BE465594A - - Google Patents

Info

Publication number
BE465594A
BE465594A BE465594DA BE465594A BE 465594 A BE465594 A BE 465594A BE 465594D A BE465594D A BE 465594DA BE 465594 A BE465594 A BE 465594A
Authority
BE
Belgium
Prior art keywords
support
iron
extension
buffers
props
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE465594A publication Critical patent/BE465594A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/01Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/10Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Buffer Packaging (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
BE465594D BE465594A (OSRAM)

Publications (1)

Publication Number Publication Date
BE465594A true BE465594A (OSRAM)

Family

ID=117135

Family Applications (1)

Application Number Title Priority Date Filing Date
BE465594D BE465594A (OSRAM)

Country Status (1)

Country Link
BE (1) BE465594A (OSRAM)

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