a cemented face of sophisticated shape by means of electromagnetic induction heating. CONSTITUTION:The molding of a plastic molded body A1 composed of polyethylene and the molding of a conductive material 3 using molten molding resin containing a conductive carbon filler are carried out by the two-color molding method, and the conductive material 3 is integrated with a cemented face 2 of the plastic molded body A1. A plastic molded body B4 composed of polyethylene resin is laminated on the cemented face 2 of the plastic molded body A1, and then placed in an electromagnetic induction heating type cementing device 5 provided with a high frequency transmitter 51 and a heating coil 52 generating a magnetic field, and the cemented face 2 is melted and cemented by heating the conductive material 3.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】この発明は、複雑な形状の接合面
を有するプラスチック成形体を電磁誘導加熱により接合
できるようにすることによって、プラスチック接合製品
を生産性よく得ることができるプラスチック接合製品の
製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plastic joined product which can be produced with high productivity by making it possible to join a plastic molded body having a joint surface having a complicated shape by electromagnetic induction heating. It relates to a manufacturing method.

【０００２】[0002]

【従来の技術】プラスチック成形体どうしを電磁誘導加
熱によって接合するには、次のようにしている。まず、
導電材として、鉄・アルミニウム・銅などの材質からな
る針金を用意し、一方のプラスチック成形体の接合面に
沿わせる。次に、その接合面上に他方のプラスチック成
形体を重ねる。その状態で、電磁誘導加熱によって導電
材を発熱させ、この熱によってプラスチック成形体の接
合面が重なった部分を溶融させ、同時に加圧して成形体
を接合する。2. Description of the Related Art Joining of plastic moldings by electromagnetic induction heating is performed as follows. First,
As a conductive material, prepare a wire made of a material such as iron, aluminum, or copper, and place it along the joint surface of one plastic molded body. Next, the other plastic molding is overlaid on the joint surface. In this state, the conductive material is caused to generate heat by electromagnetic induction heating, and the heat causes the overlapped portion of the joint surface of the plastic molded body to melt, and at the same time pressurizes the molded body.

【０００３】また、プラスチック接合製品のプラスチッ
ク成形体は、接合面が三次元的で複雑なものが多くあ
る。たとえば、家電製品の前面パネル部材のように、端
部が立ち上がっている立体的な形状のプラスチック成形
体では、プラスチック成形体の全周縁がその接合面とな
る。Many of the plastic moldings of plastic-bonded products have a three-dimensional and complicated bonding surface. For example, in the case of a three-dimensionally shaped plastic molded product having an upright end such as a front panel member of a home electric appliance, the entire peripheral edge of the plastic molded product serves as the joint surface.

【０００４】[0004]

【発明が解決しようとする課題】従来の製造方法では、
導電材として針金を用いているため、接合面に沿うよう
に針金を曲げる工程が必要である。ところが、接合面が
三次元的で複雑なプラスチック成形体どうしを接合する
ときには、針金の曲げ加工が難しく、また加工できる形
状に限りがあるため、電磁誘導加熱によって接合できる
接合面の形状に制限があった。In the conventional manufacturing method,
Since wire is used as the conductive material, a step of bending the wire along the joint surface is required. However, when joining plastic moldings whose joint surfaces are three-dimensional and complicated, it is difficult to bend the wire and the shape that can be processed is limited, so there is a limit to the shape of the joint surface that can be joined by electromagnetic induction heating. there were.

【０００５】また、曲げ加工された針金を接合面に沿わ
せて設置する工程を必要とするので生産性が悪かった。Further, productivity is poor because a step of installing bent wires along the joint surface is required.

