CA932997B - Anchor device for use with a hollow bolt rod - Google Patents

Anchor device for use with a hollow bolt rod

Info

Publication number
CA932997B
CA932997B CA146349A CA146349A CA932997B CA 932997 B CA932997 B CA 932997B CA 146349 A CA146349 A CA 146349A CA 146349 A CA146349 A CA 146349A CA 932997 B CA932997 B CA 932997B
Authority
CA
Canada
Prior art keywords
anchor device
bolt rod
hollow bolt
hollow
rod
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
CA146349A
Other versions
CA146349S (en
Inventor
C Williams
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA932997B publication Critical patent/CA932997B/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
    • E21D21/008—Anchoring 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)
  • Piles And Underground Anchors (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Dowels (AREA)
CA146349A 1965-06-25 1972-07-05 Anchor device for use with a hollow bolt rod Expired CA932997B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US466946A US3324756A (en) 1965-06-25 1965-06-25 Bail-type anchor device for a hollow rock bolt

Publications (1)

Publication Number Publication Date
CA932997B true CA932997B (en) 1973-09-04

Family

ID=23853686

Family Applications (1)

Application Number Title Priority Date Filing Date
CA146349A Expired CA932997B (en) 1965-06-25 1972-07-05 Anchor device for use with a hollow bolt rod

Country Status (4)

Country Link
US (1) US3324756A (en)
CA (1) CA932997B (en)
DE (2) DE1634668C3 (en)
GB (1) GB1089510A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195952A (en) * 1978-03-27 1980-04-01 Swanson Roger I Means for anchoring to rock
DE3012498A1 (en) * 1980-03-31 1981-10-08 Hilti AG, 9494 Schaan SPREADING DOWEL
AU1369100A (en) * 1998-12-01 2000-06-19 Cobra Fixations Cie Ltee - Cobra Anchors Co. Ltd. Wedge anchor for concrete
US6829871B1 (en) 1998-12-01 2004-12-14 Cobra Fixations Cie Ltee-Cobra Anchors Co., Ltd. Wedge anchor for concrete
CN107524463A (en) * 2017-09-11 2017-12-29 李顺良 A kind of expansion shell type hollow bolt

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1050345A (en) * 1912-04-19 1913-01-14 U S Expansion Bolt Co Expansion-bolt.
US2667037A (en) * 1949-08-24 1954-01-26 Edward M Thomas Suspension roof support
US3065659A (en) * 1959-09-28 1962-11-27 Superior Concrete Accessories Expansion bolt
FR1327260A (en) * 1962-04-06 1963-05-17 Anchoring device, in particular for stabilizing mine roofs
US3247754A (en) * 1963-08-08 1966-04-26 Dennis W Bieser Self-drilling anchor bolt
US3200693A (en) * 1963-10-17 1965-08-17 Eastern Co Expansion shell

Also Published As

Publication number Publication date
DE1634668A1 (en) 1970-09-17
DE1634668B2 (en) 1979-03-08
DE1947487U (en) 1966-10-06
DE1634668C3 (en) 1979-10-31
GB1089510A (en) 1967-11-01
US3324756A (en) 1967-06-13

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