WO1997020164A1 - Procede et dispositif pour la renovation de canalisations souterraines, et utilisation - Google Patents

Procede et dispositif pour la renovation de canalisations souterraines, et utilisation Download PDF

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Publication number
WO1997020164A1
WO1997020164A1 PCT/DE1996/002255 DE9602255W WO9720164A1 WO 1997020164 A1 WO1997020164 A1 WO 1997020164A1 DE 9602255 W DE9602255 W DE 9602255W WO 9720164 A1 WO9720164 A1 WO 9720164A1
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WO
WIPO (PCT)
Prior art keywords
pipeline
new
renovated
rehabilitated
opening
Prior art date
Application number
PCT/DE1996/002255
Other languages
German (de)
English (en)
Inventor
Werner Gebauer
Hans-Joachim SCHLÖSSER
Original Assignee
Werner Gebauer
Schloesser Hans Joachim
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 Werner Gebauer, Schloesser Hans Joachim filed Critical Werner Gebauer
Priority to AU10295/97A priority Critical patent/AU1029597A/en
Publication of WO1997020164A1 publication Critical patent/WO1997020164A1/fr

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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
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028Laying or reclaiming pipes on land, e.g. above the ground in the ground
    • F16L1/032Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being continuous
    • 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
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/165Devices 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
    • F16L55/1658Devices 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 old pipe being ruptured prior to insertion of a new pipe