【０００６】[0006]

【課題を解決するための手段】この発明は、以上の目的
を達成するために、次のように構成した。すなわち、熱
可塑性のプラスチック成形体Ａの表面に導電性フィラー
を含む溶融した成形樹脂を用いて導電材を成形し、その
表面に熱可塑性のプラスチック成形体Ｂを重ね合わせた
後、電磁誘導加熱により導電材を加熱し、プラスチック
成形体Ａとプラスチック成形体Ｂとの接合面を溶融接着
させるようにした。In order to achieve the above object, the present invention has the following constitution. That is, a conductive material is molded on the surface of a thermoplastic plastic molded body A using a molten molding resin containing a conductive filler, and the thermoplastic plastic molded body B is superposed on the surface thereof and then electromagnetic induction heating is performed. The conductive material was heated to melt and bond the joint surface between the plastic molding A and the plastic molding B.

【０００７】[0007]

【作用】導電材に高周波磁場がかかると、電磁誘導にと
もなうヒステリシス損と渦電流によるジュール熱が導電
材に発生し、速やかに加熱される。この熱が導電材周囲
の熱可塑性樹脂を溶融させ接着可能な状態となる。When a high-frequency magnetic field is applied to the conductive material, hysteresis loss due to electromagnetic induction and Joule heat due to eddy current are generated in the conductive material, and the conductive material is quickly heated. This heat melts the thermoplastic resin around the conductive material, and becomes a state in which it can be bonded.

【０００８】[0008]

【実施例】以下に、この発明にかかる実施例を図面に基
づいて詳細に説明する。図１は、導電材３が一体的に成
形されたプラスチック成形体Ａ１の接合面２に、プラス
チック成形体Ｂ４を重ね合わせ、電磁誘導加熱式の接合
装置５内に載置した状態を示す。図２は、本願発明の製
造方法の実施例の一工程で得られるプラスチック成形体
Ａ１の断面斜視図であり、熱可塑性のプラスチック成形
体Ａ１の接合面２に沿った円環状の部分に、導電性フィ
ラーを含む樹脂からなる導電材３が成形された状態を示
す。Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows a state in which a plastic molded body B4 is superposed on a bonding surface 2 of a plastic molded body A1 on which a conductive material 3 is integrally molded and placed in an electromagnetic induction heating type bonding device 5. FIG. 2 is a cross-sectional perspective view of the plastic molded body A1 obtained in one step of the embodiment of the manufacturing method of the present invention, in which the annular portion along the joint surface 2 of the thermoplastic plastic molded body A1 is electrically conductive. 1 shows a state in which a conductive material 3 made of a resin containing a conductive filler is molded.

【０００９】まず、プラスチック成形体Ａ１の表面の接
合面２に導電材３を成形し、プラスチック成形体Ａ１と
一体化させる（図２参照）。たとえば、プラスチック成
形体Ａ１の表面の接合面２が円還状の場合は、その接合
面２に沿って導電材３も円還状に成形するとよい。First, the conductive material 3 is molded on the joint surface 2 on the surface of the plastic molded body A1 and integrated with the plastic molded body A1 (see FIG. 2). For example, when the joint surface 2 on the surface of the plastic molded body A1 is in the conical shape, the conductive material 3 may be molded in the conical shape along the joint surface 2.

【００１０】プラスチック成形体Ａ１は、導電材３から
の伝導熱により溶融される熱可塑性の合成樹脂からな
る。合成樹脂としてはポリエチレン、ポリプロピレン、
ポリエチレンテレフタレート、ポリカーボネートやナイ
ロンなどがある。プラスチック成形体Ａ１の成形方法と
しては、たとえば、射出成形法がある。The plastic molded body A1 is made of a thermoplastic synthetic resin which is melted by conduction heat from the conductive material 3. As synthetic resin, polyethylene, polypropylene,
Examples include polyethylene terephthalate, polycarbonate and nylon. As a molding method of the plastic molded body A1, for example, there is an injection molding method.

