2923227

Information

• Patent Grant
• 2923227

• References
• Source

• Patent Number

  2,923,227

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1960
  64 years ago

• CPC

  • B66C17/10 - for transporting ladles
  • B08B15/005 - comprising a stationary main duct with one or more branch units, the branch units being freely movable along a sealed longitudinal slit in the main duct
  • B22D45/005 - Evacuation of fumes, dust or waste gases during manipulations in the foundry
  • F16L41/18 - the branch pipe being movable

• US Classifications

  • 454 - Ventilation
  • 266 - Metallurgical apparatus