| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a filter unit and the like, capable of removing bubbles more easily compared with heretofore.SOLUTION: There is provided a filter unit comprising a filter for filtering a coating liquid to be coated on a sheet, and a housing for storing the filter. The filter has an opening at one end side and is configured to filter the coating liquid from outside toward inside. The housing has an inflow port through which the coating liquid flows in at one end side, and a discharge port through which the coating liquid filtered by the filter is discharged at the other end side. The filter is installed at the other end side of the housing so that the opening and the discharge port communicate with each other and besides, an exhaust port for exhausting air is formed at a position outside the filter.</p> |
