3838734

Information

• Patent Grant
• 3838734

• References
• Source

• Patent Number

  3,838,734

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • D21G1/0266 - using a heat-transfer fluid
  • D06C15/08 - Rollers therefor
  • F16C13/00 - Rolls, drums, discs, or the like Bearings or mountings therefor
  • F28F5/02 - Rotary drums or rollers
  • Y10S165/16 - Concentric shells define annular flow space

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids