BE833756A - Soutenement de taille hydraulique mecanise - Google Patents

Soutenement de taille hydraulique mecanise

Info

Publication number
BE833756A
BE833756A BE160320A BE160320A BE833756A BE 833756 A BE833756 A BE 833756A BE 160320 A BE160320 A BE 160320A BE 160320 A BE160320 A BE 160320A BE 833756 A BE833756 A BE 833756A
Authority
BE
Belgium
Prior art keywords
size support
hydraulic size
mechanized hydraulic
mechanized
support
Prior art date
Application number
BE160320A
Other languages
English (en)
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 BE833756A publication Critical patent/BE833756A/fr

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)
  • Extraction Or Liquid Replacement (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Transmission Devices (AREA)
BE160320A 1974-11-12 1975-09-24 Soutenement de taille hydraulique mecanise BE833756A (fr)

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
BE833756A true BE833756A (fr) 1976-01-16

Family

ID=5930565

Family Applications (1)

Application Number Title Priority Date Filing Date
BE160320A BE833756A (fr) 1974-11-12 1975-09-24 Soutenement de taille hydraulique mecanise

Country Status (5)

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

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 (3)

* 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
GB966034A (en) * 1961-10-02 1964-08-06 Dowty Mining Equipment Ltd Advanceable roof support suitable for use in mines
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
HU174131B (hu) 1979-11-28
DE2453471C2 (de) 1983-03-17
ES441499A1 (es) 1977-04-01
DE2453471A1 (de) 1976-05-13
PL107137B1 (pl) 1980-01-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEWERKSCHAFT EISENHUTTE WESTFALIA

Effective date: 19870930