FR652578A - Improvements to shearers and similar machines - Google Patents

Improvements to shearers and similar machines

Info

Publication number
FR652578A
FR652578A FR652578DA FR652578A FR 652578 A FR652578 A FR 652578A FR 652578D A FR652578D A FR 652578DA FR 652578 A FR652578 A FR 652578A
Authority
FR
France
Prior art keywords
shearers
similar machines
machines
similar
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.)
HAVEUSES AJAX
Original Assignee
HAVEUSES AJAX
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 HAVEUSES AJAX filed Critical HAVEUSES AJAX
Application granted granted Critical
Publication of FR652578A publication Critical patent/FR652578A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/10—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for slewing parts of the machines

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)
FR652578D 1927-06-09 1928-04-11 Improvements to shearers and similar machines Expired FR652578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE652578X 1927-06-09

Publications (1)

Publication Number Publication Date
FR652578A true FR652578A (en) 1929-03-11

Family

ID=3876811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR652578D Expired FR652578A (en) 1927-06-09 1928-04-11 Improvements to shearers and similar machines

Country Status (1)

Country Link
FR (1) FR652578A (en)

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