ZA711362B - Improvements in mining machinery - Google Patents

Improvements in mining machinery

Info

Publication number
ZA711362B
ZA711362B ZA711362A ZA711362A ZA711362B ZA 711362 B ZA711362 B ZA 711362B ZA 711362 A ZA711362 A ZA 711362A ZA 711362 A ZA711362 A ZA 711362A ZA 711362 B ZA711362 B ZA 711362B
Authority
ZA
South Africa
Prior art keywords
mining machinery
mining
machinery
Prior art date
Application number
ZA711362A
Inventor
R Taylor
Original Assignee
Anglo Transvaal Cons Invest
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 Anglo Transvaal Cons Invest filed Critical Anglo Transvaal Cons Invest
Priority to ZA711362A priority Critical patent/ZA711362B/en
Priority to US00230337A priority patent/US3820846A/en
Priority to GB936972A priority patent/GB1358256A/en
Priority to DE19722210089 priority patent/DE2210089A1/en
Publication of ZA711362B publication Critical patent/ZA711362B/en

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
    • E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools

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)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Jigging Conveyors (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA711362A 1971-03-03 1971-03-03 Improvements in mining machinery ZA711362B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ZA711362A ZA711362B (en) 1971-03-03 1971-03-03 Improvements in mining machinery
US00230337A US3820846A (en) 1971-03-03 1972-02-29 Stope mining machinery having free swinging hammers
GB936972A GB1358256A (en) 1971-03-03 1972-02-29 Mining machinery
DE19722210089 DE2210089A1 (en) 1971-03-03 1972-03-02 Mining machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA711362A ZA711362B (en) 1971-03-03 1971-03-03 Improvements in mining machinery

Publications (1)

Publication Number Publication Date
ZA711362B true ZA711362B (en) 1972-04-26

Family

ID=25563113

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA711362A ZA711362B (en) 1971-03-03 1971-03-03 Improvements in mining machinery

Country Status (4)

Country Link
US (1) US3820846A (en)
DE (1) DE2210089A1 (en)
GB (1) GB1358256A (en)
ZA (1) ZA711362B (en)

Also Published As

Publication number Publication date
GB1358256A (en) 1974-07-03
DE2210089A1 (en) 1972-10-26
US3820846A (en) 1974-06-28

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