ZA775356B - A protective barrier mounted on mine roof supporting units - Google Patents

A protective barrier mounted on mine roof supporting units

Info

Publication number
ZA775356B
ZA775356B ZA00775356A ZA775356A ZA775356B ZA 775356 B ZA775356 B ZA 775356B ZA 00775356 A ZA00775356 A ZA 00775356A ZA 775356 A ZA775356 A ZA 775356A ZA 775356 B ZA775356 B ZA 775356B
Authority
ZA
South Africa
Prior art keywords
protective barrier
mine roof
supporting units
roof supporting
barrier mounted
Prior art date
Application number
ZA00775356A
Other languages
English (en)
Inventor
A Maykemper
H Buell
G Kuschke
Original Assignee
Hemscheidt Maschf Hermann
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 Hemscheidt Maschf Hermann filed Critical Hemscheidt Maschf Hermann
Publication of ZA775356B publication Critical patent/ZA775356B/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
    • E21D23/0004—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
    • E21D23/0008—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 comprising a pair of joined struts
    • 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)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Earth Drilling (AREA)
ZA00775356A 1976-09-16 1977-09-06 A protective barrier mounted on mine roof supporting units ZA775356B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762641598 DE2641598B1 (de) 1976-09-16 1976-09-16 Schutzwand fuer hydraulische ausbaugestelle

Publications (1)

Publication Number Publication Date
ZA775356B true ZA775356B (en) 1978-07-26

Family

ID=5988022

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00775356A ZA775356B (en) 1976-09-16 1977-09-06 A protective barrier mounted on mine roof supporting units

Country Status (3)

Country Link
DE (1) DE2641598B1 (enExample)
GB (1) GB1547065A (enExample)
ZA (1) ZA775356B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144474A (en) * 1983-08-06 1985-03-06 Dowty Mining Equipment Ltd Roof supports with platform suitable for use in mines
CN116950699B (zh) * 2023-09-18 2024-02-13 中国安全生产科学研究院 一种采矿巷道内安全支护结构

Also Published As

Publication number Publication date
DE2641598B1 (de) 1978-01-19
DE2641598C2 (enExample) 1978-09-14
GB1547065A (en) 1979-06-06

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