BE821250A - Support de toit de galerie de mine - Google Patents

Support de toit de galerie de mine

Info

Publication number
BE821250A
BE821250A BE149686A BE149686A BE821250A BE 821250 A BE821250 A BE 821250A BE 149686 A BE149686 A BE 149686A BE 149686 A BE149686 A BE 149686A BE 821250 A BE821250 A BE 821250A
Authority
BE
Belgium
Prior art keywords
roof support
mine gallery
gallery roof
mine
support
Prior art date
Application number
BE149686A
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 BE821250A publication Critical patent/BE821250A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • 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

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)
  • Framework For Endless Conveyors (AREA)
BE149686A 1973-10-18 1974-10-18 Support de toit de galerie de mine BE821250A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48620/73A GB1487553A (en) 1973-10-18 1973-10-18 Mine roof support

Publications (1)

Publication Number Publication Date
BE821250A true BE821250A (fr) 1975-02-17

Family

ID=10449289

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149686A BE821250A (fr) 1973-10-18 1974-10-18 Support de toit de galerie de mine

Country Status (3)

Country Link
BE (1) BE821250A (fr)
GB (1) GB1487553A (fr)
ZA (1) ZA746078B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU194596B (en) * 1985-08-22 1988-02-29 Oroszlanyi Szenbanyak Supporting unit at underground widework for mechanized supporting equipment
CN102852541B (zh) * 2012-09-21 2015-05-06 卡特彼勒（郑州）有限公司 支架用抬底装置

Also Published As

Publication number Publication date
GB1487553A (en) 1977-10-05
ZA746078B (en) 1975-11-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DOWTY MINING EQUIPMENT LTD

Effective date: 19881031