FR2061188A5 - - Google Patents

Info

Publication number
FR2061188A5
FR2061188A5 FR7032766A FR7032766A FR2061188A5 FR 2061188 A5 FR2061188 A5 FR 2061188A5 FR 7032766 A FR7032766 A FR 7032766A FR 7032766 A FR7032766 A FR 7032766A FR 2061188 A5 FR2061188 A5 FR 2061188A5
Authority
FR
France
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
FR7032766A
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.)
BOSCH
Original Assignee
BOSCH
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
Priority claimed from DE19691946571 external-priority patent/DE1946571C3/de
Application filed by BOSCH filed Critical BOSCH
Application granted granted Critical
Publication of FR2061188A5 publication Critical patent/FR2061188A5/fr
Expired 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
    • 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)
FR7032766A 1969-09-13 1970-09-09 Expired FR2061188A5 (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
FR2061188A5 true FR2061188A5 (fr) 1971-06-18

Family

ID=5745488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7032766A Expired FR2061188A5 (fr) 1969-09-13 1970-09-09

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345644A1 (fr) * 1976-03-26 1977-10-21 Bochumer Eisen Heintzmann Soupape de surete

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345644A1 (fr) * 1976-03-26 1977-10-21 Bochumer Eisen Heintzmann Soupape de surete

Also Published As

Publication number Publication date
DE1946571B2 (de) 1976-01-08
GB1291629A (en) 1972-10-04
JPS494417B1 (fr) 1974-01-31
DE1946571A1 (de) 1971-03-25
BE756058A (fr) 1971-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse