FR1007048A - Poteau de mine en fer - Google Patents

Poteau de mine en fer

Info

Publication number
FR1007048A
FR1007048A FR1007048DA FR1007048A FR 1007048 A FR1007048 A FR 1007048A FR 1007048D A FR1007048D A FR 1007048DA FR 1007048 A FR1007048 A FR 1007048A
Authority
FR
France
Prior art keywords
pole
iron mine
mine
iron
mine 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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EISENWERK WANHEIM GmbH
Original Assignee
EISENWERK WANHEIM GmbH
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 by EISENWERK WANHEIM GmbH filed Critical EISENWERK WANHEIM GmbH
Application granted granted Critical
Publication of FR1007048A publication Critical patent/FR1007048A/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
    • E21D15/54—Details of the ends of props
    • 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
    • E21D15/38—Telescopic props with parts held relatively to each other by friction or gripping with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations

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)
FR1007048D 1948-02-18 1948-02-18 Poteau de mine en fer Expired FR1007048A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1007048T 1948-02-18

Publications (1)

Publication Number Publication Date
FR1007048A true FR1007048A (fr) 1952-04-30

Family

ID=9566266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1007048D Expired FR1007048A (fr) 1948-02-18 1948-02-18 Poteau de mine en fer

Country Status (1)

Country Link
FR (1) FR1007048A (fr)

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