JPH09323359A - Ｉｈ樹脂ヒーターとこれを用いたら旋管の接合装置 - Google Patents

Ｉｈ樹脂ヒーターとこれを用いたら旋管の接合装置

Info

Publication number
JPH09323359A
JPH09323359A JP8163595A JP16359596A JPH09323359A JP H09323359 A JPH09323359 A JP H09323359A JP 8163595 A JP8163595 A JP 8163595A JP 16359596 A JP16359596 A JP 16359596A JP H09323359 A JPH09323359 A JP H09323359A
Authority
JP
Japan
Prior art keywords
heating element
heater
spiral
high frequency
heating
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
JP8163595A
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 JP8163595A priority Critical patent/JPH09323359A/ja
Publication of JPH09323359A publication Critical patent/JPH09323359A/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
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C65/364—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
    • B29C65/3604—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
    • 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
    • B29C65/3648—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 said strip being perforated
    • 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
    • B29C65/3656—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 layer of a multilayer part to be joined, e.g. for joining plastic-metal laminates
    • 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
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • 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
    • B29C66/52295—Joining tubular articles involving the use of a socket said socket comprising 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
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/18—Pleated or corrugated hoses

Landscapes

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

Abstract

(57)【要約】 【課題】 この発明は硬質ポリエチレン製のら旋管とら
旋管との接合装置に係る。 【解決手段】 内部にら旋条を形成し接着材と発熱体と
で構成したＩＨ樹脂ヒーターを先端部を対接させた２本
のら旋管のら旋条に巻着して接合部を形成し、この接合
部に高周波誘導加熱を施してら旋管を接合するものであ
る。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】この発明は接着性樹脂（adhe
sive polymer）と高周波誘導発熱体とで形成されたＩＨ
樹脂とこのＩＨ樹脂を用いた管と管との接合装置に関
し、より具体的にはら旋管とら旋管との接合装置に係
る。
【０００２】
【従来の技術】この出願と同一出願人によって特開平７
−１３９６８１号で技術開示しているＩＨ樹脂ヒーター
を用いた合成樹脂管の接続手段は図１２で示すように、
高周波誘導発熱体で形成した発熱層１’を合成樹脂材１
２’と磁性材料例えばＦｅ系粉体１１’とを混練して形
成し、図１３に示すようにこの発熱層１’を継手部材
２’に挿着し外部にセットした高周波磁界発送装置Ｅを
作動させて発熱層１’と対接する２本の合成樹脂パイプ
３’，３’および継手部材２’のそれぞれの部位を溶融
個化させて結合するものであった。
【０００３】
【発明が解決しようとする課題】従来のＩＨ樹脂ヒータ
ーを用いて接合される合成樹脂パイプはいずれも、接合
する両合成樹脂継手部材および発熱層の合成樹脂材のそ
れぞれの材質はいずれも同質か、これと親和性のある材
質に限定されるものである。この発明は接合すべき合成
樹脂パイプおよび継手部材とが異質材であっても接続を
行えるようなＩＨ樹脂ヒーターを提供しようとするもの
である。
【０００４】
【課題を解決するための手段】この発明に係る高周波誘
導発熱体の発熱層を図１，図２および図３により説明す
れば次のとおりである。図１に示すＩＨ樹脂ヒーターを
形成する発熱層１は高周波発熱体１２と接着材１１とを
混練した構造とされている。図２に示す発熱層１は発熱
体１２をコア形状に形成したものであり、図３に示す発
熱層１は発熱体１２を平板形状に形成したものである。
【０００５】発熱体１２は高周波誘導発熱体であるＦ
ｅ，Ｆｅ−Ｎｉ合金などが用いられている。接着材１１
はポリエチレンまたはポリプロピレンあるいはポリオレ
フィンを不飽和カルボン酸あるいはその無水物で変性し
た組成物あるいは酸価が１０〜１００当量／１０6 ｇで
