Dust Bags And Separators Patents (Class 15/DIG8)
  • Dust filter bag
    Patent number: 6045595
    Abstract: A dust filter bag made of a fiber layer laminated together with a paper layer, where the fiber layer is composed of polymer fibers and is arranged on the downstream-gas side of the paper layer.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: April 4, 2000
    Assignee: Firma Carl Freudenberg
    Inventor: Ulrich Freudenberg