3848665

Information

• Patent Grant
• 3848665

• References
• Source

• Patent Number

  3,848,665

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1974
  50 years ago

• CPC

  • F23L13/06 - slidable only
  • C21B9/12 - Hot-blast valves or slides for blast furnaces
  • F16K49/007 - located within the obturating element
  • F23M7/04 - Cooling doors or door frames
  • F28D7/04 - the conduits being spirally coiled
  • F28D9/04 - the conduits being formed by spirally-wound plates or laminae
  • F28F3/12 - Elements constructed in the shape of a hollow panel
  • Y10T137/6579 - Circulating fluid in heat exchange relationship

• US Classifications

  • 165 - Heat exchange
  • 137 - Fluid handling