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.)
Siemens Schuckertwerke AG
Siemens Corp
Original Assignee
Siemens Schuckertwerke AG
Siemens Corp
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Filing date
Publication date
Application filed by Siemens Schuckertwerke AG, Siemens CorpfiledCriticalSiemens Schuckertwerke AG
Application grantedgrantedCritical
Publication of FR746690ApublicationCriticalpatent/FR746690A/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)
FR746690D1931-12-071932-12-02Presse à tubes pour la fabrication de tubes métalliques
ExpiredFR746690A
(fr)