Patent ID: 7722930

Claim:
A drying method for a coated film formed by applying a coating liquid containing an organic solvent over a traveling continuous support, the method which sequentially conducts, immediately after the application, following steps in a drying zone where a coated surface to be dried of the traveling continuous support is surrounded: a first drying step for drying the surface of the coated film by conveying the continuous support through a first drying wind zone in which an one-way flow drying wind, flowing from one edge side to another edge side in a width direction of the continuous support, is supplied; a windless drying step for drying the surface of the coated film by conveying the continuous support through a windless drying zone in which the drying wind is not blown; the windless drying step is conducted at a location where an amount of solids content among the coated film being dried in the drying zone is 60% to 80% by mass; and a second drying step for drying the surface of the coated film by conveying the continuous support through a second drying wind zone in which an one-way flow drying wind, flowing from one edge side to another edge side in a width direction of the continuous support, is supplied; wherein an averaged wind velocity of the drying wind in the first drying step is set faster than an average wind velocity of the drying wind in the second drying step.