FR2333179A1 - Soupape de surpression a piece obturatrice soumise a l'action d'un gaz de commande sous pression - Google Patents

Soupape de surpression a piece obturatrice soumise a l'action d'un gaz de commande sous pression

Info

Publication number
FR2333179A1
FR2333179A1 FR7635228A FR7635228A FR2333179A1 FR 2333179 A1 FR2333179 A1 FR 2333179A1 FR 7635228 A FR7635228 A FR 7635228A FR 7635228 A FR7635228 A FR 7635228A FR 2333179 A1 FR2333179 A1 FR 2333179A1
Authority
FR
France
Prior art keywords
control gas
closing element
surface layer
relief valve
sealing surface
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
FR7635228A
Other languages
English (en)
French (fr)
Other versions
FR2333179B3 (OSRAM
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Publication of FR2333179A1 publication Critical patent/FR2333179A1/fr
Application granted granted Critical
Publication of FR2333179B3 publication Critical patent/FR2333179B3/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Safety Valves (AREA)
  • Lift Valve (AREA)
FR7635228A 1975-11-25 1976-11-23 Soupape de surpression a piece obturatrice soumise a l'action d'un gaz de commande sous pression Granted FR2333179A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752552733 DE2552733A1 (de) 1975-11-25 1975-11-25 Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt ist

Publications (2)

Publication Number Publication Date
FR2333179A1 true FR2333179A1 (fr) 1977-06-24
FR2333179B3 FR2333179B3 (OSRAM) 1980-11-07

Family

ID=5962528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7635228A Granted FR2333179A1 (fr) 1975-11-25 1976-11-23 Soupape de surpression a piece obturatrice soumise a l'action d'un gaz de commande sous pression

Country Status (2)

Country Link
DE (1) DE2552733A1 (OSRAM)
FR (1) FR2333179A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486191A1 (fr) * 1980-07-02 1982-01-08 Banyaszati Fejlesztesi Intezet Soupape limiteuse de pression, notamment pour etancons hydrauliques de mine
FR2504974A1 (fr) * 1981-04-30 1982-11-05 Bennes Marrel Valve hydraulique de coulissement pour verin de mine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486191A1 (fr) * 1980-07-02 1982-01-08 Banyaszati Fejlesztesi Intezet Soupape limiteuse de pression, notamment pour etancons hydrauliques de mine
FR2504974A1 (fr) * 1981-04-30 1982-11-05 Bennes Marrel Valve hydraulique de coulissement pour verin de mine

Also Published As

Publication number Publication date
FR2333179B3 (OSRAM) 1980-11-07
DE2552733A1 (de) 1977-06-02

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