NO311952B1 - Fremgangsmåte for fremstilling av en rörledningsforbindelse av polyolefin, og en slik rörledningsforbindelse - Google Patents

Fremgangsmåte for fremstilling av en rörledningsforbindelse av polyolefin, og en slik rörledningsforbindelse Download PDF

Info

Publication number
NO311952B1
NO311952B1 NO19940672A NO940672A NO311952B1 NO 311952 B1 NO311952 B1 NO 311952B1 NO 19940672 A NO19940672 A NO 19940672A NO 940672 A NO940672 A NO 940672A NO 311952 B1 NO311952 B1 NO 311952B1
Authority
NO
Norway
Prior art keywords
pipe
pipe end
polyolefin
ambient temperature
connecting part
Prior art date
Application number
NO19940672A
Other languages
English (en)
Norwegian (no)
Other versions
NO940672D0 (no
NO940672L (no
Inventor
Friedrich Imgram
Original Assignee
Wirsbo Pex 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8207102&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO311952(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wirsbo Pex Gmbh filed Critical Wirsbo Pex Gmbh
Publication of NO940672D0 publication Critical patent/NO940672D0/no
Publication of NO940672L publication Critical patent/NO940672L/no
Publication of NO311952B1 publication Critical patent/NO311952B1/no

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
    • B29C65/66—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined
    • 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
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1226—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least one bevelled joint-segment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52297—Joining tubular articles involving the use of a socket said socket comprising slip-off prevention means
    • 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
    • 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
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Details Of Indoor Wiring (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NO19940672A 1991-08-31 1994-02-25 Fremgangsmåte for fremstilling av en rörledningsforbindelse av polyolefin, og en slik rörledningsforbindelse NO311952B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP91114686A EP0530387B2 (de) 1991-08-31 1991-08-31 Rohrleitungsverbindung und Verfahren zur Herstellung von Rohrleitungsverbindungen aus Polyolefin
PCT/EP1992/001923 WO1993005332A1 (de) 1991-08-31 1992-08-21 Rohrleitungsverbindung und verfahren zur herstellung von rohrleitungsverbindungen aus polyolefin

Publications (3)

Publication Number Publication Date
NO940672D0 NO940672D0 (no) 1994-02-25
NO940672L NO940672L (no) 1994-02-25
NO311952B1 true NO311952B1 (no) 2002-02-18

Family

ID=8207102

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19940672A NO311952B1 (no) 1991-08-31 1994-02-25 Fremgangsmåte for fremstilling av en rörledningsforbindelse av polyolefin, og en slik rörledningsforbindelse

Country Status (23)

Country Link
EP (1) EP0530387B2 (el)
JP (1) JP3223977B2 (el)
KR (1) KR100250347B1 (el)
AT (1) ATE129795T1 (el)
AU (1) AU669665B2 (el)
CA (1) CA2116561A1 (el)
CZ (1) CZ286291B6 (el)
DE (1) DE59106833D1 (el)
DK (1) DK0530387T4 (el)
ES (1) ES2081406T5 (el)
FI (1) FI940864A0 (el)
GR (2) GR3018275T3 (el)
HK (1) HK100096A (el)
HU (1) HU215296B (el)
IL (1) IL102958A (el)
NO (1) NO311952B1 (el)
NZ (1) NZ244134A (el)
PL (1) PL170053B1 (el)
PT (1) PT100823B (el)
SK (1) SK282175B6 (el)
TR (1) TR27381A (el)
WO (1) WO1993005332A1 (el)
ZA (1) ZA926585B (el)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398725B (de) * 1992-10-21 1995-01-25 Schnallinger Helfried Ing Verfahren zum herstellen von endmuffen an kunststoffrohren
DE4310000C2 (de) * 1993-03-27 2002-03-28 Wirsbo Pex Gmbh Rohrleitungsverbindung, Rohrleitungsverbinder und Verwendung einer Hydraulikvorrichtung zur Herstellung von Rohrleitungsverbindungen
DE9417116U1 (de) * 1994-10-25 1995-01-19 Wirsbo Rohrproduktion und Vertriebs-GmbH, 63150 Heusenstamm Mehrfach-Rohrverbindungsteil
FI108574B (fi) * 1995-06-09 2002-02-15 Uponor Suomi Oy Putkien välinen puristusliitos
DE69807191T2 (de) * 1998-06-11 2003-04-17 Sica S.P.A., Alfonsine Werkzeug mit mehreren Betriebsstufen zum Formen von stabilen Muffen an Enden von thermoplastischen Kunststoffrohren
FI20020107A0 (fi) 2002-01-21 2002-01-21 Uponor Innovation Ab Putkiyhde
JP2005180662A (ja) * 2003-12-22 2005-07-07 Honda Motor Co Ltd 樹脂チューブ付クイックコネクタ
EP1741968A1 (en) 2005-07-08 2007-01-10 Uponor Innovation Ab Clamping ring
FI119657B (fi) * 2006-08-25 2009-01-30 Uponor Innovation Ab Menetelmä ja sovitelma putken liittämiseksi liitoskappaleeseen ja putkiliitos
US8431067B2 (en) * 2007-03-06 2013-04-30 Mercury Plastics, Inc. Method for making a reservoir
EP2170583B1 (en) 2007-07-02 2013-09-04 Uponor Innovation AB Method of forming a clamping ring
US8146225B2 (en) 2007-12-14 2012-04-03 Uponor Innovation Ab Method of forming a clamping ring and a clamping ring
EP2481966A1 (en) 2011-02-01 2012-08-01 Uponor Innovation AB Clamping ring
US11543065B2 (en) 2016-09-02 2023-01-03 Zurn Industries, Llc Extruded cold-expansion compression collar
US11541581B2 (en) 2016-09-02 2023-01-03 Zurn Industries, Llc Injection molded cold-expansion compression collar
US11054076B2 (en) 2016-11-04 2021-07-06 Zurn Industries, Llc Reinforcing ring with sleeve
CN107696390B (zh) 2017-11-01 2019-07-12 乐清市东博机电有限公司 一种制造夹紧环的方法及其制造夹紧环的设备、注塑机
FR3114860B1 (fr) 2020-10-05 2022-08-19 Stelia Aerospace Conduite de fluide pour aéronef comprenant une canalisation thermoplastique et un connecteur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE390802B (sv) * 1973-11-27 1977-01-24 Atomenergi Ab Forfarande for sammanfogning av detaljer av fornetade polymerer
EP0102919A3 (de) * 1982-08-30 1985-05-22 HUBER & SUHNER AG KABEL-, KAUTSCHUK-, KUNSTSTOFF-WERKE Verfahren zum Verbinden von Rohren und danach hergestellte Rohrverbindung
FR2555283B1 (fr) * 1983-11-22 1986-08-22 Gresle Paul Systeme de raccordement de tubes
DE3817442C2 (de) * 1988-05-21 1994-02-03 Platzer Schwedenbau Gmbh Schellenlose Rohrleitungsverbindung

