JPH05306794A - 電熱線を内蔵した管継手の接続装置 - Google Patents

電熱線を内蔵した管継手の接続装置

Info

Publication number
JPH05306794A
JPH05306794A JP4114971A JP11497192A JPH05306794A JP H05306794 A JPH05306794 A JP H05306794A JP 4114971 A JP4114971 A JP 4114971A JP 11497192 A JP11497192 A JP 11497192A JP H05306794 A JPH05306794 A JP H05306794A
Authority
JP
Japan
Prior art keywords
synthetic resin
peripheral surface
resin pipe
pipe
receiving port
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
JP4114971A
Other languages
English (en)
Other versions
JP3258369B2 (ja
Inventor
Tadao Ando
忠雄 安藤
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.)
Mitsubishi Plastics Inc
Original Assignee
Mitsubishi Plastics Inc
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 Mitsubishi Plastics Inc filed Critical Mitsubishi Plastics Inc
Priority to JP11497192A priority Critical patent/JP3258369B2/ja
Publication of JPH05306794A publication Critical patent/JPH05306794A/ja
Application granted granted Critical
Publication of JP3258369B2 publication Critical patent/JP3258369B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • 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"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/58—Snap connection
    • 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • 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
    • 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
    • B29C66/52297—Joining tubular articles involving the use of a socket said socket comprising slip-off prevention means
    • 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
    • B29C66/70—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)
  • Branch Pipes, Bends, And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】 【目的】 配管施工が簡単、かつ確実に行なえる電熱線
を内蔵した管継手の接続装置を提供する。 【構成】 管継手１の一端部に設けた受口１１の内周面
に電熱線１２を所定間隔で螺旋状に埋設し、該受口１１
内に合成樹脂管２の端部を嵌挿する。また、受口１１の
内周面と合成樹脂管２の端部外周面に設けた凹凸３ａ，
３ｂ同士を係合させて合成樹脂管２の抜け出しを防止す
ると共に、前記電熱線１２を発熱させて受口１１の内周
面と合成樹脂管２の端部外周面とを融着接合する。 【効果】 配管施工が簡単に行なえ、また管継手の受口
から合成樹脂管が脱出することなく確実かつ強固に融着
接合する。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、電熱線を内蔵した管継
手に合成樹脂管を確実、かつ強固に融着接合できる接続
装置に関する。
【０００２】
【従来の技術】従来からガス管等の配管分野では、図３
に部分断面図で示した如く、受口１１の内周面に電熱線
１２を埋設した管継手１を用いて合成樹脂管２を融着接
合することが行われている。
【０００３】ところで、管継手１に合成樹脂管２を融着
接合する場合、管継手１の受口１１内に合成樹脂管２の
端部を嵌挿してから電熱線１２を発熱させて受口１１の
内周面と合成樹脂管２の端部外周面とを同時に溶融させ
たときに、該溶融樹脂の圧力が高まって受口１１内から
合成樹脂管２が押し出されて脱出するという問題が起き
