WO2004113625A2 - System and arrangement for conduit reparation - Google Patents
System and arrangement for conduit reparation Download PDFInfo
- Publication number
- WO2004113625A2 WO2004113625A2 PCT/US2004/018837 US2004018837W WO2004113625A2 WO 2004113625 A2 WO2004113625 A2 WO 2004113625A2 US 2004018837 W US2004018837 W US 2004018837W WO 2004113625 A2 WO2004113625 A2 WO 2004113625A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conduit
- hardware
- arrangement
- injection
- distal end
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
- E03F2003/065—Refurbishing of sewer pipes, e.g. by coating, lining
Definitions
- the present invention relates generally to systems for repairing, lining or expanding conduit, such as expanding a liner conduit within a host conduit and, in particular, to a system and arrangement with accompanying hardware for repairing a conduit, for example expanding a liner conduit within a host conduit.
- Conduit systems are used extensively throughout the world in order to transfer or convey material, such as water and other fluids, from location to location for distribution throughout the system.
- material such as water and other fluids
- extensive conduit systems are used to distribute water to both residences and businesses for use and further processes.
- conduit or piping systems are located underground, as aboveground piping would be both unsightly and intrusive.
- Typical water conduit systems transport material through pipe, e.g., cast iron, ductile iron, reinforced concrete, asbestos-cement, etc., buried underground with the branches extending in various directions in order to reach the end user.
- pipe e.g., cast iron, ductile iron, reinforced concrete, asbestos-cement, etc.
- the present piping fails and begins to leak, thereby reducing line pressure and unnecessarily allowing water to leak into the area surrounding the piping.
- Such leaks not only affect the system, but increase the processing costs of the supplier, which, in turn, increases the end user costs. Therefore, these leaks must be quickly repaired and preventative measures taken to ensure that further leakage is prevented.
- Due to the underground positioning of the conduit system repairing a leaking pipe is particularly labor intensive and time consuming.
- Trenches must be dug along the pipeline to locate the leak and effectively repair it prior to putting the pipe back in service.
- Various lining systems have been developed according to the prior art in an attempt to seal a leaking pipe or a pipe that has fallen into disrepair, whether to repair a present crack or to preventatively ensure against future cracks or breaks.
- the use of a much smaller diameter pipe within the larger diameter cracked or broken pipe has been used. However, this merely replaces the problem of a cracked outer pipe with a cracked or otherwise leaking inner pipe. Still further, using such a pipe-in-pipe system drastically reduces the flow through the conduit system and evidences unwanted and varying pressure parameters.
- the inner or liner conduit is a thermoplastic pipe, typically a polyvinyl chloride (PNC) pipe that, when exposed to heat or pressure, expands and molds against the inside of an existing conduit to effect the relining of it.
- PNC polyvinyl chloride
- the liner conduit Once the liner conduit has fully expanded to conform to the interior surface of the existing conduit, it is cooled and the plugs are removed. The resulting expanded liner conduit conforms to the walls of the host conduit, thereby preventing any further leakage. Also, the method of the St. Onge patent requires only access pits to be dug at either end of the section to be repaired. [0007] While the St. Onge patent represents an advance in the art of relining or repairing underground conduit systems, there is room in the art for additional improvements and advancements. Merely plugging either end of the liner conduit and injecting steam to pressurize the liner conduit and force it to expand to the walls of the host conduit presents certain problems. Such a method and system give rise to both physical and structural weaknesses at either end of the expanded liner conduit.
- Patent ⁇ os. 6,299,803 to Ledoux; 5,601,763 to Hunter et al; 5,462,706 to McMillan et al; 5,503,190 to Kamiyama et al.; 5,490,964 to Kamiyama et al.; 5,225,121 to Yokoshima; 6,050,300 to Schwert et al.; 4,728,223 to Rice; 4,671,840 to Renaud; 4,361,451 to Renaud; 6,539,979 to Driver; 5,368,809 to Steketee, Jr.; and 5,399,301 to Menendez et al.
- such equipment and systems have several drawbacks.
- the present invention is directed to an arrangement for use in connection with a conduit reparation process having a target conduit with a first end and a second end.
- the arrangement includes injection hardware in operative communication with the first end of the target conduit and distal end hardware in operative communication with the second end of the target conduit.
- the arrangement also includes a control mechanism in communication with at least one of the injection hardware and the distal end hardware for communicating with and/or controlling the conduit reparation process, the injection hardware and the distal end hardware.
