ZA811894B - An anchor bolt - Google Patents

An anchor bolt

Info

Publication number
ZA811894B
ZA811894B ZA00811894A ZA811894A ZA811894B ZA 811894 B ZA811894 B ZA 811894B ZA 00811894 A ZA00811894 A ZA 00811894A ZA 811894 A ZA811894 A ZA 811894A ZA 811894 B ZA811894 B ZA 811894B
Authority
ZA
South Africa
Prior art keywords
anchor bolt
anchor
bolt
Prior art date
Application number
ZA00811894A
Inventor
R Thom
Original Assignee
R Thom
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 R Thom filed Critical R Thom
Publication of ZA811894B publication Critical patent/ZA811894B/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)
  • Piles And Underground Anchors (AREA)
  • Lubricants (AREA)
ZA00811894A 1980-03-28 1981-03-20 An anchor bolt ZA811894B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA796448 1980-03-28

Publications (1)

Publication Number Publication Date
ZA811894B true ZA811894B (en) 1982-04-28

Family

ID=25574390

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00811894A ZA811894B (en) 1980-03-28 1981-03-20 An anchor bolt

Country Status (4)

Country Link
DE (2) DE8108691U1 (en)
FR (1) FR2479322A1 (en)
GB (1) GB2072784A (en)
ZA (1) ZA811894B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4954017A (en) * 1980-11-10 1990-09-04 The Curators Of The University Of Missouri Expansion bolt and mine roof reinforcement
US4636115A (en) * 1980-11-10 1987-01-13 The Curators Of The University Of Missouri Expansion bolt and mine roof reinforcement therewith
SE436781B (en) * 1981-11-16 1985-01-21 Atlas Copco Ab SVELLKROPP
FR2552158B1 (en) * 1983-09-21 1995-07-07 Puntous Rene ANCHORING PROCESS FOR ROOFS AND SIDINGS OF UNDERGROUND GALLERIES AND DEVICES FOR CARRYING OUT SAID METHOD
BG39739A1 (en) * 1984-09-26 1986-08-15 Nikolaev Tube fastener
AT384277B (en) * 1984-11-19 1987-10-27 Rudolf Gruber NAIL
SE457894B (en) * 1985-06-17 1989-02-06 Atlas Copco Ab MAKE STABILIZING MOUNTAINS
DD252854A5 (en) * 1986-01-13 1987-12-30 Magyar Aluminiumpari Troeszt,Hu PIPE CONSTRUCTION FOR THE MANUFACTURE OF A STONE ANCHOR AND / OR ORGANIZATION OF A GEAR FOR LIQUIDITY FILLING
AT387429B (en) * 1986-04-09 1989-01-25 Gd Anker Gmbh & Co Kg MOUNTAIN ANCHOR
GB2206390A (en) * 1987-07-02 1989-01-05 Coal Ind Deformable rock bolt
HU208357B (en) * 1989-08-10 1993-09-28 Bakonyi Bauxitbanya Kft Device for making anchor particularly rock anchor and liquid afterhardening matter for injecting into rock or/and soil mass
SE512834C2 (en) * 1999-06-04 2000-05-22 Atlas Copco Rock Drills Ab Tubular mounting bolt
AT412739B (en) * 2002-01-22 2005-06-27 Techmo Entw & Vertriebs Gmbh METHOD AND DEVICE FOR DRILLING A HOLE IN GROUND OR ROCK MATERIAL AND FOR FORMING AN ANCHORAGE
WO2004016909A1 (en) * 2002-08-19 2004-02-26 John Paul Mckelvey Rock bolt
JP2005200893A (en) * 2004-01-14 2005-07-28 Nisshin Steel Co Ltd Steel pipe expansion type rock bolt with high bearing capacity and its manufacturing method
WO2007023363A1 (en) * 2005-08-23 2007-03-01 Pieter Schalk Mulder An expansible rock bolt
CZ305105B6 (en) * 2009-12-28 2015-05-06 Geofinal, S.R.O. Expansion rock anchor
BR112013015909A2 (en) * 2010-12-22 2017-03-21 Garock Pty Ltd rock bolt

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665719A (en) * 1969-05-28 1972-05-30 Atlantic Richfield Co Apparatus for counterstressing in situ rock for support of underground openings
CA990555A (en) * 1973-02-09 1976-06-08 James J. Scott Friction rock stabilizers
ES203342Y (en) * 1973-06-23 1976-04-16 PERFECTED FASTENING ELEMENTS.
SU625048A1 (en) * 1973-06-25 1978-09-25 Shubnyj Aleksandr Anchor support
US3922867A (en) * 1974-01-04 1975-12-02 James J Scott Friction rock stabilizers
US4012913A (en) * 1975-10-03 1977-03-22 Scott James J Friction rock stabilizers

Also Published As

Publication number Publication date
FR2479322A1 (en) 1981-10-02
DE8108691U1 (en) 1981-09-17
GB2072784A (en) 1981-10-07
DE3111673A1 (en) 1982-05-19

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