FR1286103A - étançon hydro-pneumatique - Google Patents

étançon hydro-pneumatique

Info

Publication number
FR1286103A
FR1286103A FR850424A FR850424A FR1286103A FR 1286103 A FR1286103 A FR 1286103A FR 850424 A FR850424 A FR 850424A FR 850424 A FR850424 A FR 850424A FR 1286103 A FR1286103 A FR 1286103A
Authority
FR
France
Prior art keywords
prop
hydro
pneumatic
pneumatic prop
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
FR850424A
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.)
FLINOIS ETS
Original Assignee
FLINOIS ETS
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 to NL262116D priority Critical patent/NL262116A/xx
Application filed by FLINOIS ETS filed Critical FLINOIS ETS
Priority to FR850424A priority patent/FR1286103A/fr
Priority to BE600180A priority patent/BE600180A/fr
Application granted granted Critical
Publication of FR1286103A publication Critical patent/FR1286103A/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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F2700/00—Lifting apparatus
    • B66F2700/05—Hydraulic jacks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR850424A 1961-01-21 1961-01-21 étançon hydro-pneumatique Expired FR1286103A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL262116D NL262116A (fr) 1961-01-21
FR850424A FR1286103A (fr) 1961-01-21 1961-01-21 étançon hydro-pneumatique
BE600180A BE600180A (fr) 1961-01-21 1961-02-14 Etançon hydro-pneumatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850424A FR1286103A (fr) 1961-01-21 1961-01-21 étançon hydro-pneumatique

Publications (1)

Publication Number Publication Date
FR1286103A true FR1286103A (fr) 1962-03-02

Family

ID=8747235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850424A Expired FR1286103A (fr) 1961-01-21 1961-01-21 étançon hydro-pneumatique

Country Status (3)

Country Link
BE (1) BE600180A (fr)
FR (1) FR1286103A (fr)
NL (1) NL262116A (fr)

Also Published As

Publication number Publication date
NL262116A (fr)
BE600180A (fr) 1961-05-29

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