FR543358A - Perfectionnements aux machines minières - Google Patents

Perfectionnements aux machines minières

Info

Publication number
FR543358A
FR543358A FR543358DA FR543358A FR 543358 A FR543358 A FR 543358A FR 543358D A FR543358D A FR 543358DA FR 543358 A FR543358 A FR 543358A
Authority
FR
France
Prior art keywords
mining machines
mining
machines
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.)
Sullivan Machinery Co
Original Assignee
Sullivan Machinery 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 Sullivan Machinery Co filed Critical Sullivan Machinery Co
Application granted granted Critical
Publication of FR543358A publication Critical patent/FR543358A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
    • E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
    • E21C29/10—Cable or chain co-operating with a winch or the like on the machine

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)
FR543358D 1916-11-10 1921-08-30 Perfectionnements aux machines minières Expired FR543358A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US543358XA 1916-11-10 1916-11-10

Publications (1)

Publication Number Publication Date
FR543358A true FR543358A (fr) 1922-09-01

Family

ID=21990350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR543358D Expired FR543358A (fr) 1916-11-10 1921-08-30 Perfectionnements aux machines minières

Country Status (1)

Country Link
FR (1) FR543358A (fr)

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