る。このため、従来は管継手１の受口１１内に合成樹脂
管２の端部を嵌挿してからそれぞれの合成樹脂管２をク
ランプＣで把持し、受口１１内から合成樹脂管２が脱出
するのを防止しながら電熱線１２を発熱させて融着接合
していた。
【０００４】
【発明が解決しようとする課題】しかしながら、現場で
の配管施工の際に、それぞれの合成樹脂管２をクランプ
Ｃで把持したり、取り外したりする作業が非常に面倒で
あった。また、施工時間の短縮を図るために溶融樹脂が
十分に固化していない間に配管施工業者がクランプＣを
取り外してしまうことがあるため、受口１１内から合成
樹脂管２が押し出されて接続不良が発生するという問題
があった。
【０００５】本発明はかかる課題を解決したものであっ
て、配管施工が簡単に行なえると共に、管継手と合成樹
脂管とを確実かつ強固に融着接合できる接続装置を提供
するものである。
【０００６】
【課題を解決するための手段】本発明は、管継手の一端
部に設けた受口の内周面に電熱線を所定間隔で螺旋状に
埋設し、該受口内に合成樹脂管の端部を嵌挿して受口の
内周面と合成樹脂管の端部外周面に設けた凹凸同士を係
合させて合成樹脂管の抜け出しを防止すると共に、受口
の内周面に埋設した電熱線を発熱させて受口の内周面と
合成樹脂管の端部外周面とを融着接合したことを特徴と
するものである。
【０００７】
【作用】受口内に合成樹脂管の端部を嵌挿し、該受口の
内周面と合成樹脂管の端部外周面に設けた凹凸同士を係
合させて合成樹脂管の抜け出しを防止するので、電熱線
を発熱させたときに受口内から合成樹脂管が押し出され
て脱出することはなく、受口の内周面と合成樹脂管の端
部外周面とが融着接合する。
【０００８】
【実施例】以下、本発明の実施例を図面にて詳細に説明
する。図１は本発明の一実施例を示す接続装置の要部断
面図、図２は本発明の他の実施例を示す接続装置の要部
断面図である。
【０００９】図中１はポリエチレン、ポリプロピレン、
ポリブテン等の合成樹脂からなる管継手、２は管継手１
と同種の樹脂からなる合成樹脂管である。管継手１の一
端部には合成樹脂管２の外径とほぼ等しい内径を有する
受口１１が設けられており、該受口１１の内周面に電熱
線１２が所定間隔で螺旋状に埋設されている。一方、受
口１１の外周面には電源接続端子１３を内蔵したコネク
ター１４が設けられており、該電源接続端子１３に前記
電熱線１２の両端部が接続している。１５は受口１１の
奥部に設けたストッパー段部である。
【００１０】図１に示した接続装置は、管継手１の受口
１１の奥側の内周面に断面三角形の環状凸起３ａを設け
ると共に、該受口１１内に嵌挿される合成樹脂管２の端
部外周面に前記環状凸起３ａと係合する環状凹溝３ｂを
設けたものである。
【００１１】この実施例の場合、管継手１の受口１１内
に合成樹脂管２の端部を嵌挿してその先端部をストッパ
ー段部１５に当接させると、受口１１の内周面に設けた
環状凸起３ａが合成樹脂管２の端部外周面に設けた環状
凹溝３ｂ内に嵌入して合成樹脂管２の抜け出しが防止さ
れる。このとき、合成樹脂管２の先端部にテーパ状の面
取り２１を施すと共に、環状凹溝３ｂより先端側の凸部
に管軸方向の溝２２を設けておくか、または受口１１の
内周面に設けた環状凸起３ａに管軸方向の溝を設けてお
くと、合成樹脂管２の端部を受口１１の奥部まで容易に
嵌挿させることができる。
【００１２】そこで、コネクター１４の電源接続端子１
３に電力線を接続し、電熱線１２に所定時間電流を流
す。すると、電熱線１２が発熱して受口１１の内周面と
合成樹脂管２の端部外周面とが同時に溶融し、両者が強
固に融着接合する。尚、この実施例の場合、受口１１の
開口側の内周面に環状凸起３ａを設けると共に、これと
対応する合成樹脂管２の端部外周面に環状凹溝３ｂを設
けて合成樹脂管２の抜け出しを防止してもよい。
【００１３】図２に示した接続装置は、管継手１の受口
１１の先端部内周面に凸起３ａを設けると共に、合成樹
脂管２の端部外周面に前記凸起３ａが螺合する螺旋状の
凹溝３ｂを設けたものである。
【００１４】この実施例の場合、管継手１の受口１１内
に合成樹脂管２の端部を嵌挿し、管継手１または合成樹
脂管２を回転させながら凸起３ａを螺旋状の凹溝３ｂに
螺合させてその先端部がストッパー段部１５に当接する
まで捩じ込む。そこで、前記実施例と同様に電熱線１２
に通電して発熱させると、受口１１の内周面と合成樹脂
管２の端部外周面とが同時に溶融して強固に融着接合す
る。
【００１５】
【発明の効果】以上詳述した如く、本発明の接続装置は
管継手の受口内に合成樹脂管の端部を嵌挿し、受口の内
周面と合成樹脂管の端部外周面に設けた凹凸同士を係合
させて合成樹脂管の抜け出しを防止するので、電熱線を
発熱させて受口の内周面と合成樹脂管の端部外周面とを
溶融させたときに、受口内から合成樹脂管が押し出され
て脱出することがなく、管継手と合成樹脂管とが確実か
つ強固に融着接合する。また、本発明の接続装置はクラ
ンプによる固定、および取り外し操作が必要でないの
で、従来装置と比較して施工時間を大幅に短縮すること
ができる。
【図面の簡単な説明】
【図１】図１は本発明の一実施例を示す接続装置の要部
断面図である。
【図２】図２は本発明の他の実施例を示す接続装置の要
部断面図である。
【図３】図３は従来例を示す部分断面図である。
【符号の説明】
１ 管継手 ２ 合成樹脂管 １１ 受口 １２ 電熱線 ３ａ 凸起 ３ｂ 凹溝

