ZA201701103B - Rock bolt with integrally formed wedge formation and a method of manufacturing same - Google Patents

Rock bolt with integrally formed wedge formation and a method of manufacturing same

Info

Publication number
ZA201701103B
ZA201701103B ZA2017/01103A ZA201701103A ZA201701103B ZA 201701103 B ZA201701103 B ZA 201701103B ZA 2017/01103 A ZA2017/01103 A ZA 2017/01103A ZA 201701103 A ZA201701103 A ZA 201701103A ZA 201701103 B ZA201701103 B ZA 201701103B
Authority
ZA
South Africa
Prior art keywords
integrally formed
rock bolt
manufacturing same
wedge formation
formed wedge
Prior art date
Application number
ZA2017/01103A
Inventor
Robert James Custers
James William Sheppard
Martin Cawood
Original Assignee
Ncm Innovations 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 Ncm Innovations Pty Ltd filed Critical Ncm Innovations Pty Ltd
Publication of ZA201701103B publication Critical patent/ZA201701103B/en

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
    • E21D21/0046—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
    • 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
    • E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Dowels (AREA)
  • Forging (AREA)
  • Soil Working Implements (AREA)
ZA2017/01103A 2014-09-23 2017-02-14 Rock bolt with integrally formed wedge formation and a method of manufacturing same ZA201701103B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201406932 2014-09-23
PCT/ZA2015/000055 WO2016049664A1 (en) 2014-09-23 2015-08-25 Rock bolt with an integrally formed wedge formation and a method of manufacturing same

Publications (1)

Publication Number Publication Date
ZA201701103B true ZA201701103B (en) 2018-05-30

Family

ID=55071260

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2017/01103A ZA201701103B (en) 2014-09-23 2017-02-14 Rock bolt with integrally formed wedge formation and a method of manufacturing same

Country Status (8)

Country Link
US (1) US20170211386A1 (en)
EP (1) EP3198117A1 (en)
AU (1) AU2015319832A1 (en)
CA (1) CA2961933A1 (en)
CL (1) CL2017000632A1 (en)
PE (1) PE20170745A1 (en)
WO (1) WO2016049664A1 (en)
ZA (1) ZA201701103B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020154761A1 (en) * 2019-01-29 2020-08-06 Support Technologies Innovations Pty Ltd Rock bolt

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB912987A (en) * 1960-02-17 1962-12-12 Charles Leslie Emery Improvements in or relating to rock bolts
US4194858A (en) * 1978-09-25 1980-03-25 The Eastern Company Mine roof bolt anchor installation
US4305687A (en) * 1979-01-26 1981-12-15 Jack Parker Anchoring system for rock bolts
WO1995026457A1 (en) * 1994-03-25 1995-10-05 Du Pont (Australia) Limited Rock bolt
US5919006A (en) * 1997-02-14 1999-07-06 Jennmar Corporation Tensionable cable bolt with mixing assembly
CA2506342A1 (en) * 2005-05-04 2006-11-04 Mansour, Milad Yieldable cone bolt for use in small diameter bolt holes and method of installing the same

Also Published As

Publication number Publication date
WO2016049664A1 (en) 2016-03-31
CA2961933A1 (en) 2016-03-31
US20170211386A1 (en) 2017-07-27
EP3198117A1 (en) 2017-08-02
CL2017000632A1 (en) 2017-09-29
PE20170745A1 (en) 2017-07-04
AU2015319832A1 (en) 2017-03-09

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