AU3555471A - - Google Patents

Info

Publication number
AU3555471A
AU3555471A AU35554/71A AU3555471A AU3555471A AU 3555471 A AU3555471 A AU 3555471A AU 35554/71 A AU35554/71 A AU 35554/71A AU 3555471 A AU3555471 A AU 3555471A AU 3555471 A AU3555471 A AU 3555471A
Authority
AU
Australia
Prior art keywords
boom
angle
drums
working
drum
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
AU35554/71A
Other languages
English (en)
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
Priority to AU35554/71A priority Critical patent/AU3555471A/en
Publication of AU3555471A publication Critical patent/AU3555471A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
    • E21D9/102—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis
    • E21D9/1026—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis the tool-carrier being rotated about a transverse axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Jib Cranes (AREA)
AU35554/71A 1971-11-10 1971-11-10 Expired AU3555471A (cg-RX-API-DMAC7.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU35554/71A AU3555471A (cg-RX-API-DMAC7.html) 1971-11-10 1971-11-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU35554/71A AU3555471A (cg-RX-API-DMAC7.html) 1971-11-10 1971-11-10

Publications (1)

Publication Number Publication Date
AU3555471A true AU3555471A (cg-RX-API-DMAC7.html) 1973-05-17

Family

ID=3722841

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35554/71A Expired AU3555471A (cg-RX-API-DMAC7.html) 1971-11-10 1971-11-10

Country Status (1)

Country Link
AU (1) AU3555471A (cg-RX-API-DMAC7.html)

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