| 摘要 |
Disclosed is an apparatus for coating by extrusion a coating solution on a surface of a beltlike material continuously running comprising a coater die having a plurality of edges and a slit being provided between said edges, wherein a part of said coater die, which has contact with said beltlike material or said coating solution, is covered with a film having Vickers hardness of not less than HV 1,700 wherein the film is prepared by an ion plating method. The apparatus is capable of achieving a stable coatability.
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