- control mechanism can (i) monitor at least one physical characteristic of at least one of the injected material and recycled material; (ii) control at least one physical characteristic of injected material and/or recycled material; (iii) monitor at least one physical characteristic of the lining process; (iv) control at least one physical characteristic of the lining process; (v) monitor at least one physical characteristic of a host conduit and/or a liner conduit; and (vi) control at least one physical characteristic of the host conduit and/or the liner conduit.
- the injection hardware and/or the distal end hardware includes one or more measurement devices for measuring the physical characteristics or parameters of the injected material, the lining process, the host conduit and/or the liner conduit.
- the measurement device measures the pressure of the injected material, the temperature of the injected material, a surface temperature of the host conduit and/or a surface temperature of the liner conduit.
- the injection hardware and/or the distal end hardware include a communication device in communication with the control mechanism for transmitting, processing and/or receiving signals.
- the communication device preferably wirelessly communicates with the control mechanism.
- the control mechanism is typically a computing device, such as a portable computer, laptop, a PDA, a palmtop, a computer, a personal computer, a networked computer or a server.
- control mechanism is loaded with control software to enable the control mechanism to perform various functions and actions.
- control software may allow the control mechanism to (i) receive and process signals transmitted from at least one of the injection hardware and the distal end hardware; (ii) transmit signals to at least one of the injection hardware and the distal end hardware; (iii) monitor at least one physical characteristic of at least one of the lining process, the injection hardware, the distal end hardware, a material in contact with the injection hardware, a material in contact with the distal end hardware; (iv) track at least one physical characteristic of at least one of the lining process, the injection hardware, the distal end hardware, a material in contact with the injection hardware, a material in contact with the distal end hardware; (v) control at least one physical characteristic of at least one of the lining process, the injection hardware, the distal end hardware, a material in contact with the injection hardware, a material in contact with the distal end hardware; (vi) control operation of at least
- Fig. 1 is a schematic view of a system and arrangement for conduit reparation according to the present invention, wherein the conduit reparation method includes a conduit expansion process;
- FIG. 2 is a schematic view of a preferred embodiment of injection hardware used in connection with the system and arrangement of Fig. 1;
- FIG. 3 is a schematic view of a preferred embodiment of distal end cap hardware used in connection with the system and arrangement of Fig. 1;
- FIG. 4 is a schematic view of material flow in subcomponents of the injection hardware of Fig. 2;
- Fig. 5 is a perspective view of a preferred embodiment of the injection hardware of the system and arrangement according to Fig. 1.
- the present invention is a system 10 and arrangement for conduit expansion and is illustrated in various embodiments in Figs. 1-5. It is envisioned that the system 10 can be used in connection with various conduit reparation methods and processes. For example, the system 10 may be used in connection with a conduit expansion process, as discussed in detail hereinafter. However, the system 10 may also be used in connection with slip-lining methods, bladder-based systems, material-impregnated liners and other similar conduit reparation processes. As discussed hereinafter, the system 10 is useful when repairing a damaged conduit, and is particularly preferable when used with methods wherein the conduit is an underground pipe, which need not be longitudinally unearthed prior to reparation.
- control and communication aspects of the system 10 can be used in connection with various lengths of aboveground conduit as well, for example for manufacturing, maintenance, preparation and similar activities. Accordingly, the presently- invented system 10, as described hereinafter, may be utilized with many different conduit- based applications and provides novel control and communication aspects to these applications.
- the present invention is an arrangement and system 10 that is utilized in connection with a conduit reparation process having a target conduit or host conduit 14.
- Injection hardware 24 is engaged with and in operative communication with a first end 16 of the host conduit 14, and distal end hardware 26 is engaged with and in operable communication with a second end 18 of the host conduit 14.
- a control mechanism 30 is in coirrmunication with the injection hardware 24 and/or the distal end hardware 26.
- This control mechanism 30 provides communication with and/or control of the pipe lining or reparation process, the injection hardware 24 and/or the distal end hardware 26. Accordingly, the control mechanism 30 acts to monitor parameters, communicate with the hardware 24, 26 and otherwise allow for the control of the components and sub-components of the hardware 24, 26.
- the system 10 may be adapted for beneficial use in conduit expansion process, as illustrated in Fig. 1.
- the system 10 is used in connection with a liner conduit 12 positioned within a host conduit 14.
- the liner conduit 12 is manufactured from a thermoplastic material, such as polyvinyl chloride, polyethylene, etc.
