FR1250852A - Anchoring device for the support of underground excavations - Google Patents

Anchoring device for the support of underground excavations

Info

Publication number
FR1250852A
FR1250852A FR819236A FR819236A FR1250852A FR 1250852 A FR1250852 A FR 1250852A FR 819236 A FR819236 A FR 819236A FR 819236 A FR819236 A FR 819236A FR 1250852 A FR1250852 A FR 1250852A
Authority
FR
France
Prior art keywords
support
anchoring device
underground excavations
excavations
underground
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
FR819236A
Other languages
French (fr)
Inventor
Karl Theodor Jasper
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 FR819236A priority Critical patent/FR1250852A/en
Application granted granted Critical
Publication of FR1250852A publication Critical patent/FR1250852A/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)
FR819236A 1960-02-22 1960-02-22 Anchoring device for the support of underground excavations Expired FR1250852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR819236A FR1250852A (en) 1960-02-22 1960-02-22 Anchoring device for the support of underground excavations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR819236A FR1250852A (en) 1960-02-22 1960-02-22 Anchoring device for the support of underground excavations

Publications (1)

Publication Number Publication Date
FR1250852A true FR1250852A (en) 1961-01-13

Family

ID=8725621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819236A Expired FR1250852A (en) 1960-02-22 1960-02-22 Anchoring device for the support of underground excavations

Country Status (1)

Country Link
FR (1) FR1250852A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175455A (en) * 1961-08-02 1965-03-30 Jettron Products Inc Anchoring device with expansible wedge elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175455A (en) * 1961-08-02 1965-03-30 Jettron Products Inc Anchoring device with expansible wedge elements

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