FR898890A - Poteau en fer pour mines - Google Patents

Poteau en fer pour mines

Info

Publication number
FR898890A
FR898890A FR898890DA FR898890A FR 898890 A FR898890 A FR 898890A FR 898890D A FR898890D A FR 898890DA FR 898890 A FR898890 A FR 898890A
Authority
FR
France
Prior art keywords
mines
iron pole
pole
iron
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
English (en)
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 FR898890A publication Critical patent/FR898890A/fr
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
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/42—Telescopic props with parts held relatively to each other by friction or gripping with special parts to influence the friction

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)
FR898890D 1942-11-09 1943-10-15 Poteau en fer pour mines Expired FR898890A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE898890X 1942-11-09

Publications (1)

Publication Number Publication Date
FR898890A true FR898890A (fr) 1945-05-09

Family

ID=6849304

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898890D Expired FR898890A (fr) 1942-11-09 1943-10-15 Poteau en fer pour mines

Country Status (1)

Country Link
FR (1) FR898890A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035599B (de) * 1957-08-16 1958-08-07 Karl Gerlach Mehrteiliger Grubenstempel
DE970221C (de) * 1948-10-02 1958-08-28 Alexander Schmidt Dr Ing Grubenstempel
DE1045941B (de) * 1957-10-24 1958-12-11 Karl Gerlach Grubenstempel
DE1068200B (fr) * 1959-11-05
DE977408C (de) * 1951-02-24 1966-05-26 Karl Gerlach Grubenstempel
DE1242172B (de) * 1957-12-16 1967-06-15 Karl Gerlach Stahlgrubenstempel

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068200B (fr) * 1959-11-05
DE970221C (de) * 1948-10-02 1958-08-28 Alexander Schmidt Dr Ing Grubenstempel
DE977408C (de) * 1951-02-24 1966-05-26 Karl Gerlach Grubenstempel
DE1035599B (de) * 1957-08-16 1958-08-07 Karl Gerlach Mehrteiliger Grubenstempel
DE1045941B (de) * 1957-10-24 1958-12-11 Karl Gerlach Grubenstempel
DE1242172B (de) * 1957-12-16 1967-06-15 Karl Gerlach Stahlgrubenstempel

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