JPH07239085A - 高周波誘導発熱体を用いた管継手におけるｉｈ樹脂ヒーター - Google Patents

高周波誘導発熱体を用いた管継手におけるｉｈ樹脂ヒーター

Info

Publication number
JPH07239085A
JPH07239085A JP6052505A JP5250594A JPH07239085A JP H07239085 A JPH07239085 A JP H07239085A JP 6052505 A JP6052505 A JP 6052505A JP 5250594 A JP5250594 A JP 5250594A JP H07239085 A JPH07239085 A JP H07239085A
Authority
JP
Japan
Prior art keywords
high frequency
heater
frequency induction
induction heating
joint
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.)
Pending
Application number
JP6052505A
Other languages
English (en)
Inventor
Kotaro Shiozaki
孝太郎 塩崎
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.)
Fujipura Seiko Co Ltd
Original Assignee
Fujipura Seiko 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 Fujipura Seiko Co Ltd filed Critical Fujipura Seiko Co Ltd
Priority to JP6052505A priority Critical patent/JPH07239085A/ja
Publication of JPH07239085A publication Critical patent/JPH07239085A/ja
Pending 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
    • 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
    • B29C65/3608—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 comprising single particles, e.g. fillers or discontinuous fibre-reinforcements
    • B29C65/3612—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 comprising single particles, e.g. fillers or discontinuous fibre-reinforcements comprising fillers
    • 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
    • B29C65/3608—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 comprising single particles, e.g. fillers or discontinuous fibre-reinforcements
    • B29C65/3616—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 comprising single particles, e.g. fillers or discontinuous fibre-reinforcements comprising discontinuous fibre-reinforcements
    • 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
    • B29C65/364—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 woven or non-woven fabric or being a mesh
    • 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
    • B29C65/368—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 with a polymer coating
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4865—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives
    • B29C65/487—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their shape, e.g. being fibres or being spherical
    • B29C65/4875—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their shape, e.g. being fibres or being spherical being spherical, e.g. particles or powders
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4865—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives
    • B29C65/487—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their shape, e.g. being fibres or being spherical
    • B29C65/488—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their shape, e.g. being fibres or being spherical being longitudinal, e.g. fibres
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4865—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives
    • B29C65/4885—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their composition being non-plastics
    • B29C65/489—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives characterised by their composition being non-plastics being metals
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces 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
    • B29C66/01—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
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • 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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
    • B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