平均分子量５０００以下の非晶性重合ポリエステルより
なるもので、商品名「ポリタック」（出光石油化学
製）、「バイロン」（東洋紡精製）、「アドマー」（三
井石油化学製）、あるいは「ボンドファースト」（住友
化学工業製）（以上いずれも株式会社）などの熱接着材
であり、多層容器例えば食品容器などの中間層として利
用するもので公知材料である。なお金属に対する接着材
として特開平１−１５３７９号として技術開示されてい
る。また上記接着材を用いた高周波誘導発熱材を備えた
ＩＨ樹脂ヒーターに関してはこの出願人による特願平８
−１７０１０号で技術開示されている。
【０００６】
【発明の実施の形態】この発明に係る発熱体は比較的低
周波または低電圧下のヒステリシス損発熱あるいはうず
電流発熱を発生させることで発熱効果を得ようとするも
ので高周波誘導発熱体の具体的態様を以下の添付図面に
より説明すれば次のとおりである。図４乃至図８に示す
発熱体１はいずれもコア形状を示したもので図４は発熱
体１２を鉄性の線材１３を用いて格子型に形成したもの
である。
【０００７】図５に示す発熱体１２は鉄性の線材１３を
織成または編組したものである。なお上記両網目を密に
することで発熱効果を良好なものとすることができる。
図６に示す発熱体１２は鉄性の円筒体１３として形成し
たものである。図７に示す発熱体１２は鉄性の円筒体１
３に多数の孔１４を形成したものである。図８に示す発
熱体１２は鉄性の粉体を焼結して円筒体１３として形成
したもので円筒体表面は多数の突起１５が存在するの
で、発熱表面積を大きくすると共に補強効果を得られる
ものである。
【０００８】
【実施例】この発明の実施例を合成樹脂性のら旋管に適
用した場合につき説明すれば次のとおりである。またこ
の実施例における合成樹脂性ら旋管は地中電線，通信ケ
ーブルあるいは光ファイバーなどを地下に埋設する際、
前記各電線ケーブルなどを格納してこれを保護するため
の保護管として利用されるもので硬質ポリエチレン材で
形成されている。
【０００９】図９は硬質ポリエチレン製の２本のら旋管
を接合する場合にＩＨ樹脂ヒーターを用いた接合装置を
示したもので、２本のら旋管２，３は先端を対接した状
態でＩＨ樹脂ヒーター（発熱層）１によって外表面を保
持固定されている。同図から明らかなように、発熱体１
は内部に形成したら旋条１８をそれぞれのら旋管のら旋
条２１，３１に巻着して両ら旋管２，３に対する接合部
材として機能している。
【００１０】また発熱層１の接着材１１内には発熱体１
２が同心状に埋設されている。この状態における発熱体
１に対して外部にセットし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を作動すれば発熱層中
の鉄性の発熱体１２が発熱し、これによって接着材１１
が溶融し、この溶融液とら旋管のポリエチレンとが融合
するので、前記接合部は冷却後固化することで両管は封
密状に接合する。
【００１１】〔他の実施例〕図１０は硬質ポリエチレン
管の壁厚が比較的薄いら旋管にＩＨ樹脂ヒーターを適用
する場合を示したものである。この実施例の場合は発熱
層１内に埋設されている発熱体１は２本のら旋管２，３
のら旋条２１，３１に対してら旋条の表面からほぼ等距
離に位置するように発熱層内に形成されている。
【００１２】その詳細を図１１により説明すれば次のと
おりである。図１１に示すように、壁厚ｈをもつら旋管
の凸凹面１９に当接する発熱層１のら旋条凸凹面１８か
ら所定距離Ｓを持つように発熱体１２を接着材１１内に
形成したものである。なおｈ≒Ｓに形成されている。
【００１３】このように発熱体を形成することによって
図１０における高周波磁界発生装置Ｅを作動すれば、ポ
リエチレン管のら旋条の壁厚ｈと接着材のら旋条表面か
らの発熱体の埋設距離Ｓとがほぼ同距離に位置設定する
ことでこの部分における発熱体１２による接着材１１の
溶融量および熱伝導の関係からら旋管の凹凸部を破壊す
ることなく両ら旋管を接合できるものである。
【００１４】なお前記実施例においては鉄性の線材のコ
ア形状を選択することによって比較的低周波あるいはヒ
ステリシス損またはうず電流に対応できるものが得られ
るものである。また接合すべきら旋管が異種材管であっ
ても接着材を選択することで接合できるものである。
【００１５】
【発明の効果】この発明は硬質ポリエチレン製のら旋管
の接合に際して接着材を溶融材とするＩＨ樹脂ヒーター
（発熱層）を適用したもので特にら旋管の壁厚の比較的
厚い場合に対しては当然のこと比較的薄い場合にも適用
できる接合装置である。
【図面の簡単な説明】
【図１】この発明に係る発熱層の説明図である。
【図２】この発明に係る発熱層の説明図である。
【図３】この発明に係る発熱層の説明図である。
【図４】発熱体の説明図である。
【図５】発熱体の説明図である。
【図６】発熱体の説明図である。
【図７】発熱体の説明図である。
【図８】発熱体の説明図である。
【図９】実施例の要部断面図である。
【図１０】他の実施例の要部断面図である。
【図１１】図１０の要部拡大図である。
【符号の説明】
１ 発熱層 ２（３） ら旋管 １１ 接着材 １２ 発熱体 １３ 円筒体 １８ ら旋条 １９ ら旋管のら旋条の凹凸面 ２１（３１） ら旋条 ｈ 壁厚 Ｓ 発熱層のら旋条の凸凹表面から発熱体までの距離
─────────────────────────────────────────────────────
【手続補正書】
【提出日】平成８年７月３０日
【手続補正１】
【補正対象書類名】明細書
【補正対象項目名】図面の簡単な説明
【補正方法】変更
【補正内容】
【図面の簡単な説明】
【図１】この発明に係る発熱層の説明図である。
【図２】この発明に係る発熱層の説明図である。
【図３】この発明に係る発熱層の説明図である。
【図４】発熱体の説明図である。
【図５】発熱体の説明図である。
【図６】発熱体の説明図である。
【図７】発熱体の説明図である。
【図８】発熱体の説明図である。
【図９】実施例の要部断面図である。
【図１０】他の実施例の要部断面図である。
【図１１】図１０の要部拡大図である。
【図１２】従来の発熱管の説明図である。
【図１３】従来の実施例の説明図である。
【符号の説明】 １ 発熱層 ２（３） ら旋管 １１ 接着材 １２ 発熱体 １３ 円筒体 １８ ら旋条 １９ ら旋管のら旋条の凹凸面 ２１（３１） ら旋条 ｈ 壁厚 Ｓ 発熱層のら旋条の凸凹表面から発熱体までの距離

