FR759782A - Machine d'exploitation de mine - Google Patents

Machine d'exploitation de mine

Info

Publication number
FR759782A
FR759782A FR759782DA FR759782A FR 759782 A FR759782 A FR 759782A FR 759782D A FR759782D A FR 759782DA FR 759782 A FR759782 A FR 759782A
Authority
FR
France
Prior art keywords
operating machine
mine operating
mine
machine
operating
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
English (en)
Inventor
Newton Kibler Bowman
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 filed Critical
Application granted granted Critical
Publication of FR759782A publication Critical patent/FR759782A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides

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)
FR759782D 1933-08-18 1933-08-18 Machine d'exploitation de mine Expired FR759782A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR759782T 1933-08-18

Publications (1)

Publication Number Publication Date
FR759782A true FR759782A (fr) 1934-02-09

Family

ID=9167438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR759782D Expired FR759782A (fr) 1933-08-18 1933-08-18 Machine d'exploitation de mine

Country Status (1)

Country Link
FR (1) FR759782A (fr)

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