BE533981A - - Google Patents

Info

Publication number
BE533981A
BE533981A BE533981DA BE533981A BE 533981 A BE533981 A BE 533981A BE 533981D A BE533981D A BE 533981DA BE 533981 A BE533981 A BE 533981A
Authority
BE
Belgium
Application number
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.)
Publication of BE533981A publication Critical patent/BE533981A/xx

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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • 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
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
BE533981D 1953-12-10 BE533981A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3442753A GB762969A (en) 1953-12-10 1953-12-10 Improvements in or relating to hydraulic devices for use in mines

Publications (1)

Publication Number Publication Date
BE533981A true BE533981A (enrdf_load_stackoverflow)

Family

ID=10365510

Family Applications (1)

Application Number Title Priority Date Filing Date
BE533981D BE533981A (enrdf_load_stackoverflow) 1953-12-10

Country Status (4)

Country Link
BE (1) BE533981A (enrdf_load_stackoverflow)
DE (1) DE1118719B (enrdf_load_stackoverflow)
FR (1) FR1115361A (enrdf_load_stackoverflow)
GB (1) GB762969A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE807083C (de) * 1950-03-07 1951-06-25 Josef Brand Hydraulischer Grubenstempel
DE918562C (de) * 1951-11-24 1954-09-30 Werner Sogalla Dr Ing Hydraulischer Grubenstempel
DE925706C (de) * 1953-06-25 1955-03-28 Steinkohlenbergbauver Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
DE1118719B (de) 1961-12-07
FR1115361A (fr) 1956-04-23
GB762969A (en) 1956-12-05

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