发明名称 JOINTING METHOD
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>
申请公布号 JP2002172484(A) 申请公布日期 2002.06.18
申请号 JP20000366797 申请日期 2000.12.01
申请人 KOMATSU LTD 发明人 HACHIUMA HIROKUNI;MAEDE TAKEO
分类号 B23K31/00;B23K26/00;B23K26/20;(IPC1-7):B23K31/00 主分类号 B23K31/00
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