- a thermoplastic material such as polyvinyl chloride, polyethylene, etc.
- any material having the appropriate expansion characteristics can be used.
- the system 10 works equally effectively with any expandable liner conduit 12, bladder, liner bag, impregnated bladder, etc.
- the liner conduit 12 is fed through the host conduit first end 16 until a liner conduit first end 20 is located adjacent the host conduit first end 16, and a liner conduit second end 22 is located adjacent the host conduit second end 18. In this manner, the liner conduit 12 is positioned within the host conduit 14 and ready for the expansion process. [0025] After positioning, the injection hardware 24 is engaged with and in operative communication with the host conduit first end 16 and/or liner conduit first end 20.
- the distal end hardware 26 is engaged with and in operable communication with the host conduit second end 18 and/or the liner conduit second end 22. Once the injection hardware 24 and the distal end cap hardware 26 are engaged, the system 10 is ready for the injection of a material 28, such as steam, air or fluid, into the liner conduit 12.
- a material 28 such as steam, air or fluid
- control mechanism 30 In order to monitor and/or control the various components, sub-components and the process physical parameters, the control mechanism 30 is used and is in communication with, preferably, both the injection hardware 24 and the distal end cap hardware 26. By using the control mechanism 30, the system 10 becomes a monitored, controlled and easily and accurately duplicated process.
- control mechanism 30 can (i) monitor at least one physical characteristic of at least one of injected material and recycled material; (ii) control at least one physical characteristic of the injected material and/or the recycled material; (iii) monitor at least one physical characteristic of the reparation process; (iv) control at least one physical characteristic of the reparation process; (v) monitor at least one physical characteristic of a host conduit 14 and/or a liner conduit 12; and (vi) control at least one physical characteristic of the host conduit 14 and/or the liner conduit 12.
- the injection hardware 24 and/or the distal end hardware 26 includes one or more measurement devices 38 for measuring the physical characteristics or parameters of the injected material, the reparation process, the host conduit 14 and/or the liner conduit 12.
- the measurement device 38 measures the pressure of the injected material, the temperature of the injected material, a surface temperature of the host conduit 14 and/or a surface temperature of the liner conduit 12.
- the injection hardware 24 is illustrated in Fig. 2.
- the injected material 28 is a fluid, such as water.
- the various components and subcomponents of the injection hardware 24 and system 10, as described in detail hereinafter, are described according to function, as opposed to order of connection.
- an inlet hose 32 is engaged with a hose connector 34.
- the hose connector 34 is in fluid communication with a control device 36, which can be used to shut off, throttle back or otherwise adjust the flow characteristics of the material 28.
- the measurement device 38 is positioned between the hose connector 34 and the control device 36. Further, this measurement device 38 measures various operating parameters, such as pressure and/or temperature of the injected material 28.
- the measurement device 38 is in communication with a communication device 40 capable of receiving, processing and transmitting signals, and the communication device 40 is in further communication with the control mechanism 30.
- the communication device 40 is a transmitter that wirelessly transmits data to the control mechanism 30. It is further envisioned that the control mechanism 30 can communicate with the control device 36 and provide for wireless control of the injection of material 28. Still further, the communication device 40 may be hardwired to control mechanism 30.
- the control device 36 is engaged with a fitting 42, which is, in turn, connected to a flow connection 44.
- the flow connection 44 is a T-shaped connector and has an injection port 46 and a recycle port 48.
- the recycle port 48 is in operative communication with a recycle hose 50, which transfers and recycles the material 28 back to a fluid system (not shown).
- the injection port 46 is positioned adjacent an insert 52.
- the insert 52 is at least partially engaged within the liner conduit first end 20. Further, the insert 52 is a wedge- shaped connection that is frictionally engaged with and expanded against an inside wall of the liner conduit 12.
- a liner conduit clamp 54 is engaged with an outside wall of the liner conduit first end 20 and locks the liner conduit first end 20 between the liner conduit clamp 54 and the insert 52.
- a first expansion restriction sleeve 56 is positioned near the liner conduit first end 20. This first expansion restriction sleeve 56 is bolted or otherwise removably engaged with the liner conduit 12 and provides rigid restriction against expansion during the expansion process. It is also envisioned that the measurement device 38 is in communication with the liner conduit 12 at or near the first expansion restriction sleeve 56 and measures the skin temperature of the liner conduit 12. Next, a second expansion restriction sleeve 58 is engaged around and provides rigid expansion restriction with respect to the liner conduit 12. Again, bolts, clamps or other means of connecting the second expansion restriction sleeve 58 in an abutting relationship with the liner conduit 12 is envisioned.
