BE658551A - - Google Patents

Info

Publication number
BE658551A
BE658551A BE658551DA BE658551A BE 658551 A BE658551 A BE 658551A BE 658551D A BE658551D A BE 658551DA BE 658551 A BE658551 A BE 658551A
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 BE658551A publication Critical patent/BE658551A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
  • Framework For Endless Conveyors (AREA)
BE658551D 1964-01-21 1965-01-20 BE658551A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB268264A GB1044071A (en) 1964-01-21 1964-01-21 Improvements in or relating to roof supports suitable for mines

Publications (1)

Publication Number Publication Date
BE658551A true BE658551A (zh) 1965-05-17

Family

ID=9743922

Family Applications (1)

Application Number Title Priority Date Filing Date
BE658551D BE658551A (zh) 1964-01-21 1965-01-20

Country Status (5)

Country Link
AT (1) AT269034B (zh)
BE (1) BE658551A (zh)
FR (1) FR1421194A (zh)
GB (1) GB1044071A (zh)
NL (1) NL6500763A (zh)

Also Published As

Publication number Publication date
GB1044071A (en) 1966-09-28
FR1421194A (fr) 1965-12-10
NL6500763A (zh) 1965-07-22
AT269034B (de) 1969-03-10

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