Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21C—MINING OR QUARRYING
  • E21C27/00—Machines which completely free the mineral from the seam
  • E21C27/20—Mineral freed by means not involving slitting
  • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
  • E21C27/34—Machine propelled along the working face by cable or chain

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=10208070

Family Applications (1)

Country Status (1)

• 1966
  • 1966-06-07 NL NL6607888A patent/NL6607888A/xx unknown

Similar Documents