Definitions

  • the present invention relates to a method for the rehabilitation of pipelines laid below the surface of the earth, in particular in the mulit landfill, road and sewage area, wherein a start and / or destination opening is at least partially created, with a pipeline to be rehabilitated at least one laying path for Introducing a new pipeline and where a support device coupled to the new pipeline is introduced into the pipeline to be rehabilitated or into the installation path.
  • the present invention also relates to a device and a use in connection with the method in question
  • the pipeline to be rehabilitated serves as a receptacle for the new pipeline. If the pipeline ends of the pipeline to be rehabilitated are not already accessible through existing shafts or end above ground, there is a start and end to create a target shaft The new pipeline is drawn into the pipeline to be rehabilitated, the pulling by means of a rope from a target shaft being a disadvantage of the "relining method” that it has a cross-sectional constriction of 10% through the pulled pipeline up to 20%
  • burst lining method used in particular for the rehabilitation of garbage dump seepage water pipes provides for the destruction of the damaged pipeline.
  • a crushing and / or upgrading device in the form of a burst rocket destroys the existing, damaged pipe in a striking and compacting manner and at the same time pulls the new one Line is a prerequisite for this method that the line to be rehabilitated is so wide that a cable connection between the end points of the line
  • the traction rope is important in terms of supporting the forward movement of the drakes and in terms of directional stabilization
  • the method in question has considerable disadvantages.On the one hand, only short sections of the defective pipeline can be repaired.On the other hand - especially in the case of leachate drainage from landfill sites, which usually ends at an underground level - it is necessary to create a start and finish opening in the form of a shaft Laboratory equipment and personnel expenses arise. In addition, additional shafts must be created in the event of unexpected stagnation, which further increases the cost of the “burst lining method”. It is also disadvantageous that there is no control over the storage conditions of the new pipe and that a maximum widening of the laying path given by the destroyed line is only possible by 75 mm, which is important from the point of view of the removal of pipe sections of larger cross-section, for example pipe sections which can be moved by camera. that earth missiles get stuck in the pipe to be renovated, so that an additional salvage shaft has to be created, which increases the costs by another
  • the control device After the pilot drilling, the control device is replaced by an expansion head, to the rear end of which a pipeline is coupled.
  • a drilling suspension occurs for the purpose of lubrication, stabilization, transport of the loosened earth, reduction of friction and sealing of the drilling from the tool nozzles. So far, the process has only been carried out in almost stone-free, grown soil and at a relatively low laying depth of approx. 0.6 to 5 m and is only used to re-lay cables and pipes without trenches.
  • new pipe laying on the other hand is to specify a method of the type in question which enables pipeline rehabilitation over large ranges in a short time and with a controlled pipeline pull-in into the pipeline to be rehabilitated or into the installation path specified by it and which largely avoids the construction of expensive manholes at the start and / or destination point.
  • a device is to be specified which enables a special exemplary embodiment of the method to be carried out, at least partial destruction of the pipeline to be rehabilitated and possibly widening of the installation path.
  • a pipe re-laying device which is known per se, namely a horizontal flushing drilling machine, for the purpose of renovating underground pipes is to be specified.
  • a method of the type in question is further developed in such a way that the start and / or destination opening is at least partially created by means of a control device cooperating with a locating device - through the material located between the pipeline and the surface of the earth - such that the carrier device with the addition of a detergent in the pipeline to be renovated in the direction of the target opening and that the new pipeline is introduced in the direction of the start opening.
  • the control device can be guided three-dimensionally when penetrating the material covering the pipeline to be renovated, so that curved, channel-shaped openings can also be created. This is important, for example, with regard to deep landfills, where it is important not to damage sealing foils or other installations on landfill borders.
  • the material is pierced on the one hand and pierced on the other hand - in the case of straight sections.
  • the control device can also advantageously have a milling tool. It is also essential that the control device can be connected to the carrier device, which transmits the force of the drive unit arranged above ground to the control device or its tools.
  • a self-propelled control device so that no carrier device is necessary to create the start and / or finish opening.
  • the cross section of the start and / or target opening created in whole or in part by means of the control device or its drilling and / or milling tool could be expanded and stabilized.
  • an expanding head could be moved through the opening instead of the control device, in particular by means of the carrier device Expanding head could be designed in such a way that it can work forwards and backwards
  • control device could now be used up to the beginning of the pipeline and / or from the end of the pipeline in order to implement an opening to the surface of the earth that complies with the present conditions.
  • the control device can be routed through the entire pipeline to be rehabilitated down to the surface of the earth. It is also important that the control device can also be carried out through the pipeline to be rehabilitated if blockages, faults or other obstacles occur in the Protrude cross-section, are expected Due to the advantageous three-dimensional controllability, such obstacles can be avoided or traversed by means of the drilling and milling tools.
  • the control device which is preferably coupled to the carrier device, can also be used in a non-linear manner follow the damaged pipe easily
  • the method according to the invention makes it possible to pull in a new pipeline while the old pipeline continues.
  • the rinsing agent introduced by the carrier device is used to fix the newly drawn-in pipe.
  • the rinsing agent could contain an absorbing cement for this purpose, so that the flowability is temporarily guaranteed
  • an extremely important application of the present method according to the invention consists in the renovation with at least partial destruction of the pipeline to be rehabilitated.
  • the control device could be removed from the carrier device of the device and a comminution and / or expansion device are mounted on the carrier device.
  • a self-actuated comminution and / or expansion device which is introduced into the pipeline to be rehabilitated before the carrier device is introduced.
  • the shredding and / or expanding device could either be introduced into the pipeline to be renovated in the area of the start opening and work in the direction of the target opening or from the target opening in the direction of the start opening rehabilitation pipeline are introduced
  • start opening and target opening are to be understood so that they either include the pilot holes made by the control device leading to the earth's surface or an already existing shaft-shaped start and / or target opening include. In the latter case, the start and / or finish opening is only partially created by the control device equipped with the corresponding tools
  • a pulling rope could preferably be assigned to a first comminution and / or expansion device, which, for example, is carried in the direction of the start opening, decoupled there and connected to a laying path finder.
  • the laying path finder is pushed in the direction of the target opening and pulled by means of a pulling rope, whereby it easily passes curved start and target openings or bores due to a round head and initiates the carrier device into the laying path widened in the first stage.
