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JPS6324820B2 - - Google Patents
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JPS6324820B2 - - Google Patents

Info

Publication number
JPS6324820B2
JPS6324820B2 JP59253921A JP25392184A JPS6324820B2 JP S6324820 B2 JPS6324820 B2 JP S6324820B2 JP 59253921 A JP59253921 A JP 59253921A JP 25392184 A JP25392184 A JP 25392184A JP S6324820 B2 JPS6324820 B2 JP S6324820B2
Authority
JP
Japan
Prior art keywords
welding
recess
change
union joint
coil
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.)
Expired
Application number
JP59253921A
Other languages
English (en)
Other versions
JPS60198224A (ja
Inventor
Gurankureman Jeraaru
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.)
TOEREKUTORITSUKU
Original Assignee
TOEREKUTORITSUKU
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 TOEREKUTORITSUKU filed Critical TOEREKUTORITSUKU
Publication of JPS60198224A publication Critical patent/JPS60198224A/ja
Publication of JPS6324820B2 publication Critical patent/JPS6324820B2/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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
    • B29C66/52241—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/095—Monitoring or automatic control of welding parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B29C66/91655—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the current intensity
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9221—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power
    • B29C66/92211—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power with special measurement means or methods
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/97—Checking completion of joining or correct joining by using indications on at least one of the joined parts
    • B29C66/972—Checking completion of joining or correct joining by using indications on at least one of the joined parts by extrusion of molten material
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
    • G05D23/27535—Details of the sensing element
    • G05D23/27537—Details of the sensing element using expansible fluid
