摘要 |
<p>PROBLEM TO BE SOLVED: To provide a jointing method capable of evenly welding the position to be jointed simply and stably, and obtaining an excellent appearance quality. SOLUTION: The jointing method comprises forming of a hollow part 3 between welding members 1, 2 which are in a state that a pair of the welding member 1, 2 are placed in piles, and jointing the piled parts 4 with welding. The wall part constituting the hollow part 3 is made a nonpiled parts 15. On the nonpiled parts 15, a welding start end S is formed.</p> |