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.)
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Lee Norse Co
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Lee Norse Co
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Publication date
Application filed by Lee Norse CofiledCriticalLee Norse Co
Application grantedgrantedCritical
Publication of FR1043577ApublicationCriticalpatent/FR1043577A/fr
E21C27/00—Machines which completely free the mineral from the seam
E21C27/20—Mineral freed by means not involving slitting
E21C27/24—Mineral 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
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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)
FR1043577D1950-05-031951-05-02Machine continue pour l'exploitation des mines
ExpiredFR1043577A
(fr)