Patents Assigned to Societe Nouvelle des Filtres Philippe
  • Patent number: 4153550
    Abstract: The present invention relates to a method and apparatus for the continuous filtration of material impregnated with liquid. This method is characterized in that pressure is exerted discontinuously on successive portions of the material to be filtered travelling continuously such that this pressure is applied to each portion of the material as it moves, over a predetermined distance, after which the pressure is no longer applied to this portion in order to be applied to the following portion of material.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: May 8, 1979
    Assignee: Societe Nouvelle des Filtres Philippe
    Inventor: Jean-Claude Lautrette