JPH0724719Y2 - 電気融着式合成樹脂製分岐管継手 - Google Patents

電気融着式合成樹脂製分岐管継手

Info

Publication number
JPH0724719Y2
JPH0724719Y2 JP1989086399U JP8639989U JPH0724719Y2 JP H0724719 Y2 JPH0724719 Y2 JP H0724719Y2 JP 1989086399 U JP1989086399 U JP 1989086399U JP 8639989 U JP8639989 U JP 8639989U JP H0724719 Y2 JPH0724719 Y2 JP H0724719Y2
Authority
JP
Japan
Prior art keywords
synthetic resin
branch pipe
pipe joint
branch
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP1989086399U
Other languages
English (en)
Other versions
JPH0325096U (ja
Inventor
博司 竹内
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 JP1989086399U priority Critical patent/JPH0724719Y2/ja
Publication of JPH0325096U publication Critical patent/JPH0325096U/ja
Application granted granted Critical
Publication of JPH0724719Y2 publication Critical patent/JPH0724719Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C66/50—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
    • B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
    • B29C66/52241—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
    • 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
    • B29C65/02—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
    • 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
    • B29C66/01—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
    • B29C66/1226—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 one bevelled 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、電気融着式合成樹脂製分岐管継手に関し、詳
しくは、ガス等を送流する合成樹脂管、特に中密度ポリ
エチレン管に分岐部を形成したり、その欠陥部を補修す
る際に使用する合成樹脂製の分岐管継手に関する。
〔従来の技術〕
従来から、合成樹脂管の途中に欠陥部を生じた場合や、
分岐管を取出す場合には、まず該部分の両側の所定位置
で管を挟持して送流を止め、欠陥部や分岐部形成に必要
な部分を切取り、次いで、該切取り部に新しい短管や所
定の継手を挿入し、その一端をバット融着するとともに
他端をメカニカル継手で接続することが行われている。
〔考案が解決しようとする課題〕
従って、欠陥部を補修したり、分岐管を取出す際には、
合成樹脂管の前後２か所を切断して切取り、新しい短管
等を挿入した後にその両端の２か所を接続する必要があ
り、工数が多く手間がかかっていた。
そこで本考案は、合成樹脂管を切取ることなく欠陥部の
補修や、分岐管の取出しを容易に行うことができる分岐
管継手を提供することを目的としている。
〔課題を解決するための手段〕
上記した目的を達成するために、本考案の合成樹脂製分
岐管継手は、合成樹脂管の管壁に穿設された貫通孔に嵌
合する筒部と分岐部とからなる管状の継手本体部と、該
継手本体部の外周に突出して前記貫通孔の口縁部外面に
当接する係止段部とからなり、前記分岐部の内周面に熱
線を埋設するとともに、その奥側に被接続部材の端部が
当接する接続段部を形成し、また前記貫通孔の口縁部外
面と当接する係止段部の下面と、前記筒部の外周面とに
熱線を埋設したことを特徴としている。
〔作用〕
上記のごとく形成した分岐管継手の筒部を合成樹脂管の
貫通孔に嵌合し、また分岐部に被接続部材を挿入して熱
線に通電すると、分岐管継手と合成樹脂管とが融着接合
し、分岐管継手と被接続部材とが融着接合する。
〔実施例〕
以下、本考案の一実施例を図面に基づいて説明する。
第１図は本考案の分岐管継手を欠陥部の補修に適用した
一実施例を示す断面図、第２図は同じく分岐管の取出し
に適用した一実施例を示す断面図である。
第１図及び第２図に示すように、本考案の分岐管継手１
は、筒部21と分岐部22とからなる管状の継手本体部２
と、該本体部２の外周全周に突設した係止段部３とから
なっている。継手本体部２の分岐部22の内周面には、熱
線４が埋設されており、その奥側には被接続部材の端面
が当接する接続段部５が形成され、該接続段部５にも熱
線４が埋設されている。この分岐管継手１は、該分岐管
継手１が取付けられる合成樹脂管６と熱融着が可能なポ
リエチレン樹脂等の合成樹脂により形成されている。
一方、上記係止段部３の下面は、合成樹脂管６の外周面
と同一の円弧面に形成されており、該円弧面に熱線４が
埋設されている。また筒部21の外周面にも熱線４が埋設
されている。この分岐管継手１の分岐部22には、閉塞用
の蓋部材７（第１図）あるいは分岐管８（第２図）等の
被接続部材が挿入接続されるものであり、蓋部材７ある
いは分岐管８の端部が前記接続段部５に当接密着するよ
うに形成されている。
分岐管継手１の内部に埋設される熱線４は、該熱線４に
通電することにより発熱し、分岐管継手１と合成樹脂管
６及び蓋部材７あるいは継手８とを溶融させるニクロム
線等の金属線であって、該熱線４の両端部は、通電用端
子として分岐管継手１の外部に引出されている（図示せ
ず）。この熱線４を分岐管継手１に埋設する手段は、例
えば特開昭63-254296号公報に記載されている印刷法
等、適宜な手段により行うことができる。
上記分岐管継手１を合成樹脂管６に取付ける際には、ま
ず合成樹脂管６の管壁に前記筒部21の外径と略同径の貫
通孔6aを形成する。そして、この貫通孔6aに筒部21を嵌
合して係止段部３の下面を貫通孔6aの口縁部外面に当接
密着させるとともに、該分岐部22に蓋部材７あるいは継
手８を挿入し、その端部を前記接続段部５に密着させ
る。次いで前記熱線４に通電し、各部品を熱融着して固
定する。
このように、本考案の分岐管継手１は、合成樹脂管６に
所定形状の貫通孔6aを形成するだけで容易に取付けるこ
とができ、合成樹脂管６の切断や接続等を行う必要がな
く、合成樹脂管６の補修作業や分岐管の取出し作業の能
率を向上させることができる。従って、合成樹脂管６の
欠陥部を補修する場合には、該欠陥部の両側を挟着して
閉塞し、次いで欠陥部に所定形状の貫通孔を形成し、上
記のごとく分岐管継手１と蓋部材７とを取付けて熱融着
させるだけで欠陥部の補修閉塞を行うことができる。
〔考案の効果〕
以上説明したように、本考案の分岐管継手は、管状の継
手本体部に、外周の係止段部と内周の接続段部とを形成
し、内部に熱線を埋設したから、分岐管継手の継手本体
部を嵌合できる貫通孔を合成樹脂管に形成するだけで分
岐管継手の取付けを行うことができ、合成樹脂管の切断
や接続等を行う必要がなくなり、欠陥部の補修や分岐管
の取出しを容易に行うことができる。
また、本考案の分岐管継手は、前記係止段部の下面と貫
通孔の口縁部外面とが融着接合し、該貫通孔の孔壁面と
筒部の外周面とが融着接合するので、合成樹脂管の外周
面から剥離することなく、強固に接合する。
【図面の簡単な説明】
第１図は本考案の分岐管継手を欠陥部の補修に適用した
一実施例を示す断面図、第２図は同じく分岐管の取出し
に適用した一実施例を示す断面図である。 １……分岐管継手、２……継手本体部、21……筒部、22
……分岐部、３……係止段部、４……熱線、５……接続
段部、６……合成樹脂管、6a……貫通孔、７……蓋部
材、８……分岐管

