FR92870E - Perfectionnements aux valves de sureté pour le coulissement des étancons hydrauliques assurant le soutenement dans les mines. - Google Patents

Perfectionnements aux valves de sureté pour le coulissement des étancons hydrauliques assurant le soutenement dans les mines.

Info

Publication number
FR92870E
FR92870E FR69048848A FR69048848A FR92870E FR 92870 E FR92870 E FR 92870E FR 69048848 A FR69048848 A FR 69048848A FR 69048848 A FR69048848 A FR 69048848A FR 92870 E FR92870 E FR 92870E
Authority
FR
France
Prior art keywords
stanchions
mines
providing support
safety valves
sliding hydraulic
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.)
Expired
Application number
FR69048848A
Other languages
English (en)
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 FR69048160A external-priority patent/FR1515176A/fr
Application filed by Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR69048848A priority Critical patent/FR92870E/fr
Priority to FR69049269A priority patent/FR93141E/fr
Priority to GB42268A priority patent/GB1191962A/en
Priority to US3515166D priority patent/US3515166A/en
Priority to ES349214A priority patent/ES349214A1/es
Priority to DE19681583791 priority patent/DE1583791B1/de
Application granted granted Critical
Publication of FR92870E publication Critical patent/FR92870E/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
    • F16K17/046—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type
    • 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
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
    • F16K17/0453—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the member being a diaphragm

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)
FR69048848A 1967-01-13 1967-06-28 Perfectionnements aux valves de sureté pour le coulissement des étancons hydrauliques assurant le soutenement dans les mines. Expired FR92870E (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR69048848A FR92870E (fr) 1967-01-13 1967-06-28 Perfectionnements aux valves de sureté pour le coulissement des étancons hydrauliques assurant le soutenement dans les mines.
FR69049269A FR93141E (fr) 1967-01-13 1967-10-30 Perfectionnements aux valves de sureté pour le coulissement des étanÇons hydrauliques assurant le soutenement dans les mines.
GB42268A GB1191962A (en) 1967-01-13 1968-01-03 Improvements in or relating to Safety Valves
US3515166D US3515166A (en) 1967-01-13 1968-01-05 Safety valves
ES349214A ES349214A1 (es) 1967-01-13 1968-01-12 Dispositivo de valvula de seguridad.
DE19681583791 DE1583791B1 (de) 1967-01-13 1968-01-12 Sicherheitsventil fuer hydraulische Grubenstempel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR69048160A FR1515176A (fr) 1967-01-13 1967-01-13 Perfectionnements aux valves de sûreté pour le coulissement des étançons hydrauliques assurant le soutènement dans les mines
FR69048848A FR92870E (fr) 1967-01-13 1967-06-28 Perfectionnements aux valves de sureté pour le coulissement des étancons hydrauliques assurant le soutenement dans les mines.

Publications (1)

Publication Number Publication Date
FR92870E true FR92870E (fr) 1969-01-10

Family

ID=33454523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69048848A Expired FR92870E (fr) 1967-01-13 1967-06-28 Perfectionnements aux valves de sureté pour le coulissement des étancons hydrauliques assurant le soutenement dans les mines.

Country Status (1)

Country Link
FR (1) FR92870E (fr)

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