FR1126793A - Improvements to hydraulic devices - Google Patents

Improvements to hydraulic devices

Info

Publication number
FR1126793A
FR1126793A FR1126793DA FR1126793A FR 1126793 A FR1126793 A FR 1126793A FR 1126793D A FR1126793D A FR 1126793DA FR 1126793 A FR1126793 A FR 1126793A
Authority
FR
France
Prior art keywords
hydraulic devices
hydraulic
devices
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)
Inventor
Cargill Speirs Sandeman
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson 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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR1126793A publication Critical patent/FR1126793A/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
    • E21D15/515—Particular fluids not covered by any chemical subdivision
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F7/00—Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein
    • F04F7/02—Hydraulic rams

Landscapes

  • 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)
  • General Engineering & Computer Science (AREA)
FR1126793D 1955-06-29 1955-06-29 Improvements to hydraulic devices Expired FR1126793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1126793T 1955-06-29

Publications (1)

Publication Number Publication Date
FR1126793A true FR1126793A (en) 1956-11-30

Family

ID=9635258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1126793D Expired FR1126793A (en) 1955-06-29 1955-06-29 Improvements to hydraulic devices

Country Status (1)

Country Link
FR (1) FR1126793A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514227A (en) * 1968-02-14 1970-05-26 Rupp Co Warren Pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514227A (en) * 1968-02-14 1970-05-26 Rupp Co Warren Pump

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