ZA731148B - Shield lining units for use in underground extraction workings - Google Patents

Shield lining units for use in underground extraction workings

Info

Publication number
ZA731148B
ZA731148B ZA731148A ZA731148A ZA731148B ZA 731148 B ZA731148 B ZA 731148B ZA 731148 A ZA731148 A ZA 731148A ZA 731148 A ZA731148 A ZA 731148A ZA 731148 B ZA731148 B ZA 731148B
Authority
ZA
South Africa
Prior art keywords
lining units
underground extraction
shield lining
workings
extraction workings
Prior art date
Application number
ZA731148A
Inventor
G Bell
W Hachenberg
Original Assignee
Kloeckner Werke 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
Application filed by Kloeckner Werke Ag filed Critical Kloeckner Werke Ag
Publication of ZA731148B publication Critical patent/ZA731148B/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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

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)
  • Excavating Of Shafts Or Tunnels (AREA)
ZA731148A 1972-03-22 1973-02-19 Shield lining units for use in underground extraction workings ZA731148B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2213793A DE2213793A1 (en) 1972-03-22 1972-03-22 SHIELD REMOVAL FOR USE IN UNDERGROUND MINING COMPANIES

Publications (1)

Publication Number Publication Date
ZA731148B true ZA731148B (en) 1973-11-28

Family

ID=5839705

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA731148A ZA731148B (en) 1972-03-22 1973-02-19 Shield lining units for use in underground extraction workings

Country Status (4)

Country Link
DE (1) DE2213793A1 (en)
FR (1) FR2176720B1 (en)
GB (1) GB1415244A (en)
ZA (1) ZA731148B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2540091C2 (en) * 1975-09-09 1982-06-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support frame
GB2143882B (en) * 1983-07-23 1986-11-05 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
CN100404789C (en) * 2004-12-06 2008-07-23 煤炭科学研究总院太原分院 Suspending movable hydraulic support rack for advanced support in coal cutting roadway
CN102720537B (en) * 2012-06-12 2014-08-13 淮南矿业(集团)有限责任公司 Hydraulic filling device for upper corner
CN104121029A (en) * 2013-04-28 2014-10-29 苑军 Integrated top beam combination filling suspension transport hydraulic bracket
CN103557021B (en) * 2013-11-15 2016-04-20 中煤北京煤矿机械有限责任公司 Support is anti-pulls out rear pillar stopping means

Also Published As

Publication number Publication date
GB1415244A (en) 1975-11-26
FR2176720A1 (en) 1973-11-02
FR2176720B1 (en) 1975-10-31
DE2213793A1 (en) 1973-09-27

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