  • the laying path finder is de - mounted and the carrier device is connected to a second comminution and expansion device and / or to the new pipeline
  • the stoneware pipe can be partially destroyed or - if the stoneware pipe is completely destroyed res - the concrete seal is milled out and expanded for the insertion of a new pipe.
  • a sewer robot could also be used for this purpose.
  • the annular gap created for the new pipeline could also be used here Sealing compound to be filled
  • the insertion lance is inserted into the area of the waste body adjacent to the penetration body.
  • the high-pressure injection lance injects the sealant preferably in a radial direction.
  • the lance could be operated discontinuously and in particularly vulnerable areas, such as the transition area consisting essentially of clay between the penetration body and the garbage body with higher pressure and greater volume, possibly also under Ver change the cross section of the injection nozzle
  • the area of the new pipeline With regard to the function of the penetration body, it is expedient to design the area of the new pipeline to be drawn in there in the sense of a closed lead piece on the remaining slotted drainage line.
  • the lead piece could be welded directly to the rest of the new pipeline, so that the pulling-in process into the pipeline to be renovated or into the installation path runs undisturbed.
  • a fast-curing, low-viscosity cement-based dam is preferably used as the sealing compound.
  • the backwardness of the dam could be realized by additional dovetail-like depressions in the outer jacket of the new pipe, for example made of HDPE or PE, which leads to an interlocking with the dam and to a reduction in temperature fluctuations and changes in diameter.
  • the arrangement of skids results in a complete covering with sealing compound and the static participation of an old line which has at least not been completely destroyed, and also prevents the line from floating.
  • the floating of the line could also be prevented by inserting a shut-off bladder and filling water during the dam.
  • the carrier device could be designed as a pulling and / or pushing device and, specifically, as a guide linkage that can be extended and removed.
  • the carrier device could furthermore be used for transport and - if no other devices are arranged on the carrier device - for dispensing the detergent.
  • the bentonite suspension used as a flushing agent in the horizontal flush drilling method which is known per se, is in principle also suitable for the method according to the invention for achieving the required bedding module.
  • an organic, bacterially decomposable suspension is used.
  • the laying path is temporarily stabilized before the new pipeline is drawn in and - in the case of a drainage line installation - the through openings there are functional after the suspension has decomposed.
  • a particularly advantageous embodiment of the pipeline rehabilitation method according to the invention is seen to form a flow base after the - all around slotted - new pipeline has been drawn into the laying path.
  • hardenable cement mixture can be introduced into the drama line using the force of gravity from the highest point of the new pipeline, which is then sedimented on the pipe base due to gravity. This process could now be monitored by camera.
  • a controlled material discharge in the interior of the new line is particularly advantageous
  • defective pipelines can be rehabilitated from a wide variety of materials without or with partial or complete destruction of their own.
  • the pipelines to be rehabilitated could consist of stoneware, fiber cement, plastic, reinforced or unreinforced concrete, cast iron, steel or reinforced concrete
  • At least one end of the new pipeline could be accessible from the outside and be designed in the sense of an inspection opening.This enables easy subsequent access to the introduction of aids such as pulling ropes which cleaning or monitoring agents could be led through the line
  • the present invention furthermore relates to a device which achieves the underlying object-related task by the features of patent claim 26.
  • the device is then designed such that a control device interacting with a positioning device for at least partially creating a start and / or Target opening - through the material located between the pipeline and the surface of the earth - it is provided that the control device has a drilling and / or milling tool, that a carrier device working with the addition of a rinsing agent is provided, to which a new pipeline for introduction into the to be rehabilitated is provided Pipeline or can be coupled into a predetermined laying path and that at least one shredding and / or expanding device is provided for at least partially destroying the pipeline to be rehabilitated
  • the control device equipped with a drilling and / or milling tool being used here.
  • the carrier device introduced into the pipeline to be renovated can be guided over large ranges almost without friction.
  • the device is further equipped with a comminution and / or expansion device for the purpose of comminuting materials of high strength, with which a preferred embodiment of the method can be taken into account
  • the pilot bore created by the control device between the surface of the earth and the pipeline to be sanitized or an already existing, shaft-shaped start and / or destination opening could be expanded and stabilized by leading an expansion head through the pilot bore.
  • the expanding head could preferably work forwards and backwards.
  • the expanding head could have an ellipsoidal shape or the shape of a rugby ball, the two opposite ends tapering and thus being effective in both directions
  • the carrier device advantageously works with pressure and tension and is designed as an extendable or removable guide linkage and an integral part of the device according to the invention.
  • the guide linkage serves to overcome the distance, to transmit force and to center and rotate any tools .
  • the extension corresponds at least to the range of the pipeline to be renovated.
  • the guide linkage can expediently be extended to the range between the start and target opening.
  • the expansion head could also be connectable to the carrier device.
  • self-actuated versions could also be used the control device and the expanding head are used
  • the comminution and / or expansion device could be designed such that it not only applies force to the pipeline to be rehabilitated, but also to the surrounding material, so that a new pipeline with a larger cross-section enters the resulting laying path ⁇ can be pulled in an advantageous manner, the crushing and / or expanding device can be connected to the carrier device and is rotated, centered and guided through the pipeline to be renovated or through the laying path specified by the latter.
  • a self-propelled, self-centered comminution and / or expansion device could also be used, a so-called “mud motor” being used for the drive.
  • the shredding and / or expanding device could be inserted into the pipeline to be renovated as a separate tool, possibly coupled to the carrier device. Furthermore, it is possible to directly track the new pipeline of the shredding and / or expanding device, or to use a structural unit comprising an upstream shredding and / or upgrading device and a downstream coupling component with a coupled new pipeline. In the case of a structural unit described above, which is connected to the carrier device, a drive-related separation of the comminution and / or expansion device from the coupling component is to be realized, the rotational movement of the guide linkage or the carrier device being transmitted only to the comminution and / or expansion device and the coupling component drags the new pipeline behind it.
  • the comminution and / or expansion device could also expand the start and / or destination opening created by the control device when it is introduced or removed.
  • a design of the shredding and / or expanding device would also be conceivable, which assumes its effective dimension or its operating state only when it is introduced into the pipeline to be rehabilitated, and passes through the start and / or finish opening in an idle state - in a ring dimension.
