| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a facility and a method for manufacturing a surface-treated steel sheet, in each of which a coating material can be reused, two or more coating materials can be used which are prepared by halfway changing a mixing ratio of chemicals or by halfway changing one chemical to another chemical or which are apt to react with one another at around room temperature, or two or more chemicals can be used which are apt to generate sludge due to a neutralization reaction. <P>SOLUTION: The facility for manufacturing the surface-treated steel sheet is characterized in that two or more ink-jet units each having a plurality of heads 11-13 are arranged along the traveling direction of a steel sheet 10 and the plurality of heads of each of two or more ink-jet units are arranged along the width direction of the steel sheet. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
