FR680198A - Device for closing mine galleries - Google Patents

Device for closing mine galleries

Info

Publication number
FR680198A
FR680198A FR680198DA FR680198A FR 680198 A FR680198 A FR 680198A FR 680198D A FR680198D A FR 680198DA FR 680198 A FR680198 A FR 680198A
Authority
FR
France
Prior art keywords
mine galleries
closing
closing mine
galleries
mine
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
French (fr)
Inventor
Hans Hofer
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
Application granted granted Critical
Publication of FR680198A publication Critical patent/FR680198A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/103—Dams, e.g. for ventilation

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)
FR680198D 1929-08-12 1929-08-12 Device for closing mine galleries Expired FR680198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680198T 1929-08-12

Publications (1)

Publication Number Publication Date
FR680198A true FR680198A (en) 1930-04-25

Family

ID=9022120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680198D Expired FR680198A (en) 1929-08-12 1929-08-12 Device for closing mine galleries

Country Status (1)

Country Link
FR (1) FR680198A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597918A1 (en) * 1986-04-23 1987-10-30 Sofreavia Inflatable, leaktight door and constructions comprising it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597918A1 (en) * 1986-04-23 1987-10-30 Sofreavia Inflatable, leaktight door and constructions comprising it

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