专利名称：Welder and welding method发明人：KAWABE, Naoki,MARUYAMA,
Tokuji,MIYATA, Minoru,YAMAZAKI,Kei,SUZUKI, Reiichi
申请号：EP16743014申请日：20160104公开号：EP3251781A4公开日：20181017
摘要：The purpose of the present invention is reduce a certain amount of weld metaldiffusible hydrogen. Welding system (100) includes the workpiece W of the welding of ablast burner for soldering (10) by using line (1), suction unit (30), for aspirating protectivegas, the protective gas flowing for allowing to suck with the protective gas supply path(60) of sucking, its blast burner for soldering (10) has contact chip (14), guide wires (1),shroud gas supply nozzle (11), protective gas is supplied to a welding section, contactchip (14) are protruded from periphery (3) line (1) is surrounded in suction nozzle (12),sucking protective gas is arrived with towards pointed wire (1).
申请人：Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
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