Also Published As

Publication number Publication date
WO1993005332A1 (de) 1993-03-18
DK0530387T4 (da) 2000-04-17
FI940864A (fi) 1994-02-24
PT100823A (pt) 1994-05-31
ES2081406T3 (es) 1996-03-01
SK21594A3 (en) 1994-08-10
EP0530387B2 (de) 1999-10-06
CA2116561A1 (en) 1993-03-18
IL102958A (en) 1995-07-31
NO940672D0 (no) 1994-02-25
EP0530387A1 (de) 1993-03-10
HK100096A (en) 1996-06-14
AU669665B2 (en) 1996-06-20
ES2081406T5 (es) 2000-01-16
DE59106833D1 (de) 1995-12-07
CZ32294A3 (en) 1994-05-18
SK282175B6 (sk) 2001-11-06
ZA926585B (en) 1993-03-12
IL102958A0 (en) 1993-01-31
HUT69886A (en) 1995-09-28
HU215296B (hu) 1998-11-30
EP0530387B1 (de) 1995-11-02
KR100250347B1 (ko) 2000-04-01
GR3018275T3 (en) 1996-02-29
CZ286291B6 (cs) 2000-03-15
PL170053B1 (pl) 1996-10-31
ATE129795T1 (de) 1995-11-15
AU2440192A (en) 1993-04-05
FI940864A0 (fi) 1994-02-24
HU9400390D0 (en) 1994-05-30
PT100823B (pt) 2001-05-31
GR3032196T3 (en) 2000-04-27
DK0530387T3 (da) 1996-03-04
JP3223977B2 (ja) 2001-10-29
NO940672L (no) 1994-02-25
KR940702257A (ko) 1994-07-28
JPH06509994A (ja) 1994-11-10
NZ244134A (en) 1994-07-26
TR27381A (tr) 1995-02-01

Similar Documents

Publication Publication Date Title
NO311952B1 (no) Fremgangsmåte for fremstilling av en rörledningsforbindelse av polyolefin, og en slik rörledningsforbindelse
US5735554A (en) Tube conduit connection and method of producing the same from polyolefins
NO312183B1 (no) Fremgangsmåte for fremstilling av en varmegjenvinnbar artikkel
WO1998041790A1 (en) Method for making a pipe connection, and a pipe connection
GB2136524A (en) Reinsulation of pipe joints
EP0226410A2 (en) Method of making a plastic-lined pipe
JPS5887015A (ja) 被覆鋼管の接続部の被覆保護層形成方法
JPS6341678B2 (el)
US4981541A (en) Method for joining polyolefin pipes by fusion
DE4130167A1 (de) Verbundrohr und verfahren zu seiner herstellung und rohrleitungsverbindung aus dem verbundrohr
CN2491683Y (zh) 热收缩管件
EP0668145B1 (en) Method and apparatus for producing a plastic pipe and a plastic pipe
HU219524B (hu) Csővezeték-kapcsolat, csővezeték-összekötő tag, valamint eljárás csővezeték-kapcsolat kialakítására
DE4025840C3 (de) Verfahren zur Herstellung von Rohrleitungsverbindungen aus Polyolefin
EP0537239B1 (en) Method and installation for fitting an inner tube in an existing pipeline
JPS59188409A (ja) 埋設管内面被覆方法
CN218914141U (zh) 一种排污管熔焊接头
JPH0629591Y2 (ja) 樹脂管の分岐部
JPH05141582A (ja) 管継手
JPH0454397A (ja) ポリエチレン製配管パイプの接続方法及び接続パイプ
EP0595883A1 (en) Method of joining pipes and pipe joint
JPS591491B2 (ja) 二重管製造方法
JP2004066647A (ja) 管路の更生方法
JPS5964346A (ja) 熱回復性合成樹脂製波形チユ−ブ及びその被覆方法
JPS628264B2 (el)

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN FEBRUARY 2003