WO2005103547A1 - Connecteur tubulaire et dispositif pour le realiser - Google Patents

Connecteur tubulaire et dispositif pour le realiser Download PDF

Info

Publication number
WO2005103547A1
WO2005103547A1 PCT/DE2005/000682 DE2005000682W WO2005103547A1 WO 2005103547 A1 WO2005103547 A1 WO 2005103547A1 DE 2005000682 W DE2005000682 W DE 2005000682W WO 2005103547 A1 WO2005103547 A1 WO 2005103547A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressing
pipe
pipe connection
elements
connection according
Prior art date
Application number
PCT/DE2005/000682
Other languages
German (de)
English (en)
Inventor
Ralf MÖSSINGER
Andreas Stelke
Original Assignee
Mössinger + Wolter
Minroc Bohrausrüstungen GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34042367&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2005103547(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mössinger + Wolter, Minroc Bohrausrüstungen GmbH filed Critical Mössinger + Wolter
Priority to EP05742371A priority Critical patent/EP1740871A1/fr
Publication of WO2005103547A1 publication Critical patent/WO2005103547A1/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
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/046—Connecting tubes to tube-like fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0046—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts formed by a plurality of elements arranged longitudinally
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for

Definitions

  • the invention relates to a pipe connection and a device for producing a pipe connection of a cladding tube, which is used in percussion or rotary percussion drilling of bores of a tubular screen when driving a tunnel, the tubular screen consisting of a plurality of bores extending on the profile circumference in the longitudinal direction of the dismantling, in each of which a plurality of tubular elements to be connected are drawn in.
  • AT 408 472 B discloses a method and a device for drilling, in particular impact or rotary impact drilling and lining of holes in soil or rock material, a drilling hole being formed by a striking and / or rotating movement of a drill bit mounted on a drill pipe and with the advance movement during drilling, a cladding tube coupled to the drill bit and forming a lining is introduced into the borehole in the axial direction by applying tensile force to the drill bit.
  • the drill bit is at least partially removed from the cladding tube together with the drill pipe. With this procedure, the drill bit can rotate relative to the cladding tube.
  • the connection of the individual pipe elements is only stressed in train.
  • an anchor is introduced into the cladding tube and / or backfilled with a hardening material.
  • the invention has for its object to provide a pipe connection of a cladding tube, which is used in percussion or rotary impact drilling of bores of a pipe screen when driving a tunnel, which is simple and inexpensive to manufacture, and to provide a device for producing a pipe connection.
  • the first part of this object is achieved in a pipe connection with the features of the protection claim 1 in that the pipe ends of the pipe elements are designed as socket ends and spigot ends engaging in the socket ends, the pipe elements being pressed radially inward, at least in regions, of the socket end in provided recesses of the tip end are positively connected to each other.
  • a connection can be made with a device according to the features of claim 13.
  • the pipe connection according to the invention does not require the production of complex thread pairs, which are basically manufactured with high accuracy must be possible to enable a perfect connection of the pipe ends.
  • it is completely sufficient to connect the individual tube elements to one another in a tensile manner.
  • a transmission of torque, as is possible with thread pairings, is not absolutely necessary for cladding tubes. This function can therefore be omitted for a cladding tube connection.
  • the form-fitting, tensile connection with one another by means of plastic deformation of the socket end can be achieved on site using simple technical means.
  • the depressions are arranged and dimensioned in terms of their geometry in such a way that sufficient tensile strength can be guaranteed for the specific application.
  • the depressions could be troughs or holes in the tip end, material of the sleeve end being pressed into these troughs or holes in the wall of the sleeve end by localized plastic deformation.
  • the contact surfaces of the tip ends and the socket ends are preferably conical and have a cone angle in a range from 0.1 ° to 3 °. In particular, they have a cone angle of 0.3 ° to 1.0 °. The cone angle is preferably 0.5 °.
  • the length of the pipe ends is preferably in a range from 60% to 120% of the outer diameter of the pipe elements, preferably between 80% and 90%.
  • the pointed ends have at least one, advantageously several, circumferential grooves as recesses, which are used to hold the pressed material serve the end of the socket.
  • the grooves can be evenly distributed over the length of the tip end to enable an even transmission of force.
  • a first groove is arranged at a distance of 20% to 40%, in particular 30%, from the end face of the tip end.
  • Another groove is preferably arranged at a distance from the end face of the tip end between 70% and 90%, in particular at a distance of 80% of the length of the tip end.
  • the groove depth is advantageously between 30% to 80%, in particular 50% of the mean wall thickness of the tip end.