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 硬質ポリエチレン製のら旋管の接合に際
    して２本のら旋管のそれぞれのら旋条に、巻着するら旋
    条を形成した接着材中に発熱体を埋設したＩＨ樹脂ヒー
    ターを巻着して接合部を形成し、この接合部に対して高
    周波誘導加熱を行うことで前記接合部を溶融固化して、
    ら旋管を接合するようにしたことを特徴とするＩＨ樹脂
    ヒーターとこれを用いたら旋管の接合装置。
JP8163595A 1996-06-05 1996-06-05 Ｉｈ樹脂ヒーターとこれを用いたら旋管の接合装置 Pending JPH09323359A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8163595A JPH09323359A (ja) 1996-06-05 1996-06-05 Ｉｈ樹脂ヒーターとこれを用いたら旋管の接合装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8163595A JPH09323359A (ja) 1996-06-05 1996-06-05 Ｉｈ樹脂ヒーターとこれを用いたら旋管の接合装置

Publications (1)

Publication Number Publication Date
JPH09323359A true JPH09323359A (ja) 1997-12-16

Family

ID=15776914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8163595A Pending JPH09323359A (ja) 1996-06-05 1996-06-05 Ｉｈ樹脂ヒーターとこれを用いたら旋管の接合装置

Country Status (1)

Country Link
JP (1) JPH09323359A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009536295A (ja) * 2006-05-05 2009-10-08 アロイス・グルーバー・ゲーエムベーハー 熱可塑性材料製の管を接続する方法及び装置
KR101249848B1 (ko) * 2011-09-22 2013-04-02 프로몰엔지니어링주식회사 전력주름관 연결 융착시공방법과 그를 위한 연결관 및 융착장치
CN107635743A (zh) * 2015-03-18 2018-01-26 阿格鲁塑料技术有限公司 感应连接套筒
WO2018073430A1 (de) * 2016-10-20 2018-04-26 Ke Kelit Kunststoffwerk Gmbh Induktives verschweissen von kunststoffobjekten mit elektrisch unterbrochenem aufheizmittel
US12076939B2 (en) 2015-03-18 2024-09-03 Agru Kunststofftechnik Gesellschaft M.B.H. Induction connection sleeve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009536295A (ja) * 2006-05-05 2009-10-08 アロイス・グルーバー・ゲーエムベーハー 熱可塑性材料製の管を接続する方法及び装置
KR101249848B1 (ko) * 2011-09-22 2013-04-02 프로몰엔지니어링주식회사 전력주름관 연결 융착시공방법과 그를 위한 연결관 및 융착장치
CN107635743A (zh) * 2015-03-18 2018-01-26 阿格鲁塑料技术有限公司 感应连接套筒
CN107635743B (zh) * 2015-03-18 2020-04-03 阿格鲁塑料技术有限公司 感应连接套筒
US12076939B2 (en) 2015-03-18 2024-09-03 Agru Kunststofftechnik Gesellschaft M.B.H. Induction connection sleeve
WO2018073430A1 (de) * 2016-10-20 2018-04-26 Ke Kelit Kunststoffwerk Gmbh Induktives verschweissen von kunststoffobjekten mit elektrisch unterbrochenem aufheizmittel
US11254063B2 (en) 2016-10-20 2022-02-22 Brugg Rohrsystem Ag Inductive welding of plastic objects with electrically interrupted heating means

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