JPH10318456A - やりとり継手 - Google Patents

やりとり継手

Info

Publication number
JPH10318456A
JPH10318456A JP9124591A JP12459197A JPH10318456A JP H10318456 A JPH10318456 A JP H10318456A JP 9124591 A JP9124591 A JP 9124591A JP 12459197 A JP12459197 A JP 12459197A JP H10318456 A JPH10318456 A JP H10318456A
Authority
JP
Japan
Prior art keywords
joint
peripheral surface
seal ring
internal thread
exchange
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
JP9124591A
Other languages
English (en)
Inventor
Sumio Matsuno
純雄 松野
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 JP9124591A priority Critical patent/JPH10318456A/ja
Publication of JPH10318456A publication Critical patent/JPH10318456A/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"
    • B29C65/3404—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"
    • B29C65/3404—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
    • B29C65/3432—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 comprising several wires, e.g. in the form of several independent 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
    • 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
    • B29C65/561—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using screw-threads being integral at least to one 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • 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
    • B29C66/52296—Joining tubular articles involving the use of a socket said socket comprising sealing elements, e.g. gaskets
    • 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
    • B29C66/52298—Joining tubular articles involving the use of a socket said socket being composed by several elements
    • 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
    • B29C66/55—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 sealing elements being incorporated into the joints, e.g. gaskets
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Joints With Sleeves (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

