JPH0780942A - 樹脂製品の溶融着方法 - Google Patents

樹脂製品の溶融着方法

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Publication number
JPH0780942A
JPH0780942A JP5254670A JP25467093A JPH0780942A JP H0780942 A JPH0780942 A JP H0780942A JP 5254670 A JP5254670 A JP 5254670A JP 25467093 A JP25467093 A JP 25467093A JP H0780942 A JPH0780942 A JP H0780942A
Authority
JP
Japan
Prior art keywords
resin product
resin
electric resistance
joint
fusion welding
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.)
Granted
Application number
JP5254670A
Other languages
English (en)
Other versions
JP2589647B2 (ja
Inventor
Masaru Kumagai
谷 勝 熊
Shunichi Nishimura
村 俊 一 西
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.)
TOA KOUKIYUU KEISHIYU VALVE SEIZO KK
TOKUSHU KOGYO KK
Original Assignee
TOA KOUKIYUU KEISHIYU VALVE SEIZO KK
TOKUSHU KOGYO KK
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Filing date
Publication date
Application filed by TOA KOUKIYUU KEISHIYU VALVE SEIZO KK, TOKUSHU KOGYO KK filed Critical TOA KOUKIYUU KEISHIYU VALVE SEIZO KK
Priority to JP5254670A priority Critical patent/JP2589647B2/ja
Publication of JPH0780942A publication Critical patent/JPH0780942A/ja
Application granted granted Critical
Publication of JP2589647B2 publication Critical patent/JP2589647B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B29C66/52—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
    • 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
    • B29C65/342—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 comprising at least a single wire, e.g. in the form of a winding
    • 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"
    • B29C65/3468—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 means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91214—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods by measuring the electrical resistance of a resistive element belonging to one of the parts to be welded, said element acting, e.g. as a thermistor
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9131—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux
    • B29C66/91311—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating
    • B29C66/91317—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating by measuring the electrical resistance
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B29C66/91653—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the voltage, i.e. the electric potential difference or electric tension
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • 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
    • B29C65/348—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 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
    • B29C66/70—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

