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.)
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Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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Filing date
Publication date
Application filed by Babcock Hitachi KKfiledCriticalBabcock Hitachi KK
Priority to JP1417177ApriorityCriticalpatent/JPS5399519A/en
Publication of JPS5399519ApublicationCriticalpatent/JPS5399519A/en
PURPOSE: To relax the stress concentration on the joint welding section of a piping system and other sections by setting up a protective ring in a socket joint like a small diameter pipe, etc. and welding a bar steel on the pertient protective ring, then, transferring the stress generated at the pertinent bar steel.