Patents Assigned to Mitteldeutsche Harstein-Industrie AG
  • Method and device for producing a bitumen-bonded construction material mixture
    Publication number: 20040033308
    Abstract: The invention relates to a method for producing a bitumen-bonded construction material mixture, such as rolled asphalt, where mineral matter is coated with bitumen that is sprayed onto the mineral matter. So as to have to heat the mineral matter only to a temperature T1 with 110° C.≦T1≦160° C., a water-containing additive is mixed in, which is added immediately before and/or during and/or immediately after spraying the binding agent.
    Type: Application
    Filed: August 13, 2002
    Publication date: February 19, 2004
    Applicants: Mitteldeutsche Harstein-Industrie AG, Eurovia Gmbh, Eurovia S.A.
    Inventors: Walter Barthel, Max Von Devivere, Jean-Pierre Marchand