JPH05280684A - 電気融着継手 - Google Patents

電気融着継手

Info

Publication number
JPH05280684A
JPH05280684A JP4079988A JP7998892A JPH05280684A JP H05280684 A JPH05280684 A JP H05280684A JP 4079988 A JP4079988 A JP 4079988A JP 7998892 A JP7998892 A JP 7998892A JP H05280684 A JPH05280684 A JP H05280684A
Authority
JP
Japan
Prior art keywords
coil
resin pipe
cord
joint
electric fusion
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
JP4079988A
Other languages
English (en)
Inventor
Akihiko Sato
明彦 佐藤
Shigeru Ando
茂 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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP4079988A priority Critical patent/JPH05280684A/ja
Publication of JPH05280684A publication Critical patent/JPH05280684A/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
    • 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
    • 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
    • B29C65/02—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
    • B29C65/56—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
    • B29C66/11—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
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/50—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
    • B29C66/5223—Joining tubular articles for forming corner connections or elbows, e.g. for making V-shaped pieces
    • B29C66/52231—Joining tubular articles for forming corner connections or elbows, e.g. for making V-shaped pieces with a right angle, e.g. for making L-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
    • 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

Abstract

(57)【要約】 【目的】狭くて作業性の悪い場所であっても、容易に通
電作業を行うことのできる電気融着継手を提供すること
を目的としている。 【構成】樹脂管本体２の内周面に、通電によって発熱す
るコイル３が埋設されてなる電気融着継手１であって、
樹脂管本体２から、コイル３の端部に導通するコード４
が導出され、該コード４の先端にコイル３に通電するた
めの通電用ターミナル５が設けられたものである。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、樹脂管本体の内周面
に、通電によって発熱するコイルが埋設された電気融着
継手に関するものである。
【０００２】
【従来の技術】一般に、樹脂管本体の内周面に、通電に
よって発熱するコイルが埋設されるとともに、このコイ
ルの端部に通電用ターミナルを設けた電気融着継手が知
られている。
【０００３】そして、従来の電気融着継手は、通電用タ
ーミナルを樹脂管本体の外周面に突設するようになされ
ていた。
【０００４】
【発明が解決しようとする課題】しかし、上記従来の電
気融着継手は、通電用ターミナルが、樹脂管本体の外周
面の決められた位置から突出しているので、この電気融
着継手を、狭くて作業性の悪い場所の配管に接続するよ
うな場合、通電用ターミナルを所望の位置に取り出すこ
とができず、通電作業が困難になるといった不都合を生
じる。
【０００５】特に、一端側が螺子部となされ、他端側が
融着部となされた電気融着継手の場合、螺子部を配管に
螺合した状態で、融着部の通電用ターミナルの位置は必
然的に決まってしまうので、通電作業が困難になる。
【０００６】本発明は、係る実情に鑑みてなされたもの
で、狭くて作業性の悪い場所てあっても、容易に通電作
業を行うことのできる電気融着継手を提供することを目
的としている。
【０００７】
【課題を解決するための手段】上記課題を解決するため
の本発明の電気融着継手は、樹脂管本体の内周面に、通
電によって発熱するコイルが埋設されてなる電気融着継
手であって、樹脂管本体から、コイルの端部に導通する
コードが導出され、該コードの先端にコイルに通電する
ための通電用ターミナルが設けられたものである。
【０００８】
【作用】本発明によると、樹脂管本体から、コイルの端
部に導通するコードを導出し、該コードの先端にコイル
に通電するための通電用ターミナルを設けているので、
