FR652577A - Perfectionnements aux haveuses et machines analogues - Google Patents

Perfectionnements aux haveuses et machines analogues

Info

Publication number
FR652577A
FR652577A FR652577DA FR652577A FR 652577 A FR652577 A FR 652577A FR 652577D A FR652577D A FR 652577DA FR 652577 A FR652577 A FR 652577A
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
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.)
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 FR652577A publication Critical patent/FR652577A/fr
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
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices

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)
FR652577D 1927-05-12 1928-04-11 Perfectionnements aux haveuses et machines analogues Expired FR652577A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE652577X 1927-05-12

Publications (1)

Publication Number Publication Date
FR652577A true FR652577A (fr) 1929-03-11

Family

ID=3876810

Family Applications (1)

Application Number Title Priority Date Filing Date
FR652577D Expired FR652577A (fr) 1927-05-12 1928-04-11 Perfectionnements aux haveuses et machines analogues

Country Status (1)

Country Link
FR (1) FR652577A (fr)

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