  • device-related exemplary embodiments are to be emphasized, which advantageously design the pipeline shredding process and the widening process of the laying path.
  • the shredding and expanding device could work in a beating and / or bumping and / or breaking and / or cutting and / or grinding and / or grinding manner.
  • Suitable tools are used for this in accordance with the purpose pursued.
  • Milling tools which can be preceded by impact hammers, are particularly suitable for comminution.
  • rollers can be used to compact the processed, possibly with the soil or waste material obtained as a result of an expansion process mixed pipe material.
  • there is the mixing of the comminuted material with the detergent which is taken into account when designing the tools.
  • the shredding and / or expanding device could also have a plurality of tool heads on which the striking and / or impacting and / or breaking and / or cutting and / or grinding and / or scraping tools are arranged in the desired order .
  • E.g. could be associated with a first, front tool head, striking and breaking tools, and the second, rear tool head with mahogany tools.
  • the renovation of PE pipes, for example. the use of a scraping tool was also found to be advantageous.
  • a drive unit which is arranged above ground or - if present - is stationed in a shaft-shaped start opening, could serve to drive the carrier device, which also serves to transmit power to the devices connected to it. Furthermore, a separate drive means could be provided, which drives the shredding and / or expanding device separately. In this way, radial and / or axial forces could be controlled, in particular amplified.
  • the device according to the invention has a detergent supply unit so that the reduction in friction and the long ranges of the carrier device which may be connected to the various above-described devices can be achieved. This is advantageously arranged in an accessible manner like the drive device and supplies the carrier device with detergent.
  • a further advantageous embodiment of the device according to the invention provides a location technique that is preferred with regard to large installation depths. Taking into account large installation depths, the control device is not equipped with a probe whose signal range is short, but instead a cable-guided transmitter is provided which allows work to be carried out at installation depths of approximately 40 m. Further location-specific embodiments of the device relate to the use of customary navigation methods using the earth's magnetic field and induction loop measurement. Of essential importance for a pipeline rehabilitation in the landfill area is also that stronger transmitter systems are unsuitable for signal transmission because there are metallic deposits in landfills that deflect the signal. It is also advantageous to design the control device to be non-magnetic.
  • Another object of the invention according to claim 39 is the use of a horizontal drilling machine, known per se, for the renovation of underground pipelines, the advantages of which are known from the area of trenchless relocation of pipelines being exploited.
  • This horizontal drilling machine could basically be used to carry out the method according to the invention.
  • the horizontal flushing drilling machine does not correspond to the device according to the invention since it cannot partially or completely destroy the pipeline to be rehabilitated or enlarge the cross-section of the installation path after the damaged pipeline has been destroyed.
  • a horizontal drilling machine could be designed in accordance with the features of the device according to the invention. It is also important that a pipe rehabilitation according to the invention can be carried out in a variety of areas, such as, for example, in the area of landfills or in the street and waste water area.
  • FIG. 1 shows a schematic, longitudinally sectioned representation of a landfill (type deep dump) as a special application of the method according to the invention at a point in time immediately after the target opening has been created using a horizontal drilling machine according to the invention and
  • Fig. 2 in a schematic, longitudinal section, enlarged and by one
  • Fig. 1 shows a landfill type of landfill, in which a defective pipe 1 is laid, which is to be renovated.
  • a start opening 2 and a target opening 3 can also be seen.
  • the start opening 2 extends through the soil 4 and comprises an already existing collecting shaft 5.
  • the destination opening 3 extends through the garbage body 6 of the landfill.
  • the refuse body 6 is surrounded by a penetration body 7, to which the start opening 2 or the collecting shaft 5 connects.
  • Fig. 2 it follows that the pipe 1 to be renovated specifies a Vertegepfad 8, in which a new pipe 9 is inserted.
  • the new pipeline 9 is coupled to a carrier device, not shown here.
  • the method in this exemplary embodiment is carried out in such a way that the start opening 2 is partially and the target opening 3 completely by means of a control device, not shown, which interacts with a locating device - through the material located between the pipeline 1 and the surface of the earth.
  • a carrier device also not shown, is introduced into the pipeline 1 to be renovated in the direction of the target opening 3 with the addition of a detergent. So that the target opening 3 can be created, the control device is connected to the carrier device and, after passing through the pipeline 1 to be renovated, creates the target opening 3.
  • control device is now at the surface of the earth by a - also not shown - Shredding and / or expanding device replaced and this subsequently coupled the new pipe 9 to the carrier device. Equipped in this way, the carrier device is moved in the direction of the start opening 2.
  • the concrete seal 11 is also broken up and expanded with the comminution and expansion device, since here the thickness of the penetration body is dimensioned such that the abrasive effect on the tools remains insignificant. Otherwise, a duct robot can be used for the area of the penetration body 7 for the partial destruction or expansion of the concrete seal 11, with a residual wall remaining.
  • the annular gap 12 formed between the new pipeline 9 and the remaining wall of the concrete seal 11 is indicatedly filled with sealing material 13.
  • the sealing material 13 now extends not only in the annular gap 12, but also in the transition region 14 between the penetration body 7 and the refuse body 6 and in the region 15 adjacent to the penetration body 7 and in this way creates an effective seal to the outside, in particular in the transition area 14, so that the destruction of sealing foils is negligible.
  • the pipeline 1 shown in Fig. 1 has two sections A and B.
  • section A the pipeline 1 is designed as leachate drainage, while the section B extending in the penetration body 7 has a closed pipeline jacket.
  • the new pipeline 9 in FIG. 2 also has a closed feed piece 16 which extends in the penetration body 7 and is welded to the rest of the pipeline 9 which serves for drainage.
  • a reference number 17 denotes a horizontal drilling machine from which the carrier device (not shown) equipped with the control device in the form of a guide rod is brought into the soil 4 towards the target opening 3. It is essential for this device that a shredding and expanding device is part of its equipment, which is equipped with impact, breaking and grinding tools which serve to destroy the pipeline 1 and are able to remove the material surrounding the pipeline 1 10 attack in the area of the garbage body 6 and in the area of the penetration body 7. To realize the material removal, for example. an additional drive unit or tool heads connected in series can be provided and the tools could be matched to the hardness of the material 10.
  • the teaching according to the invention is not restricted to the exemplary embodiment discussed above. Rather, the most varied of process variants and fields of application to be adapted to the respectively varying real conditions are possible, for example in gas, water or waste water pipes. Likewise, the device according to the invention can vary precisely with regard to the size reduction and expansion device, for example with regard to the sequence of the tools.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sewage (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

