Patents Assigned to Afitex International SAS
  • Drainage geocomposite and its method of manufacture
    Patent number: 7618213
    Abstract: This invention concerns a geocomposite (1, 2) that includes a drainage sheet (4) onto which are placed perforated, girdled mini-drains (5) parallel to each other, and at least one filtration sheet (31) covering the perforated, girdled mini-drains (5), characterized in that the drainage sheets (4) and the filtration sheets are connected together by the needlepunching technique.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: November 17, 2009
    Assignee: Afitex International SAS
    Inventor: Yves Durkheim