WO1992020504A1 - Tuyau de rechange durci par ultrasons et procede d'installation - Google Patents

Tuyau de rechange durci par ultrasons et procede d'installation Download PDF

Info

Publication number
WO1992020504A1
WO1992020504A1 PCT/US1992/004361 US9204361W WO9220504A1 WO 1992020504 A1 WO1992020504 A1 WO 1992020504A1 US 9204361 W US9204361 W US 9204361W WO 9220504 A1 WO9220504 A1 WO 9220504A1
Authority
WO
WIPO (PCT)
Prior art keywords
replacement pipe
pipe
replacement
existing pipeline
resin
Prior art date
Application number
PCT/US1992/004361
Other languages
English (en)
Inventor
Brian Chandler
Douglas K. Chick
Norman Bellamy
Original Assignee
Sonic-Curing Inc.
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 Sonic-Curing Inc. filed Critical Sonic-Curing Inc.
Publication of WO1992020504A1 publication Critical patent/WO1992020504A1/fr

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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
    • F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
    • F16L55/1654—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being inflated
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0261—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using ultrasonic or sonic vibrations
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0065—Heat treatment
    • B29C63/0069—Heat treatment of 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26—Lining or sheathing of internal surfaces
    • B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
    • B29C63/343—Lining or sheathing of internal surfaces using tubular layers or sheathings the tubular sheathing having a deformed non-circular cross-section prior to introduction
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26—Lining or sheathing of internal surfaces
    • B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
    • B29C63/36—Lining or sheathing of internal surfaces using tubular layers or sheathings being turned inside out

