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In a method of application of a coating medium by use of a spray device onto a moving surface, which in the direct application method is the surface of a material web, specifically a paper or cardboard web, an atmosphere of back-moistening and/or moistening medium for the atomized coating medium is

In a method of application of a coating medium by use of a spray device onto a moving surface, which in the direct application method is the surface of a material web, specifically a paper or cardboard web, an atmosphere of back-moistening and/or moistening medium for the atomized coating medium is maintained in the area of the spray device.

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[ What is claimed is:] [1.]1. A method of one of directly and indirectly applying a coating medium onto a moving fiber material web, said method comprising the steps of:providing a two-substance spray device having an application area;providing a housing substantially surrounding said spray device,

[ What is claimed is:] [1.]1. A method of one of directly and indirectly applying a coating medium onto a moving fiber material web, said method comprising the steps of:providing a two-substance spray device having an application area;providing a housing substantially surrounding said spray device, said housing having an open end closely adjacent the web such that an interior of said housing and the web define a chamber;spraying the coating medium with said spray device to thereby atomize the coating medium; andmaintaining an atmosphere within said chamber of a water vapor for the atomized coating medium in said application area of said spray device, said water vapor being configured for acting as a carrier liquid for the coating medium such that said spraying step includes utilizing said water vapor.