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0009—Cutting out
    • B29C2793/0018—Cutting out for making a hole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/944—Measuring or controlling the joining process by measuring or controlling the time by controlling or regulating the time
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Plasma & Fusion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明はプラスチツク製チユーブのための電気
溶接されるユニオン継手に関する。より詳細に
は、本発明は斯かる溶接ユニオン継手においてチ
ユーブ径に関連して最適の溶接時間が得られる方
法と装置に関する。
本明細書においては「ユニオン継手」なる語
は、チユーブ端を延長させる接続具やチユーブに
別のチユーブを横方向に接続するための接続具
等、所定数のチユーブ素子を連結するための接続
具として働くスリーブを意味する。
説明の便宜上、以下では上記した特定のスリー
ブの場合について言及するが、それらは本発明を
説明するための一例に過ぎない。
［従来の技術］ ２つのプラスチツク製チユーブを結合する場
合、同材料のスリーブを用いて２つのチユーブを
これに挿入する。即ち、スリーブがユニオン継手
として働き、スリーブの内面にはコイルが埋め込
まれていてコイル端は電流により励起される。電
源が入れられると、コイルを流れる電流がチユー
ブとチユーブが挿入されているスリーブの内面の
材料に融解を起こす。これらの２つの域には非常
に大きな熱膨張が生じるので、融解表面は密に接
触し、冷却後は堅固なブロツクをなす。
［発明が解決しようとする問題点］ しかしながら、この簡単な方法は、制御上難点
がある。というのは、チユーブとユニオン継手と
の間の堅固なブロツクの形成は漸進的な現象なの
で、この現象は温度と量という２つの物理的指針
によつて調べることはできても外部から見ること
ができないからである。
実際、電流溶接源が接続されると、コイルに電
流が流れ次のような一連の結果をもたらす。
コイルがスリーブに埋め込まれているため電流
によつて生じた熱が周辺域における材料の加熱を
引き起こして次第に融解して行き表面へと熱膨張
が達し、チユーブ外部に圧力が加わり、この圧力
が増加する。
次いで、チユーブ材が融解してチユーブに対し
スリーブが押圧した状態での溶接となる。
この時点で電流が切られなければ、融解材料の
熱膨張により溶接域での圧力増加が生じる。何故
なら、材料のロスを防ぎそして溶接圧を確立する
ためにコイル各側の側方域を低温のままにしてい
るからである。
従つて、材料の温度又は量をチエツクできれ
ば、これら指針のいずれかが所定値に達した時点
で電流の遮断を行なうことができ、溶接を完了で
きる。最適電流時間は、膨張圧を一定と見なせ
ば、スリーブ径の関数である。
従つてこれらユニオンの溶接時間を確立するた
めの自動制御方法及び装置が必要で、本発明はこ
れらを提供する。
［問題点を解決するための手段］ 本発明によれば、互いに接触する部材の一方に
設けた凹所内に、加熱された材料を膨張させ、前
記凹所に設けたセンサにより膨張した材料の特性
変化を検出して、加熱用のコイルへの電流供給を
遮断する信号を出力する。これを行なうため、本
発明の第１の仕方によれば、融解材料自体が、熱
膨張時に電流を遮断する電気機械的又は電子的構
成要素と接触する。
本発明の第２の仕方によれば、変数として選択
されるのは温度であり、これが軟化点又は融解点
に対応する値に達すると、熱センサからの信号で
電源を切るか又はコイル感熱域の融解による遮断
を行なうことにより、電流を遮断する。
本発明の第３の仕方によれば、材料の密度又は
硬度変化を感知する素子が用いられ、材料軟化時
に電気機械的又は電子的構成要素が作用される。
本発明の範囲内で、その他種々の、材料の軟化
に関する特性変化を検出・利用して溶接電流遮断
システムに伝えるやり方が可能である。
本発明は電気溶接されるスリーブの溶接時間制
御に関し、融解するプラスチツク材料の特性変化
を利用してこれら特性の１つが最適点に到達した
時点で電気機械的又は電子的構成要素に働きかけ
て電流を止めるものである。
本発明の第１の仕方を達成する方法において
は、融解材料がスリーブ壁の半径方向凹所に流入
することが用いられる。溶接時には、スリーブ内
域からの融解材料がこの凹所に導かれてスリーブ
外面に達する。この公知の現象を利用して凹所中
に「コルク」を配することにより視覚的に操作制
御する試みがされているが、しかしこのようなシ
