JPH08233187A - 電気融着用分岐管継手 - Google Patents

電気融着用分岐管継手

Info

Publication number
JPH08233187A
JPH08233187A JP7036999A JP3699995A JPH08233187A JP H08233187 A JPH08233187 A JP H08233187A JP 7036999 A JP7036999 A JP 7036999A JP 3699995 A JP3699995 A JP 3699995A JP H08233187 A JPH08233187 A JP H08233187A
Authority
JP
Japan
Prior art keywords
joint
branch pipe
saddle
branch
pipe
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
JP7036999A
Other languages
English (en)
Inventor
Sumio Matsuno
純雄 松野
Ryuichiro Nakamura
隆一郎 中村
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 Chemical Corp
Original Assignee
Mitsubishi Plastics Industries 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 Mitsubishi Plastics Industries Ltd filed Critical Mitsubishi Plastics Industries Ltd
Priority to JP7036999A priority Critical patent/JPH08233187A/ja
Publication of JPH08233187A publication Critical patent/JPH08233187A/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
    • B29C65/56—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
    • 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
    • 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
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap 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
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • 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
    • B29C66/52—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
    • 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
    • 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】 本管の配管ラインに対して分岐管の接続方向
を適宜調整できる電気融着用分岐管継手を提供する。 【構成】 サドル１１の上面に筒体１２を突設したサド
ル継手１と、継手本体２１の途中に枝管２２を突設した
分岐継手２とからなり、前記継手本体２１の下端部にサ
ドル継手１の筒体１２が回動可能に嵌挿される受口２１
１を設け、該受口２１１の内周面に電熱線２ａを埋設す
る。 【効果】 分岐管の接続方向を適宜調整でき、現場での
施工作業が簡単かつ確実に行なえる