Definitions

  • the invention accordingly comprises the several steps and the relation of one or more of such steps with respect to each of the others, and the apparatus and pipe embodying features of construction, combinations of elements and arrangements of parts which are adapted to effect such steps, all as exemplified in the following detailed disclosure, and the scope of the invention will be indicated in the claims.
  • FIGS. 1A, IB and 1C are schematic diagrams illustrating steps of installing replacement pipe in an existing pipeline in accordance with an embodiment of the invention
  • FIGS. 2A, 2B and 2C are schematic diagrams illustrating steps of installing replacement pipe in an existing pipeline in accordance with another embodiment of the invention.
  • FIGS. 3A, 3B and 3C are schematic diagrams illustrating steps of installing replacement pipe in an existing pipeline in accordance with another embodiment of the invention.
  • FIGS. 4A, 4B and 4C are schematic diagrams illustrating steps of installing replacement pipe in an existing pipeline in accordance with another embodiment of the invention.
  • FIG. 5 is a plan view of an ultrasonic curing device suitable for use in curing in accordance with the invention.
  • a replacement pipe in accordance with an embodiment of the invention is formed with a resin section disposed on one or between two lining layers. At least the inner liner should be an impermeable membrane.
  • the resin section can include a carrier impregnated with curable resin material.
  • Thermosetting resin compositions such as allyl, bismaleimide, epoxy, phenolic, polyester, polyamide, polyurethane or silicone resins and combinations thereof that will cure upon application of ultrasonic energy are acceptable.
  • the carrier can be any acceptable fibrous material, such as felt and the like and the resin section will become rigid and strong when the resin is cured.
  • Thermosetting unsaturated polyester resin compositions are particularly well suited to be included in the resin section of replacement pipe constructed in accordance with the invention.
  • Unsaturated polyesters are extremely versatile and can be acceptably rigid, corrosion resistant and weather resistant for pipe applications.
  • Such unsaturated polyesters have been used in widely diverse applications, such as in constructing boats, exterior automotive parts and bowling balls.
  • Unsaturated polyester resins consist of an unsaturated polyester dissolved in cross-linking monomer and containing an inhibitor to prevent cross-linking until the resin is to be cured.
  • Unsaturated polyester is the condensation product of an unsaturated dibasic acid (typically maleic anhydride) and a glycol. The degree of unsaturation is varied by including a saturated dibasic acid such as phthalic anhydride, isophthalic acid, or adipic acid.
  • the glycol is usually propylene glycol, ethylene glycol, diethylene glycol, dipropylene glycol, neopentyl glycol and combinations thereof.
  • Styrene is a particularly well suited cross-linking monomer.
  • cross-linking monomers include vinyl toluene, methacrylate, alpha methyl styrene and diallyl phthalate.
  • Conventional inhibitors include hydroquinone, parabenzoquinone and tertiary butyl catechol.
  • chemical resistance can be achieved by using isophthalic acid, neopentyl glycol, trimethyl pentanediol and hydrogenated bisphenol A.
  • Weathering resistance can be improved by using neopentyl glycol, methyl methacrylate and ultraviolet absorbers such as benzophenones and benzotriazoles.
  • the resin component can also include a curing promoter.
  • the promoter causes the organic peroxide to decompose and form free radicals.
  • Cobalt octoate is an appropriate promoter, especially when methyl ethyl ketone peroxide (MEKP) is used as the catalyst. Diethylaniline or dimethylaniline are acceptable promoters when benzoyl peroxide is used as the catalyst.
  • High molecular weight epoxy resins which can be classified as poly(hydroxy ethers) , contain low concentrations of epoxy end groups. They are cured via the hydroxyl groups, typically with aminoplasts (melamine or urea-formaldehyde resins) or phenoplasts (phenol-formaldehyde resins) at elevated temperatures.
  • aminoplasts melamine or urea-formaldehyde resins
  • phenoplasts phenol-formaldehyde resins
  • thermosetting resin compositions formulated without initiators or retardants, provide a particularly well suited resin material for replacement pipes having long pot-life and can be cured by application of ultrasonic waves.
  • the pot-life of a resin composition used in conventional replacement pipes can be increased significantly by using considerably less, such as less than 50% of a conventional amount of initiator.
  • cure initiators should be chosen to give the resin a long pot-life and for their chemical sensitivity to ultrasound.
  • Conventional resin formulations for replacement pipes include initiators having activation temperatures in the range of about 40-60°C.
  • pot-life can be increased by employing initiators having activation temperatures in the range of 100-200 ⁇ C and more preferably 100-150"C.
  • the resin should not be heated to the extent that it will begin to degrade. This will enable the replacement pipe liner to be wet out in quality controlled factory conditions and to be safe from curing until activated with ultrasound.
  • the carrier can be combined with the resin material by charging a quantity of resin into the inside portion of a carrier tube and if necessary, by applying vacuum to the tube to remove air from the carrier.
  • the tube can then be compressed, such as by passing the tube through nip rollers in order to insure even distribution of the resin in the carrier material.
  • the generation of ultrasound waves is normally by electrically driven transducers employing piezoelectric ceramic elements. These piezoelectric elements, such as PZT disks, expand and contract when subjected to reversing electric voltage.
  • the piezoelectric elements can be sandwiched between metallic disks to form transducers that can be tuned to generate particular frequencies of ultrasound.
  • a 25 kHz transducer immersed in water will transmit an ultrasonic wave at 1450 m/s having a wavelength of 5.8 cm for hundreds of meters. If the transducer is positioned in a pipe filled with water, reflections will take place at the pipe walls and complex propagation will take place within the pipe, including guided and standing waves. It can be advantageous to line the walls of the existing pipeline with high density material to enhance the ultrasound cure effectiveness.
