3007690

Information

• Patent Grant
• 3007690

• References
• Source

• Patent Number

  3,007,690

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1961
  63 years ago

• CPC

  • F27B7/02 - of multiple-chamber or multiple-drum type
  • B01F9/0009 - with at least one screw inside the receptacle for feeding or discharging
  • B01F9/001 - the feed and discharge openings being at opposite ends of the receptacle
  • B01F9/06 - with fixed bars
  • B01F15/02 - Feed or discharge mechanisms
  • B01F15/0251 - using helical screws
  • B01F15/0289 - using helical screws
  • F27B7/00 - Rotary-drum furnaces
  • F27B2007/027 - with more than one drum
  • F27B2007/3252 - with lifting scoops attached to the drum

• US Classifications

  • 432 - Heating
  • 034 - Drying and gas or vapor contact with solids
  • 266 - Metallurgical apparatus
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing