BE483297A - - Google Patents

Info

Publication number
BE483297A
BE483297A BE483297DA BE483297A BE 483297 A BE483297 A BE 483297A BE 483297D A BE483297D A BE 483297DA BE 483297 A BE483297 A BE 483297A
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.)
Publication of BE483297A publication Critical patent/BE483297A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
BE483297D 1944-02-05 BE483297A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG1522D DE1017570B (de) 1944-02-05 1944-02-05 Staehlerner Grubenausbau mittels Stempeln und Schaleisen

Publications (1)

Publication Number Publication Date
BE483297A true BE483297A (it)

Family

ID=7116314

Family Applications (1)

Application Number Title Priority Date Filing Date
BE483297D BE483297A (it) 1944-02-05

Country Status (2)

Country Link
BE (1) BE483297A (it)
DE (1) DE1017570B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975687C (de) * 1949-03-10 1962-05-10 Gerlach Karl Ausbaukappe fuer den Grubenausbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975687C (de) * 1949-03-10 1962-05-10 Gerlach Karl Ausbaukappe fuer den Grubenausbau

Also Published As

Publication number Publication date
DE1017570B (de) 1957-10-17

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