Landscapes

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

Abstract

(57)【要約】 ［目的］ 溶融着させる第１の樹脂製品（１５）と第
２の樹脂製品（１６）が接合状態に適正にセットされな
い限り、電気溶融着作業を行えないようにする。 ［構成］ 第１の樹脂製品（１５）と第２の樹脂製品
（１６）が接合状態に適正にセットされたとき、第２の
樹脂製品（１６）によって閉保持されるスイッチ部（３
０）を第１の樹脂製品（１５）に埋込む電気抵抗線（１
８）に形成する。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、電気溶融着により接合
させる例えば接着剤での接合が不可能なポリエチレン樹
脂で成形された樹脂製品の溶融着方法に関する。
【０００２】
【従来の技術】一般に電気溶融着は樹脂製の管と継手の
接合に用いられており、管端を差込む継手の受口の内周
面に予め螺旋状に巻かれた電気抵抗線に電流を流し、管
と継手の接合部の樹脂を溶融させて接合するものであっ
た。
【０００３】
【発明が解決しようとする課題】前記従来技術は、管端
が継手の受口に完全に差込まれていなくても電気溶融着
することができたから、接合後に容易に分離してしまう
恐れがあった。
【０００４】
【課題を解決するための手段】然るに、本発明は、第１
の樹脂製品と第２の樹脂製品を接合状態にセットし、第
１の樹脂製品の表面に露出させた一対のターミナルピン
にコントローラのコネクタを接続し、第１の樹脂製品の
第２の樹脂製品との接合面に埋込み、且つ、両端を前記
ターミナルピンに接続した電気抵抗線への通電を前記コ
ントローラにより制御し、第１の樹脂製品と第２の樹脂
製品の電気溶融着を行う方法において、前記電気抵抗線
の中間部に通電を入切するスイッチ部を形成し、第１の
樹脂製品に第２の樹脂製品が所定の接合状態にセットさ
れたときにのみ、その第２の樹脂製品で前記スイッチ部
を閉保持させ、電気溶融着作業可能とするもので、第１
の樹脂製品と第２の樹脂製品が接合状態に適正にセット
されない限り、電気溶融着作業は行えないから、接合不
良などを未然に防止し得るものである。
【０００５】
【実施例】以下本発明の実施例を図面に基づいて詳述す
る。図１は第１の樹脂製品の部分拡大断面図、図２は電
気溶融着作業説明図であり、図中（１）はコントローラ
で、四角箱形の本体ケース上面には持運び用の左右取手
（２）を設けると共に、本体ケース正面の操作パネル
（３）面には、溶融着作業開始及び停止の各釦（４）
（５）と、ヒートパターン設定用の複数の入力釦（６）
…と、溶融着作業状態及び設定入力するヒートパターン
などを可視表示するデジタル表示器（７）と、各種の報
知声を発生するスピーカ（８）とを設けている。また交
流１００ボルトの商用電源に接続させるプラグ（９）を
先端に設ける電源コード（１０）と、地面などに差込む
金属棒（１１）を先端に設けるアースコード（１２）
と、樹脂製品に接続させるコネクタ（１３）を先端に設
ける接続コード（１４）とを、前記コントローラ（１）
の本体ケースから延出している。
【０００６】また、図中（１５）及び（１６）は接合部
を溶融させて接合させる同材質（ポリエチレン樹脂な
ど）の熱可塑性の樹脂製品である継手（第１の樹脂製
品）及び管（第２の樹脂製品）である。
【０００７】図１及び図３に示す如く、前記継手（１
５）の各受口（１５ａ）の内周面には、二つ折りにした
電気抵抗線（１８）を螺旋状に巻いてスリーブ状に形成
した発熱体（１９）がインサート成形により予め埋込ま
れると共に、前記継手（１５）の各受口（１５ａ）の端
面には、電気抵抗線（１８）の両端に接続した電源用メ
ス端子（２０）（２１）の接続端面が露呈されている。
【０００８】前記電気抵抗線（１８）は、ニッケル線な
どの電気抵抗素線を熱可塑性樹脂（継手と同材質が望ま
しい）で被覆したもので、電気抵抗線（１８）の材質、
長さ、太さ、電気抵抗は継手（１５）の材質、形状、サ
イズなど品種によって適宜選定されている。
【０００９】また、前記継手（１５）の各受口（１５
ａ）には、その継手（１５）の材質、形状、サイズなど
品種によって静電容量の異なる品種判別用のコンデンサ
（２２）を予め埋め込むと共に、電気抵抗線（１８）の
一端側にコンデンサ（２２）の一端を接続させ、そのコ
ンデンサ（２２）の他端に接続した品種信号出力用メス
端子（２３）の接続端面を、前記継手（１５）の各受口
（１５ａ）の端面で、前記電源用メス端子（２０）（２
１）間に露呈させている。
【００１０】一方、前記コネクタ（１３）の接続端面か
らは、継手（１５）側の各メス端子（２０）（２１）
（２３）に同時に差込み接続させるオス端子（２４）
（２５）（２６）が突出固定されると共に、電源用オス
端子（２４）（２５）間の品種信号入力用オス端子（２
６）は筒軸状に形成され、そのオス端子（２６）内部に
摺動自在に筒軸状の温度センサケース（２７）を設ける
もので、前記温度センサケース（２７）の先端に温度セ
ンサーであるサーミスタ（２８）を取付け、前記温度セ
