BE516589A - - Google Patents

Info

Publication number
BE516589A
BE516589A BE516589DA BE516589A BE 516589 A BE516589 A BE 516589A BE 516589D A BE516589D A BE 516589DA BE 516589 A BE516589 A BE 516589A
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 BE516589A publication Critical patent/BE516589A/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)
  • Moulds, Cores, Or Mandrels (AREA)
  • Working Measures On Existing Buildindgs (AREA)
BE516589D 1951-12-29 BE516589A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1951R0007973 DE919344C (de) 1951-12-29 1951-12-29 Gelenkverbindung mit zwei Gelenkstellen von Kappen zum Strebausbau, insbesondere fuer die stempelfreie Abbaufront

Publications (1)

Publication Number Publication Date
BE516589A true BE516589A (enrdf_load_stackoverflow)

Family

ID=7397773

Family Applications (1)

Application Number Title Priority Date Filing Date
BE516589D BE516589A (enrdf_load_stackoverflow) 1951-12-29

Country Status (5)

Country Link
BE (1) BE516589A (enrdf_load_stackoverflow)
DE (1) DE919344C (enrdf_load_stackoverflow)
FR (1) FR1069747A (enrdf_load_stackoverflow)
GB (1) GB729171A (enrdf_load_stackoverflow)
NL (2) NL86462C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1186819B (de) * 1955-02-04 1965-02-11 Aloys Vanwersch Gelenkverbindung von Kappen fuer den Strebausbau in Untertagebetrieben
DE1250935B (enrdf_load_stackoverflow) * 1960-12-20

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE819233C (de) * 1948-10-02 1951-10-31 Gelsenkirchener Bergwerks Akti Gelenkverbindung, insbesondere fuer die Verbindungzweier Stahlkappen im Grubenbetrieb

Also Published As

Publication number Publication date
GB729171A (en) 1955-05-04
FR1069747A (fr) 1954-07-12
NL86462C (enrdf_load_stackoverflow)
NL174889B (nl)
DE919344C (de) 1954-10-21

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