FR946605A - Improvements to mining machines - Google Patents

Improvements to mining machines

Info

Publication number
FR946605A
FR946605A FR946605DA FR946605A FR 946605 A FR946605 A FR 946605A FR 946605D A FR946605D A FR 946605DA FR 946605 A FR946605 A FR 946605A
Authority
FR
France
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
Other languages
French (fr)
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson 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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR946605A publication Critical patent/FR946605A/en
Expired legal-status Critical Current

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

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)
FR946605D 1945-09-19 1947-05-14 Improvements to mining machines Expired FR946605A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB946605X 1945-09-19

Publications (1)

Publication Number Publication Date
FR946605A true FR946605A (en) 1949-06-09

Family

ID=10767220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946605D Expired FR946605A (en) 1945-09-19 1947-05-14 Improvements to mining machines

Country Status (1)

Country Link
FR (1) FR946605A (en)

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