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EP4051872C0 - PRE-ANCHORING - Google Patents

PRE-ANCHORING

Info

Publication number
EP4051872C0
EP4051872C0 EP20821437.9A EP20821437A EP4051872C0 EP 4051872 C0 EP4051872 C0 EP 4051872C0 EP 20821437 A EP20821437 A EP 20821437A EP 4051872 C0 EP4051872 C0 EP 4051872C0
Authority
EP
European Patent Office
Prior art keywords
anchoring
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.)
Active
Application number
EP20821437.9A
Other languages
German (de)
French (fr)
Other versions
EP4051872A1 (en
EP4051872B1 (en
Inventor
Gunnar Stålnacke
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.)
Drillpipe AB
Original Assignee
Drillpipe AB
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 Drillpipe AB filed Critical Drillpipe AB
Priority to HRP20231214TT priority Critical patent/HRP20231214T1/en
Publication of EP4051872A1 publication Critical patent/EP4051872A1/en
Application granted granted Critical
Publication of EP4051872C0 publication Critical patent/EP4051872C0/en
Publication of EP4051872B1 publication Critical patent/EP4051872B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E21D21/0053—Anchoring-bolts in the form of lost drilling rods
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts
    • 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
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • 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
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
    • 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
    • E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
EP20821437.9A 2019-09-24 2020-09-24 Pre-bolting Active EP4051872B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20231214TT HRP20231214T1 (en) 2019-09-24 2020-09-24 Pre-bolting

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1951078A SE543656C2 (en) 2019-09-24 2019-09-24 Method for strengthening rock volume by bolting by means of top hammer drilling machine, drilling module for said bolting and use of said top hammer drilling machine for bolting
PCT/SE2020/050901 WO2021061043A1 (en) 2019-09-24 2020-09-24 Pre-bolting

Publications (3)

Publication Number Publication Date
EP4051872A1 EP4051872A1 (en) 2022-09-07
EP4051872C0 true EP4051872C0 (en) 2023-08-23
EP4051872B1 EP4051872B1 (en) 2023-08-23

Family

ID=73790181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20821437.9A Active EP4051872B1 (en) 2019-09-24 2020-09-24 Pre-bolting

Country Status (6)

Country Link
EP (1) EP4051872B1 (en)
ES (1) ES2964293T3 (en)
HR (1) HRP20231214T1 (en)
PL (1) PL4051872T3 (en)
SE (1) SE543656C2 (en)
WO (1) WO2021061043A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE388453B (en) * 1973-05-08 1976-10-04 Atlas Copco Ab DEVICE FOR TRANSFER BARS FROM A MAGAZINE DOCTOR TO THE CENTER AXLE FOR A DRILL
DE3200888A1 (en) * 1982-01-14 1983-07-21 Ingo 4600 Dortmund Stibane Device for nailing friable rock strata
DE10234255B4 (en) * 2002-06-27 2010-07-01 Friedr. Ischebeck Gmbh Use of drilling injection anchors as a surface-supporting reinforcement of a propulsion vaulted screen
AU2002953376A0 (en) * 2002-12-17 2003-01-09 Lms Geotechnical Pty Ltd An apparatus and method to anchor a rock bolt
EP2383420B1 (en) * 2010-04-29 2012-06-20 Sandvik Intellectual Property AB Drill bit for percussive rock drilling
US9845678B2 (en) * 2015-05-08 2017-12-19 Normet International Ltd. Locally anchored self-drilling hollow rock bolt
ZA201608231B (en) * 2016-11-28 2019-01-30 Orica Mining Services South Africa Pty Ltd Coupled self-drilling rock bolt

Also Published As

Publication number Publication date
WO2021061043A1 (en) 2021-04-01
SE543656C2 (en) 2021-05-18
ES2964293T3 (en) 2024-04-05
SE1951078A1 (en) 2021-03-25
PL4051872T3 (en) 2024-02-19
EP4051872A1 (en) 2022-09-07
EP4051872B1 (en) 2023-08-23
HRP20231214T1 (en) 2024-01-19

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