L'invention concerne un procédé de rénovation de canalisations souterraines, utilisées notamment dans le domaine des décharges, des routes et des eaux usées. Ledit procédé consiste à réaliser au moins partiellement, une ouverture initiale et/ou cible (2, 3). Une canalisation à rénover (1) définit au moins un tracé de pose (8) pour l'installation d'une nouvelle canalisation (9). Une unité support couplée à la nouvelle canalisation (9) est introduite dans la canalisation à rénover ou dans le tracé de pose (8). Afin d'éviter la construction de structures de puits coûteuses et afin de réaliser de grands tronçons de rénovation sur plus de 1000 m, il est prévu selon le procédé de l'invention, de pratiquer l'ouverture initiale et/ou cible (2, 3) au moins en partie à travers le matériau se trouvant entre la canalisation (1) et la surface de la terre, au moyen d'une unité de commande coopérant avec une unité de localisation, d'insérer l'unité support en ajoutant un fluide de rinçage dans la canalisation (1) à rénover en direction de l'ouverture cible (3), et d'introduire la nouvelle canalisation (9) en direction de l'ouverture initiale (2).
PCT/DE1996/002255 1995-11-28 1996-11-23 Procede et dispositif pour la renovation de canalisations souterraines, et utilisation WO1997020164A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU10295/97A AU1029597A (en) 1995-11-28 1996-11-23 Method and device for renovating underground pipelines, and use