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、ガス管や給水管等の合
成樹脂製本管から分岐管を取り出す際に使用する電気融
着用分岐管継手に関する。
【０００２】
【従来の技術】ガス管や給水管等の合成樹脂製本管から
分岐管を取り出す場合、継手本体の下端部にサドルを設
けると共に、継手本体の途中に枝管を突設した分岐管継
手が使用されており、現場での配管施工の際には継手本
体のサドルを本管の外周面に接続すると共に、枝管に分
岐管を接続していた。
【０００３】
【発明が解決しようとする課題】しかしながら、この従
来継手は本管に接続するサドルと、分岐管に接続する枝
管とが継手本体と一体的に結合した構成となっているた
め、本管の配管ラインに対して分岐管の接続方向を調整
できないという問題があった。
【０００４】本発明はかかる課題を解決したものであっ
て、本管の配管ラインに対して分岐管の接続方向を適宜
調整できる電気融着用分岐管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】本発明は、サドルの上面
に筒体を突設したサドル継手と、継手本体の途中に枝管
を突設した分岐継手とからなり、前記継手本体の下端部
にサドル継手の筒体が回動可能に嵌挿される受口を設け
ると共に、該受口の内周面に所定間隔をって電熱線を埋
設したことを特徴とする。
【０００６】
【作用】サドル継手と分岐継手とを別体構造にして回動
可能に嵌挿したので、本管から分岐管を取り出すとき、
本管の配管ラインに対して分岐管の接続方向を適宜調整
できる。また、サドル継手の筒体が嵌挿される継手本体
の受口内周面に電熱線を埋設したので、該電熱線に通電
して発熱させるだけで両者を強固に融着接合できる。
【０００７】
【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電気融着用分岐管
継手の断面図である。図中１はサドル継手、２は分岐継
手、３はキャップ、Ｐ1 は本管、Ｐ2 は分岐管であっ
て、これらの部材はポリエチレン、ポリプロピレン、ポ
リブテン等の合成樹脂で形成されている。
【０００８】サドル継手１はサドル１１の上面に筒体１
２を突設したものであって、サドル１１の下面は本管Ｐ
1 の外周面とほぼ等しい曲率で湾曲しており、該湾曲面
に電熱線１ａが所定間隔で埋設さている。
【０００９】一方、分岐継手２は円筒状の継手本体２１
の途中に枝管２２を突設したものであって、継手本体２
１の下端部には前記サドル継手１の筒体１２が回動可能
に嵌挿される受口２１１が設けられている。受口２１１
の内周面には所定間隔をって電熱線２ａが埋設さてお
り、該電熱線２ａの両端部は継手本体２１の外周に突設
した端子ピンと接続している。電熱線２ａの近傍位置に
はインジケータ２１０が設けられており、該インジケー
タ２１０の突出度合から受口２１１の溶融状態を目視で
きるようになっている。
【００１０】前記継手本体２１の上端部には雄ねじ２１
２が設けられており、該雄ねじ２１２にキャップ３の雌
ねじが螺合している。また、継手本体２１の上端部外周
に設けた環状溝２１３にシールパッキン４が装着されて
おり、該パッキン４がキャップ３の内周面と密接して継
手本体２１の上端部を閉塞している。
【００１１】次に、この電気融着用分岐管継手を用いて
本管Ｐ1 から分岐管Ｐ2 を取り出す作業手順を説明す
る。まず、サドル継手１のサドル１１を本管Ｐ1 の外周
面に押し付け、電熱線１ａに通電して本管Ｐ1 の所定位
置にサドル継手１を融着接合する。尚、サドル継手１と
連通する本管Ｐ1 の貫通孔は、本管Ｐ1 にサドル継手１
を融着接合する前に予め穿設しておいてもよく、本管Ｐ
1 にサドル継手１を融着接合してから穿設してもよい。
【００１２】次に、前記サドル継手１の筒体１２に分岐
継手２の受口２１１を嵌挿し、枝管２２の接続方向を適
宜調整しつつ分岐管Ｐ2 の端部を枝管２２に接続する。
そこで、前記受口２１１の内周面に埋設されている電熱
線２ａに通電して発熱させ、筒体１２の外周面と受口２
１１の内周面を同時に溶融させて融着接合する。最後
に、分岐継手２の上端部にキャップ３を螺合して配管施
工が完了する。
【００１３】
【発明の効果】以上詳述した如く、本発明の電気融着用
分岐管継手は、サドル継手と分岐継手とを別体構造にし
て回動可能に嵌挿したので、本管から分岐管を取り出す
とき、分岐管の接続方向を適宜調整することができる。
また、サドル継手の筒体が嵌挿される継手本体の受口内
周面に電熱線を埋設したので、該電熱線に通電して発熱
させるだけで両者を強固に融着接合することができ、現
場での施工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は本発明の一実施例を示す電気融着用分岐
管継手の断面図である。
【符号の説明】
１ サドル継手 １１ サドル １ａ 電熱線 １２ 筒体 ２ 分岐継手 ２１ 継手本体 ２１１ 受口 ２ａ 電熱線 ２２ 枝管 ３ キャップ Ｐ1 本管 Ｐ2 分岐管

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 サドル（１１）の上面に筒体（１２）を
    突設したサドル継手（１）と、継手本体（２１）の途中
    に枝管（２２）を突設した分岐継手（２）とからなり、
    前記継手本体（２１）の下端部にサドル継手（１）の筒
    体（１２）が回動可能に嵌挿される受口（２１１）を設
    けると共に、該受口（２１１）の内周面に所定間隔をっ
    て電熱線（２ａ）を埋設したことを特徴とする電気融着
    用分岐管継手。
JP7036999A 1995-02-24 1995-02-24 電気融着用分岐管継手 Pending JPH08233187A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7036999A JPH08233187A (ja) 1995-02-24 1995-02-24 電気融着用分岐管継手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7036999A JPH08233187A (ja) 1995-02-24 1995-02-24 電気融着用分岐管継手

Publications (1)

Publication Number Publication Date
JPH08233187A true JPH08233187A (ja) 1996-09-10

Family

ID=12485436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7036999A Pending JPH08233187A (ja) 1995-02-24 1995-02-24 電気融着用分岐管継手

Country Status (1)

Country Link
JP (1) JPH08233187A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009138794A (ja) * 2007-12-04 2009-06-25 Mitsui Chemicals Inc 分岐継手

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009138794A (ja) * 2007-12-04 2009-06-25 Mitsui Chemicals Inc 分岐継手

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