FR1285370A - Outil pour machine d'abattage - Google Patents

Outil pour machine d'abattage

Info

Publication number
FR1285370A
FR1285370A FR849415A FR849415A FR1285370A FR 1285370 A FR1285370 A FR 1285370A FR 849415 A FR849415 A FR 849415A FR 849415 A FR849415 A FR 849415A FR 1285370 A FR1285370 A FR 1285370A
Authority
FR
France
Prior art keywords
tool
felling machine
felling
machine
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
FR849415A
Other languages
English (en)
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR849415A priority Critical patent/FR1285370A/fr
Application granted granted Critical
Publication of FR1285370A publication Critical patent/FR1285370A/fr
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
    • E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type

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)
FR849415A 1961-01-11 1961-01-11 Outil pour machine d'abattage Expired FR1285370A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR849415A FR1285370A (fr) 1961-01-11 1961-01-11 Outil pour machine d'abattage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR849415A FR1285370A (fr) 1961-01-11 1961-01-11 Outil pour machine d'abattage

Publications (1)

Publication Number Publication Date
FR1285370A true FR1285370A (fr) 1962-02-23

Family

ID=8746531

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849415A Expired FR1285370A (fr) 1961-01-11 1961-01-11 Outil pour machine d'abattage

Country Status (1)

Country Link
FR (1) FR1285370A (fr)

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