BE689892A - - Google Patents

Info

Publication number
BE689892A
BE689892A BE689892DA BE689892A BE 689892 A BE689892 A BE 689892A BE 689892D A BE689892D A BE 689892DA BE 689892 A BE689892 A BE 689892A
Authority
BE
Belgium
Application number
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 BE689892A publication Critical patent/BE689892A/xx

Links

Classifications

    • 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
    • E21D23/0409Aligning or guiding means for the supports or for the constitutive parts of the supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Body Structure For Vehicles (AREA)
BE689892D 1965-11-20 1966-11-18 BE689892A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4941265A GB1122309A (en) 1965-11-20 1965-11-20 Improvements in advancing mine roof supports

Publications (1)

Publication Number Publication Date
BE689892A true BE689892A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-05-02

Family

ID=10452257

Family Applications (1)

Application Number Title Priority Date Filing Date
BE689892D BE689892A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-11-20 1966-11-18

Country Status (4)

Country Link
BE (1) BE689892A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1505639A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1122309A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6616190A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
GB1122309A (en) 1968-08-07
NL6616190A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-05-22
FR1505639A (fr) 1967-12-15

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