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 JP3898277ApriorityCriticalpatent/JPS53124702A/en
Publication of JPS53124702ApublicationCriticalpatent/JPS53124702A/en
PURPOSE: To prevent a displacement of the punching even for a big amount of centrifugal force applied when in operation, by such means that with a high fluid pressure applied to the stud, a gap between the stud and the stud hole be eliminated by its sectional expansion.