BE607721Q - Articulated joint for retaining caps for mines. - Google Patents

Articulated joint for retaining caps for mines.

Info

Publication number
BE607721Q
BE607721Q BE607721A BE607721A BE607721Q BE 607721 Q BE607721 Q BE 607721Q BE 607721 A BE607721 A BE 607721A BE 607721 A BE607721 A BE 607721A BE 607721 Q BE607721 Q BE 607721Q
Authority
BE
Belgium
Prior art keywords
mines
articulated joint
retaining caps
caps
retaining
Prior art date
Application number
BE607721A
Other languages
French (fr)
Original Assignee
Gutehoffnungshuette Sterkrade
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 Gutehoffnungshuette Sterkrade filed Critical Gutehoffnungshuette Sterkrade
Application granted granted Critical
Publication of BE607721Q publication Critical patent/BE607721Q/en

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)
  • Furnace Charging Or Discharging (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
BE607721A 1959-01-28 1961-08-31 Articulated joint for retaining caps for mines. BE607721Q (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG26259A DE1084670B (en) 1959-01-28 1959-01-28 Articulated connection of pit support caps

Publications (1)

Publication Number Publication Date
BE607721Q true BE607721Q (en) 1961-12-18

Family

ID=7122870

Family Applications (1)

Application Number Title Priority Date Filing Date
BE607721A BE607721Q (en) 1959-01-28 1961-08-31 Articulated joint for retaining caps for mines.

Country Status (4)

Country Link
BE (1) BE607721Q (en)
DE (1) DE1084670B (en)
FR (1) FR1247061A (en)
GB (1) GB911079A (en)

Also Published As

Publication number Publication date
DE1084670B (en) 1960-07-07
GB911079A (en) 1962-11-21
FR1247061A (en) 1960-11-25

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