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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP6212677ApriorityCriticalpatent/JPS53148085A/en
Publication of JPS53148085ApublicationCriticalpatent/JPS53148085A/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Punching Or Piercing
(AREA)
Abstract
PURPOSE: To improve yield of material in working the same by use of scrap press, by removing residual stress developed on both sides of a blank which has been cut into shape by means of slitter.
COPYRIGHT: (C)1978,JPO&Japio
JP6212677A1977-05-301977-05-30Method of press working
PendingJPS53148085A
(en)