JPH06278212A - 誘導融着用ワークコイル - Google Patents

誘導融着用ワークコイル

Info

Publication number
JPH06278212A
JPH06278212A JP5069713A JP6971393A JPH06278212A JP H06278212 A JPH06278212 A JP H06278212A JP 5069713 A JP5069713 A JP 5069713A JP 6971393 A JP6971393 A JP 6971393A JP H06278212 A JPH06278212 A JP H06278212A
Authority
JP
Japan
Prior art keywords
work coil
engaging
engaging part
parts
engaged
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.)
Withdrawn
Application number
JP5069713A
Other languages
English (en)
Inventor
Hideki Bai
秀樹 倍
Taku Tago
卓 多胡
Shigeyoshi Nagamatsu
茂儀 永松
Kozo Nishikawa
幸三 西川
Masayuki Kanda
雅之 神田
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP5069713A priority Critical patent/JPH06278212A/ja
Publication of JPH06278212A publication Critical patent/JPH06278212A/ja
Withdrawn legal-status Critical Current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"
    • B29C65/36—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" heated by induction
    • B29C65/3668—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" heated by induction characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special induction coils
    • 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"
    • B29C65/36—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" heated by induction
    • B29C65/3604—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" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/362—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" heated by induction characterised by the type of elements heated by induction 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
    • 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
    • B29C66/5221—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
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • 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"
    • B29C65/36—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" heated by induction
    • B29C65/3672—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" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—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" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic

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】 【構成】 第１部分１２および第２部分１４を開いた状
態でワークコイル１０を継手の周囲に配置し、第１部分
１２および第２部分１４を閉じて、ロック機構２８をロ
ックする。融着終了後には、ロック状態を解除して第１
部分１２および第２部分１４を開き、継手からワークコ
イル１０を離脱する。 【効果】 ワークコイル１０を簡単に着脱できるので、
施工性を向上できる。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明は誘導融着用ワークコイ
ルに関し、特にたとえば高周波誘導加熱によるプラスチ
ックパイプ等の融着に用いられる、誘導融着用ワークコ
イルに関する。
【０００２】
【従来の技術】高周波誘導加熱を利用してプラスチック
パイプを融着接合するための誘導融着用ワークコイルの
一例が国際公開ＷＯ９２／１５１８２号に開示されてい
る。このワークコイルは、２つの半割状物で継手を挟む
ようにしたものである。
【０００３】
【発明が解決しようとする課題】従来のワークコイルで
は、装置全体が大型であり、また、２つの半割状物を閉
状態でロックする機構がないため、継手への着脱性が悪
いという問題点があった。それゆえに、この発明の主た
る目的は、着脱性を向上できる、誘導融着用ワークコイ
ルを提供することである。
【０００４】
【課題を解決するための手段】この発明は、各々が高周
波エネルギを生ぜしめるための導電体を有する半割リン
グ状の第１部分および第２部分、第１部分と第２部分と
を開閉可能に連結する連結部、第１部分に設けられる係
止部、および第２部分に設けられ、閉状態のとき係止部
と係合する係合部を備える、誘導融着用ワークコイルで
ある。
【０００５】
【作用】第１部分および第２部分を開いて誘導融着用ワ
ークコイル（以下、単に「ワークコイル」という）を継
手の周囲に配置し、第２部分に設けられた係合部を第１
部分に設けられた係止部に係合する。その状態で、導電
体に通電し、継手に設けられた磁性合金ヒータに高周波
電流を付与する。融着が完了すると、係止部と係合部と
の係合状態を解除し、第１部分と第２部分とを開いてワ
ークコイルを継手から離脱する。
【０００６】
【発明の効果】この発明によれば、ワークコイルを簡単
に着脱できる。この発明の上述の目的，その他の目的，
特徴および利点は、図面を参照して行う以下の実施例の
詳細な説明から一層明らかとなろう。
【０００７】
【実施例】図１および図２を参照して、この実施例のワ
ークコイル１０は、略半割リング状の第１部分１２およ
び第２部分１４を含む。第１部分１２は、たとえばポリ
カーボネイト等の耐熱性合成樹脂からなるコア１６ａを
含み、コア１６ａの外表面上には、導電体１８ａおよび
フェライト層２０ａがこの順で形成される。そして、コ
ア１６ａ，導電体１８ａおよびフェライト層２０ａを覆
うようにして、アルミニウム等からなるケーシング２２
ａが形成される。第２部分１４も第１部分１２と同様
に、コア１６ｂ，導電体１８ｂ，フェライト層２０ｂお
よびケーシング２２ｂを含み、第１部分１２のケーシン
グ２２ａと第２部分１４のケーシング２２ｂとが各々の
上端部において、蝶番２４を介して連結される。
【０００８】そして、ケーシング２２ａおよびケーシン
グ２２ｂの上部には、略コ字状の把手２６ａおよび２６
ｂが設けられ、下端部には、ロック機構２８が設けられ
る。ロック機構２８は、図３からよくわかるように、ケ
ーシング２２ｂに設けられる係止部３０およびケーシン
グ２２ａに設けられる係合部３２を含む。係合部３２
は、支点３４において支持され、通常は、ばね３６によ
って矢印Ａ方向すなわち係合方向に付勢されている。把
手２６ａには、図４に示すように、上下方向（矢印Ｂ方
向）へ摺動し得るレバー３８が設けられ、レバー３８と
係合部３２とがガイドローラ４０によって案内されるワ
イヤ４２を介して連結される。したがって、レバー３８
を引き上げると、ワイヤ４２が矢印Ｃ方向（図３）へ引
っ張られ、それによって、係合部３２が矢印Ｄ方向へ回
動され、係止部３０と係合部３２との係合状態（ロック
状態）が解除される。
【０００９】融着接合時には、図５に示すように、電気
融着用継手４４の受口に接合すべきプラスチックパイプ
４６を挿入する。そして、図６に示すように、第１部分
１２および第２部分１４を開いた状態で、ワークコイル
１０を継手４４の周囲に配置し、第１部分１２および第
２部分１４を閉じる。すると、矢印Ａ方向に付勢された
係合部３２が係止部３０に係合される。
【００１０】ワークコイル１０を継手４４の周囲にセッ
トした後、ワークコイル１０の導電体１８ａおよび１８
ｂに高周波電源４８（図５）を用いて通電し、継手４４
の磁性合金ヒータ５０に高周波電流を付与して継手４４
とパイプ４６との接合面を融着する。融着が完了する
と、レバー３８（図４）を引き上げてロック状態を解除
し、第１部分１２および第２部分１４を開いて継手４４
からワークコイル１０を離脱する。
【００１１】この実施例によれば、第１部分１２および
第２部分１４を開閉でき、しかもレバー３８を引き上げ
ることによってロック状態を簡単に解除できるので、ワ
ークコイル１０を簡単に着脱できる。なお、上述の実施
例では、第１部分１２および第２部分１４の周方向端面
にロック機構２８を設けるようにしているが、軸方向端
面の図７中斜線で示す位置の少なくとも１箇所にロック
機構２８あるいは他のロック機構を設けるようにしても
よい。他のロック機構としては、バックル，ワンプッシ
ュストッパ，電磁チャック等が用いられ得る。
【図面の簡単な説明】
【図１】この発明の一実施例を示す図解図である。
【図２】この発明の一実施例を示す斜視図である。
【図３】図１におけるIII-III 線断面図である。
【図４】図１の実施例における把手を示す斜視図であ
る。
【図５】図１の実施例を継手にセットした状態を示す図
解図である。
【図６】図１の実施例における第１部分および第２部分
を開いた状態を示す図解図である。
【図７】ロック機構の他の形成位置を示す斜視図であ
る。
【符号の説明】
１０ …誘導融着用ワークコイル １２ …第１部分 １４ …第２部分 １６ａ，１６ｂ …コア １８ａ，１８ｂ …導電体 ２０ａ，２０ｂ …フェライト層 ２２ａ，２２ｂ …ケーシング ２４ …蝶番 ２６ａ，２６ｂ …把手 ３０ …係止部 ３２ …係合部 ３８ …レバー
───────────────────────────────────────────────────── フロントページの続き (72)発明者 西川 幸三 兵庫県尼崎市浜一丁目１番１号 株式会社 クボタ技術開発研究所内 (72)発明者 神田 雅之 兵庫県尼崎市浜一丁目１番１号 株式会社 クボタ技術開発研究所内

