3900117

Information

• Patent Grant
• 3900117

• References
• Source

• Patent Number

  3,900,117

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  50 years ago

• CPC

  • F27D3/0025 - Charging or loading melting furnaces with material in the solid state
  • F27B3/183 - Charging of arc furnaces vertically through the roof
  • F27B9/16 - the charge moving in a circular or arcuate path
  • F27B19/04 - arranged for associated working
  • F27D3/18 - Charging particulate material using a fluid carrier
  • F27B7/00 - Rotary-drum furnaces
  • F27B9/18 - under the action of scrapers or pushers
  • F27B9/2469 - the conveyor being constituted by rollable bodies
  • F27D3/08 - Screw feeders Screw dischargers

• US Classifications

  • 414 - Material or article handling
  • 222 - Dispensing
  • 373 - Industrial electric heating furnaces