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OwnerToshitaka Kawanami, Hiroyuki Sakamoto +5inventors
InventorsToshitaka Kawanami, Hiroyuki Sakamoto, Hidenori Tanaka, Kazuo Morichika, Takao Saito, Yoshihide Goto, Taiki Goto
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An insulated square wire that has a high dielectric breakdown voltage is prepared by coating a square wire by cationic electrodeposition on a square wire to form an insulating film thereon, by application of a cationic electrocoating from an electrocoating bath, wherein the shifting speed of the square wire in the electrocoating bath is set in a range from 1 to 80 m/min; the shortest distance from a liquid-contact portion of the square wire onto the cationic electrocoating to an electrode is et longer than 1/2 of the total shift distance of the square wire from the liquid-contact portion of the square wire to a liquid-separation portion in the electrocoating bath, the cationic electrocoating contains a resin composition of which a hydratable functional group is reduced directly by electrons and passivated, resulting in deposition of a film, and the cationic electrocoating contains crosslinked resin particles.
A method of coating a square wire comprising a step of:
A method of coating a square wire, comprising a step (I) of forming a first insulating film by cationic electrodeposition using a cationic electrocoating, and a step (II) of forming a second insulating film on the first insulating film formed in the step (I) using an insulating coating,
Dependencies are inferred from the claim text.