FR1337114A - Duct, in particular canar or vent nozzle for mining operations, with coupling rings, or rings, arranged at the ends - Google Patents

Duct, in particular canar or vent nozzle for mining operations, with coupling rings, or rings, arranged at the ends

Info

Publication number
FR1337114A
FR1337114A FR913363A FR913363A FR1337114A FR 1337114 A FR1337114 A FR 1337114A FR 913363 A FR913363 A FR 913363A FR 913363 A FR913363 A FR 913363A FR 1337114 A FR1337114 A FR 1337114A
Authority
FR
France
Prior art keywords
rings
canar
duct
mining operations
vent nozzle
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
FR913363A
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.)
Steinhaus GmbH
Original Assignee
Steinhaus GmbH
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 Steinhaus GmbH filed Critical Steinhaus GmbH
Priority to FR913363A priority Critical patent/FR1337114A/en
Application granted granted Critical
Publication of FR1337114A publication Critical patent/FR1337114A/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)
FR913363A 1962-10-25 1962-10-25 Duct, in particular canar or vent nozzle for mining operations, with coupling rings, or rings, arranged at the ends Expired FR1337114A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR913363A FR1337114A (en) 1962-10-25 1962-10-25 Duct, in particular canar or vent nozzle for mining operations, with coupling rings, or rings, arranged at the ends

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR913363A FR1337114A (en) 1962-10-25 1962-10-25 Duct, in particular canar or vent nozzle for mining operations, with coupling rings, or rings, arranged at the ends

Publications (1)

Publication Number Publication Date
FR1337114A true FR1337114A (en) 1963-09-06

Family

ID=8789449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913363A Expired FR1337114A (en) 1962-10-25 1962-10-25 Duct, in particular canar or vent nozzle for mining operations, with coupling rings, or rings, arranged at the ends

Country Status (1)

Country Link
FR (1) FR1337114A (en)

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