3847539

Information

• Patent Grant
• 3847539

• References
• Source

• Patent Number

  3,847,539

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • F16J15/40 - by means of fluid
  • F27B9/042 - Vacuum furnaces
  • F27B9/16 - the charge moving in a circular or arcuate path
  • F27B9/2461 - the charge being suspended from the conveyor
  • F27D11/00 - Arrangement of elements for electric heating in or on furnaces
  • F27B5/04 - adapted for treating the charge in vacuum or special atmosphere
  • F27D3/00 - Charging Discharging Manipulation of charge
  • F27D99/0073 - Seals

• US Classifications

  • 432 - Heating
  • 266 - Metallurgical apparatus
  • 373 - Industrial electric heating furnaces