CA948899A - Rock bolt - Google Patents

Rock bolt

Info

Publication number
CA948899A
CA948899A CA104,735A CA104735A CA948899A CA 948899 A CA948899 A CA 948899A CA 104735 A CA104735 A CA 104735A CA 948899 A CA948899 A CA 948899A
Authority
CA
Canada
Prior art keywords
rock bolt
rock
bolt
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.)
Expired
Application number
CA104,735A
Other versions
CA104735S (en
Inventor
Chester I. Williams
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA948899A publication Critical patent/CA948899A/en
Expired 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
    • 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

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)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Piles And Underground Anchors (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
CA104,735A 1970-02-18 1971-02-08 Rock bolt Expired CA948899A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1222170A 1970-02-18 1970-02-18
US6052970A 1970-08-03 1970-08-03

Publications (1)

Publication Number Publication Date
CA948899A true CA948899A (en) 1974-06-11

Family

ID=26683291

Family Applications (1)

Application Number Title Priority Date Filing Date
CA104,735A Expired CA948899A (en) 1970-02-18 1971-02-08 Rock bolt

Country Status (3)

Country Link
CA (1) CA948899A (en)
DE (1) DE2108264C3 (en)
GB (1) GB1323032A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472075A1 (en) * 1979-12-18 1981-06-26 Kubota Ltd Tunnel anchor bolt for rock - bolt is surrounded by cylindrical cover with tubes to introduce tamping material
DE3437186A1 (en) * 1984-10-10 1986-04-10 Fischer, Artur, Dr.H.C., 7244 Waldachtal PLASTIC DOWELS, IN PARTICULAR FOR FASTENING ON TILED WALLPAPER PLASTERBOARD WALLS
DE3504543C1 (en) * 1985-02-11 1986-05-15 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Resin-bedded roof bolt
JPS63162123U (en) * 1987-04-11 1988-10-24
EP0532441A1 (en) * 1991-09-12 1993-03-17 Techniport S.A. Method for consolidating tunnel walls, gallery walls, or the like, anchoring bolt for carrying out the method, and method for making such anchoring bolts
AU2008221612B2 (en) * 2007-09-24 2009-05-14 Sandvik Intellectual Property Ab Rock Bolt
CL2014001002A1 (en) 2013-12-12 2014-11-28 Ncm Innovations Pty Ltd Rock anchor bolt including an elongated cylindrical body having, a first distal end and a second opposite proximal end, a threaded portion at the second end, a first anchor located at or at least partially located at a first end portion of the body, a second anchor, a first stem portion between the first and second anchor.

Also Published As

Publication number Publication date
GB1323032A (en) 1973-07-11
DE2108264A1 (en) 1971-09-09
DE2108264B2 (en) 1979-11-15
DE2108264C3 (en) 1980-07-31

Similar Documents

Publication Publication Date Title
CA940966A (en) Bolt assembly
CA959227A (en) Sphere-dome construction
CA980601A (en) Filament-rotor structures
CA946823A (en) Rock drill
CA904609A (en) Lock
AU459987B2 (en) Anchor bolt
CA927582A (en) Drilling
CA948899A (en) Rock bolt
CA947338A (en) Surface bolt
CA967036A (en) Anchor bolt
CA950266A (en) Rock drills
CA928948A (en) Drilling bolt holes
AU466067B2 (en) Rock bolt
AU2532271A (en) Rock bolt
CA999762A (en) Rock bolt assembly
CA832214A (en) Explosive bolt
AU3718871A (en) Embankment
CA960642A (en) Drilling
CA819421A (en) Rock bolt
CA857585A (en) Mining process
CA946188A (en) Torque limiting bolt
CA972991A (en) Rock bolt assembly adapter
AU460704B2 (en) Anchor bolt
AU460156B2 (en) Rock drill
CA831764A (en) Rock drill