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】各々が高周波エネルギを生ぜしめるための
    導電体を有する半割リング状の第１部分および第２部
    分、 前記第１部分と前記第２部分とを開閉可能に連結する連
    結部、 前記第１部分に設けられる係止部、および前記第２部分
    に設けられ、閉状態のとき前記係止部と係合する係合部
    を備える、誘導融着用ワークコイル。
JP5069713A 1993-03-29 1993-03-29 誘導融着用ワークコイル Withdrawn JPH06278212A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5069713A JPH06278212A (ja) 1993-03-29 1993-03-29 誘導融着用ワークコイル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5069713A JPH06278212A (ja) 1993-03-29 1993-03-29 誘導融着用ワークコイル

Publications (1)

Publication Number Publication Date
JPH06278212A true JPH06278212A (ja) 1994-10-04

Family

ID=13410753

Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956346A (zh) * 2010-03-26 2011-01-26 孟祥厚 铁轨热处理用感应加热装置
CN103170777A (zh) * 2013-03-20 2013-06-26 上海锅炉厂有限公司 一种金属管子对接环缝加热装置
CN105729792A (zh) * 2016-04-15 2016-07-06 南安市腾龙专利应用服务有限公司 一种塑料管的热熔连接装置
US9528638B2 (en) 2011-04-07 2016-12-27 Huliot A.C.S. Ltd. Electromagnetic induction welding of plastic pipe distribution systems
CN106425191A (zh) * 2016-12-05 2017-02-22 内蒙古科技大学 一种电磁脉冲焊接用线圈系统
US10710312B2 (en) 2017-03-13 2020-07-14 Huliot Agricultural Cooperative Society Ltd Induction weldable pipe connector having thermally insulated induction weldable socket mouth rims
US10828840B2 (en) 2014-03-04 2020-11-10 Huliot A.C.S. Ltd Electromagnetic induction welding of fluid distribution systems

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956346A (zh) * 2010-03-26 2011-01-26 孟祥厚 铁轨热处理用感应加热装置
US9528638B2 (en) 2011-04-07 2016-12-27 Huliot A.C.S. Ltd. Electromagnetic induction welding of plastic pipe distribution systems
CN103170777A (zh) * 2013-03-20 2013-06-26 上海锅炉厂有限公司 一种金属管子对接环缝加热装置
US10828840B2 (en) 2014-03-04 2020-11-10 Huliot A.C.S. Ltd Electromagnetic induction welding of fluid distribution systems
CN105729792A (zh) * 2016-04-15 2016-07-06 南安市腾龙专利应用服务有限公司 一种塑料管的热熔连接装置
CN106425191A (zh) * 2016-12-05 2017-02-22 内蒙古科技大学 一种电磁脉冲焊接用线圈系统
US10710312B2 (en) 2017-03-13 2020-07-14 Huliot Agricultural Cooperative Society Ltd Induction weldable pipe connector having thermally insulated induction weldable socket mouth rims

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