| 摘要 |
The metal rings 1, 2 are arranged coaxially, but separated from each other: - an insulating sleeve 3 and at least one metal sleeve 4 capable of being electromagnetically formed are arranged coaxially with the said rings, - the insulating sleeve 3 and the metal sleeve 4 are forced against the rings 1, 2 by the electromagnetic forming process using a coaxial coil 5, so as to apply the insulation against the rings in order to form a one-piece assembly. <IMAGE>
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