AT241392B - Method and device for the moving expansion of mining struts - Google Patents

Method and device for the moving expansion of mining struts

Info

Publication number
AT241392B
AT241392B AT371163A AT371163A AT241392B AT 241392 B AT241392 B AT 241392B AT 371163 A AT371163 A AT 371163A AT 371163 A AT371163 A AT 371163A AT 241392 B AT241392 B AT 241392B
Authority
AT
Austria
Prior art keywords
struts
mining
moving expansion
expansion
moving
Prior art date
Application number
AT371163A
Other languages
German (de)
Original Assignee
Bergbaustahl Gmbh & Co
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 Bergbaustahl Gmbh & Co filed Critical Bergbaustahl Gmbh & Co
Application granted granted Critical
Publication of AT241392B publication Critical patent/AT241392B/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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Harvester Elements (AREA)
  • Lining And Supports For Tunnels (AREA)
AT371163A 1963-02-09 1963-05-07 Method and device for the moving expansion of mining struts AT241392B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB70667A DE1257719B (en) 1963-02-09 1963-02-09 Procedure for the migratory expansion of mining struts

Publications (1)

Publication Number Publication Date
AT241392B true AT241392B (en) 1965-07-26

Family

ID=6976745

Family Applications (1)

Application Number Title Priority Date Filing Date
AT371163A AT241392B (en) 1963-02-09 1963-05-07 Method and device for the moving expansion of mining struts

Country Status (5)

Country Link
US (1) US3313114A (en)
AT (1) AT241392B (en)
BE (1) BE643537A (en)
DE (1) DE1257719B (en)
GB (1) GB1035112A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1070316A (en) * 1952-02-05 1954-07-22 Coal Industry Patents Ltd Roof support for mines
US2694293A (en) * 1953-05-08 1954-11-16 Hydrauliques Pour L Ind Minier Propping device for roofs of mine levels
DE1037990B (en) * 1955-07-04 1958-09-04 Becorit Grubenausbau Gmbh Wandering longwall mining
DE1088904B (en) * 1957-08-10 1960-09-15 Gewerk Eisenhuette Westfalia Hydraulic expansion for mining operations
GB883407A (en) * 1959-06-06 1961-11-29 Rheinstahl Gmbh Wanheim Improvements in mine roof support assemblies
FR1278986A (en) * 1961-01-31 1961-12-15 Hemscheidt Maschf Hermann Hydraulic support for deposit by raising with floating de-watering
FR1287138A (en) * 1961-04-20 1962-03-09 Gutehoffnungshuette Sterkrade Movable support for mine galleries
DE1127299B (en) * 1961-09-06 1962-04-12 Gewerk Eisenhuette Westfalia Stepping hydraulic support frame for mining operations

Also Published As

Publication number Publication date
GB1035112A (en) 1966-07-06
US3313114A (en) 1967-04-11
DE1257719B (en) 1968-01-04
BE643537A (en) 1964-05-29

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