LIQUID APPLYING DEVICE, ROTARY MEMBER USED FOR THE SAME AND ITS PRODUCTION

摘要

PROBLEM TO BE SOLVED: To keep the performance of a thin film by decreasing the deformation of the thin film due to the application of a liquid. SOLUTION: Ink is applied on the thin film 24 by a spray coater 32 provided with a suction heating roller 40 for transporting the wet thin film 24 by about semicircle length while sucking and heating and highly controlled to volatilize a solvent in the ink by a prescribed ratio before the ink reaches the thin film 24 in the vicinity of a starting part of the transportation. The rotary speed of the suction heating roller 40 is controlled to dry the applied ink before the thin film 24 is transported by about the semicircle length. Being transported without the action of the stress in the surface direction, the thin film 24 is not deformed even if the thin film is wetted a little by applying the ink. The deformation of the thin film 24 due to the wetting is prevented, because the drying of the ink is carried out by heating simultaneously with the application and the ink is dried without time to be infiltrated into the thin film 24.