PL77005B1 - - Google Patents

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Publication number
PL77005B1
PL77005B1 PL15192971A PL15192971A PL77005B1 PL 77005 B1 PL77005 B1 PL 77005B1 PL 15192971 A PL15192971 A PL 15192971A PL 15192971 A PL15192971 A PL 15192971A PL 77005 B1 PL77005 B1 PL 77005B1
Authority
PL
Poland
Prior art keywords
hook
rods
extension
grid according
hooks
Prior art date
Application number
PL15192971A
Other languages
English (en)
Polish (pl)
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
Priority claimed from DE19702059893 external-priority patent/DE2059893C/de
Priority claimed from DE19712118802 external-priority patent/DE2118802C3/de
Application filed filed Critical
Publication of PL77005B1 publication Critical patent/PL77005B1/pl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/152—Laggings made of grids or nettings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Wire Processing (AREA)
  • Tents Or Canopies (AREA)
  • Revetment (AREA)
PL15192971A 1970-12-05 1971-12-04 PL77005B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702059893 DE2059893C (de) 1970-12-05 Verzugmatte fur Grubenausbau
DE19712118802 DE2118802C3 (de) 1971-04-17 1971-04-17 Verzugmatte für den Grubenausbau

Publications (1)

Publication Number Publication Date
PL77005B1 true PL77005B1 (enrdf_load_stackoverflow) 1975-02-28

Family

ID=25760146

Family Applications (1)

Application Number Title Priority Date Filing Date
PL15192971A PL77005B1 (enrdf_load_stackoverflow) 1970-12-05 1971-12-04

Country Status (2)

Country Link
GB (1) GB1365325A (enrdf_load_stackoverflow)
PL (1) PL77005B1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB1365325A (en) 1974-08-29

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