AU501318B1 - Worker protection at nine faces - Google Patents

Worker protection at nine faces

Info

Publication number
AU501318B1
AU501318B1 AU29790/77A AU2979077A AU501318B1 AU 501318 B1 AU501318 B1 AU 501318B1 AU 29790/77 A AU29790/77 A AU 29790/77A AU 2979077 A AU2979077 A AU 2979077A AU 501318 B1 AU501318 B1 AU 501318B1
Authority
AU
Australia
Prior art keywords
faces
worker protection
worker
protection
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
AU29790/77A
Inventor
S. SHIMADA T. Go ENDO H NAKAJIMA
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.)
Taiheiyo Engineering Corp
Original Assignee
Taiheiyo Engineering Corp
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 Taiheiyo Engineering Corp filed Critical Taiheiyo Engineering Corp
Priority to AU29790/77A priority Critical patent/AU501318B1/en
Application granted granted Critical
Publication of AU501318B1 publication Critical patent/AU501318B1/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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/02—Provisional protective covers for working space for use in longwall working

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)
AU29790/77A 1977-10-17 1977-10-17 Worker protection at nine faces Expired AU501318B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU29790/77A AU501318B1 (en) 1977-10-17 1977-10-17 Worker protection at nine faces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU29790/77A AU501318B1 (en) 1977-10-17 1977-10-17 Worker protection at nine faces

Publications (1)

Publication Number Publication Date
AU501318B1 true AU501318B1 (en) 1979-06-14

Family

ID=3717782

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29790/77A Expired AU501318B1 (en) 1977-10-17 1977-10-17 Worker protection at nine faces

Country Status (1)

Country Link
AU (1) AU501318B1 (en)

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