| 摘要 |
The method is particularly suitable for applying enamel by electrophoresis inside a hollow body, e.g. a sheet metal part. It consists in using an expandable cathode which, when expanded, approaches the interior angles of the hollow body, thereby favoring deposition of enamel in otherwise unfavored regions of the hollow body. Also, the expandable cathode is hollow and has a fluid flowing through it to drain off unwanted ions which could damage the enamel slip.
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