DE2700412A1 - Ventilschwingungsgedaempfte sicherheitstraenksonde fuer den bergbau - Google Patents

Ventilschwingungsgedaempfte sicherheitstraenksonde fuer den bergbau

Info

Publication number
DE2700412A1
DE2700412A1 DE19772700412 DE2700412A DE2700412A1 DE 2700412 A1 DE2700412 A1 DE 2700412A1 DE 19772700412 DE19772700412 DE 19772700412 DE 2700412 A DE2700412 A DE 2700412A DE 2700412 A1 DE2700412 A1 DE 2700412A1
Authority
DE
Germany
Prior art keywords
valve
chambers
flood
safety
damming
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.)
Granted
Application number
DE19772700412
Other languages
German (de)
English (en)
Other versions
DE2700412C2 (cg-RX-API-DMAC7.html
Inventor
Heinrich Gresch
Heinz Hoelter
Heinrich Igelbuescher
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
Priority to DE19772700412 priority Critical patent/DE2700412A1/de
Publication of DE2700412A1 publication Critical patent/DE2700412A1/de
Application granted granted Critical
Publication of DE2700412C2 publication Critical patent/DE2700412C2/de
Granted 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
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/18—Impregnating walls, or the like, with liquids for binding dust

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)
  • Check Valves (AREA)
  • Safety Valves (AREA)
DE19772700412 1977-01-07 1977-01-07 Ventilschwingungsgedaempfte sicherheitstraenksonde fuer den bergbau Granted DE2700412A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772700412 DE2700412A1 (de) 1977-01-07 1977-01-07 Ventilschwingungsgedaempfte sicherheitstraenksonde fuer den bergbau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772700412 DE2700412A1 (de) 1977-01-07 1977-01-07 Ventilschwingungsgedaempfte sicherheitstraenksonde fuer den bergbau

Publications (2)

Publication Number Publication Date
DE2700412A1 true DE2700412A1 (de) 1978-07-20
DE2700412C2 DE2700412C2 (cg-RX-API-DMAC7.html) 1990-03-08

Family

ID=5998209

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772700412 Granted DE2700412A1 (de) 1977-01-07 1977-01-07 Ventilschwingungsgedaempfte sicherheitstraenksonde fuer den bergbau

Country Status (1)

Country Link
DE (1) DE2700412A1 (cg-RX-API-DMAC7.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614153C2 (de) * 1976-04-02 1985-05-09 Phoenix Ag, 2100 Hamburg Schlauchförmige Sonde für den Bergbau

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614153C2 (de) * 1976-04-02 1985-05-09 Phoenix Ag, 2100 Hamburg Schlauchförmige Sonde für den Bergbau

Also Published As

Publication number Publication date
DE2700412C2 (cg-RX-API-DMAC7.html) 1990-03-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: E21F 5/18

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8131 Rejection
8170 Reinstatement of the former position
8162 Independent application
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee