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 JP7614777ApriorityCriticalpatent/JPS5411591A/en
Publication of JPS5411591ApublicationCriticalpatent/JPS5411591A/en
PURPOSE:To provide an apparatus for forming a bore of any desired shape in the wall of a pipe, without deteriorating the circular or cylindrical shape of the pipe.
JP7614777A1977-06-281977-06-28Apparatus for forming bore in wall of pipe
PendingJPS5411591A
(en)