ンサケース（２７）をバネ（２９）によりオス端子（２
６）の先端側に弾圧することにより、オス端子（２６）
の先端外側にサーミスタ（２８）の先端側を退入自在に
突出支持させ、各オス端子（２４）（２５）（２６）及
びサーミスタ（２８）をコントローラ（１）に接続させ
ている。
【００１１】また、前記発熱体（１９）を形成する電気
抵抗線（１８）の中間部に通電を入切するスイッチ部
（３０）を形成するもので、該スイッチ部（３０）は継
手（１５）の受口（１５ａ）最奥部に位置する発熱体
（１９）の一端つまり電気抵抗線（１８）の折曲げ端部
を切断し、その切断端部の電気抵抗線（１）の樹脂被膜
を取除き電気抵抗素線を露出させ、一端が一方の電源用
メス端子（２０）に接続される電気抵抗素線の他端と、
一端が他方の電源用メス端子（２１）に接続される電気
抵抗素線の他端とを、継手（１５）の受口（１５ａ）の
最奥部外周側に非接触状態（スイッチ部が切状態）で露
出させ、継手（１５）の受口（１５ａ）の最奥部まで管
（１６）の端部が適正に差込まれたときにのみ、その管
（１６）の端部外周面で前記各電気抵抗素線の他端を接
触保持（スイッチ部が入状態）させ、継手（１５）の受
口（１５ａ）の最奥部まで管（１６）の端部が適正に差
込まれていない場合、発熱体（１９）からの発熱を行え
ないように構成している。
【００１２】尚、前記スイッチ部（３０）を確実に入切
できるように、板バネ状の接触片を用いたり、その接触
片の位置規制を行う溝を継手（１５）の受口（１５ａ）
内周面に設けることは容易に行えるものである。
【００１３】而して、溶融着作業現場にコントローラ
（１）を持込み、電源コード（１０）先端のプラグ
（９）を溶融着作業現場に備えられる電源に接続させる
と共に、アースコード（１２）先端の金属棒（１１）を
溶融着作業現場の地面に差込み、コントローラ（１）を
溶融着作業可能にセットする一方、継手（１５）の受口
（１５ａ）に管（１６）の端部を差込みセットし、また
クランプ具（図示省略）により継手（１５）と管（１
６）を接合状態に固定し、管（１６）の端部を差込んだ
継手（１５）の受口（１５ａ）端面の各メス端子（２
０）（２１）（２３）に前記コントローラ（１）の接続
コード（１４）先端のコネクタ（１３）のオス端子（２
４）（２５）（２６）を差込み、溶融着作業開始釦
（４）をオン操作することにより、自動的に溶融着作業
が開始されるもので、前記コントローラ（１）は、溶融
着作業開始釦（４）がオン操作されると同時に、前記電
気抵抗線（１８）に通電すると共に、継手（１５）から
の品種判別信号と温度信号を読み込み、その信号に基づ
いて品種に対応した発熱体（１９）の発熱量及び時間つ
まりヒートパターンを自動的に設定し、そのヒートパタ
ーンに基づいて前記電気抵抗線（１８）への通電を制御
し、前記発熱体（１９）からの発熱により継手（１５）
の受口（１５ａ）内周面と管（１６）の端部外周面の樹
脂を溶融着させ、これらを接合させるものである。
【００１４】そして、上記溶融着作業において、継手
（１５）の受口（１５ａ）の最奥部まで管（１６）の端
部が適正に差込みセットされていない場合には、電気抵
抗線（１８）のスイッチ部（３０）は開いた状態にあ
り、電気抵抗線（１８）に通電することはできないか
ら、溶融着は行えず、継手（１５）の受口（１５ａ）の
最奥部まで管（１６）の端部が適正に差込みセットされ
て初めて、電気抵抗線（１８）のスイッチ（３０）が閉
保持され、電気抵抗線（１８）に通電され、溶融着作業
が開始されるものである。
【００１５】
【発明の効果】以上実施例から明らかなように本発明
は、第１の樹脂製品（１５）と第２の樹脂製品（１６）
を接合状態にセットし、第１の樹脂製品（１５）の表面
に露出させた一対のターミナルピン（２０）（２１）に
コントローラ（１）のコネクタ（１３）を接続し、第１
の樹脂製品（１５）の第２の樹脂製品（１６）との接合
面に埋込み、且つ、両端を前記ターミナルピン（２０）
（２１）に接続した電気抵抗線（１８）への通電を前記
コントローラ（１）により制御し、第１の樹脂製品（１
５）と第２の樹脂製品（１６）の電気溶融着を行う方法
において、前記電気抵抗線（１８）の中間部に通電を入
切するスイッチ部（３０）を形成し、第１の樹脂製品
（１５）に第２の樹脂製品（１６）が所定の接合状態に
セットされたときにのみ、その第２の樹脂製品（１６）
で前記スイッチ部（３０）を閉保持させ、電気溶融着作
業可能とするもので、第１の樹脂製品（１５）と第２の
樹脂製品（１６）が接合状態に適正にセットされない限
り、電気溶融着作業は行えないから、接合不良などを未
然に防止できる顕著な効果を奏するものである。
【図面の簡単な説明】
【図１】第１の樹脂製品の部分拡大断面図。
【図２】電気溶融着作業説明図。
【図３】第１の樹脂製品と第２の樹脂製品の電気接線説
明図。
【符号の説明】
（１） コントローラ （１３） コネクタ （１５） 継手（第１の樹脂製品） （１６） 管（第２の樹脂製品） （１８） 電気抵抗線 （２０）（２１） メス端子（ターミナルピン） （３０） スイッチ部

