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US 10,751,751 B2Granted
Pretreatment method for coating or printing
AssigneeNisshin Steel Co., Ltd.
InventorsMasaki Satou, Seiju Suzuki, Masaru Hiraku, Shuichi Sugita
Life of this patent
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Abstract
A method for treating a metal substrate surface before coating or printing thereof, the method including: preheating to 40° C. or above a specific metal substrate having a thermal conductivity of 10 W/mK or higher, and thereafter continuously performing a flame treatment on the substrate surface, prior to coating or printing of the surface of the substrate with a coating material or an ink.
Claims16
A method for treating a coated steel sheet surface before forming patterns thereon by inkjet printing, the method comprising:
- preheating to 40° C. or above a coated steel sheet having a thermal conductivity of 10 W/mK or higher, and thereafter continuously performing a flame treatment on the coated steel sheet surface, followed by the inkjet printing of the surface of the coated steel sheet with an inkjet ink,
- wherein a transport speed of the coated steel sheet is 10 m/min to 50 m/min.
Dependencies are inferred from the claim text.