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 Mannesmann AgfiledCriticalMannesmann Ag
Publication of ATA326377ApublicationCriticalpatent/ATA326377A/de
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
B21C23/00—Extruding metal; Impact extrusion
B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods
(AREA)
Extrusion Of Metal
(AREA)
AT326377A1976-06-011977-05-06Verfahren zum herstellen von rohren oder anderen profilen aus chromhaltigen legierungen und sonderwerkstoffen
ATA326377A
(de)
Verfahren und Vorrichtung zum Herstellen von aus zwei parallelen Längsstäben und sprossenartig zwischengeschweissten Querverbindern bestehenden Bauelementen aus Stahl