Claims (1)

    【実用新案登録請求の範囲】
  1. 【請求項１】合成樹脂管の管壁に穿設された貫通孔に嵌
    合する筒部と分岐部とからなる管状の継手本体部と、該
    継手本体部の外周に突出して前記貫通孔の口縁部外面に
    当接する係止段部とからなり、前記分岐部の内周面に熱
    線を埋設するとともに、その奥側に被接続部材の端部が
    当接する接続段部を形成し、また前記貫通孔の口縁部外
    面と当接する係止段部の下面と、前記筒部の外周面とに
    熱線を埋設したことを特徴とする電気融着式合成樹脂製
    分岐管継手。
JP1989086399U 1989-07-21 1989-07-21 電気融着式合成樹脂製分岐管継手 Expired - Lifetime JPH0724719Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989086399U JPH0724719Y2 (ja) 1989-07-21 1989-07-21 電気融着式合成樹脂製分岐管継手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989086399U JPH0724719Y2 (ja) 1989-07-21 1989-07-21 電気融着式合成樹脂製分岐管継手

Publications (2)

Publication Number Publication Date
JPH0325096U JPH0325096U (ja) 1991-03-14
JPH0724719Y2 true JPH0724719Y2 (ja) 1995-06-05

Family

ID=31635934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989086399U Expired - Lifetime JPH0724719Y2 (ja) 1989-07-21 1989-07-21 電気融着式合成樹脂製分岐管継手

Country Status (1)

Country Link
JP (1) JPH0724719Y2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05318596A (ja) * 1992-05-27 1993-12-03 Sekisui Chem Co Ltd 熱可塑性樹脂管と電気融着継手の接合方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545218A (en) * 1977-06-14 1979-01-16 Mitsubishi Plastics Ind Ltd Branch saddle joint made of synthetic resin
JPS5857387U (ja) * 1981-10-16 1983-04-18 株式会社　リケン 分岐サドル
JPS61294291A (ja) * 1986-03-12 1986-12-25 矢野技研株式会社 流体輸送管への分岐管接合方法
JPS6339512U (ja) * 1986-08-29 1988-03-14

Also Published As

Publication number Publication date
JPH0325096U (ja) 1991-03-14

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