FR1284387A - Support hydraulique - Google Patents

Support hydraulique

Info

Publication number
FR1284387A
FR1284387A FR856282A FR856282A FR1284387A FR 1284387 A FR1284387 A FR 1284387A FR 856282 A FR856282 A FR 856282A FR 856282 A FR856282 A FR 856282A FR 1284387 A FR1284387 A FR 1284387A
Authority
FR
France
Prior art keywords
hydraulic support
hydraulic
support
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
FR856282A
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment 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 Mastabar Mining Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Application granted granted Critical
Publication of FR1284387A publication Critical patent/FR1284387A/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
    • B66F3/25—Constructional features
    • 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
    • B66F3/25—Constructional features
    • B66F3/26—Adaptations or arrangements of pistons
    • 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
    • E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
    • 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
    • B66F2700/055—Jacks with a single cylinder
    • B66F2700/057—Pistons, e.g. telescopic; Cylinders or sealing joints; Hydraulic travel-limiting devices or shock damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Forging (AREA)
  • Clamps And Clips (AREA)
FR856282A 1960-04-19 1961-03-21 Support hydraulique Expired FR1284387A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13581/60A GB898987A (en) 1960-04-19 1960-04-19 Improvements in or relating to hydraulic supports

Publications (1)

Publication Number Publication Date
FR1284387A true FR1284387A (fr) 1962-02-09

Family

ID=10025564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856282A Expired FR1284387A (fr) 1960-04-19 1961-03-21 Support hydraulique

Country Status (5)

Country Link
US (1) US3073562A (fr)
BE (1) BE602739A (fr)
DE (1) DE1166125B (fr)
FR (1) FR1284387A (fr)
GB (1) GB898987A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281108A (en) * 1965-12-27 1966-10-25 Ohio Brass Co Hydraulic support prop
US3464366A (en) * 1966-09-29 1969-09-02 Halliburton Co Hydraulically dampened railway truck bolster
US3595350A (en) * 1969-08-22 1971-07-27 Stucki Co A Snubber device and bearing structure therefore

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042443A (en) * 1935-02-04 1936-05-26 Eastman Kodak Co Adjustable supporting pillar or the like
DE924686C (de) * 1951-11-30 1955-03-07 Emil Weber Hydraulische Setzvorrichtung fuer Stempel
BE542887A (fr) * 1954-12-14
BE548513A (fr) * 1955-06-10
FR1202536A (fr) * 1958-09-11 1960-01-11 étançon de mine

Also Published As

Publication number Publication date
BE602739A (fr) 1961-08-16
GB898987A (en) 1962-06-20
DE1166125B (de) 1964-03-26
US3073562A (en) 1963-01-15

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