CA3221307A1 - Boulon d'ancrage a mecanisme anti-projection - Google Patents

Boulon d'ancrage a mecanisme anti-projection Download PDF

Info

Publication number
CA3221307A1
CA3221307A1 CA3221307A CA3221307A CA3221307A1 CA 3221307 A1 CA3221307 A1 CA 3221307A1 CA 3221307 A CA3221307 A CA 3221307A CA 3221307 A CA3221307 A CA 3221307A CA 3221307 A1 CA3221307 A1 CA 3221307A1
Authority
CA
Canada
Prior art keywords
peg
sleeve
bolt
hybrid
key
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.)
Pending
Application number
CA3221307A
Other languages
English (en)
Inventor
Jonathan Cotes
Dominic Proulx
Mario Cliche
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.)
Grillage Major Inc
Original Assignee
Grillage Major Inc
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 Grillage Major Inc filed Critical Grillage Major Inc
Publication of CA3221307A1 publication Critical patent/CA3221307A1/fr
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/004Bolts held in the borehole by friction all along their length, without additional fixing means
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0033Anchoring-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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008Anchoring 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)
  • Dowels (AREA)
CA3221307A 2022-11-28 2023-11-28 Boulon d'ancrage a mecanisme anti-projection Pending CA3221307A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263428368P 2022-11-28 2022-11-28
US63428368 2022-11-28

Publications (1)

Publication Number Publication Date
CA3221307A1 true CA3221307A1 (fr) 2024-05-28

Family

ID=91192554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3221307A Pending CA3221307A1 (fr) 2022-11-28 2023-11-28 Boulon d'ancrage a mecanisme anti-projection

Country Status (3)

Country Link
US (1) US20240175359A1 (fr)
CA (1) CA3221307A1 (fr)
WO (1) WO2024113048A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536137C2 (de) * 1975-08-13 1986-04-10 Hilti Ag, Schaan Spreizdübel
GB2137713A (en) * 1983-04-08 1984-10-10 Perard Torque Tension Ltd Rock anchor bolt assembly
FR2638794B1 (fr) * 1988-11-04 1991-01-11 Prospection & Inventions Cheville pour trou d'ancrage a contre-depouille
CA3008179C (fr) * 2015-12-16 2024-01-02 Dywidag-Systems International Pty Limited Ensemble boulon a friction

Also Published As

Publication number Publication date
US20240175359A1 (en) 2024-05-30
WO2024113048A1 (fr) 2024-06-06

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