NO117896B - - Google Patents

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Publication number
NO117896B
NO117896B NO161896A NO16189666A NO117896B NO 117896 B NO117896 B NO 117896B NO 161896 A NO161896 A NO 161896A NO 16189666 A NO16189666 A NO 16189666A NO 117896 B NO117896 B NO 117896B
Authority
NO
Norway
Prior art keywords
arms
boom
shaft
cutter
rotating
Prior art date
Application number
NO161896A
Other languages
English (en)
Norwegian (no)
Inventor
E Arentzen
Original Assignee
Lee Norse Co
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
Priority claimed from US437824A external-priority patent/US3310347A/en
Priority claimed from US437825A external-priority patent/US3309145A/en
Application filed by Lee Norse Co filed Critical Lee Norse Co
Publication of NO117896B publication Critical patent/NO117896B/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C27/00Machines which completely free the mineral from the seam
    • E21C27/20Mineral freed by means not involving slitting
    • E21C27/24Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face

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)
NO161896A 1965-03-08 1966-03-01 NO117896B (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US437824A US3310347A (en) 1965-03-08 1965-03-08 Mining machine having independent means to rotate and oscillate cutters
US437825A US3309145A (en) 1965-03-08 1965-03-08 Mining machine having independent means to rotate and oscillate cutters

Publications (1)

Publication Number Publication Date
NO117896B true NO117896B (OSRAM) 1969-10-06

Family

ID=27031437

Family Applications (1)

Application Number Title Priority Date Filing Date
NO161896A NO117896B (OSRAM) 1965-03-08 1966-03-01

Country Status (2)

Country Link
NO (1) NO117896B (OSRAM)
SE (1) SE300597B (OSRAM)

Also Published As

Publication number Publication date
SE300597B (OSRAM) 1968-05-06

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