- a transition collar 60 is positioned adjacent an end of the second expansion restriction sleeve 58 and in an abutting relationship with the host conduit first end 16.
- the transition collar 60 is shaped as a tapered element and provides a surface to which the liner conduit 12 can expand immediately adjacent the host conduit first end 16. Without this transition collar 60, and due to the thickness of the host conduit 14, the liner conduit 12 could continue expanding and create a gap or ridge immediately adjacent the host conduit first end 16, which would decrease the structural integrity at that point.
- a longitudinal restriction connection 62 is in engagement with and in operable communication with the host conduit 14 and the liner conduit clamp 54. This generally, longitudinally-extending restriction connection 62 provides rigid connection between the host conduit 14 and other components of the injection hardware 24 and rigidly prevents undesirable longitudinal expansion during the process.
- FIG. 3 A preferred and non-limiting embodiment of the distal end hardware 26 is illustrated in Fig. 3. Again, the components and subcomponents described hereinafter are with reference to function and connection, as opposed to order of attachment.
- Another measurement device 38 is in communication with the communication device 40 and, further, the measurement device 38 is in communication with an end cap element 64. Again, this communication device 40 is in communication with the control mechanism 30 and used to receive, process and/or transmit the data monitored and gathered by the measurement device 38. It is also envisioned that the communication device 40 is in wireless communication with the control mechanism 30, which acts as a central repository for all the gathered data.
- the end cap element 64 is positioned at least partially within the liner conduit second end 22 and acts as a seal at the liner conduit second end 22.
- a third expansion restriction sleeve 66 is placed at least partially over the host conduit second end 18 and the liner conduit second end 22. It is envisioned that the third expansion restriction sleeve 66 operates in a similar manner as the second expansion sleeve 58. Therefore, if desired, the transition collar 60 may also be used to provide a smooth transition zone at the host conduit second end 18. [0036] Again, as with the injection hardware 24, a fourth expansion restriction sleeve 68 is positioned around the liner conduit second end 22 and adjacent the end cap element 64.
- both the third expansion restriction sleeve 66 and the fourth expansion restriction sleeve 68 act to rigidly prevent lateral expansion of the liner conduit 12 with relation to the host conduit 14.
- the distal end hardware 26 includes the longitudinal restriction connection 62 for preventing unwanted longitudinal expansion during the process.
- the longitudinal restriction 62 is rigidly attached to both the host conduit second end 18 and the end cap element 64.
- the insert 52 can be used in connection with the distal end hardware 26 for stiffening of the liner conduit 12.
- the end cap element 64 may be substituted with a plug, cap or other similar element as would be known and appreciated by one of ordinary skill in the art.
- FIG. 4 An internal schematic view of the flow connection 44 of the injection hardware 24 is illustrated in Fig. 4.
- material 28 is injected through the inlet hose 32, and the inlet hose 32 is in operable communication with the fitting 42, which is, in turn, connected to a nipple connection 70.
- the nipple connection 70 extends through an internal cavity of the flow connection 44 and, typically, at least partially within the liner conduit 12.
- the nipple connection is engaged with a liner conduit hose 72, and the liner conduit hose 72 extends along the length of the liner conduit 12.
- the nipple connection 70 and the liner conduit hose 72 are engaged in a manner as known in the art, such as by threaded fittings, or other similar connection techniques.
- the liner conduit hose 72 includes multiple flow orifices 74 positioned along the length of the liner conduit hose 72. These flow orifices 74 allow material 28 to be intermittently injected along the length of the liner conduit hose 72, which provides for a more uniform injection of material 28 and, therefore, a more uniform expansion of the liner conduit 12.
- the orifices 74 are positioned on the hose 72 near the host conduit second end 18, which provides a more even heat distribution along the liner conduit 12.
- the orifices 74 may preferably be disposed on a bottom portion of the liner conduit hose 72.
- the material 28 flows through the recycle hose 50 and back into the fluid system (not shown). In this manner, the injection hardware 24 acts as both an injection and recycle route for the material 28 for further use in the system 10. While the injection material 28, as discussed above, is preferably a fluid, the present invention is not so limited.
- the material 28 may be a gas, a liquid, a solid, a semi-solid, a mechanism, an object, steam, water, heated water, etc.