【００１１】プラスチック成形体Ａ１の接合面２に導電
材３を成形する方法としては、たとえば二色成形法があ
る。この方法は、一対の射出成形用金型を用いてプラス
チック成形体Ａ１を成形した後、射出成形用金型の一方
の金型にプラスチック成形体Ａ１を固定したままで他方
の金型だけを置き換え、型閉めして新たに形成されたキ
ャビティ内に、導電性フィラーを含む溶融した成形樹脂
を射出し、プラスチック成形体Ａ１の表面に導電材３を
一体的に成形する方法である。As a method of molding the conductive material 3 on the joint surface 2 of the plastic molded body A1, there is, for example, a two-color molding method. In this method, a plastic molding A1 is molded using a pair of injection molding dies, and then the other molding is replaced with the plastic molding A1 being fixed to one of the injection molding dies. In this method, a molten molding resin containing a conductive filler is injected into a cavity newly formed by closing the mold to integrally mold the conductive material 3 on the surface of the plastic molded body A1.

【００１２】導電材３は、導電性フィラーを含有する熱
可塑性樹脂からなり、加熱により溶融され、種々の成形
方法により所望の形状に成形される。導電性フィラーと
しては、ステンレス、カーボンなどの粉末状、繊維状の
導電物質があり、繊維長１mm以上の繊維が好ましい。長
繊維状の導電物質を用いると、導電材３の導通がよいの
で誘電加熱の発熱効率が高くなる。また、カーボン繊維
を用いれば錆が生じない。The conductive material 3 is made of a thermoplastic resin containing a conductive filler, is melted by heating, and is molded into a desired shape by various molding methods. As the conductive filler, there are powdery and fibrous conductive substances such as stainless steel and carbon, and fibers having a fiber length of 1 mm or more are preferable. When a long fibrous conductive material is used, the conductive material 3 has good conduction, and the heat generation efficiency of dielectric heating is high. Further, if carbon fiber is used, rust will not occur.

【００１３】次に、導電材３が成形されたプラスチック
成形体Ａ１の表面の接合面２と、接合相手の熱可塑性の
プラスチック成形体Ｂ４とを重ね合わせる。次に、導電
材３を電磁誘導加熱する（図１参照）。Next, the joint surface 2 on the surface of the plastic molded body A1 on which the conductive material 3 has been molded and the thermoplastic plastic molded body B4 to be bonded are superposed. Next, the conductive material 3 is heated by electromagnetic induction (see FIG. 1).

【００１４】プラスチック成形体Ｂ４は、導電材３から
の伝導熱により溶融される熱可塑性の合成樹脂からな
る。合成樹脂としては、たとえば、ポリエチレン、ポリ
プロピレン、ポリエチレンテレフタレート、ポリカーボ
ネートナイロンなどがある。The plastic molded body B4 is made of a thermoplastic synthetic resin which is melted by conduction heat from the conductive material 3. Examples of synthetic resins include polyethylene, polypropylene, polyethylene terephthalate, and polycarbonate nylon.

【００１５】電磁誘導加熱は、高周波を供給する高周波
発信器５１、磁場を発生させる加熱コイル５２などから
なる電磁誘導加熱式の接合装置５でおこなえばよい。必
要により、加圧プレス機５３によってプラスチック成形
体Ａ１とプラスチック成形体Ｂ４との接合面２を加圧し
て密着させながら、接合面２を溶融接着するとよい。The electromagnetic induction heating may be performed by an electromagnetic induction heating type joining device 5 including a high frequency oscillator 51 for supplying a high frequency and a heating coil 52 for generating a magnetic field. If necessary, it is advisable to melt and bond the joint surface 2 while pressurizing the joint surface 2 of the plastic molded body A1 and the plastic molded body B4 by the pressure press machine 53 to bring them into close contact with each other.

【００１６】また、導電材３が加熱されると、プラスチ
ック成形体Ａ１・Ｂ４の接合面２の溶融とは別に、導電
材３中の熱可塑性樹脂が溶融する現象が起こる。導電材
３中で生じた溶融樹脂は接合面２に流れだし、これが接
着剤の役目をしてプラスチック成形体Ａ１・Ｂ４の接合
面２の接着より強固におこなうことができる。When the conductive material 3 is heated, a phenomenon occurs in which the thermoplastic resin in the conductive material 3 melts in addition to the melting of the joint surface 2 of the plastic moldings A1 and B4. The molten resin generated in the conductive material 3 flows out to the joint surface 2, and this serves as an adhesive, which can be stronger than the bonding of the joint surface 2 of the plastic moldings A1 and B4.

