AT249613B - Verfahren und Vorrichtung zum Erzeugen von langgestreckten Hohlkörpern, besonders von Rohren aus Stahl und Nichteisenmetallen
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Verfahren und Vorrichtung zum Erzeugen von langgestreckten Hohlkörpern, besonders von Rohren aus Stahl und Nichteisenmetallen
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Publication number
AT249613B
AT249613BAT852564AAT852564AAT249613BAT 249613 BAT249613 BAT 249613BAT 852564 AAT852564 AAT 852564AAT 852564 AAT852564 AAT 852564AAT 249613 BAT249613 BAT 249613B
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Application filed by Cesare ZaninifiledCriticalCesare Zanini
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Publication of AT249613BpublicationCriticalpatent/AT249613B/de
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
B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
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Engineering & Computer Science
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Mechanical Engineering
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Metal Extraction Processes
(AREA)
AT852564A1963-10-081964-10-07Verfahren und Vorrichtung zum Erzeugen von langgestreckten Hohlkörpern, besonders von Rohren aus Stahl und Nichteisenmetallen
AT249613B
(de)