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
  • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
  • E21C25/10—Rods; Drums

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)
• Manufacturing And Processing Devices For Dough (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9658009

Family Applications (1)

Country Status (3)

• 0
  • BE BE566834D patent/BE566834A/xx unknown
• 1957
  • 1957-04-19 FR FR1172465D patent/FR1172465A/fr not_active Expired
• 1958
  • 1958-04-15 GB GB11979/58A patent/GB833903A/en not_active Expired

Also Published As

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