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1995144191 DE19544191C1 (de) 1995-11-28 1995-11-28 Verfahren und Vorrichtung zum Sanieren von unterhalb der Erdoberfläche verlegten Rohrleitungen sowie Verwendung
DE19544191.5 1995-11-28

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Publication Number Publication Date
WO1997020164A1 true WO1997020164A1 (fr) 1997-06-05

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DE (1) DE19544191C1 (fr)
WO (1) WO1997020164A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010004672A1 (de) * 2009-09-22 2011-03-24 Max Streicher Gmbh & Co. Kg Aa Sanierungsvorrichtung und -verfahren

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2504729A1 (de) * 1975-02-05 1976-08-19 Hydro Jet System Establisment Verfahren zur bestimmung der verlegungstiefe von duekern
EP0159573A1 (fr) * 1984-04-02 1985-10-30 Witte Bohrtechnik GmbH Procédé et dispositif pour la pose des conduites souterraines d'intérieur inaccessible par poussage contrôlé
SU1276769A1 (ru) * 1985-03-06 1986-12-15 Всесоюзный научно-исследовательский институт по строительству магистральных трубопроводов Способ бестраншейной прокладки трубопровода
EP0246886A1 (fr) * 1986-05-22 1987-11-25 Flowmole Corporation Méthode et dispositif pour la localisation d'une foreuse-sol cachée
EP0247799A1 (fr) * 1986-05-22 1987-12-02 Flowmole Corporation Procédé et dispositif pour creuser un tunnel souterrain
EP0262882A2 (fr) * 1986-10-02 1988-04-06 Utilx Corporation Système autodirecteur pour un dispositif de forage du sol
GB2213904A (en) * 1987-12-23 1989-08-23 Kurimoto Ltd Pipe replacement by mole
EP0343800A2 (fr) * 1988-05-20 1989-11-29 Utilx Corporation Dispositif pour l'exécution d'un tunnel
WO1993009305A1 (fr) * 1991-11-06 1993-05-13 Bruno Granella Procede servant notamment au remplacement des canalisations d'egout, et dispositif d'application de ce procede
WO1995004236A1 (fr) * 1993-07-27 1995-02-09 Tenbusch Albert A Ii Technique de remplacement d'une conduite souterraine
DE4418953A1 (de) * 1994-05-31 1995-12-07 Bds Boden Und Deponie Sanierun Verfahren und Vorrichtung zum Sanieren von Altrohren, insbesondere für Mülldeponien

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2504729A1 (de) * 1975-02-05 1976-08-19 Hydro Jet System Establisment Verfahren zur bestimmung der verlegungstiefe von duekern
EP0159573A1 (fr) * 1984-04-02 1985-10-30 Witte Bohrtechnik GmbH Procédé et dispositif pour la pose des conduites souterraines d'intérieur inaccessible par poussage contrôlé
SU1276769A1 (ru) * 1985-03-06 1986-12-15 Всесоюзный научно-исследовательский институт по строительству магистральных трубопроводов Способ бестраншейной прокладки трубопровода
EP0246886A1 (fr) * 1986-05-22 1987-11-25 Flowmole Corporation Méthode et dispositif pour la localisation d'une foreuse-sol cachée
EP0247799A1 (fr) * 1986-05-22 1987-12-02 Flowmole Corporation Procédé et dispositif pour creuser un tunnel souterrain
EP0262882A2 (fr) * 1986-10-02 1988-04-06 Utilx Corporation Système autodirecteur pour un dispositif de forage du sol
GB2213904A (en) * 1987-12-23 1989-08-23 Kurimoto Ltd Pipe replacement by mole
EP0343800A2 (fr) * 1988-05-20 1989-11-29 Utilx Corporation Dispositif pour l'exécution d'un tunnel
WO1993009305A1 (fr) * 1991-11-06 1993-05-13 Bruno Granella Procede servant notamment au remplacement des canalisations d'egout, et dispositif d'application de ce procede
WO1995004236A1 (fr) * 1993-07-27 1995-02-09 Tenbusch Albert A Ii Technique de remplacement d'une conduite souterraine
DE4418953A1 (de) * 1994-05-31 1995-12-07 Bds Boden Und Deponie Sanierun Verfahren und Vorrichtung zum Sanieren von Altrohren, insbesondere für Mülldeponien

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED Section PQ Week 8729, Derwent World Patents Index; Class Q42, AN 87-204986, XP002027195 *

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AU1029597A (en) 1997-06-19

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