FR1043371A - Device for the regular installation of mobile metal props in mines - Google Patents

Device for the regular installation of mobile metal props in mines

Info

Publication number
FR1043371A
FR1043371A FR1043371DA FR1043371A FR 1043371 A FR1043371 A FR 1043371A FR 1043371D A FR1043371D A FR 1043371DA FR 1043371 A FR1043371 A FR 1043371A
Authority
FR
France
Prior art keywords
mines
mobile metal
regular installation
metal props
props
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)
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 FR1043371A publication Critical patent/FR1043371A/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
    • E21D15/14—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)
FR1043371D 1951-09-29 1951-09-29 Device for the regular installation of mobile metal props in mines Expired FR1043371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1043371T 1951-09-29

Publications (1)

Publication Number Publication Date
FR1043371A true FR1043371A (en) 1953-11-09

Family

ID=9590502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1043371D Expired FR1043371A (en) 1951-09-29 1951-09-29 Device for the regular installation of mobile metal props in mines

Country Status (1)

Country Link
FR (1) FR1043371A (en)

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