3918691

Information

• Patent Grant
• 3918691

• References
• Source

• Patent Number

  3,918,691

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • F27D3/0025 - Charging or loading melting furnaces with material in the solid state
  • C21C5/40 - Offtakes or separating apparatus for converter waste gases or dust
  • F27D17/001 - Extraction of waste gases, collection of fumes and hoods used therefor
  • F27D1/1858 - Doors
  • F27D2001/0086 - the moving part being in rotation
  • F27D2001/0096 - the moving part staying in the same plane

• US Classifications

  • 454 - Ventilation
  • 266 - Metallurgical apparatus
  • 414 - Material or article handling