  • the length of existing pipeline to be repaired is cleaned by access through local manholes.
  • the natural flow of liquid through the pipeline is typically bypassed so that installation can be accomplished in an empty pipe.
  • installation methods in accordance with the invention are advantageous when this cannot be accomplished.
  • a supply of replacement pipe 10 is delivered to a manhole 15 in a layered condition on a roll 11 or on a pallet, which can include a winching system.
  • replacement pipe 10 can be delivered to manhole 15 in a folded pack.
  • An existing pipeline 20 to be relined can have liquid such as water flowing therethrough in the direction of an arrow A. If fluids are to continue to flow through existing pipeline 20 during installation of replacement pipe 10, pipe 10 should be installed in the direction of fluid flow.
  • FIGS. 1A-1C illustrate steps of the pull-in installation method in accordance with an embodiment of the invention.
  • a rope 13 is fed from a leading end 18 of replacement pipe 10, down manhole 15, through existing pipeline 20 and out through a downstream manhole 16 where it is pulled by a takeup winch 12.
  • Replacement pipe 10 is then pulled into position between manholes 15 and 16 as shown in FIG. IB.
  • a sealing ring 17a is provided for securing pipe 10 in position after insertion into existing pipeline 20. Fluid flowing in the direction of arrow A will inflate replacement pipe 10.
  • An inflatable or mechanical valve device 21 is positioned at downstream manhole 16 to control fluid pressure and thereby control the inflation of replacement pipe 10. During inflation, fluid will back-up in manhole 15 as the pressure within replacement pipe 10 builds up.
  • replacement pipe 10 after replacement pipe 10 is inflated, it is maintained in an expanded tubular shape by application of internal pressure from fluid within pipe 10.
  • Rope 13 can then be used to pull an ultrasonic transducer 25 through replacement pipe 10 to ultrasonically cure replacement pipe 10.
  • rigid replacement pipe 10* After one pass of ultrasonic transducer 25, rigid replacement pipe 10* will be a smooth and shiny structural liner that is resistant to wear and chemical action. The ends of rigid replacement pipe 10 » are finished and any necessary lateral connections can be cut, such as by robots.
  • FIGS. 2A-2C An alternative embodiment of the pull-in method is illustrated in FIGS. 2A-2C.
  • Leading end 18 of replacement pipe 10 is pulled through existing pipeline 20 and up into upstream manhole 16. Trailing end 17 is kept in manhole 15 and fluid from a pump 50 is pumped into replacement pipe 10. Trailing end 17 is kept above a height required for sufficient pressure to build up and to inflate pipe 10. Leading end 18 is kept at a spill level so that appropriate fluid pressure will be available to inflate pipe 10. Ultrasonic transducer 25 is then pulled through pipe 10 while proper inflation pressure is maintained.
  • FIGS. 3A, 3B and 3C illustrate an inversion lining method in accordance with the invention.
  • a leading end 18 ⁇ of resin impregnated replacement pipe 10a is fed down manhole 15.
  • a seal 17• is formed at leading end 18* and existing pipeline 20.
  • Fluid begins backing up in manhole 15 to create a pressure head for inverting replacement pipe 10a.
  • the outside of replacement pipe 10a, as it is removed from roll 11, should have a membrane that is impermeable to fluids, as it is the outside that comes into contact with fluid naturally flowing through pipeline 20 as pipe 10 becomes inverted.
  • the impermeable membrane reports to the inside of pipe 10.
  • FIGS. 4A-4C Another embodiment of the inversion-liner method is shown in FIGS. 4A-4C.
  • An inversion collar 60 is positioned in upstream manhole 15 at a height above that which is required to supply sufficient pressure to inflate replacement pipe 10a.
  • Pump 50 pumps fluid into the interior 110a of replacement pipe 10a to invert pipe 10a towards downstream manhole 16.
  • the downstream end of replacement pipe 10a is positioned at a spill level high enough to keep replacement pipe 10a inflated as it is cured by transducer device 25.
  • Installing replacement pipe in accordance with the invention can also be accomplished by either conventional pull- in or inversion methods, in which the existing flow is bypassed.
  • the installation methods described in U.S. Patent Nos. 4,680,066 and 4,581,247 or British Patent Nos. 1,340,068 and 1,449,455 can be employed and the description thereof is incorporated herein by reference.
  • the ultrasonic transducer is pulled therethrough to cure the replacement pipe.
  • ingredients or compounds recited in the singular are intended to include compatible mixtures of such ingredients wherever the sense permits.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Tuyau de rechange (10) et procédé d'installation d'un tel tuyau, selon lequel un tuyau de rechange souple, comprenant un matériau résineux durcissable, est installé dans une conduite existante (20), et le matériau résineux est durci par ultrasons pour former un tuyau de rechange rigide dans la conduite existante. Le tuyau de rechange se compose d'une couche fibreuse comprenant le matériau résineux durcissable par ultrasons, disposée sur une couche de revêtement. Le tuyau de forme tubulaire est placé dans la conduite existante et s'adapte aux dimensions internes de celle-ci. Le tuyau est maintenu sous une forme gonflée par l'introduction d'un fluide dans le tuyau, le revêtement interne demeurant imperméable au fluide. Celui-ci peut se composer d'un liquide s'écoulant naturellement à travers la conduite existante, et le tuyau de rechange devrait être pourvu d'un dispositif approprié (21), au niveau de son extrémité distale, permettant d'assurer que le fluide s'écoulant naturellement produira une pression suffisante pour maintenir la forme tubulaire du tuyau de rechange. Un dispositif ultrasonique (25) est amené à se déplacer dans le fluide à l'intérieur du tuyau de rechange gonflé afin de durcir le matériau résineux à l'aide d'ondes ultrasoniques.
PCT/US1992/004361 1991-05-21 1992-05-20 Tuyau de rechange durci par ultrasons et procede d'installation WO1992020504A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70326591A 1991-05-21 1991-05-21
US703,265 1991-05-21

