BE756058A - Soupape a plusieurs fonctions, pouvant notamment etre appliqueeaux etancons de mine - Google Patents

Soupape a plusieurs fonctions, pouvant notamment etre appliqueeaux etancons de mine

Info

Publication number
BE756058A
BE756058A BE756058DA BE756058A BE 756058 A BE756058 A BE 756058A BE 756058D A BE756058D A BE 756058DA BE 756058 A BE756058 A BE 756058A
Authority
BE
Belgium
Prior art keywords
mine
tanks
valve
several functions
functions
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Bosch Gmbh Robert
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.)
Publication date
Priority claimed from DE19691946571 external-priority patent/DE1946571C3/de
Publication of BE756058A publication Critical patent/BE756058A/xx

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Safety Valves (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Lift Valve (AREA)
BE756058D 1969-09-13 Soupape a plusieurs fonctions, pouvant notamment etre appliqueeaux etancons de mine BE756058A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691946571 DE1946571C3 (de) 1969-09-13 Ventil

Publications (1)

Publication Number Publication Date
BE756058A true BE756058A (fr) 1971-02-15

Family

ID=5745488

Family Applications (1)

Application Number Title Priority Date Filing Date
BE756058D BE756058A (fr) 1969-09-13 Soupape a plusieurs fonctions, pouvant notamment etre appliqueeaux etancons de mine

Country Status (4)

Country Link
JP (1) JPS494417B1 (xx)
BE (1) BE756058A (xx)
FR (1) FR2061188A5 (xx)
GB (1) GB1291629A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612953C3 (de) * 1976-03-26 1979-08-30 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Druckbegrenzungsventil für hydraulische Grubenstempel
CN110219682A (zh) * 2019-05-31 2019-09-10 平顶山平煤机煤矿机械装备有限公司 具有高弹性可拆卸装置的抗冲击立柱

Also Published As

Publication number Publication date
DE1946571B2 (de) 1976-01-08
FR2061188A5 (xx) 1971-06-18
GB1291629A (en) 1972-10-04
JPS494417B1 (xx) 1974-01-31
DE1946571A1 (de) 1971-03-25

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