EP2961928A4 - Device for detecting the presence of one or more cavities in a borehole - Google Patents

Device for detecting the presence of one or more cavities in a borehole

Info

Publication number
EP2961928A4
EP2961928A4 EP14757785.2A EP14757785A EP2961928A4 EP 2961928 A4 EP2961928 A4 EP 2961928A4 EP 14757785 A EP14757785 A EP 14757785A EP 2961928 A4 EP2961928 A4 EP 2961928A4
Authority
EP
European Patent Office
Prior art keywords
borehole
cavities
detecting
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
EP14757785.2A
Other languages
German (de)
French (fr)
Other versions
EP2961928A1 (en
EP2961928B1 (en
Inventor
Leif Gustafsson
Sture Åberg
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.)
Rock Safety Sweden AB
Original Assignee
MALMFALTEN I NORR 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 MALMFALTEN I NORR AB filed Critical MALMFALTEN I NORR AB
Publication of EP2961928A1 publication Critical patent/EP2961928A1/en
Publication of EP2961928A4 publication Critical patent/EP2961928A4/en
Application granted granted Critical
Publication of EP2961928B1 publication Critical patent/EP2961928B1/en
Not-in-force 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
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
    • 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
    • E21B47/00—Survey of boreholes or wells
    • 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
    • E21D21/0093—Accessories

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)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • External Artificial Organs (AREA)
EP14757785.2A 2013-02-28 2014-02-28 Device for detecting the presence of one or more cavities in a borehole Not-in-force EP2961928B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1350239A SE537019C2 (en) 2013-02-28 2013-02-28 Device for detecting the presence of one or more cavities in a borehole
PCT/SE2014/050249 WO2014133449A1 (en) 2013-02-28 2014-02-28 Device for detecting the presence of one or more cavities in a borehole

Publications (3)

Publication Number Publication Date
EP2961928A1 EP2961928A1 (en) 2016-01-06
EP2961928A4 true EP2961928A4 (en) 2016-09-21
EP2961928B1 EP2961928B1 (en) 2018-03-28

Family

ID=51428590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14757785.2A Not-in-force EP2961928B1 (en) 2013-02-28 2014-02-28 Device for detecting the presence of one or more cavities in a borehole

Country Status (4)

Country Link
EP (1) EP2961928B1 (en)
CL (1) CL2015002411A1 (en)
SE (1) SE537019C2 (en)
WO (1) WO2014133449A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE538499C2 (en) * 2014-11-13 2016-08-09 Rock Safety Sweden Ab Device for rock bolt and method for using the device as well as reinforcing systems including such device.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010128943A1 (en) * 2009-05-06 2010-11-11 Malmfälten Ab Method, system, use of the system and reinforcement member for rock reinforcement
AU2012203548A1 (en) * 2011-06-20 2013-01-10 Nikki Gadd Plug Device and Method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE544161A (en) * 1955-03-24
US3234742A (en) * 1962-07-05 1966-02-15 Chester I Williams Groutable rock bolt assembly and procedure
JPS5689700A (en) * 1979-12-18 1981-07-21 Kubota Ltd Locking bolt
US7043989B2 (en) * 2003-06-30 2006-05-16 Csir Method and apparatus for testing installation quality in a grouted anchor system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010128943A1 (en) * 2009-05-06 2010-11-11 Malmfälten Ab Method, system, use of the system and reinforcement member for rock reinforcement
SE533769C2 (en) * 2009-05-06 2010-12-28 Malmfaelten Ab Method, system, use of systems and reinforcing means in rock reinforcement
AU2012203548A1 (en) * 2011-06-20 2013-01-10 Nikki Gadd Plug Device and Method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014133449A1 *

Also Published As

Publication number Publication date
CL2015002411A1 (en) 2016-07-08
SE1350239A1 (en) 2014-08-29
SE537019C2 (en) 2014-12-02
EP2961928A1 (en) 2016-01-06
WO2014133449A1 (en) 2014-09-04
EP2961928B1 (en) 2018-03-28

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