  • a particularly full-surface contact of the pressed material on the groove base is achieved in particular when the groove base of the grooves is rounded.
  • the material of the socket end is pressed into the groove of the spigot end in a form-fitting manner at least on a partial peripheral region.
  • the material is preferably pressed into the grooves in a form-fitting manner over the entire circumference. In certain applications, however, it may be sufficient to press the material of the sleeve end only over a partial area if a partial pressing already enables a sufficiently force-fit, tensile connection. In terms of manufacturing technology, it is generally cheaper to design the grooves all the way round, even if only a partial area of the groove is used for power transmission.
  • the non-positive connection is primarily subjected to tension, but of course a shear stress on the pipe connection is also possible.
  • the length of the pipe ends can be limited by an annular collar, so that thrust forces can also be introduced into the adjacent pipe element via the annular collar.
  • a device for producing the pipe connection according to the invention is claimed according to the features of protection claims 1 to 12.
  • This device comprises means for mutual orientation of the pipe ends in a connecting position as well as means for radially inward directed at least in some areas, pressing the material of the sleeve end into depressions in the tip end.
  • depressions in the form of circumferential grooves it is fundamentally conceivable that the material can be shifted radially inwards by rolling into these grooves and a positive, tensile connection is produced in this way.
  • means for pressing which are arranged distributed uniformly on the circumference of the tubular element, the radially inward pressing forces canceling each other out during pressing. In this way, deformation of the pipe connection can be prevented.
  • the means for pressing can in particular act in a star shape from preferably three or more directions simultaneously.
  • the device according to the invention can comprise means for rotating the pipe elements to be connected between two pressing operations.
  • Means for axially displacing the tubular elements can also be provided if a plurality of grooves are to be pressed in succession.
  • the means for the axial displacement can furthermore be provided for loading the device according to the invention and for mutual positioning of the pipe ends to be connected.
  • the protection claims 18 to 24 relate to a further developed device for producing a pipe connection.
  • the further development can be seen in the fact that the means for the radial, inward, at least partial pressing of the material are diametrically arranged pressing wedges, which are supported with a radially outer sliding surface on a counter pressure surface of an abutment component and by a pressing piston with coaxial to the longitudinal axis - fa ⁇
  • the effective direction extending between the pressed parts arranged pipe elements can be displaced relative to the abutment component, the force of the pressed piston being deflected in the direction of the pipe elements to be connected.
  • press wedges The advantage of using press wedges is that the device requires considerably less installation space in the radial direction than a design in which diametrically arranged hydraulic cylinders are supported on a frame and each execute radially inward pressing movements.
  • the further developed design with pressing wedges enables the outside diameter of the device to be kept smaller than four times the outside diameter of the pipe elements to be connected to one another. This is very advantageous, especially in view of the underground or in tunnel construction, only to a limited extent.
  • not only savings in terms of construction volume, but also the total weight are possible, since in this type of construction, the inclination of the counterpressure surface results in a force transmission, the force made available for forming increasing with the reciprocal of the tangent of the inclination angle.
  • the pressing wedges are preferably held in a linear guide, which can be formed in the abutment component.
  • a linear guide enables an exact and uniform displacement of all pressing wedges which are guided on the abutment component.
  • the injection piston is preferably configured in a ring shape and acts on a plurality of injection wedges simultaneously.
  • the injection piston is received with an annular cylinder, which surrounds the pipe elements to be connected.
  • a single, correspondingly large-sized injection piston ensures, on the one hand, an even pressurization of all injection wedges and is technically much easier to implement than a plurality of individual injection pistons, which are individually guided and sealed in appropriately designed cylinders Need to become.
  • the design with only one injection piston also has advantages in terms of control technology, since only two connections for the hydraulic fluid on the cylinder housing are required.
  • the injection piston can have a guide section on its side facing the abutment component, in which guide pockets through which the injection wedges are provided are provided.
  • the guide pockets have the function of guiding the pressing wedges in the axial direction.
  • the guiding of the pressing wedges in the abutment component prevents a rotating movement of the pressing piston.
  • the pressing piston is retracted, the guide pockets serving as drivers for the pressing wedges.
  • Figure 1 to be connected to each other tubular elements of a cladding tube in longitudinal section;