- the control mechanism 30 may be a computing device, such as a portable computer, laptop, a PDA, a palmtop, a computer, a personal computer, a networked computer or a server.
- control mechanism is loaded with control software to enable the control mechanism to perform various functions and actions.
- control software may allow the control mechanism to (i) receive and process signals transmitted from at least one of the injection hardware 24 and the distal end hardware 26; (ii) transmit signals to at least one of the injection hardware 24 and the distal end hardware 26; (iii) monitor at least one physical characteristic of at least one of the reparation process, the injection hardware 24, the distal end hardware 26, the material 28 in contact with the injection hardware 24, the material 28 in contact with the distal end hardware 26; (iv) track at least one physical characteristic of at least one of the reparation process, the injection hardware 24, the distal end hardware 26, the material 28 in contact with the injection hardware 24, the material 28 in contact with the distal end hardware 26; (v) control at least one physical characteristic of at least one of the reparation process, the injection hardware 24, the distal end hardware 26, the material 28 in contact with the injection hardware 24, the material 28 in contact with the distal end hardware 26; (vi) control operation
- FIG. 5 One preferred and non-limiting embodiment of the injection hardware 24 is illustrated in Fig. 5. While specific conduit/piping and hardware connections are described, any manner and method of injecting material 28 in a controllable situation is envisioned.
- the measurement devices 38 may be used to monitor specific operating parameters for use in not only controlling the current process, but making further improvements in future processes. Therefore, the system 10 and arrangement for conduit expansion allows for the expansion of the liner conduit 12 within the host conduit 14 with additional structural integrity advantages not inherent in prior art.
- the system 10 is equally useful in a variety of conduit reparation processes, as are known and practiced in the art.
- This invention has been described with reference to the preferred embodiments. Obvious modifications and alterations will occur to others upon reading and understanding the preceding detailed description. It is intended that the invention be construed as including all such modifications and alterations.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Pipe Accessories (AREA)
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2529389A CA2529389C (en) | 2003-06-13 | 2004-06-14 | System and arrangement for conduit reparation |
AU2004250155A AU2004250155A1 (en) | 2003-06-13 | 2004-06-14 | System and arrangement for conduit reparation |
EP04776531A EP1673177A2 (en) | 2003-06-13 | 2004-06-14 | System and arrangement for conduit reparation |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47859403P | 2003-06-13 | 2003-06-13 | |
US60/478,594 | 2003-06-13 | ||
US10/865,739 | 2004-06-10 | ||
US10/865,739 US7000643B2 (en) | 2003-06-13 | 2004-06-10 | Bladder system for conduit expansion |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004113625A2 true WO2004113625A2 (en) | 2004-12-29 |
WO2004113625A3 WO2004113625A3 (en) | 2005-03-03 |
Family
ID=33544377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/018837 WO2004113625A2 (en) | 2003-06-13 | 2004-06-14 | System and arrangement for conduit reparation |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2004250155A1 (en) |
CA (1) | CA2529389C (en) |
WO (1) | WO2004113625A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2598787A4 (en) * | 2010-07-30 | 2017-11-01 | Perma-Liner Industries, LLC | Apparatus and method for heat curing of pipe liners |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361451A (en) | 1980-04-18 | 1982-11-30 | Coopetanche S.A. | Process for everting a lining into a conduit utilizing two injection fluids |
US4671840A (en) | 1983-02-03 | 1987-06-09 | Coopetanche S.A. | Process for internally lining a duct, a lining installation using this process and ducts provided with a lining in accordance with this process |
US4728223A (en) | 1982-11-24 | 1988-03-01 | Pirelli Construction Co. Ltd. | Methods of renovating sewers |
US5225121A (en) | 1991-05-14 | 1993-07-06 | Yasuhiro Yokoshima | Method for repairing a pipe |
US5462706A (en) | 1992-08-21 | 1995-10-31 | Pipe Rehab International, Inc. | Method for forming a flange on an end of a synthetic liner |
