3846231

Information

• Patent Grant
• 3846231

• References
• Source

• Patent Number

  3,846,231

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1974
  50 years ago

• CPC

  • D21G9/0018 - controlling the stock preparation
  • D21D1/002 - Control devices
  • D21F1/0009 - Regulating the freeness of the pulp
  • Y10S162/10 - Computer control of paper making variables

• US Classifications

  • 162 - Paper making and fiber liberation
  • 073 - Measuring and testing
  • 241 - Solid material comminution or disintegration