CH671819A5 - - Google Patents

Download PDF

Info

Publication number
CH671819A5
CH671819A5 CH3091/86A CH309186A CH671819A5 CH 671819 A5 CH671819 A5 CH 671819A5 CH 3091/86 A CH3091/86 A CH 3091/86A CH 309186 A CH309186 A CH 309186A CH 671819 A5 CH671819 A5 CH 671819A5
Authority
CH
Switzerland
Prior art keywords
sleeve
pipe
welding
jacket
casing
Prior art date
Application number
CH3091/86A
Other languages
German (de)
English (en)
Inventor
Ernst Kaufmann
Original Assignee
Meier Schenk 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 Meier Schenk Ag filed Critical Meier Schenk Ag
Priority to CH3091/86A priority Critical patent/CH671819A5/de
Priority to DE19873720577 priority patent/DE3720577A1/de
Publication of CH671819A5 publication Critical patent/CH671819A5/de

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
    • B29C65/342—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
    • B29C65/3428—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 said at least a single wire having a waveform, e.g. a sinusoidal form
    • 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
    • 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
    • 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
    • B29C66/50—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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53241—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being tubular and said substantially annular single elements being of finite length relative to the infinite length of said tubular articles
    • 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
    • B29C66/723—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 multi-layered
    • 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
    • B29C66/727—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 porous, e.g. foam
    • 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
    • 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
    • F16L47/20—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics
    • F16L47/22—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics using shrink-down material
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • F16L59/18—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints
    • F16L59/20—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints for non-disconnectable joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B29L2023/225—Insulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
CH3091/86A 1986-07-31 1986-07-31 CH671819A5 (enrdf_load_stackoverflow)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH3091/86A CH671819A5 (enrdf_load_stackoverflow) 1986-07-31 1986-07-31
DE19873720577 DE3720577A1 (de) 1986-07-31 1987-06-22 Schweissmanschette zur herstellung einer rohrverbindung und verwendung dieser schweissmanschette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3091/86A CH671819A5 (enrdf_load_stackoverflow) 1986-07-31 1986-07-31

Publications (1)

Publication Number Publication Date
CH671819A5 true CH671819A5 (enrdf_load_stackoverflow) 1989-09-29

Family

ID=4248421

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3091/86A CH671819A5 (enrdf_load_stackoverflow) 1986-07-31 1986-07-31

Country Status (2)

Country Link
CH (1) CH671819A5 (enrdf_load_stackoverflow)
DE (1) DE3720577A1 (enrdf_load_stackoverflow)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4444914C2 (de) * 1994-12-16 1997-01-02 Hewing Gmbh Verfahren zum Verbinden eines Kunststoff-Schweißfittings mit einem Kunststoffrohr, Kunststoff-Schweißfitting zur Durchführung dieses Verfahrens und Kunststoff-Schweißverbindung
GB9505303D0 (en) * 1995-03-16 1995-05-03 Raychem Sa Nv Pipe joint covering
AR002142A1 (es) * 1995-05-31 1998-01-07 Raychem Sa Nv Un articulo tubular termo-contraible, un conjunto de partes que lo incluye, un metodo para fabricarlo y un metodo para cubrir una union con el mismo.
US5755465A (en) * 1995-11-01 1998-05-26 Raychem Corporation Heat recoverable article and method for sealing splices
FI102636B1 (fi) * 1996-03-05 1999-01-15 Uponor Bv Menetelmä muovimateriaalia olevien putkien liittämiseksi, menetelmässä käytettävä liitosrengas sekä muoviputkiliitos
US6521072B1 (en) 1996-05-28 2003-02-18 C&S Intellectual Properties, Llc Method of coupling profile wall thermoplastic pipes
US6131954A (en) * 1996-05-28 2000-10-17 Campbell; Steve Weldable couple for electrofusion coupling of profile wall thermoplastic pipes without a separate coupler
US5820720A (en) * 1996-05-28 1998-10-13 Campbell; Steve Method of and apparatus for electrofusion coupling of thermoplastic pipes
DE19623353C1 (de) * 1996-06-12 1998-01-29 Manibs Spezialarmaturen Schelle für ein aus thermisch schweißfähigem Material bestehendes Leitungsrohr
DE19652712C1 (de) * 1996-12-18 1998-02-05 Bem Gmbh Verbindung von Doppelrohren
DE10211703B4 (de) * 2002-03-16 2011-03-10 Brugg Rohr Ag, Holding Verfahren zur Herstellung einer feuchtigkeitsdichten Verbindung
DE102007014049B3 (de) * 2007-03-21 2008-12-04 Friatec Ag Ausgleichselement zum Verbinden von Bauteilen
DE102010015462C5 (de) * 2010-04-16 2022-03-31 isoplus Fernwärmetechnik GmbH Verfahren zum Verbinden von ummantelten Rohren mit Anbringung einer Diffusionssperrschicht und Kunststoffmantelrohr
NL1040210C2 (nl) * 2013-05-14 2014-11-24 C C Rombouts Kunststof Techniek Holding B V Werkwijze voor het tegengaan van vochtmigratie in een thermisch geïsoleerde buis, alsmede volgens deze werkwijze vervaardigde buis.
EP3209483B1 (en) * 2014-10-24 2020-09-30 Shawcor Ltd Method of attaching a casing to an outer surface jacket of a pipeline at a pipe joint
DE102015116313A1 (de) 2015-09-25 2017-03-30 Berkenhoff Gmbh Verwendung eines mit einer Isolationsschicht versehenen Widerstandsdrahts für eine Elektroschweißmuffe
EP3026318B1 (de) 2015-12-23 2018-02-14 TI Automotive (Fuldabrück) GmbH Verbinder mit montagehilfe sowie verfahren zur herstellung dieses verbinders
US11231136B2 (en) 2019-07-22 2022-01-25 Ronald V. Andronaco Flangeless coupler fused inside opposing ends of conduits
US12297938B2 (en) 2021-06-17 2025-05-13 Ethylene, Llc Conduit coupler for coupling stub end conduits

