ZA956219B - Bail-type expanding shell rockbolt - Google Patents

Bail-type expanding shell rockbolt

Info

Publication number
ZA956219B
ZA956219B ZA956219A ZA956219A ZA956219B ZA 956219 B ZA956219 B ZA 956219B ZA 956219 A ZA956219 A ZA 956219A ZA 956219 A ZA956219 A ZA 956219A ZA 956219 B ZA956219 B ZA 956219B
Authority
ZA
South Africa
Prior art keywords
rockbolt
bail
type expanding
expanding shell
shell
Prior art date
Application number
ZA956219A
Inventor
Johannes Hendrik Johnson
Original Assignee
H M Licence Company Proprietar
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 H M Licence Company Proprietar filed Critical H M Licence Company Proprietar
Publication of ZA956219B publication Critical patent/ZA956219B/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
    • E21D21/008—Anchoring or tensioning 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)
  • Piles And Underground Anchors (AREA)
ZA956219A 1994-10-14 1995-07-26 Bail-type expanding shell rockbolt ZA956219B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA948076 1994-10-14

Publications (1)

Publication Number Publication Date
ZA956219B true ZA956219B (en) 1996-03-14

Family

ID=25584476

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA956219A ZA956219B (en) 1994-10-14 1995-07-26 Bail-type expanding shell rockbolt

Country Status (3)

Country Link
AU (1) AU3181295A (en)
WO (1) WO1996012089A1 (en)
ZA (1) ZA956219B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315557A (en) * 1965-06-23 1967-04-25 Eastern Co Expansion shell assembly
AU427572B2 (en) * 1966-10-17 1972-08-28 Improvements in expansion shell and plug units
US3726181A (en) * 1971-03-24 1973-04-10 F Dickow Expansion shell assembly
FR2216849A1 (en) * 1973-02-05 1974-08-30 Goldenberg Sa
US4556344A (en) * 1981-10-16 1985-12-03 Birmingham Bolt Company Combination expansion shell and resin secured mine roof anchor assembly
US4483645A (en) * 1982-02-16 1984-11-20 Birmingham Bolt Company Combination expansion shell and resin secured mine roof anchor assembly

Also Published As

Publication number Publication date
WO1996012089A1 (en) 1996-04-25
AU3181295A (en) 1996-05-06

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