DE3468506D1 - Coupling devices for use with electrofusion fittings of thermoplastic material - Google Patents

Coupling devices for use with electrofusion fittings of thermoplastic material

Info

Publication number
DE3468506D1
DE3468506D1 DE8484307996T DE3468506T DE3468506D1 DE 3468506 D1 DE3468506 D1 DE 3468506D1 DE 8484307996 T DE8484307996 T DE 8484307996T DE 3468506 T DE3468506 T DE 3468506T DE 3468506 D1 DE3468506 D1 DE 3468506D1
Authority
DE
Germany
Prior art keywords
thermoplastic material
coupling devices
electrofusion fittings
electrofusion
fittings
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
DE8484307996T
Other languages
German (de)
English (en)
Inventor
Alan Johnson
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.)
BG Group Ltd
Original Assignee
British Gas 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 British Gas Corp filed Critical British Gas Corp
Application granted granted Critical
Publication of DE3468506D1 publication Critical patent/DE3468506D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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"
    • B29C65/3468—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—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
    • B29C66/50—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
    • B29C66/9161—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
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
DE8484307996T 1983-12-16 1984-11-19 Coupling devices for use with electrofusion fittings of thermoplastic material Expired DE3468506D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8333550A GB2151858B (en) 1983-12-16 1983-12-16 Coupling including means for identifying heat-sealable fittings having a socket (8)

Publications (1)

Publication Number Publication Date
DE3468506D1 true DE3468506D1 (en) 1988-02-11

Family

ID=10553383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484307996T Expired DE3468506D1 (en) 1983-12-16 1984-11-19 Coupling devices for use with electrofusion fittings of thermoplastic material

Country Status (6)

Country Link
US (2) US4639580A (enExample)
EP (1) EP0151340B1 (enExample)
JP (1) JPS60157833A (enExample)
DE (1) DE3468506D1 (enExample)
GB (1) GB2151858B (enExample)
HK (1) HK83392A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571488A (en) * 1985-01-29 1986-02-18 E. I. Du Pont De Nemours And Company Heat-fusion pipe fitting system
JP2513757B2 (ja) * 1988-01-07 1996-07-03 日立金属株式会社 電気融着式プラスチック管の接続方法
JPH0536669Y2 (enExample) * 1987-10-22 1993-09-16
CH675391A5 (enExample) * 1988-07-04 1990-09-28 Fischer Ag Georg
GB8910509D0 (en) * 1989-05-08 1989-06-21 British Gas Plc Identification of electro-fusion fittings
EP0409226A3 (en) * 1989-07-21 1993-01-13 Hitachi, Ltd. Power supply control system
CH687161A5 (de) * 1994-01-10 1996-09-30 Fischer Georg Rohrleitung Elektrisch schweissbares Formteil aus Kunststoff.
CH691439A5 (de) 1996-03-28 2001-07-31 Fischer G Rohrleitungssysteme Ag Elektroschweissautomat
US6883835B2 (en) 2001-03-05 2005-04-26 Basic Resources, Inc. Polyfusion pipe repair system and method
US6870143B2 (en) * 2002-04-18 2005-03-22 Basic Resources, Inc. System and method for encapsulating a pipe
US6858822B1 (en) 2002-08-02 2005-02-22 Dave Emerson Surface analysis preceding electrofusion of thermoplastics
US6825448B2 (en) * 2003-05-01 2004-11-30 Applied Materials, Inc. Low residual-stress brazed terminal for heater
US20060202471A1 (en) * 2005-03-07 2006-09-14 Weisbond Bradley K Electro-fusion joining system for thermoplastic piping systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB805948A (en) * 1955-05-26 1958-12-17 Hollins J R Two-part electrical connector
AT321809B (de) * 1971-06-04 1975-04-25 Freya Plastic Delbrouck F Stapelbare Obst- oder Gemüsesteige
JPS52121488A (en) * 1976-04-02 1977-10-12 Yec Kk Power controll equipment for heat sealer
CH627962A5 (de) * 1978-04-28 1982-02-15 Werner Sturm Verfahren und geraet zum verbinden thermoplastischer leitungselemente.
JPS5686715A (en) * 1979-12-17 1981-07-14 Chubu Kikai Seisakusho:Kk Method and device for pasting pull tab to paper container
DE3268829D1 (en) * 1981-09-30 1986-03-13 Fusion Plastics Ltd Electro-fusion fitting
CH653611A5 (de) * 1981-12-23 1986-01-15 Fischer Ag Georg Verfahren und geraet zum verschweissen von leitungselementen.
EP0093821B1 (de) * 1982-05-12 1987-05-06 Geberit AG Schweissmuffe
GB2124438A (en) * 1982-05-26 1984-02-15 British Gas Corp Coupling including device for identifying heat-sealable fittings

Also Published As

Publication number Publication date
EP0151340A1 (en) 1985-08-14
GB2151858A (en) 1985-07-24
USRE33716E (en) 1991-10-15
HK83392A (en) 1992-11-06
GB8333550D0 (en) 1984-01-25
JPS60157833A (ja) 1985-08-19
GB2151858B (en) 1987-10-28
EP0151340B1 (en) 1988-01-07
JPS6343219B2 (enExample) 1988-08-29
US4639580A (en) 1987-01-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BG PLC, LONDON, GB

8339 Ceased/non-payment of the annual fee