AT278684B - Wandernder Strebausbau für untertägige Grubenbetriebe - Google Patents

Wandernder Strebausbau für untertägige Grubenbetriebe

Info

Publication number
AT278684B
AT278684B AT1061566A AT1061566A AT278684B AT 278684 B AT278684 B AT 278684B AT 1061566 A AT1061566 A AT 1061566A AT 1061566 A AT1061566 A AT 1061566A AT 278684 B AT278684 B AT 278684B
Authority
AT
Austria
Prior art keywords
migrating
underground mining
mining operations
longwall construction
longwall
Prior art date
Application number
AT1061566A
Other languages
English (en)
Original Assignee
Gullick Ltd
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 Gullick Ltd filed Critical Gullick Ltd
Application granted granted Critical
Publication of AT278684B publication Critical patent/AT278684B/de

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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices

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)
  • Chain Conveyers (AREA)
AT1061566A 1965-11-17 1966-11-16 Wandernder Strebausbau für untertägige Grubenbetriebe AT278684B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5005165A GB1105723A (en) 1965-11-17 1965-11-17 Improvements in or relating to mine roof supports

Publications (1)

Publication Number Publication Date
AT278684B true AT278684B (de) 1970-02-10

Family

ID=10454464

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1061566A AT278684B (de) 1965-11-17 1966-11-16 Wandernder Strebausbau für untertägige Grubenbetriebe

Country Status (2)

Country Link
AT (1) AT278684B (de)
GB (1) GB1105723A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8715774D0 (en) * 1987-07-04 1987-08-12 Dowty Mining Equipment Ltd Roof supports

Also Published As

Publication number Publication date
GB1105723A (en) 1968-03-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee