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.)
DURALUMIN
Compagnie Generale du Duralumin et du Cuivre SA
Original Assignee
DURALUMIN
Compagnie Generale du Duralumin et du Cuivre SA
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Filing date
Publication date
Application filed by DURALUMIN, Compagnie Generale du Duralumin et du Cuivre SAfiledCriticalDURALUMIN
Application grantedgrantedCritical
Publication of FR997811ApublicationCriticalpatent/FR997811A/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
B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
B21C3/02—Dies; Selection of material therefor; Cleaning thereof
B21C3/12—Die holders; Rotating dies
B21C3/14—Die holders combined with devices for guiding the drawing material or combined with devices for cooling heating, or lubricating
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR997811D1945-07-301945-07-30Perfectionnements aux filières pour bancs à étirer
ExpiredFR997811A
(fr)