3143412

Information

• Patent Grant
• 3143412

• References
• Source

• Patent Number

  3,143,412

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1964
  60 years ago

• CPC

  • C21B5/00 - Making pig-iron in the blast furnace
  • C21B9/16 - Cooling or drying the hot-blast
  • F25J3/04478 - for controlling purposes
  • F25J3/04557 - for pig iron or steel making
  • F25J3/04824 - Stopping of the process
  • F25J3/0489 - Modularity and arrangement of parts of the air fractionation unit, in particular of the cold box
  • F25J2215/02 - Mixing or blending of fluids to yield a certain product
  • F25J2215/40 - Air or oxygen enriched air
  • F25J2215/50 - Oxygen or special cases
  • F25J2230/40 - the fluid being air
  • F25J2245/50 - the recycled stream being oxygen

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 266 - Metallurgical apparatus