【００１７】[0017]

【発明の効果】この発明のプラスチック接合製品の製造
方法は、溶融樹脂によって導電材を成形するので、複雑
な形状の接合面を有するプラスチック成形体でも容易に
電磁誘導加熱による接合ができる。また、導電材を曲げ
加工する工程や、それを接合面に設置する工程などの面
倒な工程が必要なくなるので、生産性が高い。According to the method for manufacturing a plastic-bonded product of the present invention, since the conductive material is molded by the molten resin, even a plastic molded body having a bonding surface with a complicated shape can be easily bonded by electromagnetic induction heating. In addition, productivity is high because a complicated process such as a process of bending the conductive material and a process of installing the conductive material on the bonding surface is not necessary.

【図面の簡単な説明】[Brief description of drawings]

【図１】この発明の製造方法の実施例の一工程を示す断
面図である。FIG. 1 is a cross-sectional view showing a step of an embodiment of the manufacturing method of the present invention.

【図２】この発明の製造方法の実施例の一工程で得られ
るプラスチック成形体を示す断面斜視図である。FIG. 2 is a sectional perspective view showing a plastic molded body obtained in one step of the embodiment of the manufacturing method of the present invention.

【符号の説明】[Explanation of symbols]

１ プラスチック成形体Ａ ２ 接合面 ３ 導電材 ４ プラスチック成形体Ｂ ５ 接合装置 ５１ 高周波発信器 ５２ 加熱コイル ５３ 加圧プレス機 1 Plastic molding A 2 joining surface 3 Conductive material 4 Plastic molding B 5 joining device 51 high frequency oscillator 52 heating coil 53 Press machine

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 熱可塑性のプラスチック成形体Ａの表面
に導電性フィラーを含む溶融した成形樹脂を用いて導電
材を一体成形し、その表面に熱可塑性のプラスチック成
形体Ｂを重ね合わせた後、電磁誘導加熱により導電材を
加熱し、プラスチック成形体Ａとプラスチック成形体Ｂ
との接合面を溶融接着させることを特徴とするプラスチ
ック接合製品の製造方法。1. A conductive material is integrally molded on the surface of a thermoplastic plastic molding A using a molten molding resin containing a conductive filler, and a thermoplastic plastic molding B is superposed on the surface of the conductive material. The conductive material is heated by electromagnetic induction heating, and the plastic molded body A and the plastic molded body B are heated.
A method for producing a plastic-bonded product, which comprises melt-bonding a bonding surface with the. 【請求項２】 プラスチック成形体Ａと導電材とを二色
成形法により成形する請求項１記載のプラスチック接合
製品の製造方法。2. The method for producing a plastic joined product according to claim 1, wherein the plastic molding A and the conductive material are molded by a two-color molding method.
JP3180130A 1991-06-24 1991-06-24 Manufacture of plastic cemented product Withdrawn JPH05455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3180130A JPH05455A (en) 1991-06-24 1991-06-24 Manufacture of plastic cemented product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3180130A JPH05455A (en) 1991-06-24 1991-06-24 Manufacture of plastic cemented product

Publications (1)

Publication Number Publication Date
JPH05455A true JPH05455A (en) 1993-01-08

Family

ID=16077942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3180130A Withdrawn JPH05455A (en) 1991-06-24 1991-06-24 Manufacture of plastic cemented product

Country Status (1)

Country Link
JP (1) JPH05455A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07186272A (en) * 1993-12-28 1995-07-25 Stanley Electric Co Ltd Welding of plastic parts
US7570494B2 (en) 2001-09-11 2009-08-04 Brother Kogyo Kabushiki Kaisha Structure of flexible printed circuit board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07186272A (en) * 1993-12-28 1995-07-25 Stanley Electric Co Ltd Welding of plastic parts
US7570494B2 (en) 2001-09-11 2009-08-04 Brother Kogyo Kabushiki Kaisha Structure of flexible printed circuit board

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