| 摘要 |
PROBLEM TO BE SOLVED: To provide an efficient coating method having excellent performance and reduced in production cost in a coating liquid producing device or the coating method for providing plural coating layers and to provide a coating liquid adjusting method capable of uniformly dispersing an additive and suppressing the foaming of the coating liquid in a high viscosity coating liquid capable of a high speed coating. SOLUTION: 1) At least one additive selected from among a viscosity modifier, a matting agent and a surfactant is added to the coating liquid by supplying it into a liquid speed pipe. 2) Plural coating liquid supply passages 16, 17 for supplying the coating liquid to the coating device 18 from a coating liquid supply kettle 7 is arranged. 3) At least the 1st passage 17 between two coating liquid supply passages 16, 17 is for supplying the coating liquid to be a lowermost layer on a supporting body to be coated and the 2nd passage 16 is for supplying the coating liquid to be an adjacent layer to the lowermost layer and the additive is supplied in the 1st passage 17 to be added.
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