FR1064658A - Improvements to slaughtering machines for mines - Google Patents

Improvements to slaughtering machines for mines

Info

Publication number
FR1064658A
FR1064658A FR1064658DA FR1064658A FR 1064658 A FR1064658 A FR 1064658A FR 1064658D A FR1064658D A FR 1064658DA FR 1064658 A FR1064658 A FR 1064658A
Authority
FR
France
Prior art keywords
mines
slaughtering machines
slaughtering
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)
Inventor
Jean Servanton
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 FR1064658A publication Critical patent/FR1064658A/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
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/26—Mineral freed by means not involving slitting by closely adjacent cutter chains acting on the full 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)
FR1064658D 1951-06-09 1951-06-09 Improvements to slaughtering machines for mines Expired FR1064658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1064658T 1951-06-09

Publications (1)

Publication Number Publication Date
FR1064658A true FR1064658A (en) 1954-05-17

Family

ID=9601858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1064658D Expired FR1064658A (en) 1951-06-09 1951-06-09 Improvements to slaughtering machines for mines

Country Status (1)

Country Link
FR (1) FR1064658A (en)

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