BE570337A - - Google Patents

Info

Publication number
BE570337A
BE570337A BE570337DA BE570337A BE 570337 A BE570337 A BE 570337A BE 570337D A BE570337D A BE 570337DA BE 570337 A BE570337 A BE 570337A
Authority
BE
Belgium
Prior art keywords
support
chain
winch
devices
support device
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE570337A publication Critical patent/BE570337A/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

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
BE570337D BE570337A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE570337A true BE570337A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=188940

Family Applications (1)

Application Number Title Priority Date Filing Date
BE570337D BE570337A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE570337A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1408718B1 (de) * 1960-10-25 1972-12-14 Gewerk Eisenhuette Westfalia Rueckvorrichtung fuer wandernde Ausbauelemente

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1408718B1 (de) * 1960-10-25 1972-12-14 Gewerk Eisenhuette Westfalia Rueckvorrichtung fuer wandernde Ausbauelemente

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