FR53308E - Telescopic iron pole for mines - Google Patents

Telescopic iron pole for mines

Info

Publication number
FR53308E
FR53308E FR53308DA FR53308E FR 53308 E FR53308 E FR 53308E FR 53308D A FR53308D A FR 53308DA FR 53308 E FR53308 E FR 53308E
Authority
FR
France
Prior art keywords
mines
iron pole
telescopic iron
telescopic
pole
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Arnold Koepe
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
Application granted granted Critical
Publication of FR53308E publication Critical patent/FR53308E/en
Expired legal-status Critical Current

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
    • E21D15/50—Component parts or details of props
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section

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)
FR53308D 1944-01-19 1944-01-19 Telescopic iron pole for mines Expired FR53308E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR53308T 1944-01-19

Publications (1)

Publication Number Publication Date
FR53308E true FR53308E (en) 1945-10-16

Family

ID=8687885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR53308D Expired FR53308E (en) 1944-01-19 1944-01-19 Telescopic iron pole for mines

Country Status (1)

Country Link
FR (1) FR53308E (en)

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