BE582602A - - Google Patents

Info

Publication number
BE582602A
BE582602A BE582602DA BE582602A BE 582602 A BE582602 A BE 582602A BE 582602D A BE582602D A BE 582602DA BE 582602 A BE582602 A BE 582602A
Authority
BE
Belgium
Prior art keywords
bolts
assembly
fishplates
keys
profiles
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE582602A publication Critical patent/BE582602A/fr

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
    • E21D15/14Telescopic props
    • E21D15/28Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
  • Farming Of Fish And Shellfish (AREA)
BE582602D BE582602A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE582602A true BE582602A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=191317

Family Applications (1)

Application Number Title Priority Date Filing Date
BE582602D BE582602A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE582602A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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