FR80182E - Expansion anchor bolt, more particularly intended for the suspended support of mine roofs - Google Patents

Expansion anchor bolt, more particularly intended for the suspended support of mine roofs

Info

Publication number
FR80182E
FR80182E FR869795A FR869795A FR80182E FR 80182 E FR80182 E FR 80182E FR 869795 A FR869795 A FR 869795A FR 869795 A FR869795 A FR 869795A FR 80182 E FR80182 E FR 80182E
Authority
FR
France
Prior art keywords
anchor bolt
particularly intended
expansion anchor
suspended support
mine roofs
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
FR869795A
Other languages
French (fr)
Inventor
Jean-Pierre Willy Bock
Bock
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 filed Critical
Priority to FR869795A priority Critical patent/FR80182E/en
Application granted granted Critical
Publication of FR80182E publication Critical patent/FR80182E/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)
FR869795A 1961-08-02 1961-08-02 Expansion anchor bolt, more particularly intended for the suspended support of mine roofs Expired FR80182E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR869795A FR80182E (en) 1961-08-02 1961-08-02 Expansion anchor bolt, more particularly intended for the suspended support of mine roofs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR869795A FR80182E (en) 1961-08-02 1961-08-02 Expansion anchor bolt, more particularly intended for the suspended support of mine roofs

Publications (1)

Publication Number Publication Date
FR80182E true FR80182E (en) 1963-03-22

Family

ID=8760571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869795A Expired FR80182E (en) 1961-08-02 1961-08-02 Expansion anchor bolt, more particularly intended for the suspended support of mine roofs

Country Status (1)

Country Link
FR (1) FR80182E (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379016A (en) * 1965-01-11 1968-04-23 Chester I. Williams Rock bolt assembly and procedure for use in conjunction with blasting operations
US3469407A (en) * 1967-12-22 1969-09-30 Ohio Brass Co Mine roof support
US4051683A (en) * 1976-06-28 1977-10-04 Jennmar Corporation Method and apparatus for supporting a mine roof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379016A (en) * 1965-01-11 1968-04-23 Chester I. Williams Rock bolt assembly and procedure for use in conjunction with blasting operations
US3469407A (en) * 1967-12-22 1969-09-30 Ohio Brass Co Mine roof support
US4051683A (en) * 1976-06-28 1977-10-04 Jennmar Corporation Method and apparatus for supporting a mine roof

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