BE643537A - - Google Patents

Info

Publication number
BE643537A
BE643537A BE643537DA BE643537A BE 643537 A BE643537 A BE 643537A BE 643537D A BE643537D A BE 643537DA BE 643537 A BE643537 A BE 643537A
Authority
BE
Belgium
Application number
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 BE643537A publication Critical patent/BE643537A/xx

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)
  • Harvester Elements (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
BE643537D 1963-02-09 1964-02-07 BE643537A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB70667A DE1257719B (de) 1963-02-09 1963-02-09 Verfahren zum wandernden Ausbau von Abbaustreben

Publications (1)

Publication Number Publication Date
BE643537A true BE643537A (zh) 1964-05-29

Family

ID=6976745

Family Applications (1)

Application Number Title Priority Date Filing Date
BE643537D BE643537A (zh) 1963-02-09 1964-02-07

Country Status (5)

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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1070316A (fr) * 1952-02-05 1954-07-22 Coal Industry Patents Ltd Support de toit pour mines
US2694293A (en) * 1953-05-08 1954-11-16 Hydrauliques Pour L Ind Minier Propping device for roofs of mine levels
DE1037990B (de) * 1955-07-04 1958-09-04 Becorit Grubenausbau Gmbh Wandernder Strebausbau
DE1088904B (de) * 1957-08-10 1960-09-15 Gewerk Eisenhuette Westfalia Hydraulischer Ausbau fuer bergmaennische Gewinnungsbetriebe
GB883407A (en) * 1959-06-06 1961-11-29 Rheinstahl Gmbh Wanheim Improvements in mine roof support assemblies
FR1278986A (fr) * 1961-01-31 1961-12-15 Hemscheidt Maschf Hermann Soutènement hydraulique pour gisement en dressant avec déhouillement flottant
FR1287138A (fr) * 1961-04-20 1962-03-09 Gutehoffnungshuette Sterkrade Soutènement déplaçable pour galeries de mines
DE1127299B (de) * 1961-09-06 1962-04-12 Gewerk Eisenhuette Westfalia Schreitendes hydraulisches Ausbaugestell fuer bergmaennische Gewinnungsbetriebe

Also Published As

Publication number Publication date
GB1035112A (en) 1966-07-06
US3313114A (en) 1967-04-11
AT241392B (de) 1965-07-26
DE1257719B (de) 1968-01-04

Similar Documents

Publication Publication Date Title
BE627012A (zh)
BE465565A (zh)
BE603935A (zh)
BE612803A (zh)
BE614220A (zh)
NL6410069A (zh)
BE643181A (zh)
BE582314A (zh)
BE571209A (zh)
BE547422A (zh)
BE533484A (zh)
BE643169A (zh)
BE645490A (zh)
BE645421A (zh)
BE645168A (zh)
BE645062A (zh)
BE645048A (zh)
BE644997A (zh)
BE627023A (zh)
BE644468A (zh)
BE643991A (zh)
BE644047A (zh)
BE626986A (zh)
BE462764A (zh)
BE644186A (zh)