JPS61124796A - プラスチツク管を連結する管継手とそのような継手の製造方法 - Google Patents

プラスチツク管を連結する管継手とそのような継手の製造方法

Info

Publication number
JPS61124796A
JPS61124796A JP60175968A JP17596885A JPS61124796A JP S61124796 A JPS61124796 A JP S61124796A JP 60175968 A JP60175968 A JP 60175968A JP 17596885 A JP17596885 A JP 17596885A JP S61124796 A JPS61124796 A JP S61124796A
Authority
JP
Japan
Prior art keywords
sleeve body
pipe
tube ends
joint
heating element
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
JP60175968A
Other languages
English (en)
Other versions
JPH0557480B2 (ja
Inventor
ヨハン・キステニツヒ
クリステイアン・フエルク
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.)
ESUTERURAIHITSUSHIE REN KU
ESUTERURAIHITSUSHIE THE-REN KUNSUTOSHIYUTOTSUFUUERUKU GmbH
Original Assignee
ESUTERURAIHITSUSHIE REN KU
ESUTERURAIHITSUSHIE THE-REN KUNSUTOSHIYUTOTSUFUUERUKU GmbH
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 ESUTERURAIHITSUSHIE REN KU, ESUTERURAIHITSUSHIE THE-REN KUNSUTOSHIYUTOTSUFUUERUKU GmbH filed Critical ESUTERURAIHITSUSHIE REN KU
Publication of JPS61124796A publication Critical patent/JPS61124796A/ja
Publication of JPH0557480B2 publication Critical patent/JPH0557480B2/ja
Granted 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
    • B29C65/344—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 being a woven or non-woven fabric or being a mesh
    • 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
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked 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
    • 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
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre 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
    • B29C66/50—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
    • B29C66/70—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
    • 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
    • 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
    • F16L47/03—Welded joints with an electrical resistance incorporated in the joint
    • 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"
    • B29C65/3472—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
    • B29C65/348—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 with a polymer coating
    • 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
    • B29C65/364—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 being a woven or non-woven fabric or being a mesh
