Patent ID: 7521083

Claim:
Method for treatment of a surface of a rotor blade of a windmill, comprising: positioning a rotor blade in an immobile position, providing an apparatus near said rotor blade, said apparatus comprising means for surface treatment, placing the apparatus to be movable in relation to a surface of the rotor blade, and moving the apparatus depending on a treatment form determined by the means for treatment mounted on, in or at the apparatus, wherein said surface treatment comprises at least one of: cleaning including washing by pressurized water and by using cleaning articles, brushes or sealing agents, cleaning including applying mechanical means, painting including application of paint or lacquer, pre-treatment including pre-treatment cleaning, degreasing or sanding, finishing including drying by applying air, heated air or radiation heating, or polishing, sealing of the surface by applying wax or corresponding means, surface treatment comprising treatment of the surface for anti-soiling or maintenance including application of wax or sealing agents, inspection or testing of the surface or parts hereof, inspection or testing of the rotor blade including underlying parts thereof, measurements carried out on or in connection with the rotor blade or the windmill, and treatment of the surface of the rotor blade including preventive treatment or repairs.