E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
E02B15/0814—Devices for reducing the polluted area with or without additional devices for removing the material with underwater curtains