Publications (1)

Publication Number Publication Date
WO1992020504A1 true WO1992020504A1 (fr) 1992-11-26

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WO (1) WO1992020504A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995001861A1 (fr) * 1993-07-06 1995-01-19 Sound Pipe Ltd. Garnitures pour canalisations et passages
WO1995001860A1 (fr) * 1993-07-05 1995-01-19 Sound Pipe Limited Application d'un revetement a des conduits et a des passages
WO1995025002A1 (fr) * 1994-03-16 1995-09-21 Insituform Technologies Ltd Ameliorations apportees au garnissage de canalisations et de passages
EP0856694A1 (fr) * 1997-01-30 1998-08-05 Sound Pipe Ltd Méthode de pose de tuyaux dans laquelle un tube aplati est gonflé avec un liquide de préférence l'eau
DE19739145C1 (de) * 1997-07-26 1998-08-27 Bkp Berolina Polyester Verfahren zum Messen des Aushärtegrads eines Gegenstands mit aushärtbarer Wand oder Platte sowie entsprechende Prüfvorrichtung
WO2013009452A1 (fr) * 2011-07-08 2013-01-17 Dow Global Technologies Llc Processus de restauration de tuyau durci sur place, et tuyau durci sur place
WO2013037670A1 (fr) * 2011-09-13 2013-03-21 Sml Verwaltungs Gmbh Gaine de chemisage pour la rénovation de systèmes de canalisations acheminant un fluide
EP3336404A1 (fr) * 2016-12-14 2018-06-20 Bolonia Servicios e Ingenieros, S.L. Dispositif pour durcir les garnitures intérieures en résine d'un pipeline
WO2018145863A1 (fr) 2017-02-10 2018-08-16 Trelleborg Pipe Seals Duisburg Gmbh Dispositif d'assainissement destiné à assainir une conduite, système de résine pour l'imprégnation d'un élément de revêtement destiné à assainir une conduite et procédé de revêtement d'une conduite
IT202200006491A1 (it) * 2022-04-01 2023-10-01 Applied Resin S L Metodo, kit e composizione per la riparazione non distruttiva in situ (relining) di condutture deteriorate con sistema a doppio utilizzo

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081869A1 (fr) * 1981-12-14 1983-06-22 Stork Friesland B.V. Tube en matière non-tissée pour la filtration à membrane et son procédé de fabrication
EP0122246A1 (fr) * 1983-04-06 1984-10-17 Inpipe Aktiebolag Procédé et dispositif de revêtement de tuyauteries au moyen d'un tuyau souple comportant une resine durcissable
US4581247A (en) * 1984-01-05 1986-04-08 Insituform International N.V. Lining of pipelines and passageways
US4680066A (en) * 1984-07-13 1987-07-14 Insituform Group Limited Lining of pipelines or passageways
EP0301204A1 (fr) * 1987-07-29 1989-02-01 SOFTLINING AG Systems for Relining Garnissage pour la rénovation interne des conduites et utilisation dudit garnissage
DE3727187A1 (de) * 1987-08-14 1989-02-23 Leonische Drahtwerke Ag Verfahren zur aktivierung von heissschmelzmassen
JPH02200417A (ja) * 1989-01-31 1990-08-08 Nkk Corp 管の内張り工法
CH676029A5 (en) * 1986-12-30 1990-11-30 I & C Investment And Controlin Reconstruction of damaged underground pipelines - three layer tube with transparent inner and outer layers and central curable layer is hauled into pipe, inflated and cured by light source

