| 摘要 |
PROBLEM TO BE SOLVED: To suppress deposition and electric corrosion in the surrounding of a contact portion of an earth electrode and a plate-state member, in indirect spot weld.SOLUTION: A spot weld device 1 comprises: a weld electrode 5 contacting an upper surface 4a of a lapping portion 4 of first and second plate-state members 2, 3; and a first earth electrode 6 contacting a lower surface 4b of the lapping portion 4, and joints the lapping portion 4 by indirect spot weld. The spot weld device 1 further comprises a second earth electrode 9 as a holding member for holding the lapping portion 4 between it and the first earth electrode 6.SELECTED DRAWING: Figure 1 |
