FR1417913A - Haveuse continues - Google Patents

Haveuse continues

Info

Publication number
FR1417913A
FR1417913A FR999455A FR999455A FR1417913A FR 1417913 A FR1417913 A FR 1417913A FR 999455 A FR999455 A FR 999455A FR 999455 A FR999455 A FR 999455A FR 1417913 A FR1417913 A FR 1417913A
Authority
FR
France
Prior art keywords
haveuse
continues
haveuse continues
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
FR999455A
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.)
National Mine Service Co
Original Assignee
National Mine Service 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 National Mine Service Co filed Critical National Mine Service Co
Priority to FR999455A priority Critical patent/FR1417913A/en
Application granted granted Critical
Publication of FR1417913A publication Critical patent/FR1417913A/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
    • E21C27/22—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)
FR999455A 1964-12-21 1964-12-21 Haveuse continues Expired FR1417913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR999455A FR1417913A (en) 1964-12-21 1964-12-21 Haveuse continues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR999455A FR1417913A (en) 1964-12-21 1964-12-21 Haveuse continues

Publications (1)

Publication Number Publication Date
FR1417913A true FR1417913A (en) 1965-11-12

Family

ID=8845274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR999455A Expired FR1417913A (en) 1964-12-21 1964-12-21 Haveuse continues

Country Status (1)

Country Link
FR (1) FR1417913A (en)

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