Patents Assigned to LEA-CO International
  • Method of manufacturing a bituminous coated material
    Patent number: 7883741
    Abstract: The method comprises a stage of drying of the granular materials followed by a stage of coating of the whole thereof with a hot bituminous binder. According to the invention, the drying stage is carried out in conditions which allow a fraction of the initial humidity of the granular materials to remain. The invention has application in road building.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: February 8, 2011
    Assignee: LEA-CO International
    Inventors: Jean-Pierre Antoine, François Olard, Patrick Huon