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FR1065239A - Rubber gasket for aeration canars for mines, hydroelectric galleries, undergrounds, etc. - Google Patents

Rubber gasket for aeration canars for mines, hydroelectric galleries, undergrounds, etc.

Info

Publication number
FR1065239A
FR1065239A FR1065239DA FR1065239A FR 1065239 A FR1065239 A FR 1065239A FR 1065239D A FR1065239D A FR 1065239DA FR 1065239 A FR1065239 A FR 1065239A
Authority
FR
France
Prior art keywords
canars
undergrounds
galleries
hydroelectric
mines
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
Marcel-Elie Foret
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 FR1065239A publication Critical patent/FR1065239A/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
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/04—Air ducts
    • E21F1/06—Duct connections

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)
FR1065239D 1952-03-14 1952-03-14 Rubber gasket for aeration canars for mines, hydroelectric galleries, undergrounds, etc. Expired FR1065239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1065239T 1952-03-14

Publications (1)

Publication Number Publication Date
FR1065239A true FR1065239A (en) 1954-05-21

Family

ID=9602193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1065239D Expired FR1065239A (en) 1952-03-14 1952-03-14 Rubber gasket for aeration canars for mines, hydroelectric galleries, undergrounds, etc.

Country Status (1)

Country Link
FR (1) FR1065239A (en)

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