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BE501784A - - Google Patents

Info

Publication number
BE501784A
BE501784A BE501784DA BE501784A BE 501784 A BE501784 A BE 501784A BE 501784D A BE501784D A BE 501784DA BE 501784 A BE501784 A BE 501784A
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 BE501784A publication Critical patent/BE501784A/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)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
BE501784D 1949-10-18 BE501784A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV35A DE833936C (de) 1949-10-18 1949-10-18 Stahlkappenverbindung fuer den Strebausbau

Publications (1)

Publication Number Publication Date
BE501784A true BE501784A (xx)

Family

ID=7568884

Family Applications (1)

Application Number Title Priority Date Filing Date
BE501784D BE501784A (xx) 1949-10-18

Country Status (3)

Country Link
BE (1) BE501784A (xx)
DE (1) DE833936C (xx)
NL (1) NL81420C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197417B (de) * 1964-02-26 1965-07-29 Aloys Vanwersch Kappenverbindung fuer den Grubenausbau in Untertagebetrieben

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188024B (de) * 1952-10-06 1965-03-04 Aloys Vanwersch Kappenverbindung fuer den Strebausbau
BE535250A (xx) * 1954-01-29
DE1114764B (de) * 1956-08-25 1961-10-12 Hermann Schwarz K G Schwenkbare Kappenverbindung fuer den Strebausbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1197417B (de) * 1964-02-26 1965-07-29 Aloys Vanwersch Kappenverbindung fuer den Grubenausbau in Untertagebetrieben

Also Published As

Publication number Publication date
NL81420C (xx)
DE833936C (de) 1952-03-13

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