643022

Information

• Patent Grant
• 643022

• References
• Source

• Patent Number

  643,022

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1900
  125 years ago

• CPC

  • B01D25/121 - with bandshaped filtering elements intermittently entrained between the press plates, the lateral sides of the elements being clamped between two successive plates or between a plate and a successive frame during the filtration period
  • B01D25/127 - with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration
  • B01D25/383 - Brushes

• US Classifications

  • 210 - Liquid purification or separation