BE571152A - - Google Patents

Info

Publication number
BE571152A
BE571152A BE571152DA BE571152A BE 571152 A BE571152 A BE 571152A BE 571152D A BE571152D A BE 571152DA BE 571152 A BE571152 A BE 571152A
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 BE571152A publication Critical patent/BE571152A/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)
  • Safety Valves (AREA)
  • Supports For Plants (AREA)
  • Press Drives And Press Lines (AREA)
  • Food-Manufacturing Devices (AREA)
BE571152D 1957-09-13 BE571152A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG22924A DE1132073B (de) 1957-09-13 1957-09-13 Ventilanordnung fuer hydraulische Grubenstempel

Publications (1)

Publication Number Publication Date
BE571152A true BE571152A (ro)

Family

ID=7122067

Family Applications (1)

Application Number Title Priority Date Filing Date
BE571152D BE571152A (ro) 1957-09-13

Country Status (4)

Country Link
BE (1) BE571152A (ro)
DE (1) DE1132073B (ro)
FR (1) FR1202560A (ro)
GB (1) GB899874A (ro)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1050951A (ro) * 1963-01-26
DE1278377B (de) * 1964-08-12 1968-09-26 Gullick Ltd Ausbauelement, insbesondere fuer den Strebausbau in untertaegigen Grubenbetrieben
DE3540531C1 (de) * 1985-11-15 1987-01-08 Hemscheidt Maschf Hermann Wechselventil fuer hydraulischen Schreitausbau
FR2599806B1 (fr) * 1986-06-10 1988-11-04 Douaisis Sabes Stephanoise Valve pour etancon a fluide ou organe analogue
FR2677947A1 (fr) * 1991-03-26 1992-12-24 Outboard Marine Corp Ensemble d'equilibrage ameliore.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE533818A (ro) * 1953-12-02 1900-01-01
DE1062654B (de) * 1956-04-03 1959-08-06 Kloeckner Bergbau Viktor Icker Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
FR1202560A (fr) 1960-01-12
DE1132073B (de) 1962-06-28
GB899874A (en) 1962-06-27

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