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AU457500B2 - Mining machines - Google Patents
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AU457500B2 - Mining machines - Google Patents

Mining machines

Info

Publication number
AU457500B2
AU457500B2 AU17726/70A AU1772670A AU457500B2 AU 457500 B2 AU457500 B2 AU 457500B2 AU 17726/70 A AU17726/70 A AU 17726/70A AU 1772670 A AU1772670 A AU 1772670A AU 457500 B2 AU457500 B2 AU 457500B2
Authority
AU
Australia
Prior art keywords
mining machines
mining
machines
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
AU17726/70A
Other versions
AU1772670A (en
Inventor
OVEN and GORDON ERNEST BOAST TERENCE
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to AU17726/70A priority Critical patent/AU457500B2/en
Publication of AU1772670A publication Critical patent/AU1772670A/en
Application granted granted Critical
Publication of AU457500B2 publication Critical patent/AU457500B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
AU17726/70A 1970-07-17 1970-07-17 Mining machines Expired AU457500B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU17726/70A AU457500B2 (en) 1970-07-17 1970-07-17 Mining machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU17726/70A AU457500B2 (en) 1970-07-17 1970-07-17 Mining machines

Publications (2)

Publication Number Publication Date
AU1772670A AU1772670A (en) 1972-01-20
AU457500B2 true AU457500B2 (en) 1975-01-14

Family

ID=3707428

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17726/70A Expired AU457500B2 (en) 1970-07-17 1970-07-17 Mining machines

Country Status (1)

Country Link
AU (1) AU457500B2 (en)

Also Published As

Publication number Publication date
AU1772670A (en) 1972-01-20

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