    • 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
    • B29C65/368—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 with a polymer coating
    • 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
    • B29C66/737—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 state of the material of the parts to be joined
    • B29C66/7371—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 state of the material of the parts to be joined oriented or heat-shrinkable
    • B29C66/73715—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 state of the material of the parts to be joined oriented or heat-shrinkable heat-shrinkable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/18—Polymers of hydrocarbons having four or more carbon atoms, e.g. polymers of butylene, e.g. PB, i.e. polybutylene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (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、連結される管端部、取付物または同様なもの
が熱の作用下で互に緊密に結合され、かつ継手スリーブ
が、二つの管端部の間または管端部と取付物の差込端部
の間の間隙を包囲する、管端部または取付物の部分また
は別個の部材からなる、プラスチック管を連結する管継
手およびそのような継手を作る方法、特に非収縮性プラ
スチック管を連結する管継手を作る方法に関する。
このような管継手は、収縮可能な熱可塑性プラスチック
管のための収縮継手または溶接継手　゛または収縮性ス
リーブまたは（電気的に）溶接可能なスリーブの名前で
知られている。このような継手は、便利に取り扱うこと
ができる、緊密な継手により管網状組織において収縮性
熱可塑性管を互にまたは取付物などに連結するために使
用できる。継手を作るために、別個のスリーブを、連結
すべき要素の間の間隙の周シに設けるので、スリーブの
内径と管の外径の許容公差によりスリーブの内面と管端
部の外面の間に必然的に小さな隙間が残される。その隙
間は、ドイツ特許明細書２２０７０６０に提案されたよ
うに、液化した熱溶融接着剤で満たされ、その接着剤が
、スリーブを収縮させ、従って管端部とスリーブの間に
熱溶融接着剤を圧縮して緊密な継手を形成するのに必要
な熱をスリーブに供給するか、または前記隙間が、公告
されたドイツ出願１４７９２８１に開示されたようにス
リーブの収縮を収容するために使われ、その出願には、
二重絶縁が設けられた熱線を使って必要な溶接温度まで
隙間を加熱し、そしてスリーブに収縮に必要な熱を供給
することが教示されている。
収縮性の熱可塑性プラスチックからなる導管を結合する
ためのそのような電気的に溶接可能なスリーブの熱線の
配置と設計がドイツ特許明細書８１０８８０５で提案さ
れておシ、そこには、スリーブ本体の内側面に近接して
配置された複数の抵抗熱線を設けることが教示され、ま
た米国特許３，２３５，２８９と同様ドイツ特許８，２
２６，５７５には、溶接リングをスリーブ本体と管の間
に残された隙間に押し込んで、前記リングを電気的に加
熱することによりリングが隙間を満たして二つの部品を
互に結合することが教示されている。
これらの周知の管継手では、スリーブ本体にその収縮に
必要な熱を供給するだめの熱溶融接着剤を用いるか、ま
たはそのような収縮熱を電気的に加熱される加熱コイル
により供給している。
前記の周知の方法は収縮可能な熱可塑性材料を連結する
ためにしか使用できない。そのような継手は種々の材料
と共に少しも使用できないし、または例えばスリーブと
管端部の間の隙間を満たさなければならない場合に十分
に信頼できない。なぜなら、熱溶融接着剤と管の表面の
間のびったシした接触が得られないからであり、また圧
力を加えるための収縮スリーブがないからである。
ポリブチレンのような非収縮性の熱可塑性プラスチック
と関連して、非常に費用がかがシ、しかも付加的な取付
物と一緒に使用したときしか必要な安全性を与えない、
機械的に作用するスリーブしか使用できないし、または
結合すべき管端部の端面を溶融温度以上に加熱し、それ
から互に対重て押しつけて突合せ溶接継手を形成できる
溶接接手か、または結合すべき端部の一方をソケットと
して設計して、ソケットの内面と管の外面を加熱し、そ
の後、前記面を一方を他方の上へ押して溶接ソケット　
−および一差込継手を形成できるような溶接継手を使用
することができる。両方の場合に、溶接作業中結合すべ
き部分を互に対して動かさなければならず、もし管を限
