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 Steel Corp
Original Assignee
Nippon Steel Corp
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 Steel CorpfiledCriticalNippon Steel Corp
Priority to JP5455277ApriorityCriticalpatent/JPS53140242A/en
Publication of JPS53140242ApublicationCriticalpatent/JPS53140242A/en
Butt Welding And Welding Of Specific Article
(AREA)
Abstract
PURPOSE: To prevent the occurenceof cracking on a weld bead in the vicinity of the discontinuous portion of backing strips by swelling the bead to a thickness more than 60% of the thickness of a joint by one pass in butt welding of the bottom plate of a cylindrical tank, or the like.
COPYRIGHT: (C)1978,JPO&Japio
JP5455277A1977-05-121977-05-12Welding method for v-shaped groove joint using backing strips
PendingJPS53140242A
(en)
PROCEDURE FOR THE CONVERSION OF ETHANOL TO ACETALDEHYDE CATALYZED BY ENZYME, PROCEDURE TO PREPARE STABLE COMPLEXES ASSOCIATED WITH ACETALDEHYDE IN SOLUTION, STABLE SOLUTION SO OBTAINED, PROCEDURE INCLUDING A CO-FACTOR AND APPARATUS TO BRING