EP3231980A1 - Tête d'alésage comprenant un support de burin et leur procédé d'assemblage - Google Patents

Tête d'alésage comprenant un support de burin et leur procédé d'assemblage Download PDF

Info

Publication number
EP3231980A1
EP3231980A1 EP17450003.3A EP17450003A EP3231980A1 EP 3231980 A1 EP3231980 A1 EP 3231980A1 EP 17450003 A EP17450003 A EP 17450003A EP 3231980 A1 EP3231980 A1 EP 3231980A1
Authority
EP
European Patent Office
Prior art keywords
adapter
drill head
drill
shaft part
driver
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP17450003.3A
Other languages
German (de)
English (en)
Other versions
EP3231980B1 (fr
Inventor
Karl BÖHM
Walter Karpellus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSI Underground Austria GmbH
Original Assignee
Dywidag Systems International GmbH Austria
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 Dywidag Systems International GmbH Austria filed Critical Dywidag Systems International GmbH Austria
Priority to PL17450003T priority Critical patent/PL3231980T3/pl
Publication of EP3231980A1 publication Critical patent/EP3231980A1/fr
Application granted granted Critical
Publication of EP3231980B1 publication Critical patent/EP3231980B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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

Definitions

  • the present invention relates to a drill head with a drill head body in which a plurality of drill pins and / or drill rails is fixed in corresponding receiving openings, a drill head shaft, which is designed for connection to a selected from a further shaft part or an adapter element, at least one Recess for the removal of cuttings and optionally at least one opening for dispensing flushing fluid and a method for assembling a drill head consisting of a drill head body, in which a plurality of drill pins and / or drill rails is defined in corresponding receiving openings, a drill head shaft, which for connection to a from a further shaft part or an adapter selected element is adapted, which has at least one recess for the removal of cuttings and optionally at least one opening for dispensing flushing fluid.
  • a drilling device with a drill head, on which a plurality of drill bits or drill pins or drill rails are attached, connected either by means of an adapter or directly to a drill pipe, which the drill head by means of a striking or rotating movement in the soil or rock material brings.
  • the drill head In order to be able to safely remove drill cuttings occurring during this introduction or the release work, the drill head is usually surrounded by an envelope or jacket tube, and this jacket or jacket tube is either hammered or drawn into the borehole.
  • the drill head or the adapter connected to the drill head via impact surfaces, impact shoulders or other driver with the casing or casing tube engaged to bring this into the interior of the borehole.
  • WO 2005/033467 A1 discloses a method and apparatus for drilling holes in soil or rock material, wherein a drill bit supported on a drill string is used to create a wellbore, and a cladding tube is inserted into the wellbore to be drilled simultaneously with the drill bit.
  • the impact energy introduced by a drill string is partially applied by the drill string on the drill bit and partially on a transferred to the jacking or cladding tube cooperating with the drill string.
  • both the adapter of the drill head or the drill bit is separable, as well as the drill pipe from the adapter separable and finally a detachable from the adapter impact ring is provided which interacts with a corresponding impact shoe or impact element of a cladding tube, to bring the cladding tube into the interior of a borehole.
  • the invention now aims to provide a drill head with a drill head body, with which it succeeds in a drilling and / or rotary impact drilling simultaneously with the formation of the borehole a cladding tube in the interior of the borehole in which a risk of unintentional disconnection of the drill head from the shaft or the adapter used for insertion is kept behind.
  • the present invention aims to provide a method for assembling a drill head with a drill head body, with which it is possible to provide a drill head and drill head body, which ensures a safe and reliable introduction of a cladding tube into a borehole simultaneously with the Formation of the borehole ensured.
  • the device according to the invention is essentially characterized in that the drill head shaft is formed as provided with a first connecting element for connection to the further shaft part stub shaft, that directed to the drill head end portion of the substantially tubular further shaft portion or the adapter with a cooperating with the first connecting element of the Bohrkopfschafts second connecting element is formed, that an end face of the further shaft portion or the adapter facing the well head is formed with at least one substantially annular abutment part and that one to the substantially annular abutment part engageable, the other Shank part or the adapter surrounding driver is provided.
  • the drill head shaft is formed so that a shaft portion is formed with a first connecting element as a stub shaft, it is ensured that the shaft length can be kept relatively short overall, which not only saves material, but in particular any risk of deviating Drill head from the desired direction by curving, buckling or the like.
  • Stub shaft is held back, so that clean and straight holes can be formed.
  • the shaft parts to be joined could also be formed from mutually different materials, so that, for example, expensive materials for drill head body including stub shaft are used and the remaining components are made of less expensive materials, whereby not significant cost advantages, especially in lost drill bits are achieved.
  • the driver according to the invention is also referred to as a "striking star". This designation is primarily intended to characterize the shape of the driver, which is essentially star-shaped.
  • the star-shaped configuration may in this case be chosen such that between four and six extensions or corresponding recesses are provided.
  • the drill head body is also referred to by experts as a crown body and also the drill head as such may be referred to as a drill bit. Regardless of the choice of designation, a drill head body or drill bit body is understood to mean that part of the drill head or drill bit in which the release tools are inserted.
  • connecting elements are selected for connecting the stub shaft with another shaft part of cooperating threaded parts, connector parts such as bayonet connection elements or clamp connection elements, it is possible to provide a releasable connection in a first step, which, if necessary, be solved again at any time can, for example, be such a release then be necessary if it turns out that the driver is incorrectly dimensioned, the wrong drill bit was selected and another drill bit with other drilling pins or drill bars must be used or even the second shaft part not according to Borehole environment was selected.
