FR548501A - Perfectionnements apportés à la ventilation des mines - Google Patents

Perfectionnements apportés à la ventilation des mines

Info

Publication number
FR548501A
FR548501A FR548501DA FR548501A FR 548501 A FR548501 A FR 548501A FR 548501D A FR548501D A FR 548501DA FR 548501 A FR548501 A FR 548501A
Authority
FR
France
Prior art keywords
mine ventilation
mine
ventilation
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
English (en)
Inventor
Frederick Anthony Steart
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 FR548501A publication Critical patent/FR548501A/fr
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

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)
FR548501D 1922-03-07 1922-03-07 Perfectionnements apportés à la ventilation des mines Expired FR548501A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR548501T 1922-03-07

Publications (1)

Publication Number Publication Date
FR548501A true FR548501A (fr) 1923-01-17

Family

ID=8934878

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548501D Expired FR548501A (fr) 1922-03-07 1922-03-07 Perfectionnements apportés à la ventilation des mines

Country Status (1)

Country Link
FR (1) FR548501A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084850A (en) * 1961-04-26 1963-04-09 Baltimore Aircoil Co Inc Multistage air moving device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084850A (en) * 1961-04-26 1963-04-09 Baltimore Aircoil Co Inc Multistage air moving device

Similar Documents

Publication Publication Date Title
FR660727A (fr) Perfectionnements aux cartouches de mine
FR548501A (fr) Perfectionnements apportés à la ventilation des mines
FR593877A (fr) Revêtement flexible de mines
FR568243A (fr) Perfectionnements aux norias à munitions
FR531730A (fr) Perte-mine
FR645566A (fr) Perfectionnements apportés aux explosifs antigrisouteux
FR550009A (fr) Perfectionnements au tubage de ventilation pour mines
FR562671A (fr) Perfectionnements aux lampes électriques de mines
FR624862A (fr) Perfectionnements apportés aux machines de mines
FR577540A (fr) Perfectionnements aux haveuses
FR732607A (fr) Perfectionnements apportés aux ventilateurs de mines
FR528534A (fr) Appareil respiratoire de mines
FR627647A (fr) Perfectionnements aux haveuses
FR591884A (fr) Perfectionnements aux transporteurs particulièrement applicables aux mines
FR628511A (fr) Perfectionnements aux séchoirs à tunnel
FR562126A (fr) Explosifs
FR610892A (fr) Perfectionnements apportés aux haveuses
FR591212A (fr) Perfectionnements apportés aux haveuses
FR545147A (fr) Perfectionnements aux lampes de mines
FR602852A (fr) Perfectionnements aux haveuses
FR585432A (fr) Perfectionnements apportés aux explosifs propulsifs
FR608667A (fr) Perfectionnements aux haveuses
FR599715A (fr) Mine
FR606890A (fr) Perfectionnements apportés aux explosifs
FR594311A (fr) Perfectionnements aux sous-marins mouilleurs de mines