られた空間内に置く場合には、その相対的な移動に必要
な空間が利用できないことがしばしばある。
この理由のために、本発明の目的は、継手を建築用地で
簡単な仕方で作るように適合させなければならない場合
に、ポリブチレンのような非収縮性の熱可塑性プラスチ
ックの管の間に緊密で経済的な継手を設けることである
。
この目的を達成するには、本発明により、継手を形成す
る領域を包囲するスリーブ本体の内面が、管端部または
各端部の外面のテーパーと係合するテーパーを有し、ス
リーブ本体上管端部の間に隙間のない締りばめを形成し
、そして熱を供給してスリーブ本体と管端部の間に均質
な溶接継手を確立させれば良い。
加熱要素は、スリーブ本体の内面に埋設されるのが望ま
しい。
電気的熱要素が抵抗体からなるのが望ましい。
抵抗体は電気的加熱コイルからなるのが望ましい。
加熱要素は、スリーブ本体および結合すべき管が作られ
る材料で被覆されるのが望ましい。
材料はポリブチレンからなるのが望ましい。
本発明による管継手を作る方法において、限定された内
側テーパーを有するスリーブ本体を最初に作り、結合す
べき管端部にそれらの外周面に相手テーパーを形成し、
その後一つまたは複数の管端部を、スリーブ本体との間
に隙間が残らないような深さまでスリーブ本体に差込ん
で、コレットまたは同様なものにより維持できる締９ば
めを得た後、スリーブと一つまたは複数の管端部の間に
均質な継手が形成されるまで熱源を継手形成領域に作用
させる。
本発明により、熱源を限定時間の間継手形成領域に作用
させる。
本発明により、熱源をスリーブ本体の外側に配置して、
外側から継手形成領域に作用させる。
本発明により、熱源をスリーブ本体に埋設する。
本発明により、熱源を、前記スリーブ本体に結合すべき
管端部に対向してスリーブの内面に配置する。
本発明により与えられる利点は、本質的に１非収縮性プ
ラスチツク特にポリブチレンで作られた管、形材または
同様なものを緊密なかつ均質な継手により連結すること
ができ、その継手は、結合すべき部分が種々の製造公差
を有するとしても応力と無関係であることにある。
他の利点は、継手を建築用地で、狭いみそでさえ熟練を
要しない労働により経済的に簡単な仕方で容易に作るこ
とができることにある。
別の利点は、スリーブおよび結合すべき管端部が同じ材
料からなるので、管網状組織全体を同じ材料で作ること
ができ、スリーブと管に異なる材料を使う必要がないこ
とにある。
以下、本発明を、図面に示した実施例を参照していっそ
う詳細に説明する。
図面に示した管継手は、スリーブ３により包囲された管
端部１と２を含む。差し込まれた管端部１と２に対向し
て、スリーブ本体３には、スリーブ本体の中心から延び
ていてかつ外方にじょうご状に張り出している二つの側
面３ａと８ｂが設けられている。スリーブ本体３の前記
テーパー側面８ａと３ｂに対向して、管端部１と２にも
テーパー面１ａと２ａが設けられている。管端部１と２
がスリーブ本体３に差し込まれたときに１スリ一ブ本体
３と管端部１および２との間に隙間が残されないので、
管端部を挿入すれば締シばめになる。スリーブ本体のテ
ーパー側面３ａと３ｂには、例えば加熱コイルからなる
加熱要素４が設けられている。加熱コイル４の線は外装
４ａにより囲まれており、この外装は、スリーブ本体と
同じ材料で作られた被覆からなるのが望ましい。
加熱要素４は、それに代り、例えば埋設された網状組織
および側面３ａと３ｂ上の適当な被覆からなるか、また
は同様な適当な熱源からなることができる。これに代る
方法として、外部の熱源を用いて、スリーブ本体３と管
端部１および２の継手形成部分に作用させることもでき
る。その場合には、加熱要素４を省略できるのは明らか
である。誘導加熱系または同様なものを設けることもで
きる。
第２図に示した改変例は、管端部５と、この管端部５に
取りつけられたまたはこれと一体に成形されたスリーブ
本体５ａとからなる管継手である。挿入された管端部６
に対向して、スリーブ本体５ａはテーパー側面５ｂを有
する。管端部６は、保合テーパー６ａを有する。
９０ｍｍの外径を有する二つのポリブチレンの間に本発
明による管継手を作る例ニ スリーブ本体３を初めからその最終形状にかつ加熱要素
４がそこに射出成形法により埋設された状態に作る。二
つの管端部１と２には、スリーブ本体３のテーパーに対
応するテーパー１ａと１ｂを設ける。テーパ一部分３ａ
　、　３ｂおよび１ａ、２ａの長さは、約８７ｍｍの長
さと１．６°のテーパーを有する溶接領域に対応する。
加熱要素４は、直径が０．６ｍｍで長さ１３．２ｒｎｒ
ｒｌおよび０．８４オームの抵抗Ｒを有する銅線からな
る。管端部１ａと２ａを、締シ嵌めが得られるまでスリ
ーブに挿入する。２４ボルトの電圧を加熱要素４の端部
４ａと４ｂを横切って１２４秒加えることにより　、５
４，５００ジユールになる溶接エネルギーを２０℃の周
囲温度で継手形成領域に供給し、その結果スリーブ本体
３の材料と管端部１ａと２ａの材料が溶融しそして一緒
に流動して均質なかつ緊密な継手を構成する。継手が冷
えたときに、継手は完成して負荷を担持するのに適して
いる。一方では管端部１ａおよび２ａと、他方ではスリ
ーブ本体３、すなわちそのテーパー内側面３ａおよび３
ｂの間の締りばめを溶接作業中および継手形成領域が最
終的に冷却されるまで締付装置により維持することがで
きる。
【図面の簡単な説明】
第１図は管継手を示す断面図、第２′図は第１図の改変
例を示す断面図である。 １．２・・・管端部　１ａ、２ａ・・・管端部のテーパ
ー３・・・スリーブ本体