  • the connecting elements are selected for connecting the stub shaft with another shaft part of cooperating threaded parts, connector parts such as bayonet connection elements or clamp connection elements
  • a releasable connection is provided, which, however, is sufficiently stable that it must not be feared even in rough drilling operation that an unintentional loosening or rising the same happens, even if, for example, in the production of short holes on a soldering of the connecting parts is omitted.
  • the procedure is such that, in addition, an indissoluble fixing of the first and second connecting elements to one another with a solder is provided.
  • an insoluble fixing of the first and second connecting elements to each other is provided by means of solder, it is ensured that unintentional loosening of the two connecting elements and thus the drill head with the stub shank of the other shaft part is also safely stopped when drilling in hard rock.
  • the solder joint further exchange or further adaptation and adaptation of the drill head to expected conditions is no longer possible.
  • Drilling heads with their shank parts are relatively expensive due to the fact that they are usually made of hard metal or high-quality steel. Usually, however, in order to meet the requirements for mining rock material from the interior of a wellbore, it is sufficient to fabricate only the area of its head or area in which drilling pins or drill rails are inserted from suitably highly tempered materials. For facing away from a drill hole parts of the drill head therefore usually provides the provision of normal steel grades. In order to be able to take better account of such requirements, according to a further development, the drill head is designed so that the stub shank is formed integrally with the drill head body and that the stub shank is formed from a different material from the further shank part or adapter to be connected therewith.
  • the boring head is designed such that the driver is movably, in particular rotatably arranged on the further shaft part or the adapter.
  • the movable or rotatable arrangement of the driver ensures that the cladding tube, which is drawn by the rotatably mounted driver into a borehole, is introduced straight into the borehole without any twist, while the boring head carries out, for example, a rotary boring performs.
  • the rotatable arrangement of the driver remains when the drill head is rotated, the driver at rest and thus it can be a cladding tube and it can thus be retracted without any twisting and twisting.
  • the drill head is formed so that the driver has at its outer periphery a plurality of recesses.
  • the plurality of recesses on the outer periphery of the driver cuttings can be introduced into the interior of the cladding tube and transported safely and reliably to the exterior of the wellbore.
  • the drill head is designed so that a directed to the drill head body outer peripheral portion of the driver contoured, in particular curved, it is possible to take the jacket tube safely without slipping or accidental slipping of the driver is to be feared by the cladding.
  • the driver has a region of smaller diameter and a region of larger diameter, and the region of larger diameter engages with a region of smaller diameter of the cladding, so that this is safely and reliably entrained:
  • the Drilling head formed so that the contouring of the outer periphery of the driver is designed as an engaging and / or holding element for a possibly cooperating with the drill head beginner tube or cladding tube.
  • the further shaft portion or the adapter is provided at its side facing away from the drill head body end portion with an internal thread, this can be connected to either another adapter or a drill rod by simply screwing, making a particularly simple and Reliable assembly of a complete system succeeds.
  • the further shaft part or adapter is formed with two substantially parallel stop members, a particularly uniform introduction of the drill head is ensured in the interior of the borehole.
  • the stop members are designed as substantially normal to a rotation axis through the drill head body, the further shaft part or the adapter directed substantially annular abutment surfaces, the largest possible stop surfaces are provided and in particular a uniform application of the entire Adapters ensured, whereby the service life of the entire system is extended.
  • the invention therefore further relates to a method of assembling a boring head according to the invention in order to provide a boring head which, on the one hand, safely and reliably withstands the movements during boring and, on the other hand, at the same time continuously a duct into the interior of a borehole can move in.
  • the inventive method is essentially characterized in that arranged on a substantially tubular-shaped further shaft part or adapter, the further shaft part or the adapter surrounding driver, in particular rotatably arranged that the other Shaft part or the adapter by means provided thereon first and second fasteners in or on one provided on the formed as a stub shaft drill head shank fastener is releasably determined that after detachably fixing the other shaft part or the adapter to the stub shank of Bohrkopf stressess, by welding, soldering or Riveting the other shaft part or the adapter with the stub shank of Bohrkopf emotionss a permanent connection is formed and that the insoluble compound is optionally subjected to a temperature treatment.
  • the method according to the invention is further developed such that, after brazing, a heat treatment, in particular annealing, is carried out.
  • a heat treatment in particular tempering, after soldering, it is ensured that the solder joints are not subject to any stresses and can withstand the massive stresses of forming a hole in soil and rock material with certainty.
  • a process management form a drill bit, in which the individual components made of different steel grades are, as built by a temperature treatment internal stresses and cracking or breaking of the connection is prevented.
  • the existing residual heat can be used during annealing or after annealing to form structural changes in the steel grades.
  • the breaking strength of the material is increased by up to 20%, thereby further increasing the stability of the drill head.
  • the use of different steel grades can be made specifically.
  • expensive materials can be used for only the drill head body and for the shaft parts or in particular the further shaft part cheaper materials or softer steel grades can be used without the risk of premature wear or breakage of the drill head is to be feared.
  • the process is performed so that the temperature and / or duration of the annealing are chosen such that in the other shaft part or the adapter during annealing, a structural change is effected and that the driver and Bohrkopf stresses of a If different materials are formed by the further shaft part or the adapter, in particular a saving in the materials used for the drilling head can be achieved.
