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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=3877387

Family Applications (1)

Country Status (2)

• 0
  • BE BE348858D patent/BE348858A/xx unknown
• 1929
  • 1929-02-01 FR FR668849D patent/FR668849A/fr not_active Expired

Also Published As

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