Claims (11)

    【特許請求の範囲】
  1. （１）プラスチック管、特に非収縮性の熱可塑性プラス
    チック管を連結するための管継手であつて、連結すべき
    管端部（１、２）、取付物または同様なものが熱の作用
    を受けて互に緊密に結合され、結合スリーブは、二つの
    管端部 （１、２）の間または管端部と取付物の差込端部の間の
    間隙を包囲する、管端部の部分または取付物端部（５ａ
    ）の部分からなるか、または別個のスリーブ本体（３）
    からなる管継手において、継手形成領域を包囲するスリ
    ーブ本体（３）の内面が、差込まれた一つまたは複数の
    管端部（１、２）の外面（１ａ、２ａ）のテーパーに対
    応するテーパー（３ａ、３ｂ）を有し、スリーブ本体と
    管端部（１、２）の間に実質的に隙間のない締りばめが
    あり、その作用により作られた均質な継手が、スリーブ
    本体（３）と一つまたは複数の管端部（１、２）の間に
    与えられることを特徴とする管継手。
  2. （２）加熱要素（４）がスリーブ本体（３）の内面に埋
    設されている、特許請求の範囲第１項に記載の管継手。
  3. （３）加熱要素（４）が電気的加熱要素からなる、特許
    請求の範囲第１項または第２項記載の管継手。
  4. （４）電気的加熱要素（４）が抵抗体からなる、特許請
    求の範囲第１項から第３項までのうちのいずれか一つに
    記載の管継手。
  5. （５）抵抗体が電気的加熱コイル（４）からなる、特許
    請求の範囲第１項から第４項までのうちのいずれか一つ
    に記載の管継手。
  6. （６）加熱要素（４）を、スリーブ本体（３）および結
    合すべき管（１、２）が作られている材料、好適にはポ
    リブチレンで被覆してある、特許請求の範囲第１項から
    第５項までのうちのいずれか一つに記載の管継手。
  7. （７）プラスチック管、特に非収縮性の熱可塑性プラス
    チック管を連結するための管継手であつて、連結すべき
    管端部（１、２）、取付物または同様なものが熱の作用
    を受けて互に緊密に結合され、結合スリーブは、二つの
    管端部 （１、２）の間または管端部と取付物の差込端部の間の
    間隙を包囲する、管端部の部分または取付物端部（５ａ
    ）の部分からなるか、または別個のスリーブ本体（３）
    からなる管継手を作る方法において、限定された内側テ
    ーパー （３ａ、３ｂ）を有するスリーブ本体（３）をまず作り
    、結合すべき管端部（１、２）にそれらの外周面に相手
    テーパー（１ａ、２ａ）を形成し、その後一つまたは複
    数のテーパー付管端部（１、２）を、スリーブ本体との
    間に隙間が残らないような深さまでスリーブ本体（３）
    に差込んで実質的に隙間のない締りばめを得てから、熱
    源を継手形成領域に実質的に作用させ、ついにはスリー
    ブ本体（３）と管端部（１、２）が締りばめの領域で互
    に接触している面が溶融して一緒に流動し、均質な継手
    を形成することを特徴とする方法。
  8. （８）熱源を、限定された時間の間継手形成領域に作用
    させる、特許請求の範囲第７項に記載の方法。
  9. （９）熱源をスリーブ本体（３）の外側に配置して、外
    側から継手形成領域に作用させる、特許請求の範囲第７
    項または第８項記載の方法。
  10. （１０）熱源が、スリーブ本体（３）に埋設された加熱
    要素（４）からなる特許請求の範囲第７項から第９項ま
    でのうちのいずれか一つに記載の方法。
  11. （１１）加熱要素（４）を、スリーブ本体に結合すべき
    管端部（１、２）に対向してスリーブ本体（３）の内周
    面に設けた、特許請求の範囲第７項から第１０項までの
    うちのいずれか一つに記載の方法。
JP60175968A 1984-08-14 1985-08-12 プラスチツク管を連結する管継手とそのような継手の製造方法 Granted JPS61124796A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP84109686.0 1984-08-14
EP19840109686 EP0171450A1 (de) 1984-08-14 1984-08-14 Rohrverbindung für Kunststoffrohre und Verfahren zur Herstellung

Publications (2)

Publication Number Publication Date
JPS61124796A true JPS61124796A (ja) 1986-06-12
JPH0557480B2 JPH0557480B2 (ja) 1993-08-24

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ID=8192113

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Country Link
US (1) US4842305A (ja)
EP (1) EP0171450A1 (ja)
JP (1) JPS61124796A (ja)
KR (1) KR870002414A (ja)
CA (1) CA1278595C (ja)
IL (1) IL75835A0 (ja)
NZ (1) NZ212786A (ja)

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Also Published As

Publication number Publication date
EP0171450A1 (de) 1986-02-19
KR870002414A (ko) 1987-03-31
US4842305A (en) 1989-06-27
JPH0557480B2 (ja) 1993-08-24
IL75835A0 (en) 1985-11-29
NZ212786A (en) 1988-02-12
CA1278595C (en) 1991-01-02

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