HU174131B - Shagajuhhee gidravlicheskoe rudnichnoe kreplenie lavy - Google Patents

Shagajuhhee gidravlicheskoe rudnichnoe kreplenie lavy

Info

Publication number
HU174131B
HU174131B HU75EI654A HUEI000654A HU174131B HU 174131 B HU174131 B HU 174131B HU 75EI654 A HU75EI654 A HU 75EI654A HU EI000654 A HUEI000654 A HU EI000654A HU 174131 B HU174131 B HU 174131B
Authority
HU
Hungary
Prior art keywords
supporting device
type hydraulic
face supporting
stepping type
hydraulic face
Prior art date
Application number
HU75EI654A
Other languages
English (en)
Inventor
Harry Rosenberg
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of HU174131B publication Critical patent/HU174131B/hu

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
    • E21D23/082—Advancing mechanisms forming parts of the roof supports acting solely on the elements of the 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
    • E21D23/0004—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
    • E21D23/0034—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 goaf shield articulated to a base member
    • E21D23/0039—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 goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face

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)
  • Lining And Supports For Tunnels (AREA)
  • Transmission Devices (AREA)
  • Extraction Or Liquid Replacement (AREA)
HU75EI654A 1974-11-12 1975-11-11 Shagajuhhee gidravlicheskoe rudnichnoe kreplenie lavy HU174131B (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742453471 DE2453471C2 (de) 1974-11-12 1974-11-12 Schreitender hydraulischer Strebausbau

Publications (1)

Publication Number Publication Date
HU174131B true HU174131B (hu) 1979-11-28

Family

ID=5930565

Family Applications (1)

Application Number Title Priority Date Filing Date
HU75EI654A HU174131B (hu) 1974-11-12 1975-11-11 Shagajuhhee gidravlicheskoe rudnichnoe kreplenie lavy

Country Status (5)

Country Link
BE (1) BE833756A (hu)
DE (1) DE2453471C2 (hu)
ES (1) ES441499A1 (hu)
HU (1) HU174131B (hu)
PL (1) PL107137B1 (hu)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744992C2 (de) * 1977-10-06 1989-09-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk für einen Schild- oder Bockausbau u.dgl.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766537A (en) * 1953-02-25 1957-01-23 Coal Industry Patents Ltd Improvements in mine roof supports
DE2319910B2 (de) * 1973-04-19 1977-07-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur niveausteuerung eines hobels o.dgl.

Also Published As

Publication number Publication date
PL107137B1 (pl) 1980-01-31
DE2453471A1 (de) 1976-05-13
ES441499A1 (es) 1977-04-01
DE2453471C2 (de) 1983-03-17
BE833756A (fr) 1976-01-16

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