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 管継手（１）の一端部に設けた受口（１
    １）の内周面に電熱線（１２）を所定間隔で螺旋状に埋
    設し、該受口（１１）内に合成樹脂管（２）の端部を嵌
    挿して受口（１１）の内周面と合成樹脂管（２）の端部
    外周面に設けた凹凸（３ａ，３ｂ）同士を係合させて合
    成樹脂管（２）の抜け出しを防止すると共に、受口（１
    １）の内周面に埋設した電熱線（１２）を発熱させて受
    口（１１）の内周面と合成樹脂管（２）の端部外周面と
    を融着接合したことを特徴とする電熱線を内蔵した管継
    手の接続装置。
JP11497192A 1992-05-07 1992-05-07 電熱線を内蔵した管継手の接続装置 Expired - Fee Related JP3258369B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11497192A JP3258369B2 (ja) 1992-05-07 1992-05-07 電熱線を内蔵した管継手の接続装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11497192A JP3258369B2 (ja) 1992-05-07 1992-05-07 電熱線を内蔵した管継手の接続装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2001288696A Division JP2002188787A (ja) 2001-09-21 2001-09-21 電熱線を内蔵した管継手の接続装置

Publications (2)

Publication Number Publication Date
JPH05306794A true JPH05306794A (ja) 1993-11-19
JP3258369B2 JP3258369B2 (ja) 2002-02-18

Family

ID=14651163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11497192A Expired - Fee Related JP3258369B2 (ja) 1992-05-07 1992-05-07 電熱線を内蔵した管継手の接続装置

Country Status (1)

Country Link
JP (1) JP3258369B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2813349A3 (de) * 2013-06-11 2015-02-25 Stang GmbH Rohrverbindung für thermoplastische Kunststoffrohre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2813349A3 (de) * 2013-06-11 2015-02-25 Stang GmbH Rohrverbindung für thermoplastische Kunststoffrohre

Also Published As

Publication number Publication date
JP3258369B2 (ja) 2002-02-18

Similar Documents

Publication Publication Date Title
US4958857A (en) Welding seal assembly
JPH05306794A (ja) 電熱線を内蔵した管継手の接続装置
JPH05302694A (ja) 電熱線を内蔵した管継手の接続装置
JP2003097784A (ja) 融着継手
JP2002188787A (ja) 電熱線を内蔵した管継手の接続装置
JPH06265082A (ja) 電気融着継手
JP2002039488A (ja) 管接続構造と管継手
JPH0419494A (ja) 電気融着継手
JPH04171392A (ja) 電気融着管継手
JPH04191592A (ja) 溶着継手
JPS6140543B2 (ja)
JPH08334195A (ja) 栓体を内蔵した電気融着継手
JP4527869B2 (ja) 配管材と継手との接続構造
JPH01238794A (ja) 複合管と管継手との接続構造
JPH09242973A (ja) クランプ付融着継手
JPH10169847A (ja) 電気融着継手の固定方法
JPH08145268A (ja) 電気融着用長さ調整継手
JPH08240294A (ja) 電気融着用分岐管継手
JP2566816Y2 (ja) 分岐配管用ヘッダー
JPH10185068A (ja) 電気融着継手の固定方法
JPS624991A (ja) プラスチツク管の接合方法
JP2650083B2 (ja) 流体輸送管と分岐管の接続方法
JP2837730B2 (ja) 熱可塑性樹脂管の融着方法及びヒータ
JP3056966U (ja) 光ケーブル通線さや管用の電気融着継手
JPH09242971A (ja) 電気融着式分岐管継手

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees