FR2097509A5 - - Google Patents

Info

Publication number
FR2097509A5
FR2097509A5 FR7025441A FR7025441A FR2097509A5 FR 2097509 A5 FR2097509 A5 FR 2097509A5 FR 7025441 A FR7025441 A FR 7025441A FR 7025441 A FR7025441 A FR 7025441A FR 2097509 A5 FR2097509 A5 FR 2097509A5
Authority
FR
France
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
FR7025441A
Other languages
French (fr)
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.)
BASSIN NORD PAS CALAIS
Original Assignee
BASSIN NORD PAS CALAIS
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 BASSIN NORD PAS CALAIS filed Critical BASSIN NORD PAS CALAIS
Priority to FR7025441A priority Critical patent/FR2097509A5/fr
Application granted granted Critical
Publication of FR2097509A5 publication Critical patent/FR2097509A5/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0095—Temporary supports at the driving front
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
FR7025441A 1970-07-09 1970-07-09 Expired FR2097509A5 (2)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7025441A FR2097509A5 (2) 1970-07-09 1970-07-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7025441A FR2097509A5 (2) 1970-07-09 1970-07-09

Publications (1)

Publication Number Publication Date
FR2097509A5 true FR2097509A5 (2) 1972-03-03

Family

ID=9058503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7025441A Expired FR2097509A5 (2) 1970-07-09 1970-07-09

Country Status (1)

Country Link
FR (1) FR2097509A5 (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742573A1 (de) * 1977-09-22 1979-04-05 Banyaszati Kutato Intezet Verfahren und konstruktion zur ausbildung von unterirdischen bauwerken

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742573A1 (de) * 1977-09-22 1979-04-05 Banyaszati Kutato Intezet Verfahren und konstruktion zur ausbildung von unterirdischen bauwerken

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Legal Events

Date Code Title Description
ST Notification of lapse