FR382208A - Venting door for mines - Google Patents

Venting door for mines

Info

Publication number
FR382208A
FR382208A FR382208DA FR382208A FR 382208 A FR382208 A FR 382208A FR 382208D A FR382208D A FR 382208DA FR 382208 A FR382208 A FR 382208A
Authority
FR
France
Prior art keywords
mines
venting door
venting
door
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)
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.)
FORGES DE DOUAI DES
Original Assignee
FORGES DE DOUAI DES
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 FORGES DE DOUAI DES filed Critical FORGES DE DOUAI DES
Application granted granted Critical
Publication of FR382208A publication Critical patent/FR382208A/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
    • E21F1/10—Air doors

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)
FR382208D 1907-09-25 1907-09-25 Venting door for mines Expired FR382208A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR382208T 1907-09-25

Publications (1)

Publication Number Publication Date
FR382208A true FR382208A (en) 1908-02-01

Family

ID=1428303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR382208D Expired FR382208A (en) 1907-09-25 1907-09-25 Venting door for mines

Country Status (1)

Country Link
FR (1) FR382208A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116971817A (en) * 2023-09-25 2023-10-31 太原理工大学 High-gas working face ventilation method for alternately entering and returning air in gallery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116971817A (en) * 2023-09-25 2023-10-31 太原理工大学 High-gas working face ventilation method for alternately entering and returning air in gallery
CN116971817B (en) * 2023-09-25 2023-12-12 太原理工大学 High-gas working face ventilation method for alternately entering and returning air in gallery

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