ZA822551B - Rock bolt - Google Patents

Rock bolt

Info

Publication number
ZA822551B
ZA822551B ZA822551A ZA822551A ZA822551B ZA 822551 B ZA822551 B ZA 822551B ZA 822551 A ZA822551 A ZA 822551A ZA 822551 A ZA822551 A ZA 822551A ZA 822551 B ZA822551 B ZA 822551B
Authority
ZA
South Africa
Prior art keywords
bolt
rock
fixing
fixing element
rod
Prior art date
Application number
ZA822551A
Other languages
English (en)
Inventor
Tapio Kallio
Tauno Korhonen
Veikko Leiviskae
Jorma Pulkkinen
Kalevi Salo
Original Assignee
Neste Oy
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 Neste Oy filed Critical Neste Oy
Publication of ZA822551B publication Critical patent/ZA822551B/xx

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

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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Dowels (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Piles And Underground Anchors (AREA)
  • Rock Bolts (AREA)
  • Steroid Compounds (AREA)
  • Window Of Vehicle (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Fibers (AREA)
ZA822551A 1981-04-22 1982-04-14 Rock bolt ZA822551B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI811252A FI64224C (fi) 1981-04-22 1981-04-22 Bergbult

Publications (1)

Publication Number Publication Date
ZA822551B true ZA822551B (en) 1983-05-25

Family

ID=8514328

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA822551A ZA822551B (en) 1981-04-22 1982-04-14 Rock bolt

Country Status (9)

Country Link
US (1) US4444529A (de)
EP (1) EP0064362B1 (de)
JP (1) JPS57184200A (de)
AT (1) ATE28494T1 (de)
CA (1) CA1208947A (de)
DE (1) DE3276827D1 (de)
FI (1) FI64224C (de)
NO (1) NO159956C (de)
ZA (1) ZA822551B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1331705C (en) * 1988-07-26 1994-08-30 Richard Roy Wood Rock anchor
GB2278902B (en) * 1993-06-08 1996-01-03 Millfield Enterprises Limited End fixing apparatus
DE10313689A1 (de) * 2003-03-28 2004-11-04 Storch, Dieter, Dipl.-Phys. Druckklemme mit sehr großer Haltekraft
CN103266608B (zh) * 2013-06-04 2016-01-06 山东科技大学 桁架组合式抗滑锚杆
CN103343536B (zh) * 2013-07-08 2016-05-18 山东科技大学 棘爪式土层锚杆及其应用
CA2957748C (en) 2017-02-13 2018-05-01 Lyle Kenneth Adams Rock bolt seal

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690693A (en) * 1950-09-07 1954-10-05 Maxwell S Campbell Fastener with expanding spring gripping means
US2651962A (en) * 1951-06-25 1953-09-15 John V Hammond Wedge type bolt or pin
US2650476A (en) * 1952-07-11 1953-09-01 Samuel J Crockett Dowel rod anchor
FR1286600A (fr) * 1961-04-26 1962-03-02 Dervaux Ets Supports et organes similaires se fixant par auto-blocage élastique dans les trous de montage
FR87644E (fr) * 1965-04-01 1966-04-15 Forges Et Boulonneries Hermant Dispositif d'ancrage
US3373649A (en) * 1965-10-22 1968-03-19 Inv S And Inv Consultants Inc Split fastener with locking wedge
GB1195686A (en) * 1966-10-03 1970-06-17 James Deans Cumming Improvements in or relating to Friction Grip Fasteners
US3680430A (en) * 1970-05-06 1972-08-01 Cannon & Ass Inc Anchor bolt
DE2041526C3 (de) * 1970-08-21 1980-06-04 Dyckerhoff & Widmann Ag, 8000 Muenchen Zugglied für einen Verpreßanker
ZA721168B (en) * 1971-03-01 1972-11-29 Explosives & Chem Prod Improvements in or relating to the consolidation of rock strata
US4092814A (en) * 1974-03-15 1978-06-06 Dyckerhoff & Widmann Aktiengesellschaft Reinforcing rod
FR2337812A1 (fr) * 1976-01-08 1977-08-05 Celtite Sa Perfectionnement au procede et dispositif pour le soutenement des parements dans les galeries de mines
DE2829158A1 (de) * 1978-07-03 1980-01-17 Hilti Ag Befestigungselement mit ankerbolzen und spreizkeil
DE2903694A1 (de) * 1979-01-31 1980-08-14 Gebirgssicherung Gmbh Gebirgsanker
AU514153B2 (en) * 1979-10-10 1981-01-29 Scott, J.J. Friction rock stabilizer

Also Published As

Publication number Publication date
EP0064362B1 (de) 1987-07-22
JPS57184200A (en) 1982-11-12
NO821294L (no) 1982-10-25
FI64224B (fi) 1983-06-30
CA1208947A (en) 1986-08-05
EP0064362A2 (de) 1982-11-10
DE3276827D1 (en) 1987-08-27
NO159956B (no) 1988-11-14
ATE28494T1 (de) 1987-08-15
US4444529A (en) 1984-04-24
EP0064362A3 (en) 1984-04-11
FI64224C (fi) 1983-10-10
FI811252L (fi) 1982-10-23
NO159956C (no) 1989-02-22
JPH029159B2 (de) 1990-02-28

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