JPH04131589A - プラスチックパイプ接続方法及びパイプ接続部 - Google Patents

プラスチックパイプ接続方法及びパイプ接続部

Info

Publication number
JPH04131589A
JPH04131589A JP2177666A JP17766690A JPH04131589A JP H04131589 A JPH04131589 A JP H04131589A JP 2177666 A JP2177666 A JP 2177666A JP 17766690 A JP17766690 A JP 17766690A JP H04131589 A JPH04131589 A JP H04131589A
Authority
JP
Japan
Prior art keywords
pipe
pipes
intermediate ring
sleeve
connection
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.)
Granted
Application number
JP2177666A
Other languages
English (en)
Other versions
JPH0786396B2 (ja
Inventor
Joerg Wermelinger
イエルグ　ブェルメリンゲル
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.)
Georg Fischer AG
Original Assignee
Georg Fischer AG
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 Georg Fischer AG filed Critical Georg Fischer AG
Publication of JPH04131589A publication Critical patent/JPH04131589A/ja
Publication of JPH0786396B2 publication Critical patent/JPH0786396B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C66/5229—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
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • 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
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • 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
    • B29C66/124—Tongue and groove joints
    • B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12469—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being asymmetric
    • 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
    • B29C66/63—Internally supporting the article during joining
    • B29C66/636—Internally supporting the article during joining using a support which remains in the joined object
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/725—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 structure of the material of the parts to be joined being hollow-walled or honeycombs
    • B29C66/7252—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 structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled
    • B29C66/72523—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 structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled multi-channelled or multi-tubular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
    • F16L39/005—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies for concentric pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/02—Welded joints; Adhesive joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2024/00—Articles with hollow walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
    • B29L2031/601—Multi-tubular articles, i.e. composed of a plurality of tubes
    • B29L2031/602—Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements
    • B29L2031/603—Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements one placed inside the other, e.g. dual wall tubes
