FR655389A - Device for cutting coal - Google Patents

Device for cutting coal

Info

Publication number
FR655389A
FR655389A FR655389DA FR655389A FR 655389 A FR655389 A FR 655389A FR 655389D A FR655389D A FR 655389DA FR 655389 A FR655389 A FR 655389A
Authority
FR
France
Prior art keywords
cutting coal
coal
cutting
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)
Inventor
Francois Ogrisek
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 filed Critical
Application granted granted Critical
Publication of FR655389A publication Critical patent/FR655389A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/54—Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like

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)
FR655389D 1928-06-04 1928-06-04 Device for cutting coal Expired FR655389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR655389T 1928-06-04

Publications (1)

Publication Number Publication Date
FR655389A true FR655389A (en) 1929-04-18

Family

ID=9007095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR655389D Expired FR655389A (en) 1928-06-04 1928-06-04 Device for cutting coal

Country Status (1)

Country Link
FR (1) FR655389A (en)

Similar Documents

Publication Publication Date Title
FR677586A (en) Device for spreading cut tobacco
FR681154A (en) Repeater device for phonographs
FR655389A (en) Device for cutting coal
FR640150A (en) Protective device for shoes
FR720283A (en) Device for stacking cigarettes
FR634723A (en) Awning tension device
FR626908A (en) Anti-kickback device for skis
FR685438A (en) Device for marking poultry
FR688006A (en) Device for containers
FR719854A (en) Oiler device for winders
FR693353A (en) Conveyor device
FR669358A (en) Forage transport device
FR35233E (en) Protective device for shoes
FR668716A (en) Antifriction device for ties
FR682258A (en) Device for pianinos
FR646997A (en) Device for refloating wrecks
FR688385A (en) Device for flexible rails
FR676443A (en) Protective device for menstruation
FR644881A (en) Super-reaction receiver device for radiotelephony
FR716808A (en) Advanced device for checking change
FR676954A (en) Tensioning device for centrifuges
FR659591A (en) Dedusting device for threshers
FR667443A (en) Device for impact tools
FR665467A (en) Protection device for binders
FR657989A (en) Regulator device for machines