(57)【要約】 【課題】 現場での接続作業が簡単かつ確実に行なえや
りとり継手を提供する。 【解決手段】 継手本体１の両端に互いに逆向きの雌ね
じ１ａ，１ｂを設けると共に、各雌ねじ１ａ，１ｂより
開口端側の内周面にシールリング２を装着する。そし
て、前記各雌ねじ１ａ，１ｂに継手部材３ａ，３ｂの一
端に設けた雄ねじ３１ａ，３１ｂを螺合すると共に、そ
れぞれの雄ねじ３１ａ，３１ｂの後方継手部の外周面に
前記シールリング２を水密的に圧接させる。また、継手
部材３ａ，３ｂの他端に被接続管Ｐ1 ，Ｐ2 の端部が嵌
挿される受口３２ａ，３２ｂを設けて各受口３２ａ，３
２ｂの内周面に電熱線４を埋設する。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、配管の施工現場で
合成樹脂管同志を簡単かつ確実に接続できるやりとり継
手に関する。
【０００２】
【従来の技術】従来からポリエチレン等の合成樹脂管を
接続する場合、図３に示した様な電気融着継手が使用さ
れている。この電気融着継手はポリエチレン等からなる
継手本体５の両端に電熱線６を埋設した受口を設けたも
のであって、現場での配管施工の際にはそれぞれの受口
に被接続管Ｐ1 ，Ｐ2 の端部を挿入してから電熱線６を
発熱させて融着接合していた。
【０００３】
【発明が解決しようとする課題】ところが、この従来継
手は寸法調整が行なえる機能を有していないため、両端
から順次接続してきた配管の端部同志を接続する場合に
は、やりとり接続が行えないという問題があった。即
ち、図３に示した如く、両端から順次接続してきた被接
続管Ｐ1 ，Ｐ2 の端部の間隔が一定している場合には、
管端部同志を突き合わせ接続することができなかった。
【０００４】本発明はかかる課題を解決したものであっ
て、現場での配管施工の際に寸法調整が行なえ、配管同
志のやりとり接続が簡単かつ確実に行なえる継手を提供
するものである。
【０００５】
【課題を解決するための手段】本発明のやりとり継手
は、継手本体の両端に互いに逆向きの雌ねじを設けると
共に、各雌ねじより開口端側の内周面にシールリングを
装着し、前記各雌ねじに継手部材の一端に設けた雄ねじ
を螺合させると共に、それぞれの雄ねじの後方継手部の
外周面に前記シールリングを水密的に圧接させ、また継
手部材の他端に被接続管の端部が嵌挿される受口を設け
て各受口の内周面に電熱線を螺旋状に埋設したことを特
徴とする。
【０００６】
【発明の実施の形態】以下、本発明の実施の形態を図面
にて詳細に説明する。図１は本発明のやりとり継手を用
いて被接続管同志を突き合わせ接続する前の状態を示す
断面図、図２は被接続管同志を突き合わせ接続したあと
の状態を示す断面図であって、図中の符号Ａはやりとり
継手、Ｐ1 ，Ｐ2 は被接続管である。
【０００７】本発明のやりとり継手Ａは、継手本体１と
一対の継手部材３ａ，３ｂからなるものであって、円筒
状をなす継手本体１の内周中央部にはストッパー段部１
１が設けられており、該ストッパー段部１１の両側内周
には互いに逆向きの雌ねじ１ａ、１ｂが設けられてい
る。そして、各雌ねじ１ａ、１ｂより開口端側の内周面
に環状溝１２が設けられており、それぞれの環状溝１２
にシールリング２が装着されている。
【０００８】一方、継手部材３ａ，３ｂは被接続管Ｐ1
，Ｐ2 と同種の合成樹脂、例えばポリエチレン、ポリ
ブテン等の合成樹脂で形成されており、各継手部材３
ａ，３ｂの一端に設けた雄ねじ３１ａ，３１ｂが前記継
手本体１の雌ねじ１ａ，１ｂと螺合している。即ち、継
手本体１の両端部には逆方向の雌ねじ１ａ，１ｂが設け
られているため、継手本体１を回転させるだけで双方の
継手部材３ａ，３ｂの突出量を調整できるようになって
いる。そして、前記雄ねじ３１ａ，３１ｂの後方継手部
の外周面にシールリング２，２が圧接して水密的が確保
されるようになっている。
【０００９】また、継手部材３ａ，３ｂの他端には被接
続管Ｐ1 ，Ｐ2 の端部が挿入される受口３２ａ，３２ｂ
が設けられており、各受口３２ａ，３２ｂの内周面に電
熱線４が螺旋状に埋設されている。電熱線４の両端部は
受口３２ａ，３２ｂの外周面から突出した端子ピン４１
と接続しており、電源と接続したプラグ（図示せず）を
接続することによって、電熱線４に通電できるようにな
っている。
【００１０】なお、前記継手本体１の雌ねじ１ａ，１ｂ
の長さＬ1 は各継手部材３ａ，３ｂの雄ねじ３１ａ，３
１ｂの長さＬ2 の２倍よりも若干大きく、各継手部材３
ａ，３ｂの雄ねじ３１ａ，３１ｂの長さＬ2 は受口３２
ａ，３２ｂの長さＬ3 とほぼ等しくなるように設定され
ている。
【００１１】本発明のやりとり継手Ａは前述した構成か
らなるものであって、次にこのやりとり継手Ａを用いた
配管の接続手順を説明する。まず、図１に示した如く、
継手本体１の雌ねじ１ａ，１ｂに各継手部材３ａ，３ｂ
の雄ねじ３１ａ，３１ｂを螺合し、最奥部まで螺挿して
おく。そこで、このやりとり継手Ａを被接続管Ｐ1 ，Ｐ
2 の端部間にセットし、それぞれの管端部を継手部材３
ａ，３ｂの受口３２ａ，３２ｂに嵌挿する。このとき、
継手本体１を回転させて各継手部材３ａ，３ｂを突出さ
せ、図２に示した如く受口３２ａ，３２ｂの奥部まで被
接続管Ｐ1 ，Ｐ2 の端部を嵌挿する。
【００１２】そこで、継手部材３ａ，３ｂの受口３２
ａ，３２ｂに埋設された電熱線４に通電して発熱させ
る。すると、受口３２ａ，３２ｂの内周面と被接続管Ｐ
1 ，Ｐ2の端部外周面とが同時に溶融して融着接合す
る。
【００１３】
【発明の効果】以上詳述した如く、本発明のやりとり継
手は、継手本体の両端に互いに逆向きの雌ねじを設ける
と共に、それぞれの雌ねじに継手部材の一端に設けた雄
ねじを螺合したので、継手部材を回転させなくても継手
本体を回転させるだけで、長さ調整が行える。また、各
継手部材の他端には被接続管の端部が嵌挿される受口を
設け、それぞれの受口内周面に電熱線を螺旋状に埋設し
たので、電熱線に通電して発熱させるだで被接続管との
融着接合が行える。従って、本発明のやりとり継手を用
いると、現場での接続作業が簡単かつ確実に行なえる。
【図面の簡単な説明】
【図１】図１は本発明のやりとり継手を用いて被接続管
同志を突き合わせ接続する前の状態を示す断面図であ
る。
【図２】図２は被接続管同志を突き合わせ接続したあと
の状態を示す断面図である。
【図３】図３は従来継手による接続状態を示す断面図で
ある。
【符号の説明】
１ 継手本体 ２ シールリング ３ａ，３ｂ 継手部材 Ａ やりとり継手 Ｐ1 ，Ｐ2 被接続管

