BE643805A - - Google Patents

Info

Publication number
BE643805A
BE643805A BE643805DA BE643805A BE 643805 A BE643805 A BE 643805A BE 643805D A BE643805D A BE 643805DA BE 643805 A BE643805 A BE 643805A
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
Priority claimed from DEV23658A external-priority patent/DE1160391B/de
Priority claimed from DEV23997A external-priority patent/DE1195254B/de
Application filed filed Critical
Publication of BE643805A publication Critical patent/BE643805A/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
    • E21D23/006—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
    • E21D23/0073—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 with advancing shifting devices connected therewith

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)
BE643805D 1963-02-16 1964-02-14 BE643805A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEV23658A DE1160391B (de) 1963-02-16 1963-02-16 Schreitendes hydraulisches Grubenausbaugestell
DEV23997A DE1195254B (de) 1963-04-27 1963-04-27 Schreitendes hydraulisches Ausbaugestell

Publications (1)

Publication Number Publication Date
BE643805A true BE643805A (ja) 1964-08-14

Family

ID=26001643

Family Applications (1)

Application Number Title Priority Date Filing Date
BE643805D BE643805A (ja) 1963-02-16 1964-02-14

Country Status (2)

Country Link
BE (1) BE643805A (ja)
GB (1) GB1049471A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8318615U1 (de) * 1983-06-28 1983-11-03 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Richtzylinder fuer den schildausbau

Also Published As

Publication number Publication date
GB1049471A (en) 1966-11-30

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