| 摘要 |
PURPOSE:To simply and effectively obtain reinforcing means by bundling reinforcing fine wires having high strength such as iron wires in advance in a field coil. CONSTITUTION:Fine wires 5 such as iron wires for reinforcing the strength of conductors are mixed in a field coil 3 in advance, led out at a power supply section 4, wound on the outer periphery of the section 4, thereby preventing the wires from separating irregularly to facilitate the works of the following steps. |
