ELECTRIC CABLE COLORING METHOD AND ELECTRIC CABLE COLORING DEVICE

摘要

The present invention is to provide a coloring method and an apparatus for forming a predetermined marking on an electric wire even when a moving speed of the electric wire is changed. The coloring apparatus injects predetermined drops of a coloring material to an outer surface of the electric wire. The viscosity of the coloring material is 0.3mPa·s to 4.5mPa·s.