    • B29L2031/605—Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements one placed inside the other, e.g. dual wall tubes concentrically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は、２重管配管のプラスチックパイプの接続方法
に関する。その方法においては、内側パイプ同士はスリ
ーブ結合により強固に結合され、外側パイプば、溶接に
より強固に結合される。
本発明は、上述の方法により製作された２重管配管のパ
イプ接続に関する。
従米及血 既知の２重管配管においては、外側パイプと内側パイプ
は、スペーサ部材により相互に同心状に保持されている
。
これにより、外側パイプの外径部分を同心的にクランプ
することにより内側パイプのスリーブ結合が可能となる
。
２重管配管において、内側パイプと外側パイプの相対的
芯合わせをすることなく、上述の方法を使用してパイプ
接続を行うことは可能ではない。
発３μｍ１斐 本発明の目的は、上述の種類の方法とその方法により製
作されたパイプ接続部を提供することである。スペーサ
部材によりパイプを同心的に保持する必要がな（、その
方法は、内側パイプと外側パイプとを強固に接続するこ
とができる。
本発明では、接続すべき内側パイプの端部をクランプジ
ョーにより相互に同心的に保持し、内側パイプが強固に
接続される迄、クランプジョーで内側パイプの端部を軸
方向に一体に動かす。少なくともクランプジョーの厚さ
に一致する距離だけ接続点で外側パイプは離隔している
。内側パイプを接続した後半径方向スロットが設けであ
る拡大可能中間リングを内側パイプに押し込み、かつ外
側パイプの端部の間に半径方向に装入する。外側パイプ
の２個の端部と中間リングを溶接スリーブにより強固に
接続する。
上述の方法で製作した２重管配管のプラスチ・νクパイ
プの内側パイプと外側パイプの結合において、内側パイ
プはスリーブ接続により接続される。
スロットが設けである拡大可能な中間リングは、外側パ
イプの端部の間に配置される。電気溶接スリーブは、外
側パイプの端部と中間リングの外側面に配置される。
添付図面を参照して、実施例に基づいて本発明をより詳
細に以下に説明する。
社通実崖り皇脱皿 第１図は、スリーブ接続の前の外側パイプ１ａ、１ｂと
内側パイプ２ａ、２ｂの端部を示す。内側パイプ端部２
ａの一方は、既にスリーブ３に強固に接続されている。
内側パイプ２ａ、２ｈの接続は、好適には溶接により行
う。スリーブ３の外径を有するクランプジョーの部分は
、内側パイプ２ａを保持し、内側パイプ２ｂの挿入され
た長さ部分から外方に出ている部分の外径を有するクラ
ンプジョ一部分が内側パイプ２ｂを同心的にクランプす
るためにクランプジョー４８．４ｂが使用されている。
外側パイプｌａ、１ｂの外径迄の外側パイプのクランプ
領域において、クランプジョー４ａ、４ｂは、出来る限
り薄い厚さｄを有する。その場合、クランプジョーは、
各々外側パイプを遊びを有して同時に同心的に固定する
位置決め段部５を有する。
次いで、内側パイプ２ａ、２ｂの端部の間に、加熱突起
部６ａと加熱スリーブ６ｂを備えた加熱装置６を挿入す
る。既知の方法でクランプジョー４ａ、　４．ｂを移動
させて、スリーブ３の内径面と内側パイプ２ｂの外径面
を加熱装置６により加熱する。次いで、加熱装置６をク
ランブジ＝Ｉ−４ａ、４ｂの領域から取り畠し、移動自
在クランブジ＝１４ａ、４ｂにより内側パイプ２ａ、２
ｂを相互に動かして、溶接スリーブ接続を行う。
第１図に示すように、外側パイプｌａ、　ｌｂは、少な
くともクランプジョー４８．４ｂの厚さｄだけ接続すべ
き内側パイプ２ａ、２ｂの端部から短い。
外側パイプ１ａ、１ｂの長さを短くすることは、内側パ
イプを接続する時、同心的に内側パイプを保持するため
に必要である。外側パイプｌａ、　ｌｂＯ間に形成され
た少なくとも２ｄの間隙は、外側パイプを接続する前に
、内側パイプ接続の目視による密着性に関する点検を可
能とする。外側パイプ１ａ、１ｂは、前もって外側パイ
プの一方に摺動じて入れである電気溶接スリーブ７によ
り結合される。溶接フィラメント８は、溶接スリーブ７
の中間部に熱を生成することができるので、外側パイプ
１ａ、１ｂの２個の端部が過度に溶融して内側に崩れる
ことのない事を保証することが必要である。外側パイプ
１ａ、１ｂの端部の間の間隙に中間リング９を装入する
ことにより、この過度の加熱と崩れを防止する。
第３図に示すように、中間リング９は半径方向のスロッ
ト１０を有している。中間リング９を内側パイプ２ａ、
２ｂのスリーブ接続の上に位置させ、かつ外側パイプ１
ａ、１ｂの間に位置させて、第２図の上部に特に示す間
隙を埋めることができる程度に中間リング９を曲げる。
続いて、電気溶接スリーブ７により既知の方法で溶接結
合を行い、外側パイプ１ａ、１ｂの端部と中間リング９
を強固にかつ電気溶接スリーブ７に気密に結合する。
第２図の下部に示す中間リング９ａの形状で、中間リン
グ９ａは、その両側により厚い壁厚と突起部１１を有す
る。これは、外側パイプ１ａ、１ｂが内側に崩れるのを
防止する。
第３図の下部に示すように、中間リング９．．９ａが厚
い壁厚を有する場合、中間リング９．９ａにはフィルム
型ヒンジ１２が設けられ、中間リングを容易に曲げるこ
とができるようにする。
内側パイプ２ａ、２ｂの溶接スリーブ結合の代わりに、
接着結合スリーブ接続を使用することも可能である。そ
の場合、クランプジョー４８．４ｂにより同心支持を行
うことが必要で、上述のように中間リング９．９ａを装
入して外側パイプ１ａ、１ｂの溶接スリーブ接続を行う
。
【図面の簡単な説明】
第１図は、２重管配管の外側パイプと内側パイプの端部
の接続する前の断面図； 第２図は、２重管配管の内側パイプと外側パイプのスリ
ーブ接続の断面図； 第３図は、第２図に示す中間リングの断面図である。 １ａ、１ｂ・・・外側パイプ ２ａ、２ｂ・・・内側パイプ ３・・・スリーブ ４ａ、４ｂ・・・クランプジョー ５・・・位置決め段部 ６・・・加熱装置 ７・・・？容接スリーフ ８・・・？容接フィラメント ９．９ａ・・・中間リング １０・・・半径方向スロ・ント １１・・・突起部 １２・・・フィルム型ヒンジ

Claims (1)

