FR899629A - étai de mine en fer, de forme annulaire ou en arc - Google Patents

étai de mine en fer, de forme annulaire ou en arc

Info

Publication number
FR899629A
FR899629A FR899629DA FR899629A FR 899629 A FR899629 A FR 899629A FR 899629D A FR899629D A FR 899629DA FR 899629 A FR899629 A FR 899629A
Authority
FR
France
Prior art keywords
arched
ring
iron mine
mine prop
prop
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
Karl Gerlach
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 FR899629A publication Critical patent/FR899629A/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
    • E21D15/50—Component parts or details of props
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
    • 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
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/20—Special cross- sections, e.g. corrugated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
FR899629D 1943-08-09 1943-08-09 étai de mine en fer, de forme annulaire ou en arc Expired FR899629A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899629T 1943-08-09

Publications (1)

Publication Number Publication Date
FR899629A true FR899629A (fr) 1945-06-06

Family

ID=9392356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899629D Expired FR899629A (fr) 1943-08-09 1943-08-09 étai de mine en fer, de forme annulaire ou en arc

Country Status (1)

Country Link
FR (1) FR899629A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209083B (de) * 1956-04-10 1966-01-20 Bochumer Ges Fuer Grubenausbau Nachgiebiger, aus Segmenten zusammen-gesetzter Bogen- oder Ringausbau fuer den untertaegigen Grubenbetrieb
FR2331746A1 (fr) * 1975-11-11 1977-06-10 Hoesch Werke Ag Acier profile en u a branches evasees pour soutenements miniers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209083B (de) * 1956-04-10 1966-01-20 Bochumer Ges Fuer Grubenausbau Nachgiebiger, aus Segmenten zusammen-gesetzter Bogen- oder Ringausbau fuer den untertaegigen Grubenbetrieb
FR2331746A1 (fr) * 1975-11-11 1977-06-10 Hoesch Werke Ag Acier profile en u a branches evasees pour soutenements miniers

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