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.)
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Henry Wiggin and Co Ltd
Original Assignee
Henry Wiggin and Co Ltd
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Filing date
Publication date
Application filed by Henry Wiggin and Co LtdfiledCriticalHenry Wiggin and Co Ltd
Application grantedgrantedCritical
Publication of FR1196737ApublicationCriticalpatent/FR1196737A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C25/00—Profiling tools for metal extruding
B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1196737D1957-06-071958-06-06Perfectionnements à des procédés et à un appareil pour extruder des métaux
ExpiredFR1196737A
(fr)