BE557878A - - Google Patents

Info

Publication number
BE557878A
BE557878A BE557878DA BE557878A BE 557878 A BE557878 A BE 557878A BE 557878D A BE557878D A BE 557878DA BE 557878 A BE557878 A BE 557878A
Authority
BE
Belgium
Prior art keywords
conveyor
chain
traction member
drum
support
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE557878A publication Critical patent/BE557878A/fr

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
    • E21D15/60—Devices for withdrawing props or chocks
    • E21D15/606—Devices for withdrawing props or chocks the props being moved systematically
    • 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
    • E21D15/60—Devices for withdrawing props or chocks
    • E21D15/603—Devices for withdrawing props or chocks by means of hydraulic devices

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)
  • Structure Of Belt Conveyors (AREA)
BE557878D BE557878A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE557878A true BE557878A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=181131

Family Applications (1)

Application Number Title Priority Date Filing Date
BE557878D BE557878A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE557878A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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