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.)
Sanwa Kokan Co Ltd
Original Assignee
Sanwa Kokan 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 Sanwa Kokan Co LtdfiledCriticalSanwa Kokan Co Ltd
Priority claimed from EP84302623Aexternal-prioritypatent/EP0159426B1/en
Application grantedgrantedCritical
Publication of DE3484775D1publicationCriticalpatent/DE3484775D1/en
DE8484302623T1984-04-171984-04-17
METHOD AND DEVICE FOR COLD DRAWING SEAMLESS METAL TUBES WITH UPSTRESSED AREAS ON BOTH ENDS.
Expired - LifetimeDE3484775D1
(en)