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|1. (WO2016063414) COOLING DEVICE FOR HOT-DIP PLATED STEEL SHEET|
|Applicants:||NIPPON STEEL & SUMITOMO METAL CORPORATION
|Title:||COOLING DEVICE FOR HOT-DIP PLATED STEEL SHEET|
A cooling device for a hot-dip plating device, which is provided above a plating thickness control device in a transport path for a hot-dip plated steel sheet transported upward, vertically from a plating bath, is provided with a main cooling device for spraying a main cooling gas perpendicular to the hot-dip plated steel sheet and a preliminary cooling device provided in a preliminary cooling space between the main cooling device and the plating thickness control device in the transport path for spraying a preliminary cooling gas to a plurality of gas impact positions provided along the preliminary cooling space.