ATE69095T1 - Verfahren zum verbinden von rohren mit gewellter wand. - Google Patents

Verfahren zum verbinden von rohren mit gewellter wand.

Info

Publication number
ATE69095T1
ATE69095T1 AT87904359T AT87904359T ATE69095T1 AT E69095 T1 ATE69095 T1 AT E69095T1 AT 87904359 T AT87904359 T AT 87904359T AT 87904359 T AT87904359 T AT 87904359T AT E69095 T1 ATE69095 T1 AT E69095T1
Authority
AT
Austria
Prior art keywords
pct
tubes
tube
corrugated wall
corrugation
Prior art date
Application number
AT87904359T
Other languages
English (en)
Inventor
Thomas Johansson
Ake Johansson
Original Assignee
Uponor Nv
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 Uponor Nv filed Critical Uponor Nv
Application granted granted Critical
Publication of ATE69095T1 publication Critical patent/ATE69095T1/de

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0036Joints for corrugated pipes
    • F16L25/0063Joints for corrugated pipes with two corrugated pipes being directly connected to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34Joining 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"
    • B29C65/3404Joining 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
    • B29C65/342Joining 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
    • B29C65/3424Joining 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 the form of a coil spring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5064Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped
    • B29C65/5071Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped and being composed by one single element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/66Joining 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
    • B29C65/68Joining 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 using auxiliary shrinkable elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/114Single butt joints
    • B29C66/1142Single butt to butt joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124Tongue and groove joints
    • B29C66/1248Interpenetrating groove joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General 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
    • B29C66/51Joining 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
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5221Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General 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
    • B29C66/51Joining 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
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5229Joining tubular articles involving the use of a socket
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General 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
    • B29C66/63Internally supporting the article during joining
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0036Joints for corrugated pipes
    • F16L25/0054Joints for corrugated pipes with specially shaped sealing rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34Joining 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"
    • B29C65/3472Joining 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
    • B29C65/3476Joining 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483Reactive adhesives, e.g. chemically curing adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/66Joining 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/18Pleated or corrugated hoses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2024/00Articles with hollow walls
    • B29L2024/003Articles with hollow walls comprising corrugated cores
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00Pipe joints or couplings
    • Y10S285/903Corrugated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Road Paving Structures (AREA)
  • Removal Of Floating Material (AREA)
  • Road Signs Or Road Markings (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
AT87904359T 1986-06-23 1987-06-23 Verfahren zum verbinden von rohren mit gewellter wand. ATE69095T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE8602760A SE453374B (sv) 1986-06-23 1986-06-23 Sett att genom vermesvetsning skarva ror med en korrugerad vegg
EP87904359A EP0311635B1 (de) 1986-06-23 1987-06-23 Verfahren zum verbinden von rohren mit gewellter wand
PCT/SE1987/000291 WO1987007935A1 (en) 1986-06-23 1987-06-23 Method of joining tubes having a corrugated wall of plastic material

Publications (1)

Publication Number Publication Date
ATE69095T1 true ATE69095T1 (de) 1991-11-15

Family

ID=20364877

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87904359T ATE69095T1 (de) 1986-06-23 1987-06-23 Verfahren zum verbinden von rohren mit gewellter wand.

Country Status (12)

