ATA861275A - EXTENSION FOR DISC WAY STRUCTURE OF MINERAL - Google Patents

EXTENSION FOR DISC WAY STRUCTURE OF MINERAL

Info

Publication number
ATA861275A
ATA861275A AT861275A AT861275A ATA861275A AT A861275 A ATA861275 A AT A861275A AT 861275 A AT861275 A AT 861275A AT 861275 A AT861275 A AT 861275A AT A861275 A ATA861275 A AT A861275A
Authority
AT
Austria
Prior art keywords
mineral
extension
way structure
disc
disc way
Prior art date
Application number
AT861275A
Other languages
German (de)
Other versions
AT343577B (en
Original Assignee
Rheinstahl Ag
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
Priority claimed from DE19752500951 external-priority patent/DE2500951C3/en
Application filed by Rheinstahl Ag filed Critical Rheinstahl Ag
Publication of ATA861275A publication Critical patent/ATA861275A/en
Application granted granted Critical
Publication of AT343577B publication Critical patent/AT343577B/en

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
    • E21D23/04—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
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0013—Frame type supports
    • 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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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
    • E21D23/0454—Trailing 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)
  • Adjustment And Processing Of Grains (AREA)
  • Electrically Operated Instructional Devices (AREA)
AT861275A 1975-01-10 1975-11-12 EXTENSION FOR DISC WAY STRUCTURE OF MINERAL AT343577B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752500951 DE2500951C3 (en) 1975-01-11 Expansion for the longwall mining of mineral in slices

Publications (2)

Publication Number Publication Date
ATA861275A true ATA861275A (en) 1977-10-15
AT343577B AT343577B (en) 1978-06-12

Family

ID=5936275

Family Applications (1)

Application Number Title Priority Date Filing Date
AT861275A AT343577B (en) 1975-01-10 1975-11-12 EXTENSION FOR DISC WAY STRUCTURE OF MINERAL

Country Status (1)

Country Link
AT (1) AT343577B (en)

Also Published As

Publication number Publication date
DE2500951B2 (en) 1976-10-14
AT343577B (en) 1978-06-12
DE2500951A1 (en) 1976-07-15

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