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BE697575A - - Google Patents
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BE697575A - - Google Patents

Info

Publication number
BE697575A
BE697575A BE697575DA BE697575A BE 697575 A BE697575 A BE 697575A BE 697575D A BE697575D A BE 697575DA BE 697575 A BE697575 A BE 697575A
Authority
BE
Belgium
Prior art keywords
frames
segments
backfill
support
translation
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE697575A publication Critical patent/BE697575A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • E21F15/02Supporting means, e.g. shuttering, for filling-up materials
    • E21F15/04Stowing mats; Goaf wire netting; Partition walls
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0454Trailing plates; Coal face or goaf side sprags

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
BE697575D 1966-05-11 1967-04-26 BE697575A (sr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0059218 1966-05-11

Publications (1)

Publication Number Publication Date
BE697575A true BE697575A (sr) 1967-10-02

Family

ID=7229046

Family Applications (1)

Application Number Title Priority Date Filing Date
BE697575D BE697575A (sr) 1966-05-11 1967-04-26

Country Status (1)

Country Link
BE (1) BE697575A (sr)

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