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    • 4. 发明申请
    • WATER BASED COATING COMPOSITION FOR WIND BLADES
    • WO2023079078A1
    • 2023-05-11
    • PCT/EP2022/080822
    • 2022-11-04
    • HEMPEL A/S
    • BERNAD, Pablo LuisJUNG, ChristinaWOOD, Craig E.
    • C08G18/08C08G18/44C08G18/73
    • The present invention relates to a water based coating composition for wind blades, in particular for erosion protection of wind blades. The invention also relates to the use of a water based coating composition for coating a wind blade, preferably for providing an erosion protection topcoat on said wind blade. The invention also relates to a wind blade coated with a coating composition according to the invention and to a method for protecting a wind blade against erosion by application of a coating composition according to the invention on said wind blade and to a method for repairing and/or replacing the existing coating layer on a wind blade by application of a coating composition according to the invention. The coating composition comprises a) a primary composition comprising one or more aqueous dispersion of an aliphatic polyurethane, such as one or more aqueous dispersion of an aliphatic polyurethane based on polyester diols; and/or one or more aqueous dispersion of an aliphatic polyurethane based on polycarbonate diols; and optionally b) a secondary composition comprising one or more polyisocyanates; wherein, when the coating composition comprises b) then said one or more aqueous dispersion in a) is present in an amount of at least times the amount of said one or more polyisocyanate in b) based on weight; when b) is absent then the coating composition is a one-component composition. Preferably, said aqueous dispersion has a particle size characterized by a D50 (median) value below 1000 nm.
    • 6. 发明申请
    • BED SYSTEM OPERATION
    • WO2022263593A1
    • 2022-12-22
    • PCT/EP2022/066482
    • 2022-06-16
    • ROTOBED APS
    • HOLM, Martin Riis
    • A61G7/16A61G7/015A61G7/018
    • A bed system and a method of operating a bed system is disclosed, the bed system comprising a controller device, a bed frame, and a mattress assembly pivotably mounted on the bed frame for pivoting the mattress assembly about a pivot axis to form a pivot angle between the mattress assembly and a longitudinal axis of the bed frame, the mattress assembly configured to be arranged in a first position and a second position and comprising a back part, a seat part and a leg part, wherein a back normal of the back part and the pivot axis forms a back angle, a seat normal of the seat part and the pivot axis forms a seat angle, and a leg normal of the leg part and the pivot axis forms a leg angle, the method comprising receiving and determining a user input to the controller device; in accordance with a determination that the user input is a first primary user input, moving the mattress assembly to a pivoted intermediate position; and in accordance with a determination that the user input is a first secondary user input, moving the mattress assembly from the pivoted intermediate position to the second position, wherein moving the mattress assembly from a pivoted intermediate position to the second position comprises tilting the back part and moving the mattress assembly to a second height.