FR1158207A - Mining machine with vertically separable knife holder - Google Patents

Mining machine with vertically separable knife holder

Info

Publication number
FR1158207A
FR1158207A FR1158207DA FR1158207A FR 1158207 A FR1158207 A FR 1158207A FR 1158207D A FR1158207D A FR 1158207DA FR 1158207 A FR1158207 A FR 1158207A
Authority
FR
France
Prior art keywords
mining machine
knife holder
vertically separable
separable knife
holder
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)
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.)
COLMOL Co
Original Assignee
COLMOL 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 COLMOL Co filed Critical COLMOL Co
Application granted granted Critical
Publication of FR1158207A publication Critical patent/FR1158207A/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)
FR1158207D 1956-08-30 1956-08-30 Mining machine with vertically separable knife holder Expired FR1158207A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1158207T 1956-08-30

Publications (1)

Publication Number Publication Date
FR1158207A true FR1158207A (en) 1958-06-12

Family

ID=9650954

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158207D Expired FR1158207A (en) 1956-08-30 1956-08-30 Mining machine with vertically separable knife holder

Country Status (1)

Country Link
FR (1) FR1158207A (en)

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