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH396536A (de) * 1962-10-30 1965-07-31 Rollmaplast Ag Kunststoff-Schweissmuffe und Verfahren zu ihrer Herstellung
CH532996A (de) * 1971-12-03 1973-01-31 Fischer Ag Georg Verfahren und Einrichtung zum Verschweissen mindestens eines Sattelstückes mit der Mantelfläche eines Kunststoffrohres
DK538579A (da) * 1979-12-18 1981-06-19 Moeller I C Fremgangsmaade til samling af praefabrikerede varmeisolerende roer
CH644054A5 (de) * 1980-03-31 1984-07-13 Fischer Ag Georg Schweissmuffe fuer thermoplastische materialien, verfahren und vorrichtung zu deren herstellung.
DE3110503A1 (de) * 1981-03-18 1982-10-07 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover "verfahren zur herstellung einer verbindungsstelle fuer waermeisolierte leitungsrohre
DE3217820A1 (de) * 1981-09-29 1983-04-21 Von Roll AG, 4563 Gerlafingen Rohrverbindung fuer rohrleitungen aus isolierten doppelrohren

Also Published As

Publication number Publication date
DE3720577A1 (de) 1988-02-04

Similar Documents

Publication Publication Date Title
CH671819A5 (enrdf_load_stackoverflow)
EP0075901B1 (de) Verfahren zum Verbinden von Mantelrohren zweier isolierter Leitungselemente und Verbindungsrohr zur Durchführung des Verfahrens
DE2724981C3 (de) Schweißring zur Verbindung von Kunststoff rohren
DE8318686U1 (de) Schweissformstueck zur verbindung vorgefertigter waermeisolierter rohrleitungen
DE3307161A1 (de) Bifilares widerstandselement, aus diesem hergestelltes heizelement sowie verfahren zur herstellung eines heizelements aus diesem widerstandselement
CH645449A5 (de) Elektrisch schweissbare muffe zum verbinden von leitungselementen.
DE19543083C2 (de) Verfahren zum Verbinden aus schweißfähigem Kunststoff bestehender Wellrohre
DE60010003T2 (de) Elektroschweissmuffe und Verfahren zu ihrer Herstellung
EP0029632B1 (de) Verfahren zum Verbinden mediumführender, vorisolierter Rohrstücke und durch dieses Verfahren verbundene Rohrstücke
DE3604972C2 (de) Muffenverbindung für wärmeisolierte Leitungsrohre
DE3112101C2 (de) Einrichtung für den Zusammenschluß von Wellrohrenden einer trommelbaren Koaxial-Wellrohr-Fernheizleitung
DE19611883A1 (de) Rohr, insbesondere Wickelrohr
DE3307457A1 (de) Vorrichtung zum elastischen verbinden zweier mit kunststoff ummantelter rohrleitungen
DE19652712C1 (de) Verbindung von Doppelrohren
DE2827416A1 (de) Rohrleitung aus waermeisolierten rohren
DE19707176C2 (de) Verbindungsanordnung von Kunststoff-Mantelrohren in Fernwärmeleitungen
DE4432199A1 (de) Verfahren zum Verbinden eines Kunststoff-Rohres mit einer Kunststoff-Muffe
EP0081667A1 (de) Kompensatorfrei verlegbare Fernwärmeleitung
DE2931375A1 (de) Schlauchfoermige garnitur fuer elektrische kabel und rohrleitungen
EP0278050B1 (de) Muffenverbindung für wärmeisolierte Leitungsrohre
DE2610297A1 (de) Verfahren zur herstellung einer unloesbaren verbindung zwischen gewellten metallrohren
DE102019115298A1 (de) Kupplungsring, Schweiβring und Verbindungsmittel, um zwei Abwasserrohre aus thermoplastischem Material miteinander zu verbinden sowie Abwasserrohrkupplung
DE102014111381B4 (de) Verfahren zur Nachumhüllung eines Rohrformteils
DE19547507A1 (de) Rohr oder dgl. Formstück mit Elektromuffe, Verfahren zur Herstellung der Elektromuffe und Verfahren zur Herstellung einer Verbindung zwischen derartigen Rohren oder dgl. Formstücke
DE2716316A1 (de) Verfahren zur herstellung einer muffe sowie halbschalen

Legal Events

Date Code Title Description
PL Patent ceased