ZA201608231B - Coupled self-drilling rock bolt - Google Patents

Coupled self-drilling rock bolt

Info

Publication number
ZA201608231B
ZA201608231B ZA2016/08231A ZA201608231A ZA201608231B ZA 201608231 B ZA201608231 B ZA 201608231B ZA 2016/08231 A ZA2016/08231 A ZA 2016/08231A ZA 201608231 A ZA201608231 A ZA 201608231A ZA 201608231 B ZA201608231 B ZA 201608231B
Authority
ZA
South Africa
Prior art keywords
rock bolt
drilling rock
coupled self
self
coupled
Prior art date
Application number
ZA2016/08231A
Inventor
John Francis Neville Johnsn
Original Assignee
Orica Mining Services South Africa Pty Ltd
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 Orica Mining Services South Africa Pty Ltd filed Critical Orica Mining Services South Africa Pty Ltd
Priority to ZA2016/08231A priority Critical patent/ZA201608231B/en
Priority to PCT/IB2017/057413 priority patent/WO2018096507A1/en
Publication of ZA201608231B publication Critical patent/ZA201608231B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
ZA2016/08231A 2016-11-28 2016-11-28 Coupled self-drilling rock bolt ZA201608231B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ZA2016/08231A ZA201608231B (en) 2016-11-28 2016-11-28 Coupled self-drilling rock bolt
PCT/IB2017/057413 WO2018096507A1 (en) 2016-11-28 2017-11-27 Coupled self-drilling rock bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA2016/08231A ZA201608231B (en) 2016-11-28 2016-11-28 Coupled self-drilling rock bolt

Publications (1)

Publication Number Publication Date
ZA201608231B true ZA201608231B (en) 2019-01-30

Family

ID=60655026

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2016/08231A ZA201608231B (en) 2016-11-28 2016-11-28 Coupled self-drilling rock bolt

Country Status (2)

Country Link
WO (1) WO2018096507A1 (en)
ZA (1) ZA201608231B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE543656C2 (en) * 2019-09-24 2021-05-18 Drillpipe Ab 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1574005A (en) * 1968-04-01 1969-07-11 Lamendin Louis Improvement in anchor rods for mine galleries
NO159678C (en) * 1982-05-14 1989-01-25 Weidmann H Ag MOUNTAIN SECURING ANCHOR.
JPH0579278A (en) * 1991-09-19 1993-03-30 Tokai Rubber Ind Ltd Bedrock consolidation process
JP4603652B2 (en) * 2000-02-24 2010-12-22 株式会社ブリヂストン The consolidation method of natural ground
WO2003025345A1 (en) * 2001-09-14 2003-03-27 Celtite Pty Ltd Strata control
AU2005297473B2 (en) * 2004-10-21 2011-05-12 Minova International Limited Method for embedding rock anchors
EA037677B1 (en) * 2015-05-08 2021-04-29 Нормет Интернэшнэл Лтд. Locally anchored self-drilling hollow rock bolt

Also Published As

Publication number Publication date
WO2018096507A1 (en) 2018-05-31

Similar Documents

Publication Publication Date Title
PL3294991T3 (en) Locally anchored self-drilling hollow rock bolt
PT3384131T (en) Friction bolt
TWM489214U (en) Cement expansion bolt
ZA201907072B (en) Friction rock bolt
ZA201700288B (en) Anchor bolt
HK1209169A1 (en) Bolt
ZA202000159B (en) A rock bolt
TWM489187U (en) Foundation bolt
ZA202003632B (en) Rock bolt
ZA201608232B (en) Self-drilling rock bolt with internal mixer
EP3385398A4 (en) High-strength bolt
ZA201608231B (en) Coupled self-drilling rock bolt
ZA201708615B (en) An inflatable rock bolt
ZA201900633B (en) Rock bolt
ZA201408984B (en) Coupled roof bolt
ZA201800853B (en) Rock bolt
ZA201604905B (en) Rock bolt
ZA201603567B (en) Rock bolt
ZA201708603B (en) An inflatable rock bolt
AU2017904679A0 (en) Rock Bolt
ZA201805594B (en) Rock bolt cable
AU2017903644A0 (en) Rock bolt
ZA201600778B (en) Deviated rock bolt
AU2017902333A0 (en) Improved rock bolt
ZA201600501B (en) Rock bolt