  • Figure 2 shows the interconnected pipe ends of Figure 1, also in longitudinal section;
  • Figure 3 shows a device for producing the pipe connection according to Figure 2;
  • Figure 4 in longitudinal section a second embodiment of a device for producing the pipe connection
  • Figure 5 shows the device of Figure 4 in side view.
  • FIG. 1 shows the end regions of two tubular elements 1, 2 of a cladding tube which is used for percussive or rotary percussion drilling of bores in a tubular screen when driving a tunnel.
  • the pipe elements 1, 2 are connected to one another at their pipe ends.
  • the pipe end on the right in the image plane is designed as a socket end 3, which can be plugged onto a tip end 4 of the other pipe element 1.
  • the sleeve end 3 and the spigot end 4 are L in length - o -
  • the mutually facing contact surfaces 9, 10 of the socket end 3 and the tip end 4 are conical and in this embodiment have a cone angle of 0.5 °.
  • the inner contact surface 10 of the sleeve end 3 is smooth over its entire longitudinal extent, while two circumferential grooves 11, 12 are formed in the contact surface 9 of the tip end 4.
  • the grooves 11, 12 have the same cross section, each with a rounded groove base 13, 14.
  • the groove depth corresponds to approximately 50% of the mean wall thickness WS of the tip end 4.
  • the first groove 11 facing the end face 5 is at a distance A1 of approximately 0.23 ⁇ L arranged from the end face 5.
  • the second groove 12 is arranged at a distance A2 of approximately 0.88 ⁇ L from the end face 5.
  • the ratio between the length L of the sleeve end 3 or spigot end 4 and the outer diameter AD of the pipe elements 1, 2 is 0.92.
  • the transition area between the end face 5 of the tip end 4 and the contact surface 9 is slightly chamfered by a peripheral bevel. The chamfer makes it easier to insert the tip end 4 into the socket end 3.
  • Figure 2 shows how the sleeve end 3 is connected to the tip end 4.
  • FIG. 3 shows a device for producing a pipe connection according to FIG. 2 in a highly simplified illustration.
  • the device 15 has a closed frame 16, into which the pipe elements 1, 2 to be connected are inserted centrally. Means for compressing act between the frame 16 and the tubular elements 1, 2. - y -
  • the means 17 for pressing are each offset by 90 °, so that two means 17 for pressing lie opposite each other.
  • the arrows P illustrate the stroke direction and thus the direction of action of the means 17 for pressing.
  • the means 17 for pressing are in particular hydraulically driven and move a pressing tool 18 radially towards the sleeve end and press material of the sleeve end into the grooves of the tip end in a manner not shown.
  • the means for pressing 17 are arranged so that the pressing forces cancel each other out. This counteracts an undesired cross-sectional deformation of the tubular elements 1, 2.
  • the pressing tools 18 each work only on a small circumferential area.
  • the pressing tools 18 are withdrawn and the pipe elements 1, 2 are rotated through a predetermined angular range around the longitudinal axis LA projecting into the image plane, so that a further circumferential area of the sleeve ends can be pressed. In this way, a sleeve end can engage in a form-fitting manner in the corresponding groove over its entire circumference.
  • FIG. 4 shows an embodiment of a device 19 for producing a pipe connection.
  • this device 19 is considerably more compact.
  • the pressing wedges 20 each have a radially outer side of a sliding surface 21, which includes an inclination angle N of 15 ° with the longitudinal axis LA of the tubular element 1 inserted into the device 19.
  • the sliding surface 21 slides on a counter pressure surface 22 of the same inclination of an abutment component 23 when it is pressurized by a compression piston 24 via an end pressure surface 29.
  • the direction of action of the pressing piston 24, which is illustrated by the arrow F, runs coaxially or parallel to the longitudinal axis LA of the tubular element 1 arranged between the pressing wedges 20.
  • the arrow U illustrates the direction of action of the forming force, the larger arrow length of which is intended to illustrate the force transmission.
  • the pressing wedges 20 are in their outer dead position and abut against a stop ring 25, which is part of a guide section 26 formed in one piece with the pressing piston 24.
  • a plurality of guide pockets 28 are formed in the guide section 26, through which the individual pressing wedges 20 pass.
  • the injection piston 24 is guided in a sealed manner in the annular cylinder 27 via a plurality of sealing and stripping elements.
  • a sealing flange 30 configured in an L-shaped cross section is fastened by screws to the outer wall 31 of the cylinder 27 by means of screws 32 inserted at the end.
  • the abutment component 23 is in turn fastened by screws to this sealing flange 30.
  • the arrangement of the fastening screws 33 which penetrate the abutment component 23 in the longitudinal direction can be seen in FIG. 5.
  • the fastening screws 33 are each arranged in pairs, the angle between two screw pairs corresponding to the angle between the adjacent pressing wedges 20.
  • a linear guide 34 can be seen in FIG. 5, in which the pressing wedges 20 are guided relative to the abutment component 23. Furthermore, it can be seen that the pressing wedges 20 not only pass through guide pockets 28 in the guide section 26, but grooves 35 are subsequently guided in the abutment components 23 after the linear guide 34.
  • LA - Longitudinal axis from 1, 2

