| 摘要 |
PURPOSE:To obtain a stable welding strength by enabling tight positioning of a wire joint member and a wire without being affected by fraying at a wire cutting section. CONSTITUTION:A wire joint metal 1 has a wire connection part 2 with a U groove-shaped cross section formed along the axial direction thereof. The width of the wire connection part 2 is formed larger than the diameter of an operation wire 3 to be inserted thereinto. |
