FR543358A - Improvements to mining machines - Google Patents

Improvements to mining machines

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
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.)
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/en
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 Improvements to mining machines Expired FR543358A (en)

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 (en) 1922-09-01

Family

ID=21990350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR543358D Expired FR543358A (en) 1916-11-10 1921-08-30 Improvements to mining machines

Country Status (1)

Country Link
FR (1) FR543358A (en)

Similar Documents

Publication Publication Date Title
FR543358A (en) Improvements to mining machines
FR446068A (en) Improvements to milling machines
FR21192E (en) Improvements to flying machines
FR486301A (en) Improvements made to grinding machines
FR477626A (en) Improvements to shoemaking machines
FR481376A (en) Improvements to overtalon
FR493411A (en) Improvements to hydroaeroplanes
FR471508A (en) Improvements to planer-jointer machines
FR488497A (en) Improvements to dynamo-electric machines
FR492381A (en) Improvements to flying machines
FR503122A (en) Improvements to machine guns
FR486152A (en) Improvements to dynamo-electric machines
FR484288A (en) Improvements to dynamo-electric machines
FR484884A (en) Improvements to dynamo-electric machines
FR495187A (en) Improvements to magneto-electric machines
FR495188A (en) Improvements to magneto-electric machines
FR468001A (en) Improvements to aeronautical machines
FR508781A (en) Improvements to cinematographs
FR482959A (en) Improvements to cinematographs
FR473458A (en) Improvements to hydraulic machines
FR483589A (en) Improvements to economic constructions
FR481298A (en) Improvements made to bagpipes-feeders
FR487262A (en) Improvements to adding machines
FR482326A (en) Improvements to weighing machines
FR458802A (en) Improvements to flying machines