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 第１の樹脂製品と第２の樹脂製品を接合
    状態にセットし、第１の樹脂製品の表面に露出させた一
    対のターミナルピンにコントローラのコネクタを接続
    し、第１の樹脂製品の第２の樹脂製品との接合面に埋込
    み、且つ、両端を前記ターミナルピンに接続した電気抵
    抗線への通電を前記コントローラにより制御し、第１の
    樹脂製品と第２の樹脂製品の電気溶融着を行う方法にお
    いて、前記電気抵抗線の中間部に通電を入切するスイッ
    チ部を形成し、第１の樹脂製品に第２の樹脂製品が所定
    の接合状態にセットされたときにのみ、その第２の樹脂
    製品で前記スイッチ部を閉保持させ、電気溶融着作業可
    能とすることを特徴とする樹脂製品の溶融着方法。
JP5254670A 1993-09-16 1993-09-16 樹脂製品の溶融着装置 Expired - Fee Related JP2589647B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5254670A JP2589647B2 (ja) 1993-09-16 1993-09-16 樹脂製品の溶融着装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5254670A JP2589647B2 (ja) 1993-09-16 1993-09-16 樹脂製品の溶融着装置

Publications (2)

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JPH0780942A true JPH0780942A (ja) 1995-03-28
JP2589647B2 JP2589647B2 (ja) 1997-03-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995016557A3 (en) * 1993-12-15 1996-02-29 Tokushu Kogyo Kabushikigaisha Electrofusion fastening apparatus
CN113915437A (zh) * 2020-07-10 2022-01-11 四川鑫中泰新材料有限公司 一种抗静电钢塑复合管及其连接装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0167022U (ja) * 1987-10-22 1989-04-28
JPH01172692A (ja) * 1987-12-25 1989-07-07 Mitsui Petrochem Ind Ltd エレクトロフュージョン継手の接合方法
JPH01312295A (ja) * 1988-06-08 1989-12-18 Mitsui Petrochem Ind Ltd エレクトロフュージョン継手の融着時に使用する管把持用のクランプ及びその融着方法
JPH02101193U (ja) * 1989-01-27 1990-08-13

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0167022U (ja) * 1987-10-22 1989-04-28
JPH01172692A (ja) * 1987-12-25 1989-07-07 Mitsui Petrochem Ind Ltd エレクトロフュージョン継手の接合方法
JPH01312295A (ja) * 1988-06-08 1989-12-18 Mitsui Petrochem Ind Ltd エレクトロフュージョン継手の融着時に使用する管把持用のクランプ及びその融着方法
JPH02101193U (ja) * 1989-01-27 1990-08-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995016557A3 (en) * 1993-12-15 1996-02-29 Tokushu Kogyo Kabushikigaisha Electrofusion fastening apparatus
CN113915437A (zh) * 2020-07-10 2022-01-11 四川鑫中泰新材料有限公司 一种抗静电钢塑复合管及其连接装置

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