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

La présente invention concerne un connecteur tubulaire d'un tube de gainage, qui est utilisé dans le cadre du forage par percussion ou par rotopercussion de trous d'un écran de protection tubulaire au cours de l'avancement d'un tunnel, l'écran de protection tubulaire étant constitué d'une pluralité de trous qui s'étendent sur la périphérie profilée en direction longitudinale de l'exploitation, une pluralité d'éléments tubulaires destinés à être reliés entre eux, étant insérés respectivement dans lesdits trous. L'invention se caractérise en ce que les extrémités tubulaires (3, 4) des éléments tubulaires (1, 2), se présentent sous la forme d'extrémités de type manchon (3) et d'extrémités de type pointe (4) qui viennent en prise dans les extrémités de type manchon (3). Les éléments tubulaires (1, 2) sont reliés fixement entre eux par liaison de forme, grâce à une compression au moins partielle, dirigée radialement vers l'intérieur, de l'extrémité de type manchon (3) dans des parties en retrait (11, 12) de l'extrémité de type pointe (4), prévues à cet effet. Un dispositif pour réaliser ce connecteur tubulaire, comprend des moyens appropriés permettant une compression au moins partielle, dirigée radialement vers l'intérieur, du matériau constitutif de l'extrémité de type manchon, dans des parties en retrait de l'extrémité de type pointe.
PCT/DE2005/000682 2004-04-24 2005-04-14 Connecteur tubulaire et dispositif pour le realiser WO2005103547A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05742371A EP1740871A1 (fr) 2004-04-24 2005-04-14 Connecteur tubulaire et dispositif pour le realiser

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102004020065.3 2004-04-24
DE102004020065A DE102004020065B3 (de) 2004-04-24 2004-04-24 Rohrverbindung
DE202004016655.0 2004-10-28
DE202004016655U DE202004016655U1 (de) 2004-04-24 2004-10-28 Rohrverbindung und Vorrichtung zur Herstellung einer Rohrverbindung

Publications (1)

Publication Number Publication Date
WO2005103547A1 true WO2005103547A1 (fr) 2005-11-03

Family

ID=34042367

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2005/000682 WO2005103547A1 (fr) 2004-04-24 2005-04-14 Connecteur tubulaire et dispositif pour le realiser

