LU27739A1 - - Google Patents

Info

Publication number
LU27739A1
LU27739A1 LU27739DA LU27739A1 LU 27739 A1 LU27739 A1 LU 27739A1 LU 27739D A LU27739D A LU 27739DA LU 27739 A1 LU27739 A1 LU 27739A1
Authority
LU
Luxembourg
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.)
Filing date
Publication date
Application filed filed Critical
Publication of LU27739A1 publication Critical patent/LU27739A1/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
LU27739D 1945-08-24 1945-08-24 LU27739A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU27739 1945-08-24

Publications (1)

Publication Number Publication Date
LU27739A1 true LU27739A1 (enrdf_load_stackoverflow) 1945-10-24

Family

ID=19722202

Family Applications (1)

Application Number Title Priority Date Filing Date
LU27739D LU27739A1 (enrdf_load_stackoverflow) 1945-08-24 1945-08-24

Country Status (1)

Country Link
LU (1) LU27739A1 (enrdf_load_stackoverflow)

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