NL264085A - - Google Patents

Info

Publication number
NL264085A
NL264085A NL264085DA NL264085A NL 264085 A NL264085 A NL 264085A NL 264085D A NL264085D A NL 264085DA NL 264085 A NL264085 A NL 264085A
Authority
NL
Netherlands
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 NL264085A publication Critical patent/NL264085A/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)
  • Pivots And Pivotal Connections (AREA)
  • Piles And Underground Anchors (AREA)
NL264085D 1960-07-07 NL264085A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET18638A DE1118720B (de) 1960-07-07 1960-07-07 Wendbare Gelenkkappe fuer den Strebausbau in Grubenbetrieben

Publications (1)

Publication Number Publication Date
NL264085A true NL264085A (enrdf_load_html_response)

Family

ID=7549017

Family Applications (1)

Application Number Title Priority Date Filing Date
NL264085D NL264085A (enrdf_load_html_response) 1960-07-07

Country Status (4)

Country Link
BE (1) BE603189A (enrdf_load_html_response)
DE (1) DE1118720B (enrdf_load_html_response)
GB (1) GB979801A (enrdf_load_html_response)
NL (1) NL264085A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633553A (enrdf_load_html_response) 1962-06-15

Also Published As

Publication number Publication date
GB979801A (en) 1965-01-06
BE603189A (fr) 1961-08-16
DE1118720B (de) 1961-12-07

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