  • annealing the formation of a structural change is achieved, so that even clearly different materials, in particular materials with different expansion coefficients can be safely and reliably connected.
  • Fig. 1 1 designates a drill head which is articulated from a drill head body 2, on which a part of a drill head shaft 3 designed as a stump shank is articulated, and also a further shank part 4, which can also serve as an adapter, consists, wherein the shaft part 4 with the drill head shaft 3 in the in Fig. 1 shown training is shown in the connected state.
  • a driver or striking star 5 Surrounding the shank parts or the drill head shank 3, 4 is provided a driver or striking star 5, which driver 5 is formed during the formation of a borehole for drawing in a sheath tube 6 into the borehole.
  • the drill head body 2 in this case a plurality of drill pins 7 are provided in corresponding receiving openings, which drill pins 7 may be formed differently in both the shape and in number and their arrangement in the drill head body 2.
  • the drill head body 2 has an opening 8 for discharging flushing fluid, which opening 8 communicates with a corresponding recess or conduit 9 in the interior of both the drill head shaft 3 and the further shaft part or adapter 4 in order to reliably supply the flushing fluid the opening 8 in the drill head body 2 to be able to perform.
  • the opening 8 is formed as a backwash.
  • the lower free end of the further shaft part or adapter 4 is designed to be connected to, for example, a boring bar, which in Fig. 1 not shown to connect.
  • the further shaft part 4 as well as the drill head shaft 3 are in the in Fig. 1 shown training screwed together, wherein in the region of the screw additionally soldering may be appropriate to connect the two parts inseparable.
  • the parts 3 and 4 can also be connected by means of plug connection, bayonet connection or thread.
  • the driver 5 is in the in Fig. 1 Training shown formed as an annular element which can rotate freely around the drill head shaft 3, 4.
  • the driver 5 is designed such that it has a plurality of recesses 9 distributed around its outer circumference 10, which in particular Fig. 3 are shown more clearly.
  • the driver is designed so that an outer peripheral region 10 of the driver directed towards the drill head body is contoured, in particular curved.
  • a kind of tooth 11 is formed, which engages in a corresponding shoulder 12 of the cladding tube 6 and pulls through this engagement in a propulsion in the direction of the arrow 13, the cladding tube 6 in the interior of a borehole.
  • This tooth 11 is thus formed as engaging and / or holding element 11 for cooperating with the drill head 1 sheath 6.
  • the further shaft part 4 or the adapter is essentially formed with two stop parts 14 and 15 arranged parallel to one another.
  • the stop member 15 the possibility that in the further shaft part or the adapter 4, for example, a further adapter is used in the In which case, the abutment surface 15 interacts with a complementary abutment surface of the other adapter to allow a safe power transmission.
  • FIG. 2 In the presentation according to Fig. 2 are the reference numerals of Fig. 1 retain, with in Fig. 2 In addition, passages 16 in the contoured drill head body 2 can be seen, through which passages 16 drill cuttings can be discharged into the interior of the cladding tube 6.
  • Fig. 3 In the presentation of Fig. 3 is the cladding omitted and also in the representation of Fig. 3 the drill head shaft or stub shaft 3 and the adapter or the further shaft part 4 are shown in the screwed state.
  • the exact construction of the driver 5 is clearly visible, in particular, the engagement and holding member 11 is clearly visible, which is engageable in a shoulder 12 of the cladding tube 6 into engagement and pull the cladding tube 6 in the interior of the borehole 1 can.
  • a part of the drill head 1 is shown, namely the driver 5 and the further shaft part or adapter 4.
  • the driver 5 is shown in the illustration Fig. 4 analogous to those of Fig. 1 to 3 trained, so that a closer approach to the same does not seem necessary.
  • the further shaft part or the adapter 4 is in Fig. 4 shown separately from the stub shaft 3 and it can be seen that the end portion, which should look to the shaft portion 3, is formed with a thread 17.
  • the thread 17 is in this case connected to a complementary thread in the shaft part 3 and optionally subsequently soldered to provide a permanent bond.
  • Fig. 5 is a plan view partially shown in the perspective of the driver or striking star 5.
  • the driver 5 in this case has an annular passage 18 through which the drill head shaft 3 and the further shaft part of the drill head 1 pass and around which shaft of the driver 5 is rotatably arranged.
  • recesses 9 or extensions 19 are formed on the circumference of the driver, distributed at regular intervals.
  • the extensions have a curved outer peripheral region 10, on which, as in connection with Fig. 1 has already been described, a kind of tooth 11 is formed. This number 11 is directed to the drill head 1 and cuts in operation in a corresponding shoulder of the cladding tube 6 a.
  • Deviating from the representations of Fig. 1 to 3 is also the opposite of the drill head 1 end portion of the adapter 4 formed differently, in particular, it has an education with front teeth, which mesh with a corresponding complementary design of another adapter or a drill rod to unintentional rotation of the drill rod or another adapter , which are both not shown here, with respect to the other shaft part 4 with security hinanzuhalten.
  • a plug connection for connection to the shank part 3 of the drill head body 2
  • a bayonet connection or any other detachable connection can be provided, which can subsequently be made into a non-detachable connection by soldering is not mandatory.
  • Another embodiment of the annular driver, which is freely rotatable on the shaft of the drill head is conceivable, so the number of extending in the radial direction extensions 10 may vary and it can be provided in particular between 4 and 6 of these extensions. It is important that between the extensions 10 passage openings 9 are provided to carry cuttings can.
  • the drill head body 2 can be of any desired design, wherein any shape of known drill head or drill head body can be used as long as this drill head or drill head body has a shank 3, in particular stub shank, which can be connected to a further shank part 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
EP17450003.3A 2016-04-07 2017-03-29 Tête d'alésage comprenant un support de burin et leur procédé d'assemblage Not-in-force EP3231980B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17450003T PL3231980T3 (pl) 2016-04-07 2017-03-29 Głowica wiertnicza z obsadą świdra i sposób jej montażu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT802016 2016-04-07