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081869A1 (fr) * 1981-12-14 1983-06-22 Stork Friesland B.V. Tube en matière non-tissée pour la filtration à membrane et son procédé de fabrication
EP0122246A1 (fr) * 1983-04-06 1984-10-17 Inpipe Aktiebolag Procédé et dispositif de revêtement de tuyauteries au moyen d'un tuyau souple comportant une resine durcissable
US4581247A (en) * 1984-01-05 1986-04-08 Insituform International N.V. Lining of pipelines and passageways
US4581247B1 (en) * 1984-01-05 1995-03-07 Insituform Netherlands Bv Lining of pipelines and passageways
US4680066A (en) * 1984-07-13 1987-07-14 Insituform Group Limited Lining of pipelines or passageways
CH676029A5 (en) * 1986-12-30 1990-11-30 I & C Investment And Controlin Reconstruction of damaged underground pipelines - three layer tube with transparent inner and outer layers and central curable layer is hauled into pipe, inflated and cured by light source
EP0301204A1 (fr) * 1987-07-29 1989-02-01 SOFTLINING AG Systems for Relining Garnissage pour la rénovation interne des conduites et utilisation dudit garnissage
DE3727187A1 (de) * 1987-08-14 1989-02-23 Leonische Drahtwerke Ag Verfahren zur aktivierung von heissschmelzmassen
JPH02200417A (ja) * 1989-01-31 1990-08-08 Nkk Corp 管の内張り工法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPIL Week 9038, Derwent Publications Ltd., London, GB; AN 90-285952 & JP,A,2 200 417 (NIPPON KOKAN KK) 8 August 1990 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995001860A1 (fr) * 1993-07-05 1995-01-19 Sound Pipe Limited Application d'un revetement a des conduits et a des passages
WO1995001861A1 (fr) * 1993-07-06 1995-01-19 Sound Pipe Ltd. Garnitures pour canalisations et passages
US5937910A (en) * 1993-07-06 1999-08-17 Sound Pipe, Ltd. Linings for pipelines and passageways
WO1995025002A1 (fr) * 1994-03-16 1995-09-21 Insituform Technologies Ltd Ameliorations apportees au garnissage de canalisations et de passages
EP0856694A1 (fr) * 1997-01-30 1998-08-05 Sound Pipe Ltd Méthode de pose de tuyaux dans laquelle un tube aplati est gonflé avec un liquide de préférence l'eau
DE19739145C1 (de) * 1997-07-26 1998-08-27 Bkp Berolina Polyester Verfahren zum Messen des Aushärtegrads eines Gegenstands mit aushärtbarer Wand oder Platte sowie entsprechende Prüfvorrichtung
WO2013009452A1 (fr) * 2011-07-08 2013-01-17 Dow Global Technologies Llc Processus de restauration de tuyau durci sur place, et tuyau durci sur place
US9651189B2 (en) 2011-07-08 2017-05-16 Blue Cube Ip Llc Cured-in place pipe rehabilitation process
WO2013037670A1 (fr) * 2011-09-13 2013-03-21 Sml Verwaltungs Gmbh Gaine de chemisage pour la rénovation de systèmes de canalisations acheminant un fluide
EP3336404A1 (fr) * 2016-12-14 2018-06-20 Bolonia Servicios e Ingenieros, S.L. Dispositif pour durcir les garnitures intérieures en résine d'un pipeline
WO2018145863A1 (fr) 2017-02-10 2018-08-16 Trelleborg Pipe Seals Duisburg Gmbh Dispositif d'assainissement destiné à assainir une conduite, système de résine pour l'imprégnation d'un élément de revêtement destiné à assainir une conduite et procédé de revêtement d'une conduite
IT202200006491A1 (it) * 2022-04-01 2023-10-01 Applied Resin S L Metodo, kit e composizione per la riparazione non distruttiva in situ (relining) di condutture deteriorate con sistema a doppio utilizzo
EP4253819A1 (fr) * 2022-04-01 2023-10-04 Applied Resin S.L. Procédé, kit et composition pour réparation in situ non destructive (rénovation) de pipelines altérés avec un système à double utilisation

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