IT952068B - Metodo ed elementi tubolari per consolidare strati di roccia e simili - Google Patents

Metodo ed elementi tubolari per consolidare strati di roccia e simili

Info

Publication number
IT952068B
IT952068B IT48686/72A IT4868672A IT952068B IT 952068 B IT952068 B IT 952068B IT 48686/72 A IT48686/72 A IT 48686/72A IT 4868672 A IT4868672 A IT 4868672A IT 952068 B IT952068 B IT 952068B
Authority
IT
Italy
Prior art keywords
tubular elements
similar layers
consolidating rock
consolidating
rock
Prior art date
Application number
IT48686/72A
Other languages
English (en)
Original Assignee
Explosives And Chemical Prod L
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
Priority claimed from GB572971*[A external-priority patent/GB1329905A/en
Application filed by Explosives And Chemical Prod L filed Critical Explosives And Chemical Prod L
Application granted granted Critical
Publication of IT952068B publication Critical patent/IT952068B/it

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
    • 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
    • E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Piles And Underground Anchors (AREA)
IT48686/72A 1971-03-01 1972-03-01 Metodo ed elementi tubolari per consolidare strati di roccia e simili IT952068B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB572971*[A GB1329905A (en) 1970-12-16 1971-03-01 Screening machine

Publications (1)

Publication Number Publication Date
IT952068B true IT952068B (it) 1973-07-20

Family

ID=9801543

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48686/72A IT952068B (it) 1971-03-01 1972-03-01 Metodo ed elementi tubolari per consolidare strati di roccia e simili

Country Status (8)

Country Link
US (1) US3797254A (it)
CA (1) CA944966A (it)
DE (1) DE2209821A1 (it)
ES (1) ES400968A1 (it)
FR (1) FR2170357A5 (it)
GB (1) GB1337015A (it)
IT (1) IT952068B (it)
ZA (1) ZA721168B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1506897A (en) * 1975-11-05 1978-04-12 Ici Ltd Method of securing fixing elements in rock
US4289426A (en) * 1979-09-14 1981-09-15 Ingersoll-Rand Company Friction rock stabilizer and method of forming same, and a method of stabilizing an earth structure
US4378180A (en) * 1980-11-05 1983-03-29 Scott James J Yieldable mine roof support fixture
FI64224C (fi) * 1981-04-22 1983-10-10 Neste Oy Bergbult
CA1331705C (en) * 1988-07-26 1994-08-30 Richard Roy Wood Rock anchor
US5387060A (en) * 1993-03-26 1995-02-07 F. M. Locotos Equipment & Design Co. Tubular mining bolt
AUPM776394A0 (en) * 1994-08-30 1994-09-22 Industrial Rollformers Pty Limited A rock bolt and method of installing a rock bolt
AUPP367598A0 (en) 1998-05-22 1998-06-18 Industrial Rollformers Pty Limited Rock bolt and method of forming a rock bolt
US7037058B2 (en) 2001-03-21 2006-05-02 Industrial Roll Formers Pty. Ltd. Resin embedded rock bolt
US11759293B2 (en) * 2009-08-26 2023-09-19 Joaquin T. Ariza Orthodontic system and method of use
SE535912C2 (sv) * 2011-06-30 2013-02-12 Leif Eriksson Expanderbar bergbult och ett förfarande för tillverkning av en bergbult
US8876436B2 (en) * 2011-12-14 2014-11-04 Rsc Mining (Pty) Ltd. Rock bolt
WO2017093138A1 (en) * 2015-11-30 2017-06-08 Sandvik Intellectual Property Ab Friction bolt

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696861A (en) * 1927-03-21 1928-12-25 Locke Insulator Corp Insulator-supporting pin
US2492164A (en) * 1946-07-25 1949-12-27 Carlton G Lutts Elastic proving bar
US2682152A (en) * 1950-04-15 1954-06-29 Bierer Joseph Method of and apparatus for reinforcing and supporting mine roofs and the like
US2879686A (en) * 1952-10-31 1959-03-31 Ohio Brass Co Anchor bolt having test rod to indicate tension changes
DE1178815B (de) * 1961-02-28 1964-10-01 Erich Fritz Dipl Ing Ankerausbau fuer Untertageraeume
DE1245292B (de) * 1965-11-27 1967-07-27 Bergwerksverband Gmbh Verfahren zum Befestigen von Ankerstangen in Bohrloechern, insbesondere bei gebraechem Gebirge

Also Published As

Publication number Publication date
CA944966A (en) 1974-04-09
FR2170357A5 (it) 1973-09-14
GB1337015A (en) 1973-11-14
ZA721168B (en) 1972-11-29
US3797254A (en) 1974-03-19
DE2209821A1 (de) 1972-09-21
ES400968A1 (es) 1975-02-01

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