FR449136A - Process for aerating mine galleries by suction effect - Google Patents

Process for aerating mine galleries by suction effect

Info

Publication number
FR449136A
FR449136A FR449136DA FR449136A FR 449136 A FR449136 A FR 449136A FR 449136D A FR449136D A FR 449136DA FR 449136 A FR449136 A FR 449136A
Authority
FR
France
Prior art keywords
aerating
suction effect
mine galleries
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
Wilhelm Hartmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR449136A publication Critical patent/FR449136A/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
    • E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose

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)
FR449136D 1912-10-08 1912-10-08 Process for aerating mine galleries by suction effect Expired FR449136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR449136T 1912-10-08

Publications (1)

Publication Number Publication Date
FR449136A true FR449136A (en) 1913-02-18

Family

ID=1489688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449136D Expired FR449136A (en) 1912-10-08 1912-10-08 Process for aerating mine galleries by suction effect

Country Status (1)

Country Link
FR (1) FR449136A (en)

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