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 FR989644ApublicationCriticalpatent/FR989644A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C25/00—Profiling tools for metal extruding
B21C25/06—Press heads, dies, or mandrels for coating work
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR989644D1944-02-191944-02-19Nouveau procédé et dispositif pour le filage de tubes métalliques
ExpiredFR989644A
(fr)