電気融着継手の挿着状態に関係なく、通電用ターミナル
を所望の位置に取り出すことができる。
【０００９】
【実施例】以下、本発明の一実施例を図面を参照して説
明する。
【００１０】図１は電気融着継手１の全体構成の概略を
示している。
【００１１】すなわち、この電気融着継手１は、樹脂管
本体２の内周面に、通電によって発熱するコイル３が埋
設されており、樹脂管本体２から、コイル３の端部に導
通するコード４が導出され、該コード４の先端にコイル
３に通電するための通電用ターミナル５が設けられたも
のである。
【００１２】樹脂管本体２は、円筒状に形成されてな
り、その両端部から、該樹脂管本体２の内周部全体に渡
って、樹脂管６の端部を嵌合できるようになされた嵌合
部２１が形成されている。また、この樹脂管本体２の外
周面の両端部近傍には、コード４が導出されている。
【００１３】コイル３は、嵌合部２１の内周壁面側に埋
設され、その端部がコード４の導線４１に接続されてい
る。
【００１４】そして、コード４は、導線４１とコイル３
とを接続した状態で、樹脂管本体２から導出され、その
先端部が収束されている。
【００１５】通電用ターミナル５は、収束されたコード
４の先端部に設けられている。そして、この通電用ター
ミナル５から導線４１を介してコイル３に通電できるよ
うになされている。そのため、通電用ターミナル５に
は、収束されたコード４の本数に相当する数のターミナ
ルピン５１が、ピンカバー５０内に内装されている。
【００１６】なお、本実施例では、コード４の先端部を
収束して通電用ターミナル５を設けているが、図２に示
すように、各コード４の先端部毎に通電用ターミナル５
を設けてもよい。また、同図に示すように、樹脂管本体
２の一端部側の外周面に螺子部２２が形成されて各種部
材７に螺合可能となされた電気融着継手１であってもよ
い。ただし、この螺子部２２は、樹脂管本体２の内周面
側に設けられていてもよい。
【００１７】この螺子部２２が形成された電気融着継手
１の場合、各種部材７に螺合した状態で、コード４の導
出位置が必然的に決まってしまうが、該コード４の先端
部に通電用ターミナル５を設けているので、融着作業を
行い易い所望の位置に、通電用ターミナル５を取り回し
て融着作業を行うことができ、特に有効なものとなる。
【００１８】また、電気融着継手１の形状としては、特
に限定されるものではなく、例えば、図３に示すよう
に、エルボ継手１であってもよい。また、同図に示すよ
うに、コード４の先端部をすべて収束させて１個の通電
用ターミナル５に接続したものであってもよいし、各コ
ード４の先端部毎に通電用ターミナル５（図示省略）を
設けてもよい。
【００１９】
【発明の効果】以上述べたように、本発明によると、電
気融着継手の挿着状態に関係なく、通電用ターミナルを
所望の位置に取り出すことができるので、狭くて作業性
の悪い場所であっても、容易に通電作業を行うことがで
きる。
【図面の簡単な説明】
【図１】電気融着継手の全体構成の概略を示す部分破断
側面図および同電気融着継手の通電用ターミナルを示す
部分斜視図である。
【図２】電気融着継手の他の実施例を示す部分破断側面
図および同電気融着継手の通電用ターミナルを示す部分
斜視図である。
【図３】電気融着継手のさらに他の実施例を示す部分破
断側面図および同電気融着継手の通電用ターミナルを示
す部分斜視図である。
【符号の説明】
１ 電気融着継手 ２ 樹脂管本体 ３ コイル ４ コード ５ 通電用ターミナル

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 樹脂管本体の内周面に、通電によって発
    熱するコイルが埋設されてなる電気融着継手であって、 樹脂管本体から、コイルの端部に導通するコードが導出
    され、該コードの先端にコイルに通電するための通電用
    ターミナルが設けられたことを特徴とする電気融着継
    手。
JP4079988A 1992-04-01 1992-04-01 電気融着継手 Pending JPH05280684A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4079988A JPH05280684A (ja) 1992-04-01 1992-04-01 電気融着継手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4079988A JPH05280684A (ja) 1992-04-01 1992-04-01 電気融着継手

Publications (1)

Publication Number Publication Date
JPH05280684A true JPH05280684A (ja) 1993-10-26

Family

ID=13705695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4079988A Pending JPH05280684A (ja) 1992-04-01 1992-04-01 電気融着継手

Country Status (1)

Country Link
JP (1) JPH05280684A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001020219A1 (en) * 1999-09-14 2001-03-22 Petrotechnik Limited Improved welding socket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001020219A1 (en) * 1999-09-14 2001-03-22 Petrotechnik Limited Improved welding socket
US7614661B1 (en) 1999-09-14 2009-11-10 Petro Technik Limited Welding socket

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