FR1486860A - Machine d'abattage à tarières - Google Patents

Machine d'abattage à tarières

Info

Publication number
FR1486860A
FR1486860A FR69615A FR69615A FR1486860A FR 1486860 A FR1486860 A FR 1486860A FR 69615 A FR69615 A FR 69615A FR 69615 A FR69615 A FR 69615A FR 1486860 A FR1486860 A FR 1486860A
Authority
FR
France
Prior art keywords
auger
felling machine
felling
machine
auger felling
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
FR69615A
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.)
Salem Tool Co
Original Assignee
Salem Tool Co
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 Salem Tool Co filed Critical Salem Tool Co
Priority to FR69615A priority Critical patent/FR1486860A/fr
Application granted granted Critical
Publication of FR1486860A publication Critical patent/FR1486860A/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)
FR69615A 1966-07-15 1966-07-15 Machine d'abattage à tarières Expired FR1486860A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR69615A FR1486860A (fr) 1966-07-15 1966-07-15 Machine d'abattage à tarières

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69615A FR1486860A (fr) 1966-07-15 1966-07-15 Machine d'abattage à tarières

Publications (1)

Publication Number Publication Date
FR1486860A true FR1486860A (fr) 1967-06-30

Family

ID=8613355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69615A Expired FR1486860A (fr) 1966-07-15 1966-07-15 Machine d'abattage à tarières

Country Status (1)

Country Link
FR (1) FR1486860A (fr)

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