Country Status (3)

Country Link
EP (1) EP1740871A1 (fr)
DE (2) DE102004020065B3 (fr)
WO (1) WO2005103547A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010009507A1 (fr) * 2008-07-25 2010-01-28 Garford Pty Ltd Procédé de rétreinte
WO2011017723A1 (fr) 2009-08-12 2011-02-17 Dywidag-Systems International Gmbh Raccord de tuyauterie et dispositif pour former un raccord de tuyauterie
CN106869818A (zh) * 2017-05-04 2017-06-20 柳富献 一种空心抽油杆接头
CN108709039A (zh) * 2018-06-27 2018-10-26 日丰企业（佛山）有限公司 连接管件
EP3639943A1 (fr) * 2018-10-15 2020-04-22 Continental Automotive GmbH Procédé de fixation et unité structurale ainsi fabriquée

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006003409U1 (de) * 2006-03-04 2006-08-10 Maschinenbau Kolk Gmbh Rohrschirm mit gesteckten Hüllrohren
ITMC20060181A1 (it) * 2006-12-29 2008-06-30 O M C E Di Rocchetti Amleto Spa Gabbia di contenimento per serbatoi.
AT504914B1 (de) * 2007-04-19 2008-09-15 Techmo Entw & Vertriebs Gmbh Rohrverbindungsmuffe
AT508617B1 (de) * 2009-08-12 2011-07-15 Dywidag Systems Int Gmbh Rohrverbindung sowie vorrichtung zur ausbildung einer rohrverbindung
JP6299752B2 (ja) * 2013-04-09 2018-03-28 日本精工株式会社 接合構造体
GB2503344B (en) * 2013-05-17 2014-07-02 Meta Downhole Ltd Pipe coupling
CN106029250B (zh) * 2014-02-20 2018-08-28 奥林巴斯株式会社 管联接体、处理器具及联接方法
JP6318733B2 (ja) * 2014-03-14 2018-05-09 オムロン株式会社 カシメ構造およびカシメ方法、ならびに電子機器
GB2527109A (en) * 2014-06-12 2015-12-16 Meta Downhole Ltd Pipe coupling
GB201413734D0 (en) * 2014-08-03 2014-09-17 Meta Downhole Ltd Pipe coupling make up assembly
CN108672571A (zh) * 2018-05-21 2018-10-19 晋西工业集团有限责任公司 一种辊压成型工艺
CN112211648B (zh) * 2020-10-15 2023-07-07 中铁二局第二工程有限公司 一种高地应力软岩地层隧道交叉口及其施工方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1693839A (en) * 1924-03-10 1928-12-04 Faudi Fritz Method of jointing tubular members
DE2214339A1 (de) * 1972-03-24 1973-09-27 Geb Bechtel Elga Schroeck Vorrichtung zum einschieben und anpressen von armaturen an schlauchleitungen
DE20009667U1 (de) * 2000-03-06 2000-09-07 Techmo Entw & Vertriebs Gmbh Rohrschirm und Vorrichtung zur Herstellung eines Rohrschirms beim Vortrieb eines Tunnels
US6474701B1 (en) * 1996-04-30 2002-11-05 Weatherford/Lamb, Inc. Tubing connector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639891A1 (de) * 1986-11-21 1988-06-01 Bilfinger Berger Bau Verfahren zur herstellung eines rohrinjektionsschirms oberhalb von tunneln sowie vorrichtung zur durchfuehrung des verfahrens
AT408472B (de) * 1997-06-18 2001-12-27 Techmo Entw & Vertriebs Gmbh Verfahren und einrichtung zum bohren und auskleiden von löchern
DE10234255B4 (de) * 2002-06-27 2010-07-01 Friedr. Ischebeck Gmbh Verwendung von Bohr-Injektionsankern als flächentragende Armierung eines Vortriebs-Gewölbeschirmes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1693839A (en) * 1924-03-10 1928-12-04 Faudi Fritz Method of jointing tubular members
DE2214339A1 (de) * 1972-03-24 1973-09-27 Geb Bechtel Elga Schroeck Vorrichtung zum einschieben und anpressen von armaturen an schlauchleitungen
US6474701B1 (en) * 1996-04-30 2002-11-05 Weatherford/Lamb, Inc. Tubing connector
DE20009667U1 (de) * 2000-03-06 2000-09-07 Techmo Entw & Vertriebs Gmbh Rohrschirm und Vorrichtung zur Herstellung eines Rohrschirms beim Vortrieb eines Tunnels

