BE567926A - - Google Patents

Info

Publication number
BE567926A
BE567926A BE567926DA BE567926A BE 567926 A BE567926 A BE 567926A BE 567926D A BE567926D A BE 567926DA BE 567926 A BE567926 A BE 567926A
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 BE567926A publication Critical patent/BE567926A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50Component parts or details of props
    • E21D15/51Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512Arrangement 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)
  • Credit Cards Or The Like (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Reciprocating Pumps (AREA)
BE567926D 1957-05-23 BE567926A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK32022A DE1113193B (de) 1957-05-23 1957-05-23 Hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
BE567926A true BE567926A (en:Method)

Family

ID=7219329

Family Applications (1)

Application Number Title Priority Date Filing Date
BE567926D BE567926A (en:Method) 1957-05-23

Country Status (4)

Country Link
BE (1) BE567926A (en:Method)
DE (1) DE1113193B (en:Method)
FR (1) FR1196318A (en:Method)
GB (1) GB866242A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL300061A (en:Method) * 1963-08-19

Also Published As

Publication number Publication date
FR1196318A (fr) 1959-11-23
DE1113193B (de) 1961-08-31
GB866242A (en) 1961-04-26

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