JPS4880401A - - Google Patents

Info

Publication number
JPS4880401A
JPS4880401A JP12574072A JP12574072A JPS4880401A JP S4880401 A JPS4880401 A JP S4880401A JP 12574072 A JP12574072 A JP 12574072A JP 12574072 A JP12574072 A JP 12574072A JP S4880401 A JPS4880401 A JP S4880401A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP12574072A
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 JPS4880401A publication Critical patent/JPS4880401A/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
    • E21F15/04—Stowing mats; Goaf wire netting; Partition walls
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/04—Cantilever extension or similar protecting devices for use in longwall working
    • 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
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
    • 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/066—Pivoted cantilever extensions therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts

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)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
  • Bridges Or Land Bridges (AREA)
JP12574072A 1971-12-14 1972-12-14 Pending JPS4880401A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1074071 1971-12-14

Publications (1)

Publication Number Publication Date
JPS4880401A true JPS4880401A (ja) 1973-10-27

Family

ID=3624367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12574072A Pending JPS4880401A (ja) 1971-12-14 1972-12-14

Country Status (5)

Country Link
JP (1) JPS4880401A (ja)
DE (1) DE2259270A1 (ja)
ES (1) ES409573A1 (ja)
FR (1) FR2163563B3 (ja)
YU (1) YU35388B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404925A1 (de) * 1984-02-11 1985-08-22 Bergwerksverband Gmbh, 4300 Essen Rueckpfaendkappe fuer schreitausbau

Also Published As

Publication number Publication date
YU35388B (en) 1980-12-31
FR2163563A1 (ja) 1973-07-27
ES409573A1 (es) 1975-11-16
DE2259270A1 (de) 1973-06-28
YU308172A (en) 1980-06-30
FR2163563B3 (ja) 1976-06-18

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