ZA785306B - Roof bolt - Google Patents

Roof bolt

Info

Publication number
ZA785306B
ZA785306B ZA00785306A ZA785306A ZA785306B ZA 785306 B ZA785306 B ZA 785306B ZA 00785306 A ZA00785306 A ZA 00785306A ZA 785306 A ZA785306 A ZA 785306A ZA 785306 B ZA785306 B ZA 785306B
Authority
ZA
South Africa
Prior art keywords
roof bolt
roof
bolt
Prior art date
Application number
ZA00785306A
Inventor
A Wijk
N Resare
Original Assignee
Atlas Copco 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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of ZA785306B publication Critical patent/ZA785306B/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
    • E21D21/004—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)
  • Piles And Underground Anchors (AREA)
  • Ropes Or Cables (AREA)
ZA00785306A 1977-10-03 1978-09-19 Roof bolt ZA785306B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7711060A SE7711060L (en) 1977-10-03 1977-10-03 WAY TO INFORM A BOLT IN A DRILL HALL

Publications (1)

Publication Number Publication Date
ZA785306B true ZA785306B (en) 1979-08-29

Family

ID=20332447

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00785306A ZA785306B (en) 1977-10-03 1978-09-19 Roof bolt

Country Status (6)

Country Link
AU (1) AU4019878A (en)
DE (1) DE2842722A1 (en)
FR (1) FR2412688A1 (en)
GB (1) GB2006905A (en)
SE (1) SE7711060L (en)
ZA (1) ZA785306B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400113A (en) * 1980-06-13 1983-08-23 Ingersol-Rand Company Friction rock stabilizer and a method of isolating the same from a bore surface

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350462A (en) * 1980-03-28 1982-09-21 Elders G W Roof support pin
US4313696A (en) * 1980-04-07 1982-02-02 Ingersoll-Rand Company Friction rock stabilizer and method for insertion thereof in an earth structure bore
SE8106165L (en) * 1981-10-19 1983-04-20 Atlas Copco Ab PROCEDURE FOR MOUNTAIN AND MOUNTAIN
FI66055C (en) * 1982-06-04 1984-08-10 Tampella Oy Ab OVER APPARATUS FOER MONTERING AV LOEDBULTAR VID BERGBULTNING
US5192146A (en) * 1991-08-30 1993-03-09 Simmons-Rand Company Open seam friction rock stabilizer
WO2009150617A1 (en) * 2008-06-12 2009-12-17 Bent It Over Marketing Cc Anchoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400113A (en) * 1980-06-13 1983-08-23 Ingersol-Rand Company Friction rock stabilizer and a method of isolating the same from a bore surface

Also Published As

Publication number Publication date
AU4019878A (en) 1980-04-03
SE7711060L (en) 1979-04-05
DE2842722A1 (en) 1979-04-12
GB2006905A (en) 1979-05-10
FR2412688A1 (en) 1979-07-20

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