CA944966A - Consolidation of rock strata - Google Patents

Consolidation of rock strata

Info

Publication number
CA944966A
CA944966A CA135,771A CA135771A CA944966A CA 944966 A CA944966 A CA 944966A CA 135771 A CA135771 A CA 135771A CA 944966 A CA944966 A CA 944966A
Authority
CA
Canada
Prior art keywords
consolidation
rock strata
strata
rock
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
CA135,771A
Other languages
English (en)
Other versions
CA135771S (fr
Inventor
Arthur Askey
John M. Murphy
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.)
EXPLOSIVES AND CHEMICAL PRODUCTS Ltd
Original Assignee
EXPLOSIVES AND CHEMICAL PRODUCTS Ltd
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 PRODUCTS Ltd filed Critical EXPLOSIVES AND CHEMICAL PRODUCTS Ltd
Application granted granted Critical
Publication of CA944966A publication Critical patent/CA944966A/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
    • 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)
  • Piles And Underground Anchors (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
CA135,771A 1971-03-01 1972-02-29 Consolidation of rock strata Expired CA944966A (en)

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
CA944966A true CA944966A (en) 1974-04-09

Family

ID=9801543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA135,771A Expired CA944966A (en) 1971-03-01 1972-02-29 Consolidation of rock strata

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 (14)

* 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
CA2798203A1 (en) * 2011-12-14 2013-06-14 Rsc Mining (Pty) Ltd. Rock bolt
WO2017093138A1 (en) * 2015-11-30 2017-06-08 Sandvik Intellectual Property Ab Friction bolt
CN116104549B (zh) * 2022-11-11 2025-10-10 国能神东煤炭集团有限责任公司 防护装置

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
DE2209821A1 (de) 1972-09-21
ZA721168B (en) 1972-11-29
US3797254A (en) 1974-03-19
IT952068B (it) 1973-07-20
GB1337015A (en) 1973-11-14
FR2170357A5 (it) 1973-09-14
ES400968A1 (es) 1975-02-01

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