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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works LtdfiledCriticalMatsushita Electric Works Ltd
Priority to JP246576ApriorityCriticalpatent/JPS5286103A/en
Publication of JPS5286103ApublicationCriticalpatent/JPS5286103A/en
PURPOSE: To enhance the yield of material and to reduce the amount of cutting by making the upper part of the external surface of the segment body, made round by forming a curvature on the opposite side of the board material at the time of forming convexes and concaves on one side of the board, letting the protrusions inside.
COPYRIGHT: (C)1977,JPO&Japio
JP246576A1976-01-131976-01-13Process for manufacturing commutator
PendingJPS5286103A
(en)