BAR COATING APPARATUS, COATING METHOD USING IT AND METHOD OF MANUFACTURING OPTICAL FILM

摘要

PROBLEM TO BE SOLVED: To perform homogeneous coating without producing irregularity such as longitudinal streaks or the like on a coating surface immediately after coating.

SOLUTION: A bar coating apparatus is equipped with a bar 20 for coating a traveling web 18 with a coating solution, a bar receiving member 22 provided under the bar 20 to support the bar 20 in a freely rotatable manner, a slot 34 provided on the upstream side of the bar 20 in the strip-like material traveling direction to coat the web 18 and a slot 40 provided on the downstream side of the bar 20 in the strip-like material traveling direction to discharge the excessive coating solution flowing down along the surface of the bar 20.

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