FR991308A - étrésillon de pilotage pour mines - Google Patents

étrésillon de pilotage pour mines

Info

Publication number
FR991308A
FR991308A FR991308DA FR991308A FR 991308 A FR991308 A FR 991308A FR 991308D A FR991308D A FR 991308DA FR 991308 A FR991308 A FR 991308A
Authority
FR
France
Prior art keywords
piloting
mines
strut
piloting strut
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
Other languages
English (en)
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Application granted granted Critical
Publication of FR991308A publication Critical patent/FR991308A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR991308D 1949-07-01 1949-07-01 étrésillon de pilotage pour mines Expired FR991308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR991308T 1949-07-01

Publications (1)

Publication Number Publication Date
FR991308A true FR991308A (fr) 1951-10-04

Family

ID=9551133

Family Applications (1)

Application Number Title Priority Date Filing Date
FR991308D Expired FR991308A (fr) 1949-07-01 1949-07-01 étrésillon de pilotage pour mines

Country Status (1)

Country Link
FR (1) FR991308A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007272B (de) * 1954-03-09 1957-05-02 August Fischer Dipl Ing Streckenausbau fuer den Grubenbetrieb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007272B (de) * 1954-03-09 1957-05-02 August Fischer Dipl Ing Streckenausbau fuer den Grubenbetrieb

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