| 摘要 |
A first varnish 11 supplied from a first varnish tank 12 and a second varnish 13 supplied from a second varnish tank 14 are mixed by a mixer 15 to provide a varnish 2, and supplied to a varnish bath 18. Coating dies 19 A- 19 F are connected to the varnish bath 18 via tubes 20 A- 20 F. A wire 3 is installed into the coating dies 19 A- 19 F through a hole 20 a provided in each of the tubes 20 A- 20 F. The varnish 2 supplied to the varnish bath 19 is dropped by its self weight through the tubes 20 A- 20 F, and continuously supplied to the coating dies 19 A- 19 F. The varnish 2 is applied to a surface of the wire 3 by the coating dies 19 A- 19 F.
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