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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Reisholz Stahl & Roehrenwerk
Original Assignee
Reisholz Stahl & Roehrenwerk
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Filing date
Publication date
Application filed by Reisholz Stahl & RoehrenwerkfiledCriticalReisholz Stahl & Roehrenwerk
Application grantedgrantedCritical
Publication of FR1069436ApublicationCriticalpatent/FR1069436A/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
B21C23/00—Extruding metal; Impact extrusion
B21C23/02—Making uncoated products
B21C23/04—Making uncoated products by direct extrusion
B21C23/08—Making wire, bars, tubes
B21C23/085—Making tubes
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1069436D1953-01-051953-01-05Procédé et dispositif pour la fabrication de corps creux, de tubes, etc., fermés d'un côté
ExpiredFR1069436A
(fr)