Publications (2)

Publication Number Publication Date
EP3231980A1 true EP3231980A1 (fr) 2017-10-18
EP3231980B1 EP3231980B1 (fr) 2018-12-12

Family

ID=58489279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17450003.3A Not-in-force EP3231980B1 (fr) 2016-04-07 2017-03-29 Tête d'alésage comprenant un support de burin et leur procédé d'assemblage

Country Status (2)

Country Link
EP (1) EP3231980B1 (fr)
PL (1) PL3231980T3 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003004824A1 (fr) * 2001-07-02 2003-01-16 Loef Uno Dispositif de forage
WO2005033467A1 (fr) 2003-10-08 2005-04-14 Techmo Entwicklungs- Und Vertriebs Gmbh Procédé et dispositif permettant de creuser des trous dans des sols ou des roches
WO2010071563A1 (fr) * 2008-12-18 2010-06-24 Sandvik Intellectual Property Ab Outil de forage pour forage à percussion dans la roche ; kit de complément, trépan annulaire et sabot de tubage
WO2011079339A2 (fr) * 2009-12-23 2011-07-07 Dywidag-Systems International Gmbh Couronne de forage pour le forage, notamment le forage percutant ou rotopercutant de trous dans le sol ou la pierre
EP1818499B1 (fr) 2006-02-09 2011-08-17 Gonar Sp. Zo.o. Dispositif permettant le forage et le tubage simultané