US5490964A (en) | 1993-04-13 | 1996-02-13 | Shonan Gosei-Jushi Seisakusho K.K. | Method and device for repairing a tubular conduit |
US5503190A (en) | 1992-10-09 | 1996-04-02 | Shonan Gosei-Jushi Seisakusyo K.K. | Method for repairing a tubular conduit |
US5601763A (en) | 1994-11-29 | 1997-02-11 | Hunter; Robert M. | In situ pipeline rehabilitation system |
US6050300A (en) | 1998-09-11 | 2000-04-18 | Karl Weiss Hoch-Tief - Und Rohrleitungsbau Gmbh & Co. | Method and an apparatus for lining a pipe or duct |
US6299803B1 (en) | 1999-10-21 | 2001-10-09 | Ledoux Patrick | Method for forming and sealing pipe liners |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4026329A (en) * | 1973-12-26 | 1977-05-31 | Texas Pipe Line Company | Method and apparatus for remotely and releasably sealing a pipeline |
US6053211A (en) * | 1998-09-11 | 2000-04-25 | Karl Weiss Hoch- Tief- Und Rohrleitungsbau Gmbh & Co. | Method for the coating of sewer pipes including apparatus for carrying out the method |
-
2004
- 2004-06-14 CA CA2529389A patent/CA2529389C/en not_active Expired - Fee Related
- 2004-06-14 WO PCT/US2004/018837 patent/WO2004113625A2/en active Application Filing
- 2004-06-14 AU AU2004250155A patent/AU2004250155A1/en not_active Abandoned
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4361451A (en) | 1980-04-18 | 1982-11-30 | Coopetanche S.A. | Process for everting a lining into a conduit utilizing two injection fluids |
US4728223A (en) | 1982-11-24 | 1988-03-01 | Pirelli Construction Co. Ltd. | Methods of renovating sewers |
US4671840A (en) | 1983-02-03 | 1987-06-09 | Coopetanche S.A. | Process for internally lining a duct, a lining installation using this process and ducts provided with a lining in accordance with this process |
US5225121A (en) | 1991-05-14 | 1993-07-06 | Yasuhiro Yokoshima | Method for repairing a pipe |
US5462706A (en) | 1992-08-21 | 1995-10-31 | Pipe Rehab International, Inc. | Method for forming a flange on an end of a synthetic liner |
US5503190A (en) | 1992-10-09 | 1996-04-02 | Shonan Gosei-Jushi Seisakusyo K.K. | Method for repairing a tubular conduit |
US5490964A (en) | 1993-04-13 | 1996-02-13 | Shonan Gosei-Jushi Seisakusho K.K. | Method and device for repairing a tubular conduit |
US5601763A (en) | 1994-11-29 | 1997-02-11 | Hunter; Robert M. | In situ pipeline rehabilitation system |
US6050300A (en) | 1998-09-11 | 2000-04-18 | Karl Weiss Hoch-Tief - Und Rohrleitungsbau Gmbh & Co. | Method and an apparatus for lining a pipe or duct |
US6299803B1 (en) | 1999-10-21 | 2001-10-09 | Ledoux Patrick | Method for forming and sealing pipe liners |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2598787A4 (en) * | 2010-07-30 | 2017-11-01 | Perma-Liner Industries, LLC | Apparatus and method for heat curing of pipe liners |
Also Published As
Publication number | Publication date |
---|---|
CA2529389C (en) | 2012-09-25 |
WO2004113625A3 (en) | 2005-03-03 |
AU2004250155A1 (en) | 2004-12-29 |
CA2529389A1 (en) | 2004-12-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9086184B2 (en) | System and method for conduit reparation | |
US7710281B2 (en) | Remote tapping method and system for internally tapping a conduit | |
US9261221B2 (en) | Pipe liner having a wireless data transmitter with sensing capabilities | |
US5072622A (en) | Pipeline monitoring and leak containment system and apparatus therefor | |
JP2001508877A (en) | Investigating leaks | |
JP2007502227A (en) | Method of fusing conduit | |
US7000643B2 (en) | Bladder system for conduit expansion | |
KR101393690B1 (en) | Pipeline repairing device having a control function for setting temperature of tube end and trenchless, inner, whole repairing method using therefor | |
US7118137B2 (en) | Testable pipe joint | |
KR20140092465A (en) | System and method for reparing conduit in non-excavation manner | |
CA2529389C (en) | System and arrangement for conduit reparation | |
KR101541650B1 (en) | Duct Repair Method and Duct Repair Device | |
AU2011221359B2 (en) | System and arrangement for conduit reparation | |
MXPA05013510A (en) | System and arrangement for conduit reparation | |
EP4227569A1 (en) | Method of lining branch area in pipeline | |
MXPA06003964A (en) | Remote tapping method and system for internally tapping a conduit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Country of ref document: MX Ref document number: PA/a/2005/013510 Ref document number: 2529389 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004250155 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004776531 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2004776531 Country of ref document: EP |