(57)【要約】 【目的】 この発明は高周波誘導発熱材を介して接合管
を接続するためＩＨ樹脂ヒーターに関し、前記ヒーター
のヒーター体によって継手部材と接合管材との接着効果
を良好にすると共に防錆機能を向上させるものである。 【構成】 ヒーター体は熱可塑性合成樹脂と粉粒状の高
周波誘導発熱材に対してシランカップリング材をコーテ
ィングしたものとを混練成型して形成されている。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明は高周波発熱体を用いた
合成樹脂管の管継手に関し、具体的には前記管継手をＩ
Ｈ樹脂ヒーターで形成したもので、更に具体的には前記
ＩＨ樹脂ヒーターに対して管と管継手の融着時の接着性
と接着後の防錆機能とを向上させるようにした高周波誘
導発熱体を用いた合成樹脂管の管継手におけるＩＨ樹脂
ヒーターに係る。
【０００２】
【従来の技術】この出願の同出願人は特願平５−１５４
５２５号において高周波誘導発熱体を有する管継手に関
する技術開示を行っている。前記開示技術について略述
すれば次のとおりである。図６に示すように管継手１０
は熱可塑性合成樹脂材の継手１で形成されており、発熱
層２は継手１の内部に配設されており、発熱層２は図７
に示すように、継手材１と同材料、または親和性のある
異質材料２１と高周波誘導性の発熱体で形成した粉粒体
２２とを混練した状態で成形されている。
【０００３】図８は前記した管継手１０の使用態様を示
したもので、合成樹脂製の接合管２０に対して管継手１
０を接続する場合には、管継手の継手１の発熱層２を接
合管２０との接合部位に当接し、この状態下で高周波磁
界発生装置Ｅを作動させて継手１内の発熱層を誘導加熱
し、この熱によって接続部位を溶融化し、継手と接合管
を融着結合しようとするものである。
【０００４】
【発明が解決しようとする課題】この発明は上記した特
願平５−１５４５２号の改良を目的とするものである。
【０００５】
【課題を解決するための手段】この発明の解決課題１つ
は前記した発熱層を単体として形成したことであり、解
決課題の他の１つは高周波誘導発熱材に対して溶融時の
接着性と接着後の防錆機能を付与したことである。
【０００６】図１は前記した解決課題１のための高周波
誘導発熱体を用いた管継手におけるＩＨ樹脂ヒーターを
示したものであり、同図において１０はＩＨ樹脂ヒータ
ー、１はヒーター体、１１は熱可塑性合成樹脂材あるい
は前記材料と親和性のある異質の樹脂材、１２は高周波
誘導発熱材を表わし、ヒーター体１は円筒体として形成
されており、高周波誘導発熱材をＦｅあるいはＦｅ−Ｎ
ｉ合金の粉粒体または短繊維として形成されており、そ
の大きさはほぼ０．０３ｍ／ｍ〜２ｍ／ｍであり、合成
樹脂巾に重量比で２０〜９０％混入されている。
【０００７】図２は前記した解決課題の他の１つのため
のＩＨ樹脂ヒーターを示したものであり、同図から明ら
かなように、高周波誘導発熱材１２をシランカップリン
グ材１３によってカップリング処理したものが示されて
いる。なおシランカップリング剤としてはビニル基，エ
ポキシ基，アミノ基，メタクリル基，メルカブト基など
が好適である。
【０００８】
【作用】この発明はＩＨ樹脂ヒーターのヒーター体１を
熱可塑性合成樹脂とカップリング処理した高周波誘導加
熱材とを混練した構成としたもので高周波誘導加熱時の
溶融樹脂の安定と固化成型後の防錆機能をはかることが
できる。
【０００９】
【実施例】この発明の実施例を図３により説明すれば次
のとおりである。同図示から明らかなようにこの発明に
係るＩＨ樹脂ヒーター１０は熱可塑性合成樹脂材製の継
手部材２０の円周溝２１内に挿着されており、接合すべ
き接合管３０，３０の外表面にヒーター面を直接接触す
るようにセットされている。
【００１０】このように維持された状態で、継手部材２
０の外部にセットされた高周波電源と磁界発生コイルを
有する高周波磁界発生装置Ｅを作動させてＩＨ樹脂ヒー
ター１０を誘導加熱し、この熱によって継手部材２０と
接合管３０との対接部位を溶融化し、継手部材２０と接
続管３０，３０とを固化接続するものである。
【００１１】なお継手部材２０内にはＩＨ樹脂ヒーター
を装着した場合、図示のように前記ヒーターの両側に溶
融化を及ぼさないための非発熱層部Ｃ，Ｃの存在するこ
とが好ましい。
【００１２】ＩＨ樹脂ヒーターの他の実施例が図４に示
されている。この実施例の場合はＩＨ樹脂ヒーター１０
を網筒形状に形成したもので、網目形成杆１，１はいず
れもヒーター体で形成されており、図５に示すように熱
可塑性合成樹脂材１１中に高周波誘導発熱材１２に対し
てシランカップリング材１３をコーティングしたものを
混練した構成とされている。
【００１３】この発明は上記した実施例に限定されるも
のでなく、例えばＩＨ樹脂ヒーターおよびヒータ体の形
状大きさは任意に設計できるものであり、高周波誘導発
熱材とこの発熱材に対するシランカップリング材のそれ
ぞれの選択は継手素材に対応するものを任意に適用でき
るものである。
【００１４】その上この発明は高周波誘導発熱材にシラ
ンカップリングをコーティングしたので、溶融時の活性
化が行なわれ、例えばＰ．Ｖ．Ｃなどに対する純鉄のみ
を介在させた際、生ずる熱劣化を生じさせることがなく
熱劣化防止の促進を行うものである。
【００１５】
【発明の効果】この発明はＩＨ樹脂ヒーターを継手部材
から分離した単体として形成したので、接合管に適応す
るものを自由に選択できる。また、この発明はヒーター
体を熱可塑性合成樹脂材をシランカップリング材でコー
ティングした高周波誘導発熱材とを混練した構成とした
ので、シランカップリング材が高周波誘導加熱によって
溶融化する継手部材と接合管との良好な接着のための触
媒として作用するばかりでなく、継手成型後でも前記し
た発熱材に対する防錆機能をはたすものである。
【図面の簡単な説明】
【図１】ＩＨ樹脂ヒーターの要部断面図である。
【図２】ヒーター体の要部断面図である。
【図３】この発明の実施例を示す要部断面図である。
【図４】他のヒーター体の説明図である。
【図５】他のヒーター体の要部断面図である。
【図６】従来の管継手の要部断面図である。
【図７】従来の継手材の断面図である。
【図８】従来の管継手の作用説明図である。
【符号の説明】
１ ヒーター体 １０ ＩＨ樹脂ヒーター １１ 熱可塑性合成樹脂材 １２ 高周波誘導発熱材 １３ シランカップリング材 ２０ 継手部材 ２１ 円周溝 ３０ 接合管 Ｅ 高周波磁界発生装置