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003004824A1 (fr) * 2001-07-02 2003-01-16 Loef Uno Dispositif de forage
WO2005033467A1 (fr) 2003-10-08 2005-04-14 Techmo Entwicklungs- Und Vertriebs Gmbh Procédé et dispositif permettant de creuser des trous dans des sols ou des roches
EP1818499B1 (fr) 2006-02-09 2011-08-17 Gonar Sp. Zo.o. Dispositif permettant le forage et le tubage simultané
WO2010071563A1 (fr) * 2008-12-18 2010-06-24 Sandvik Intellectual Property Ab Outil de forage pour forage à percussion dans la roche ; kit de complément, trépan annulaire et sabot de tubage
WO2011079339A2 (fr) * 2009-12-23 2011-07-07 Dywidag-Systems International Gmbh Couronne de forage pour le forage, notamment le forage percutant ou rotopercutant de trous dans le sol ou la pierre

Also Published As

Publication number Publication date
EP3231980B1 (fr) 2018-12-12
PL3231980T3 (pl) 2019-08-30

Similar Documents

Publication Publication Date Title
EP2794158B1 (fr) Foret tubulaire avec une section échangeable de foret tubulaire
EP2745964A1 (fr) Section de coupe
EP3083116A1 (fr) Couronne de forage comportant une partie de coupe remplaçable
WO2005095752A1 (fr) Procede et dispositif de forage de trous dans le sol ou la pierre
CH615094A5 (fr)
EP2496786B1 (fr) Procédé de forage, en particulier de forage par percussion ou par rotopercussion pour creuser des trous dans le sol ou dans des roches et dispositif associé
EP3016770B2 (fr) Système de tête interchangeable pour l'usinage de métaux
EP3231980B1 (fr) Tête d'alésage comprenant un support de burin et leur procédé d'assemblage
EP3135856B1 (fr) Raccord à baïonnette destiné à accoupler des extrémités de tubes de forage, tiges de forage ou tiges d'ancrage
AT390303B (de) Bohrvorrichtung
EP3029262B1 (fr) Tige de forage, système de connexion, dispositif de forage de la terre et procédé de connexion d'une tige de sondage
AT15453U1 (de) Bohrkopf mit einem Meisselhalter sowie Verfahren zum Zusammenbauen desselben
DE1289499B (de) Geraet fuer das Einsetzen von Blindmuttern in einen Bauteil
DE19803998C2 (de) Bohrer zur Herstellung von Bohrungen in Knochengewebe
DE2225863C3 (de) Ankerstift zum Einschrauben in eine vorbereitete Bohrung in einem schadhaften Zahn
DE102007025745A1 (de) Werkzeugsatz, Bohrer und Verfahren zum Ausbohren von defekten Glühkerzen
DE3437649C1 (de) Vorrichtung zum Lösen von miteinander verschraubten Bohrrohren
DE2548637C3 (de) Gesteinsbohrwerkzeug
AT12442U1 (de) Bohrkrone
EP1221533B1 (fr) Dispositif pour le déblocage des raccords de tiges de forage
WO2011079339A2 (fr) Couronne de forage pour le forage, notamment le forage percutant ou rotopercutant de trous dans le sol ou la pierre
DE3225093A1 (de) Vorrichtung zum kuppeln einer bohrstange fuer schachtofenabstichloecher mit dem arbeitswerkzeug einer bohrmaschine
DE1202583B (de) Schliessbolzen fuer einen Blindniet
DE886283C (de) Verlaengerungsbohrgestaenge fuer Gesteins-Drehbohrmaschinen
DE3514030A1 (de) Bohrvorrichtung, insbesondere zum rammbohren

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180409

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 1/00 20060101AFI20180615BHEP

Ipc: E21B 7/20 20060101ALI20180615BHEP

INTG Intention to grant announced

Effective date: 20180710

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAL Information related to payment of fee for publishing/printing deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR3

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DSI UNDERGROUND AUSTRIA GMBH

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

INTG Intention to grant announced

Effective date: 20181031

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1076214

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181215

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502017000505

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20181212

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190312

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190312

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190412

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190412

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502017000505

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

26N No opposition filed

Effective date: 20190913

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190329

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200331

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200331

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20210330

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20210312

Year of fee payment: 5

Ref country code: PL

Payment date: 20210312

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20170329

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20210331

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181212

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502017000505

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20220329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220329

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220331

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221001

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1076214

Country of ref document: AT

Kind code of ref document: T

Effective date: 20220329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220329

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220329