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.)
KUPFER U MESSINGWERKE AG
Original Assignee
KUPFER U MESSINGWERKE AG
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 KUPFER U MESSINGWERKE AGfiledCriticalKUPFER U MESSINGWERKE AG
Application grantedgrantedCritical
Publication of FR604174ApublicationCriticalpatent/FR604174A/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
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR604174D1924-12-171924-12-17Procédé et dispositif pour la fabrication de tuyaux à double paroi
ExpiredFR604174A
(fr)