BE755692Q - PROCEDURE FOR MAINTAINING MINING SLOPING SITES IN THE DRESSANTS AND INSTALLATION FOR THE IMPLEMENTATION OF THIS PROCEDURE - Google Patents

PROCEDURE FOR MAINTAINING MINING SLOPING SITES IN THE DRESSANTS AND INSTALLATION FOR THE IMPLEMENTATION OF THIS PROCEDURE

Info

Publication number
BE755692Q
BE755692Q BE755692DA BE755692Q BE 755692 Q BE755692 Q BE 755692Q BE 755692D A BE755692D A BE 755692DA BE 755692 Q BE755692 Q BE 755692Q
Authority
BE
Belgium
Prior art keywords
procedure
dressants
implementation
installation
maintaining
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Kopalnia Wegla Kamiennego Gliw
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.)
Publication date
Application granted granted Critical
Publication of BE755692Q publication Critical patent/BE755692Q/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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • 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
    • E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams

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)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
BE755692D 1967-10-13 PROCEDURE FOR MAINTAINING MINING SLOPING SITES IN THE DRESSANTS AND INSTALLATION FOR THE IMPLEMENTATION OF THIS PROCEDURE BE755692Q (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL6134467 1967-10-13

Publications (1)

Publication Number Publication Date
BE755692Q true BE755692Q (en) 1971-02-15

Family

ID=19936491

Family Applications (1)

Application Number Title Priority Date Filing Date
BE755692D BE755692Q (en) 1967-10-13 PROCEDURE FOR MAINTAINING MINING SLOPING SITES IN THE DRESSANTS AND INSTALLATION FOR THE IMPLEMENTATION OF THIS PROCEDURE

Country Status (1)

Country Link
BE (1) BE755692Q (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538852A1 (en) * 1983-01-05 1984-07-06 Gewerk Eisenhuette Westfalia Device for working steep veins, particularly veins of coal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538852A1 (en) * 1983-01-05 1984-07-06 Gewerk Eisenhuette Westfalia Device for working steep veins, particularly veins of coal

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