DK169391B1 - Fremgangsmåde til samling af rør med en korrugeret væg af plast - Google Patents

Fremgangsmåde til samling af rør med en korrugeret væg af plast Download PDF

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Publication number
DK169391B1
DK169391B1 DK080288A DK80288A DK169391B1 DK 169391 B1 DK169391 B1 DK 169391B1 DK 080288 A DK080288 A DK 080288A DK 80288 A DK80288 A DK 80288A DK 169391 B1 DK169391 B1 DK 169391B1
Authority
DK
Denmark
Prior art keywords
tubes
corrugated
wall
ribs
walls
Prior art date
Application number
DK080288A
Other languages
Danish (da)
English (en)
Other versions
DK80288A (da
DK80288D0 (da
Inventor
Thomas Johansson
Aake 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
Publication of DK80288A publication Critical patent/DK80288A/da
Publication of DK80288D0 publication Critical patent/DK80288D0/da
Application granted granted Critical
Publication of DK169391B1 publication Critical patent/DK169391B1/da

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
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • F16L25/0036—Joints for corrugated pipes
    • F16L25/0063—Joints for corrugated pipes with two corrugated pipes being directly connected 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
    • 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
    • B29C65/3424—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 the form of a coil spring
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining 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
    • B29C65/5064—Joining 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
    • B29C65/5071—Joining 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
    • 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
    • B29C65/68—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 using auxiliary shrinkable elements
    • 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
    • B29C66/11—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
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/124—Tongue and groove joints
    • B29C66/1248—Interpenetrating groove 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
    • B29C66/50—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
    • B29C66/63—Internally supporting the article during joining
    • 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
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • F16L25/0036—Joints for corrugated pipes
    • F16L25/0054—Joints for corrugated pipes with specially shaped sealing rings
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining 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
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • 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
    • 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
    • B29L2023/18—Pleated or corrugated hoses
    • 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
    • B29L2024/00—Articles with hollow walls
    • B29L2024/003—Articles with hollow walls comprising corrugated cores
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00—Pipe joints or couplings
    • Y10S285/903—Corrugated

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)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Finishing Walls (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Road Signs Or Road Markings (AREA)
  • Road Paving Structures (AREA)
  • Removal Of Floating Material (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
DK080288A 1986-06-23 1988-02-16 Fremgangsmåde til samling af rør med en korrugeret væg af plast DK169391B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8602760 1986-06-23
SE8602760A SE453374B (sv) 1986-06-23 1986-06-23 Sett att genom vermesvetsning skarva ror med en korrugerad vegg
SE8700291 1987-06-23
PCT/SE1987/000291 WO1987007935A1 (en) 1986-06-23 1987-06-23 Method of joining tubes having a corrugated wall of plastic material

Publications (3)

Publication Number Publication Date
DK80288A DK80288A (da) 1988-02-16
DK80288D0 DK80288D0 (da) 1988-02-16
DK169391B1 true DK169391B1 (da) 1994-10-17

Family

ID=20364877

Family Applications (1)

Application Number Title Priority Date Filing Date
DK080288A DK169391B1 (da) 1986-06-23 1988-02-16 Fremgangsmåde til samling af rør med en korrugeret væg af plast

Country Status (12)

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

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
US7748409B2 (en) 2007-01-31 2010-07-06 Masco Corporation Of Indiana Overmold interface for fluid carrying system
US7717133B2 (en) 2007-01-31 2010-05-18 Masco Corporation Of Indiana Spout tip attachment
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
WO2009158497A1 (en) 2008-06-25 2009-12-30 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
LT3155307T (lt) * 2014-06-11 2020-06-25 Bellapipe Oy Įtaisas plastikiniams vamzdžiams sujungti bei suvirinimo žiedo montavimo į plastikinio vamzdžio griovelį būdas

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
AU596339B2 (en) * 1987-03-06 1990-04-26 Tonen Sekiyukagaku K.K. Plastic pipe and method and apparatus for manufacturing same

Also Published As

Publication number Publication date
FI885944A (fi) 1988-12-22
NO880756L (no) 1988-02-22
SE8602760L (sv) 1987-12-24
JPH01501562A (ja) 1989-06-01
JP2509270B2 (ja) 1996-06-19
EP0311635B1 (en) 1991-10-30
ES2006181A6 (es) 1989-04-16
FI87685C (fi) 1993-02-10
FI87685B (fi) 1992-10-30
ATE69095T1 (de) 1991-11-15
AU602523B2 (en) 1990-10-18
DK80288A (da) 1988-02-16
NO880756D0 (no) 1988-02-22
DK80288D0 (da) 1988-02-16
US5053097A (en) 1991-10-01
SE8602760D0 (sv) 1986-06-23
NO172864C (no) 1993-09-15
WO1987007935A1 (en) 1987-12-30
SE453374B (sv) 1988-02-01
AU7647787A (en) 1988-01-12
DE3774276D1 (de) 1991-12-05
EP0311635A1 (en) 1989-04-19
NO172864B (no) 1993-06-07

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