DE224578C - - Google Patents

Info

Publication number
DE224578C
DE224578C DENDAT224578D DE224578DA DE224578C DE 224578 C DE224578 C DE 224578C DE NDAT224578 D DENDAT224578 D DE NDAT224578D DE 224578D A DE224578D A DE 224578DA DE 224578 C DE224578 C DE 224578C
Authority
DE
Germany
Prior art keywords
door
dam
sealing surface
curvature
center
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.)
Active
Application number
DENDAT224578D
Other languages
German (de)
English (en)
Publication of DE224578C publication Critical patent/DE224578C/de
Active 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)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
DENDAT224578D Active DE224578C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE224578C true DE224578C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=485300

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT224578D Active DE224578C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE224578C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115210B (de) * 1958-01-09 1961-10-19 Bochumer Eisen Heintzmann Dammtuer fuer den Grubenbetrieb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115210B (de) * 1958-01-09 1961-10-19 Bochumer Eisen Heintzmann Dammtuer fuer den Grubenbetrieb

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