Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NIPPON HAKUYO KIKI KAIHATSU KYOKAI
NIPPON KAKYO KIKI KAIHATSU
Mitsubishi Heavy Industries Ltd
Original Assignee
NIPPON HAKUYO KIKI KAIHATSU KYOKAI
NIPPON KAKYO KIKI KAIHATSU
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NIPPON HAKUYO KIKI KAIHATSU KYOKAI, NIPPON KAKYO KIKI KAIHATSU, Mitsubishi Heavy Industries LtdfiledCriticalNIPPON HAKUYO KIKI KAIHATSU KYOKAI
Priority to JP10235577ApriorityCriticalpatent/JPS5435841A/en
Publication of JPS5435841ApublicationCriticalpatent/JPS5435841A/en
PURPOSE: To form the sound weld zone, by excluding water in the circumfernece of welding arc and, at the same time, by heating the base metal from the back of the base metal to be welded, when the gas shielded arc welding is performed under water.