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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalToshiba Corp
Priority to JP5491877ApriorityCriticalpatent/JPS53140243A/en
Publication of JPS53140243ApublicationCriticalpatent/JPS53140243A/en
Butt Welding And Welding Of Specific Article
(AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like
(AREA)
Abstract
PURPOSE: To prevent the internal oxidation of a vessel-shaped body due to an increase in temp. and make the contacting operation of the weld zone between the opening part of the body and a metal plate unnecessary through the pressurizing action of atmospheric press., by evacuating the body prior to sealing by welding.
COPYRIGHT: (C)1978,JPO&Japio
JP5491877A1977-05-121977-05-12Sealing method by vacuum welding
PendingJPS53140243A
(en)