ZA781251B - Improvements in or relating to mineral mining machines - Google Patents

Improvements in or relating to mineral mining machines

Info

Publication number
ZA781251B
ZA781251B ZA00781251A ZA781251A ZA781251B ZA 781251 B ZA781251 B ZA 781251B ZA 00781251 A ZA00781251 A ZA 00781251A ZA 781251 A ZA781251 A ZA 781251A ZA 781251 B ZA781251 B ZA 781251B
Authority
ZA
South Africa
Prior art keywords
relating
mining machines
mineral mining
mineral
machines
Prior art date
Application number
ZA00781251A
Inventor
G Boast
Original Assignee
Coal Ind
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 Coal Ind filed Critical Coal Ind
Publication of ZA781251B publication Critical patent/ZA781251B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/10—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for slewing parts of the machines
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • E21C27/04—Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means
    • E21C27/06—Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means with a slewing frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ZA00781251A 1977-03-11 1978-03-03 Improvements in or relating to mineral mining machines ZA781251B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10394/77A GB1569216A (en) 1977-03-11 1977-03-11 Mineral mining machines

Publications (1)

Publication Number Publication Date
ZA781251B true ZA781251B (en) 1979-02-28

Family

ID=9967018

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00781251A ZA781251B (en) 1977-03-11 1978-03-03 Improvements in or relating to mineral mining machines

Country Status (5)

Country Link
AU (1) AU3404778A (en)
DE (1) DE2809429A1 (en)
FR (1) FR2383305A2 (en)
GB (1) GB1569216A (en)
ZA (1) ZA781251B (en)

Also Published As

Publication number Publication date
AU3404778A (en) 1979-09-13
DE2809429A1 (en) 1978-09-14
FR2383305A2 (en) 1978-10-06
GB1569216A (en) 1980-06-11

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