Claims (3)

    【特許請求の範囲】
  1. 【請求項１】 高周波磁界発生装置によって加熱される
    高周波誘導発熱体を有する管継手において、管継手の発
    熱体を熱可塑性合成樹脂材またはこれと親和性のある異
    質の熱可塑性合成樹脂材と粉粒状に形成した高周波誘導
    発熱材にカップリング処理を行なったものと混練成形し
    て、ヒータ体を構成したことを特徴とする高周波誘導発
    熱体を用いた管継手におけるＩＨ樹脂ヒーター。
  2. 【請求項２】 請求項１記載のヒーター体を継手部材と
    独立した単体として形成したことを特徴とするＩＨ樹脂
    ヒーター。
  3. 【請求項３】 請求項１記載のヒーター体を網筒状に形
    成したことを特徴とするＩＨ樹脂ヒーター。
JP6052505A 1994-02-28 1994-02-28 高周波誘導発熱体を用いた管継手におけるｉｈ樹脂ヒーター Pending JPH07239085A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6052505A JPH07239085A (ja) 1994-02-28 1994-02-28 高周波誘導発熱体を用いた管継手におけるｉｈ樹脂ヒーター

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6052505A JPH07239085A (ja) 1994-02-28 1994-02-28 高周波誘導発熱体を用いた管継手におけるｉｈ樹脂ヒーター

Publications (1)

Publication Number Publication Date
JPH07239085A true JPH07239085A (ja) 1995-09-12

Family

ID=12916595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6052505A Pending JPH07239085A (ja) 1994-02-28 1994-02-28 高周波誘導発熱体を用いた管継手におけるｉｈ樹脂ヒーター

Country Status (1)

Country Link
JP (1) JPH07239085A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040080029A (ko) * 2003-03-10 2004-09-18 미래엔텍 주식회사 합성수지관 연결구
DE102004033349A1 (de) * 2004-07-09 2006-02-16 Veritas Ag Kupplung, Leitung, Anordnung derselben, Verfahren zu deren Herstellung sowie Verfahren zum Verbinden und Lösen von Leitungen
LU100865B1 (en) * 2018-07-03 2020-01-07 Aliaxis R&D Sas Coupling element, coupling assembly with such a coupling element and method of coupling a first substrate to such a coupling element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040080029A (ko) * 2003-03-10 2004-09-18 미래엔텍 주식회사 합성수지관 연결구
DE102004033349A1 (de) * 2004-07-09 2006-02-16 Veritas Ag Kupplung, Leitung, Anordnung derselben, Verfahren zu deren Herstellung sowie Verfahren zum Verbinden und Lösen von Leitungen
LU100865B1 (en) * 2018-07-03 2020-01-07 Aliaxis R&D Sas Coupling element, coupling assembly with such a coupling element and method of coupling a first substrate to such a coupling element
WO2020007924A1 (en) * 2018-07-03 2020-01-09 Aliaxis R&D S.A.S Coupling element, coupling assembly with such a coupling element and method of coupling a first substrate to such a coupling element

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