ステムは真の制御というにはあまりにも未発達な
ものである。本発明によれば、この凹所にマイク
ロ接点を配し、融解材料が接触した時に接点が作
用するよう構成したことによつて、真の制御とし
たものである。
本発明は、スリーブ壁内にコイルに隣接して半
径方向凹所を形成し、融解材料がこの凹所に流入
してスリーブの外面に達し、凹所に隣接して配し
た電気機械的又は電子要素に接触して接触時点で
電流が切れるよう働く電気溶接されるスリーブの
溶接時間制御装置にも関する。
勿論、正確に溶接最適時点で融解材料が流入し
て制御素子に接触して電流を止めるよう凹所径は
スリーブの寸法に関連させて選ばなければならな
い。
［実施例］ 以下、添付図面を参照して本発明の第１の仕方
を更に説明する。
第１図は本発明が２つの共軸チユーブをスリー
ブで接続するのに用いられた例を示すもので、ス
リーブ１はポリエチレン等の熱可塑性材料から成
り、その内径はチユーブ２の外径よりもやや大き
い。２つのチユーブ２，２′をほぼ対称的にスリ
ーブ１内に挿入し、チユーブ２，２′端をスリー
ブ１内にコイル３，３′を埋め込んだ領域の内側
で対向させる。コイル３，３′は端子６，６′に接
続し、端子６，６′は第４図に示す如く電源につ
ながつている。
本発明によれば、２つのコイル３，３′の電源
回路は、第４図に示す如く、オペレータによつて
一旦閉じられた後、溶接完了時点で自動的に切ら
れる。これはスリーブ１壁のコイル３，３′が埋
設個所付近で端子６，６′に隣接して配された凹
所５，５′の口に位置した２つのマイクロ接点４，
４′により指令される制御回路によつて行われる。
前記した融解膨張の進行中に、スリーブ１の融
解した材料が膨張圧の作用により各凹所５，５′
の底部に入り込み、この膨張につれて凹所５，
５′内にて高さを増して各マイクロ接点４，４′に
圧力を加え、各マイクロ接点４，４′がコイルへ
の作動電流を切つて溶接作業を止める。
第２図及び第３図は本発明が主導管に派生チユ
ーブ（tube in derivation）が接続されるのに用
いられる例を示すものである。即ち、第１図の例
における２つの共軸チユーブのスリーブの替わり
に、派生チユーブ１１の全部又は一部を覆うサド
ル１０で溶接が行なわれる。
サドル１０はチユーブ１２を有しており、この
内側がねじ切りされていて図示しないねじ切りさ
れた突きぎりによりチユーブ１２に対向するチユ
ーブ１１壁に孔１３があけられる。
サドル１０はサドル１０の湾曲形に合わせて湾
曲させたコイル１４を有しており、端子１５，１
５′に接続された回路により電力供給される。マ
イクロ接点１６，１６′は、第１図の凹所５，
５′に配したマイクロ接点４，４′と同様に凹所１
７，１７′に配される。方法の順序も第１図の場
合と同様で、サドル材料とチユーブ材料が所望の
融解を起こすとすぐに、融解した材料が凹所１
７，１７′に入つてマイクロ接点１６，１６′を作
動させて、コイル１４へ加えられる電流を切り、
溶接を終了させる。
勿論、上記の２つの実施例の他、特に融解材料
の温度を利用した種々の変更例が可能である。
第４図は前記した如き電気設備の概略図であ
る。低電圧電源２０から導線２１，２２が溶接コ
イルの端子６，６′，１５，１５′に結線される。
導線２２ではリレー２３を備えた制御システムが
結線され、開始は手動で制御し遮断はマイクロ接
点４，４′，１６，１６′によつて行なう。手動制
御は押し釦２４による。スリーブ１の（又はサド
ル１０の）凹所５，５′，１７，１７′内の融解材
料圧に反応するセンサが遮断を制御する。
本発明の要旨の範囲内の変更例としては、例え
ば、これらのセンサを温度感知型にし温度変化の
みを利用して制御回路を指令してもよいし、融解
材料の量にのみ頼つて指令してもよいし、又、各
スリーブ（サドル）に２つの凹所があるのだから
一方を温度感知型、他方を量感知型としてもよ
い。
第１図及び第２図において、スリーブ１及びサ
ドル１０の域「ｓ」は溶接域を、域「ｆ」は冷域
を表わし、このため融解した材料が側方に逃げて
圧力形成を妨げるのが防がれる。
［発明の効果］ 以上から明らかなように本発明によれば、一方
の部材に設けた凹所にセンサを配設して、膨張し
た材料の特性変化を検出するようにしたので、実
際に溶接が進行していく状態をとらえることが可
能となり、従つて現実に堅固な溶接が完了した最
適時間に正確に電流の供給を遮断することが可能
で、制御の精度を大幅に向上し得る。という優れ
た効果を発揮する。
【図面の簡単な説明】
第１図は本発明をスリーブにより２つの共軸な
チユーブを接続するのに用いた例を示す図、第２
図は本発明を主導管に分岐チユーブを接続するの
に用いた例を示す図、第３図は第２図の−線
縮少断面図、第４図は本発明を実施するための溶
接回路を概略的に示す図である。 図中、１はスリーブ、２，２′，１１はチユー
ブ、３，３′，１４はコイル、４，４′，１６，１
６′はマイクロ接点、５，５′，１７，１７′は凹
所を示す。

