| 摘要 |
PROBLEM TO BE SOLVED: To provide a cast insulating component not causing an effect on electric characteristics even if a particular symbol is formed on an insulator surface in an indelible ink. SOLUTION: The cast insulating component includes an insulator 1 formed of an insulating material and a particular symbol such as a manufacture number 4 and an inspection-passed mark formed by an indelible ink of which the insulation resistance is different from the insulator 1, on the surface of the insulator 1 where an embedded member like embedded metal fittings 2a, 2b, 3a, 3c embedded in the insulator 1 and an electrode member such as a main circuit conductor 5, 7 to be fixed with the above embedded member are arranged opposed and electric field relaxation is aimed. COPYRIGHT: (C)2011,JPO&INPIT
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