FR1154523A - Improvements to hydraulic pressure regulators - Google Patents

Improvements to hydraulic pressure regulators

Info

Publication number
FR1154523A
FR1154523A FR1154523DA FR1154523A FR 1154523 A FR1154523 A FR 1154523A FR 1154523D A FR1154523D A FR 1154523DA FR 1154523 A FR1154523 A FR 1154523A
Authority
FR
France
Prior art keywords
hydraulic pressure
pressure regulators
regulators
hydraulic
pressure
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
Other languages
French (fr)
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.)
WILD A G & CO Ltd
Original Assignee
WILD A G & CO Ltd
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 WILD A G & CO Ltd filed Critical WILD A G & CO Ltd
Application granted granted Critical
Publication of FR1154523A publication Critical patent/FR1154523A/en
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

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)
FR1154523D 1956-06-15 1956-06-15 Improvements to hydraulic pressure regulators Expired FR1154523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1154523T 1956-06-15

Publications (1)

Publication Number Publication Date
FR1154523A true FR1154523A (en) 1958-04-11

Family

ID=9649246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1154523D Expired FR1154523A (en) 1956-06-15 1956-06-15 Improvements to hydraulic pressure regulators

Country Status (1)

Country Link
FR (1) FR1154523A (en)

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