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 継手本体（１）の両端に互いに逆向きの
    雌ねじ（１ａ），（１ｂ）を設けると共に、各雌ねじ
    （１ａ），（１ｂ）より開口端側の内周面にシールリン
    グ（２）を装着し、前記各雌ねじ（１ａ）、（１ｂ）に
    継手部材（３ａ），（３ｂ）の一端に設けた雄ねじ（３
    １ａ），（３１ｂ）を螺合すると共に、それぞれの雄ね
    じ（３１ａ），（３１ｂ）の後方継手部の外周面に前記
    シールリング（２）を水密的に圧接させ、また継手部材
    （３ａ），（３ｂ）の他端に被接続管（Ｐ1 ），（Ｐ2
    ）の端部が嵌挿される受口（３２ａ），（３２ｂ）を
    設けて各受口（３２ａ），（３２ｂ）の内周面に電熱線
    （４）を螺旋状に埋設したことを特徴とするやりとり継
    手。
JP9124591A 1997-05-15 1997-05-15 やりとり継手 Pending JPH10318456A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9124591A JPH10318456A (ja) 1997-05-15 1997-05-15 やりとり継手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9124591A JPH10318456A (ja) 1997-05-15 1997-05-15 やりとり継手

Publications (1)

Publication Number Publication Date
JPH10318456A true JPH10318456A (ja) 1998-12-04

Family

ID=14889253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9124591A Pending JPH10318456A (ja) 1997-05-15 1997-05-15 やりとり継手

Country Status (1)

Country Link
JP (1) JPH10318456A (ja)

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JP2004131152A (ja) * 2002-10-11 2004-04-30 Yoshiyuki Kaino ペットボトル胴部への装着用広口栓
KR200460236Y1 (ko) * 2009-12-29 2012-05-11 구성회 가스배관 연결장치
KR101386752B1 (ko) * 2012-11-14 2014-04-29 심영조 가스이송용 주름신축관
WO2016053949A1 (en) * 2014-09-30 2016-04-07 Flexsteel Pipeline Technologies, Inc. Connector for pipes
CN108506612A (zh) * 2018-04-19 2018-09-07 王志强 一种钢丝网骨架管端头连接装置
US10150402B2 (en) 2016-04-08 2018-12-11 Trinity Bay Equipment Holdings, LLC Pipe deployment trailer
CN109000069A (zh) * 2018-08-28 2018-12-14 浙江伟星新型建材股份有限公司 一种组合式电熔管件
JP2019158004A (ja) * 2018-03-13 2019-09-19 株式会社栗本鐵工所 耐震管継手のライナ構造
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Publication number Priority date Publication date Assignee Title
JP2004131152A (ja) * 2002-10-11 2004-04-30 Yoshiyuki Kaino ペットボトル胴部への装着用広口栓
KR200460236Y1 (ko) * 2009-12-29 2012-05-11 구성회 가스배관 연결장치
KR101386752B1 (ko) * 2012-11-14 2014-04-29 심영조 가스이송용 주름신축관
CN107002917B (zh) * 2014-09-30 2019-08-13 柔性钢管道技术公司 管连接器
WO2016053949A1 (en) * 2014-09-30 2016-04-07 Flexsteel Pipeline Technologies, Inc. Connector for pipes
CN107002917A (zh) * 2014-09-30 2017-08-01 柔性钢管道技术公司 管连接器
US11231134B2 (en) 2014-09-30 2022-01-25 Trinity Bay Equipment Holdings, LLC Connector for pipes
US10962154B2 (en) 2014-09-30 2021-03-30 Trinity Bay Equipment Holdings, LLC Connector for pipes
EA035263B1 (ru) * 2014-09-30 2020-05-21 Флексстил Пайплайн Текнолоджиз, Инк. Соединитель для труб
US10207625B2 (en) 2016-04-08 2019-02-19 Trinity Bay Equipment Holdings, LLC Pipe deployment trailer
US10266093B2 (en) 2016-04-08 2019-04-23 Trinity Bay Equipment Holdings, LLC Pipe deployment trailer
US10207624B2 (en) 2016-04-08 2019-02-19 Trinity Bay Equipment Holdings, LLC Pipe deployment trailer
US10654395B1 (en) 2016-04-08 2020-05-19 Trinity Bay Equipment Holdings, LLC Pipe deployment trailer
US10150402B2 (en) 2016-04-08 2018-12-11 Trinity Bay Equipment Holdings, LLC Pipe deployment trailer
JP2019158004A (ja) * 2018-03-13 2019-09-19 株式会社栗本鐵工所 耐震管継手のライナ構造
CN108506612A (zh) * 2018-04-19 2018-09-07 王志强 一种钢丝网骨架管端头连接装置
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