Claims (1)

  1. 【特許請求の範囲】 １ 熱可塑性絶縁材料でできた２つの部材を互に
    その面を合せて接触し、接触面の一部に設けたコ
    イルに電流を通すことによりコイルを設けた部分
    の接触面を材料が加熱される溶接域とすると共に
    溶接域に隣り合う部分の接触面を材料が加熱され
    ない冷域とし、前記部材の一方に設けた凹所内に
    加熱された溶接域の材料を膨張させ、前記凹所に
    設けたセンサにより膨張した材料の特性変化を検
    出して前記コイルへの電流供給を遮断する信号を
    出力することを特徴とする電気溶接されるユニオ
    ン継手の溶接時間制御方法。 ２ 検出される特性変化が量変化であり、凹所内
    で膨張した材料が凹所の口に配したマイクロ端子
    に作用する、特許請求の範囲第１項に記載の電気
    溶接されるユニオン継手の溶接時間制御方法。 ３ 検出される特性変化が温度変化であり、溶接
    域の熱が凹所の内側に配した熱センサによつて検
    出される、特許請求の範囲第１項に記載の電気溶
    接されるユニオン継手の溶接時間制御方法。 ４ 検出される特性変化が材料の密度又は硬度変
    化であり、凹所での材料の軟化度合が情報として
    用いられる、特許請求の範囲第１項に記載の電気
    溶接されるユニオン継手の溶接時間制御方法。 ５ 相互に接触面を有する熱可塑性絶縁材料でで
    きた２つの部材を設け、一方の該部材の接触面の
    一部に加熱用のコイルを設けることによりコイル
    を設けた部分の接触面に溶接域を形成し同時に該
    溶接域に隣り合う部分の接触面に冷域を形成し、
    前記一方の部材に加熱された溶接域の材料が膨張
    できる凹所を設け、該凹所に膨張した材料の特性
    変化を検出して前記コイルへの電流の供給を遮断
    する信号を出力するセンサを設けたことを特徴と
    する電気溶接されるユニオン継手の溶接時間制御
    装置。 ６ センサが凹所の口に配され膨張材料によつて
    作用されるマイクロ端子であり、利用される特性
    変化が材料の量変化である、特許請求の範囲第５
    項に記載の電気溶接されるユニオン継手の溶接時
    間制御装置。 ７ センサが凹所の内部に配された熱センサであ
    り、利用される特性変化が材料の温度変化であ
    る、特許請求の範囲第５項に記載の電気溶接され
    るユニオン継手の溶接時間制御装置。 ８ センサが材料の軟化度合を感知する素子であ
    り、利用される特性変化が材料の密度又は硬度変
    化である、特許請求の範囲第５項に記載の電気溶
    接されるユニオン継手の溶接時間制御装置。 ９ リレーを取付けた回路によつてコイルに電流
    が供給され、前記リレーが手動で発動され、溶接
    の終了を表わす特性変化を検出するセンサにより
    指令されて前記リレーが遮断される、特許請求の
    範囲第５項に記載の電気溶接されるユニオン継手
    の溶接時間制御装置。
JP59253921A 1983-12-02 1984-11-30 電気溶接されるユニオン継手の溶接時間制御方法及び装置 Granted JPS60198224A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MC1677 1983-12-02
MC831677A MC1581A1 (fr) 1983-12-02 1983-12-02 Procede pour le controle du temps de soudage

Publications (2)

Publication Number Publication Date
JPS60198224A JPS60198224A (ja) 1985-10-07
JPS6324820B2 true JPS6324820B2 (ja) 1988-05-23

Family

ID=19738076

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Application Number Title Priority Date Filing Date
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Country Status (12)

Country Link
US (1) US4684417A (ja)
JP (1) JPS60198224A (ja)
KR (1) KR910007173B1 (ja)
AU (1) AU582557B2 (ja)
DK (1) DK163218C (ja)
EG (1) EG17267A (ja)
ES (1) ES538162A0 (ja)
IN (1) IN162082B (ja)
MA (1) MA20287A1 (ja)
MC (2) MC1581A1 (ja)
MX (1) MX156873A (ja)
ZA (1) ZA849000B (ja)

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Also Published As

Publication number Publication date
DK571084D0 (da) 1984-11-30
MC1581A1 (fr) 1985-02-04
DK163218B (da) 1992-02-10
MX156873A (es) 1988-10-06
KR850004923A (ko) 1985-08-19
ES8603637A1 (es) 1985-12-16
ZA849000B (en) 1985-09-25
MC202A7 (fr) 1986-04-07
MA20287A1 (fr) 1985-07-01
DK163218C (da) 1992-08-31
DK571084A (da) 1985-06-03
JPS60198224A (ja) 1985-10-07
AU582557B2 (en) 1989-04-06
IN162082B (ja) 1988-03-26
US4684417A (en) 1987-08-04
KR910007173B1 (ko) 1991-09-19
ES538162A0 (es) 1985-12-16
EG17267A (en) 1989-06-30
AU3606684A (en) 1985-06-06

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