Patent ID: 7022451

Claim:
In a method of immersing a plurality of cylindrical bodies in a bath, which stores a coating liquid, at the same time and then lifting said plurality of cylindrical bodies to thereby form a film on each cylindrical body, said bath comprises a plurality of chambers each being positioned beneath one of said plurality of cylindrical bodies and storing said coating liquid, the plurality of cylindrical bodies are positioned in a space that is closed at a top, surrounded by a flexible hood at sides, and open at a bottom for discharging vapor of a solvent, which is contained in the coating liquid, produced during immersion or drying to touch, the plurality of cylindrical bodies are immersed in the coating liquid in the bath while being confined in said flexible hood, the plurality of cylindrical bodies and said flexible hood are lifted together when said plurality of cylindrical bodies are lifted at a constant speed or a varying speed, and the bottom of said flexible hood is positioned, when the plurality of cylindrical bodies are brought to a stop after a lift, at a level coincident with or lower than a level of bottoms of said plurality of cylindrical bodies.