EP2913477A3 - Rock bolt - Google Patents

Rock bolt Download PDF

Info

Publication number
EP2913477A3
EP2913477A3 EP15155614.9A EP15155614A EP2913477A3 EP 2913477 A3 EP2913477 A3 EP 2913477A3 EP 15155614 A EP15155614 A EP 15155614A EP 2913477 A3 EP2913477 A3 EP 2913477A3
Authority
EP
European Patent Office
Prior art keywords
rock bolt
shred
pierce
extending
cross
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.)
Withdrawn
Application number
EP15155614.9A
Other languages
German (de)
French (fr)
Other versions
EP2913477A2 (en
Inventor
Christian Nissen
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.)
MINE SUPPORT PRODUCTS Pty Ltd
Original Assignee
MINE SUPPORT PRODUCTS 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 MINE SUPPORT PRODUCTS Pty Ltd filed Critical MINE SUPPORT PRODUCTS Pty Ltd
Publication of EP2913477A2 publication Critical patent/EP2913477A2/en
Publication of EP2913477A3 publication Critical patent/EP2913477A3/en
Withdrawn legal-status Critical Current

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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/801—Ground anchors driven by screwing
    • 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
    • E21D20/021—Grouting with inorganic components, e.g. cement
    • 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
    • E21D20/025—Grouting with organic components, e.g. resin

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Earth Drilling (AREA)

Abstract

A rock bolt (10) which has a rectangular blade (42), which can pierce and shred a flexible housing, extending from cross-shaped mixing formations (44) at one end of an elongate rod (12).
EP15155614.9A 2014-02-18 2015-02-18 Rock bolt Withdrawn EP2913477A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA201401189 2014-02-18

Publications (2)

Publication Number Publication Date
EP2913477A2 EP2913477A2 (en) 2015-09-02
EP2913477A3 true EP2913477A3 (en) 2016-07-13

Family

ID=52544322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15155614.9A Withdrawn EP2913477A3 (en) 2014-02-18 2015-02-18 Rock bolt

Country Status (4)

Country Link
US (1) US20150233244A1 (en)
EP (1) EP2913477A3 (en)
AU (1) AU2015200799A1 (en)
ZA (1) ZA201501103B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305687A (en) * 1979-01-26 1981-12-15 Jack Parker Anchoring system for rock bolts
US4983083A (en) * 1988-07-08 1991-01-08 Hilti Aktiengesellschaft Anchor rod
US6390735B1 (en) * 2000-06-30 2002-05-21 Noranda Inc. Apparatus and method for a yieldable tendon mine support
CA2439397A1 (en) * 2003-08-11 2005-02-11 Mansour Mining Inc. Mine roof bolt 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
WO2008106737A1 (en) * 2007-03-06 2008-09-12 Industrial Roll Formers Pty Limited Rock bolt and its fabrication and installation
AU2008202943A1 (en) * 2007-07-27 2009-02-12 Dywidag-Systems International Pty Limited Shear bolt assembly
WO2009094725A1 (en) * 2008-01-31 2009-08-06 Jennmar Corporation Rock bolt assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106695B4 (en) * 2001-02-14 2010-11-25 Friedr. Ischebeck Gmbh Drill bit for a drill or injection anchor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305687A (en) * 1979-01-26 1981-12-15 Jack Parker Anchoring system for rock bolts
US4983083A (en) * 1988-07-08 1991-01-08 Hilti Aktiengesellschaft Anchor rod
US6390735B1 (en) * 2000-06-30 2002-05-21 Noranda Inc. Apparatus and method for a yieldable tendon mine support
CA2439397A1 (en) * 2003-08-11 2005-02-11 Mansour Mining Inc. Mine roof bolt 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
WO2008106737A1 (en) * 2007-03-06 2008-09-12 Industrial Roll Formers Pty Limited Rock bolt and its fabrication and installation
AU2008202943A1 (en) * 2007-07-27 2009-02-12 Dywidag-Systems International Pty Limited Shear bolt assembly
WO2009094725A1 (en) * 2008-01-31 2009-08-06 Jennmar Corporation Rock bolt assembly

Also Published As

Publication number Publication date
EP2913477A2 (en) 2015-09-02
AU2015200799A1 (en) 2015-09-03
US20150233244A1 (en) 2015-08-20
ZA201501103B (en) 2016-11-30

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Effective date: 20170114