Country Link
US (1) US5053097A (de)
EP (1) EP0311635B1 (de)
JP (1) JP2509270B2 (de)
AT (1) ATE69095T1 (de)
AU (1) AU602523B2 (de)
DE (1) DE3774276D1 (de)
DK (1) DK169391B1 (de)
ES (1) ES2006181A6 (de)
FI (1) FI87685C (de)
NO (1) NO172864C (de)
SE (1) SE453374B (de)
WO (1) WO1987007935A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744510A1 (de) * 1987-12-30 1989-07-13 Wilhelm Hegler Rohrverbindungs-element
DE4129855C2 (de) * 1991-09-07 1999-09-16 Wilhelm Hegler Verfahren zum Verschweißen von aus thermoplastischem Kunststoff bestehenden Rohren
US5308123A (en) * 1992-12-21 1994-05-03 Ncr Corporation Corrugated hose coupling
US5494318A (en) * 1993-04-29 1996-02-27 Butts; Nicholas E. Secondary containment system
US5893961A (en) * 1994-01-10 1999-04-13 Big "O" Inc. Backing ring clamping system
KR100219559B1 (ko) * 1996-10-09 1999-09-01 윤종용 신호라인 구동회로 및 이를 구비하는 반도체장치
DE19919440A1 (de) * 1999-04-29 2000-11-02 Vickers Aeroquip Int Gmbh Schlauch mit gewellter Innenfläche und Einschubteil
US20010054820A1 (en) * 2000-06-19 2001-12-27 Starita Joseph M. Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof
US6840285B2 (en) * 2001-04-04 2005-01-11 Hancor, Inc. Corrugation structure for pipe
US8210573B2 (en) * 2001-07-12 2012-07-03 Delmer Dan W C Pipe coupling
US6644357B2 (en) * 2001-11-09 2003-11-11 Advanced Drainage Systems, Inc. Corrugated pipe with improved profile stability
US7011345B2 (en) * 2002-09-27 2006-03-14 The Lamson & Sessions Co. Pipe joint and couplers
US7406980B2 (en) 2005-08-29 2008-08-05 Masco Corporation Of Indiana Waterway connection
US7415991B2 (en) 2005-12-20 2008-08-26 Masco Corporation Of Indiana Faucet spout with water isolating couplings
US8991425B2 (en) 2006-05-26 2015-03-31 Delta Faucet Company Waterway assembly including an overmolded support plate
US7766043B2 (en) 2006-05-26 2010-08-03 Masco Corporation Of Indiana Faucet including a molded waterway assembly
US7717133B2 (en) 2007-01-31 2010-05-18 Masco Corporation Of Indiana Spout tip attachment
US7748409B2 (en) 2007-01-31 2010-07-06 Masco Corporation Of Indiana Overmold interface for fluid carrying system
US7806141B2 (en) 2007-01-31 2010-10-05 Masco Corporation Of Indiana Mixing valve including a molded waterway assembly
CA2725410C (en) 2008-04-10 2016-02-09 Masco Corporation Of Indiana Molded waterway for a two handle faucet
CA2727077C (en) 2008-06-25 2013-10-01 Masco Corporation Of Indiana Centerset faucet with mountable spout
US8104512B2 (en) 2008-09-25 2012-01-31 Masco Corporation Of Indiana Spout tip retention method
IT1400304B1 (it) * 2010-05-28 2013-05-24 Ipm Di Argnani Claudio & C S N C Ora Ipm S R L Sagomatura di taglio dell'estremita' di un tubo corrugato a doppia parete in materia plastica di tipo poliolefine per la saldatura mediante iniezione di un manicotto coassiale al fine di realizzare un giunto del tubo stesso.
US8739826B2 (en) 2011-03-11 2014-06-03 Masco Corporation Of Indiana Centerset faucet body and method of making same
US8931500B2 (en) 2012-02-17 2015-01-13 Masco Corporation Of Indiana Two handle centerset faucet
EP3155307B1 (de) * 2014-06-11 2020-04-01 Bellapipe Oy Vorrichtung zur verbindung von kunststoffrohren sowie verfahren zur einbringung von einem schweissring in eine nut eines kunststoffrohrs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061503A (en) * 1956-10-29 1962-10-30 Dow Chemical Co Method of joining pipes by means of an electrically heatable sleeve
US3865662A (en) * 1973-04-06 1975-02-11 Allied Chem Method for sealing shell-like thermoplastic objects
JPS52977A (en) * 1975-06-24 1977-01-06 Dainippon Ink & Chemicals Method of joining thermoplastic resin bellow pipes
US4037626A (en) * 1975-09-15 1977-07-26 Standard Oil Company (Indiana) High strength composite pipe structure having leakproof joints
US4202568A (en) * 1975-09-25 1980-05-13 Ab Gustavsberg Tube joint
SE411862B (sv) * 1977-12-19 1980-02-11 Flink Axel Birger Sett och anordning for att med varandra genom vermesvetsning forena tva rorformade element
SE425519B (sv) * 1980-11-10 1982-10-04 Jelbring Hans Anordning for att astadkomma en stumsvetsfog mellan tva ror utfora i plast
DE8234897U1 (de) * 1982-12-11 1983-06-09 Oltmanns Ziegel Und Kunststoffe Gmbh, 2905 Edewecht Leitungsrohr fuer eine kanalgrundrohrleitung
SE446954B (sv) * 1985-03-12 1986-10-20 Uponor Ab Sett vid extrudering av ett dubbelveggigt plastror samt extruderingsverktyg for utovning av settet
SE8600964L (sv) * 1986-03-04 1987-09-05 Uponor Ab Ror for infodring av markforlagda rorledningar
US4824502A (en) * 1987-03-06 1989-04-25 Uc Industry Co., Ltd. Method and apparatus for manufacturing a plastic pipe

Also Published As

Publication number Publication date
NO172864B (no) 1993-06-07
EP0311635A1 (de) 1989-04-19
DE3774276D1 (de) 1991-12-05
ES2006181A6 (es) 1989-04-16
JP2509270B2 (ja) 1996-06-19
NO880756L (no) 1988-02-22
FI885944A (fi) 1988-12-22
NO880756D0 (no) 1988-02-22
DK80288A (da) 1988-02-16
DK80288D0 (da) 1988-02-16
JPH01501562A (ja) 1989-06-01
FI87685C (fi) 1993-02-10
DK169391B1 (da) 1994-10-17
SE453374B (sv) 1988-02-01
US5053097A (en) 1991-10-01
AU7647787A (en) 1988-01-12
SE8602760L (sv) 1987-12-24
NO172864C (no) 1993-09-15
FI87685B (fi) 1992-10-30
AU602523B2 (en) 1990-10-18
WO1987007935A1 (en) 1987-12-30
SE8602760D0 (sv) 1986-06-23
EP0311635B1 (de) 1991-10-30

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