  1. 【特許請求の範囲】 １、内側パイプと外側パイプを有する２重管配管のプラ
    スチックパイプを接続する方法であって、前記内側パイ
    プはスリーブ部材により強固に結合され、前記外側パイ
    プは溶接スリーブにより強固に結合されるプラスチック
    パイプ接続方法において、結合すべき内側パイプの端部
    をクランプジョーにより相互に同心的に保持する工程と
    、前記内側パイプが前記スリーブ部材により強固に結合
    されるまで、前記内側パイプの前記端部を前記クランプ
    ジョーにより軸方向に一体に動かす工程と、少なくとも
    前記クランプジョーの厚さに一致する距離だけ結合位置
    で前記外側パイプを離隔する工程と、前記内側パイプを
    結合した後半径方向スロットを有する拡大可能な中間リ
    ングを前記内側パイプの上側に押し込む工程と、前記外
    側パイプの端部の間に前記中間リングを半径方向に装入
    する工程と、前記溶接スリーブにより前記外側パイプの
    ２個の端部と前記中間リングとを強固に相互に結合する
    工程とを有することを特徴とするプラスチックパイプ接
    続方法。 ２、前記スリーブ部材を前記内側パイプに接着する工程
    を有する、ことを特徴とする請求項１に記載のプラスチ
    ックパイプ接続方法。 ３、前記スリーブ部材を前記内側パイプに溶接する工程
    を有する、ことを特徴とする請求項１に記載のプラスチ
    ックパイプ接続方法。 ４、前記外側パイプを結合する前記溶接スリーブは電気
    フィラメント巻線を有する、ことを特徴とする請求項１
    に記載のプラスチックパイプ接続方法。 ５、内側パイプと外側パイプを有する２重管配管のパイ
    プ接続部であって、前記内側パイプはスリーブ部材によ
    り強固に結合され、前記外側パイプは溶接スリーブによ
    り強固に結合されるパイプ接続部において、結合すべき
    内側パイプの端部を相互に同心的に保持し、前記内側パ
    イプが強固に結合されるまで、前記内側パイプの端部を
    軸方向に一体に動かためのクランプジョーと、半径方向
    スロットを有する拡大可能な中間リングとを備え、前記
    中間リングは、前記外側パイプの端部の間に半径方向に
    取り付けてあり、前記溶接スリーブは、電気溶接スリー
    ブであり、前記外側パイプの端部と前記中間リングの外
    側周囲に取り付けてある、ことを特徴とするパイプ接続
    部。 ６、前記中間リングは、その両側に突起部を有し、その
    突起部は、前記外側パイプの内側面に当接する、ことを
    特徴とする請求項５に記載のパイプ接続部。 ７、前記中間リングは、フィルム型ヒンジを有する、こ
    とを特徴とする請求項５に記載のパイプ接続部。
JP2177666A 1989-07-07 1990-07-06 プラスチックパイプ接続方法及びパイプ接続部 Expired - Fee Related JPH0786396B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2538/89-2 1989-07-07
CH2538/89A CH679240A5 (ja) 1989-07-07 1989-07-07

Publications (2)

Publication Number Publication Date
JPH04131589A true JPH04131589A (ja) 1992-05-06
JPH0786396B2 JPH0786396B2 (ja) 1995-09-20

Family

ID=4236048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2177666A Expired - Fee Related JPH0786396B2 (ja) 1989-07-07 1990-07-06 プラスチックパイプ接続方法及びパイプ接続部

Country Status (9)

Country Link
US (1) US5087308A (ja)
EP (1) EP0406818B1 (ja)
JP (1) JPH0786396B2 (ja)
AT (1) ATE79936T1 (ja)
AU (1) AU625506B2 (ja)
CA (1) CA2020414C (ja)
CH (1) CH679240A5 (ja)
DE (1) DE59000272D1 (ja)
ES (1) ES2034803T3 (ja)

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Also Published As

Publication number Publication date
JPH0786396B2 (ja) 1995-09-20
AU625506B2 (en) 1992-07-16
DE59000272D1 (de) 1992-10-01
ATE79936T1 (de) 1992-09-15
EP0406818A1 (de) 1991-01-09
CH679240A5 (ja) 1992-01-15
ES2034803T3 (es) 1993-04-01
CA2020414A1 (en) 1991-01-08
EP0406818B1 (de) 1992-08-26
CA2020414C (en) 1996-03-19
AU5873290A (en) 1991-01-10
US5087308A (en) 1992-02-11

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