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010009507A1 (fr) * 2008-07-25 2010-01-28 Garford Pty Ltd Procédé de rétreinte
AU2009273762B2 (en) * 2008-07-25 2015-05-07 Garford Pty Ltd A method of swaging
WO2011017723A1 (fr) 2009-08-12 2011-02-17 Dywidag-Systems International Gmbh Raccord de tuyauterie et dispositif pour former un raccord de tuyauterie
CN106869818A (zh) * 2017-05-04 2017-06-20 柳富献 一种空心抽油杆接头
CN108709039A (zh) * 2018-06-27 2018-10-26 日丰企业（佛山）有限公司 连接管件
CN108709039B (zh) * 2018-06-27 2024-04-05 日丰企业（佛山）有限公司 连接管件
EP3639943A1 (fr) * 2018-10-15 2020-04-22 Continental Automotive GmbH Procédé de fixation et unité structurale ainsi fabriquée

Also Published As

Publication number Publication date
EP1740871A1 (fr) 2007-01-10
DE202004016655U1 (de) 2005-01-05
DE102004020065B3 (de) 2005-09-22

Similar Documents

Publication Publication Date Title
WO2005103547A1 (fr) Connecteur tubulaire et dispositif pour le realiser
DE3629365A1 (de) Flexibler gebirgsanker
EP2553202B1 (fr) Procédé pour faire fonctionner un dispositif de forage horizontal et dispositif de forage horizontal
EP1948900B1 (fr) Dispositif de forage du sol
WO1998021439A1 (fr) Procede et dispositif pour forer et revetir en meme temps des trous
EP0860638B1 (fr) Dispositif et procédé de pose de tubes céramiques sans excavation
DE3415627A1 (de) Rohrpruefgeraet
EP3287588B1 (fr) Machine de travail et procédé destiné au travail d'un sol
DE3626988C2 (fr)
DE19749007C2 (de) Vorrichtung zum Verbinden eines Nachziehrohres mit einem Ziehgerät
DE102014004087B3 (de) Selbstbohrende Injektionslanze und Verfahren zur Erdreichstabilisierung unter Verwendung derselben
EP3456914B1 (fr) Dispositif de forage double tête et procédé de réalisation d'un forage
EP2535601A1 (fr) Vis d'ancrage
WO2013131777A2 (fr) Ancrage pour roche
DE102019005132B4 (de) Selbstgetriebener Bohrkopf
EP3848512B1 (fr) Procédé de création d'un élément de fondation dans le sol et élément de fondation
EP2959995B1 (fr) Outil de montage et procédé d'installation en retrait d'une rosace de cheville
DE4233304A1 (de) Kupplungsmuffe und Verfahren zur Herstellung einer Kupplungsmuffe
EP2878761B1 (fr) Couronne de forage destinée au forage d'un sol de construction et procédé de détachement d'une couronne de forage destinée au forage d'un sol de construction d'un tube foré
DE102011000320A1 (de) Bohranlage zum Durchführen von Bohrungen im Erdreich
EP3480419B1 (fr) Dispositif formant tarière hélicoïdale et procédé de formation d'un dispositif formant tarière hélicoïdale
DE19925730C1 (de) Pressbohrstrang für eine Pressbohranlage
DE19813087A1 (de) Bohrvorrichtung
DE10116103B4 (de) Vorrichtung zum Auffahren einer unterirdischen Bohrung
EP1867830A1 (fr) Tube de gainage

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM 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 SM 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: A1

Designated state(s): BW GH 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 IS IT LT 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

Ref document number: 2005742371

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2005742371

Country of ref document: EP