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FR1347992A - Walking support system for mine roofs - Google Patents

Walking support system for mine roofs

Info

Publication number
FR1347992A
FR1347992A FR920503A FR920503A FR1347992A FR 1347992 A FR1347992 A FR 1347992A FR 920503 A FR920503 A FR 920503A FR 920503 A FR920503 A FR 920503A FR 1347992 A FR1347992 A FR 1347992A
Authority
FR
France
Prior art keywords
support system
walking support
mine roofs
roofs
mine
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
FR920503A
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.)
University of Surrey
Original Assignee
University of Surrey
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 University of Surrey filed Critical University of Surrey
Priority to FR920503A priority Critical patent/FR1347992A/en
Application granted granted Critical
Publication of FR1347992A publication Critical patent/FR1347992A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR920503A 1963-01-04 1963-01-04 Walking support system for mine roofs Expired FR1347992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR920503A FR1347992A (en) 1963-01-04 1963-01-04 Walking support system for mine roofs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920503A FR1347992A (en) 1963-01-04 1963-01-04 Walking support system for mine roofs

Publications (1)

Publication Number Publication Date
FR1347992A true FR1347992A (en) 1964-01-04

Family

ID=8794098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920503A Expired FR1347992A (en) 1963-01-04 1963-01-04 Walking support system for mine roofs

Country Status (1)

Country Link
FR (1) FR1347992A (en)

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