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.)
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
B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
B21C37/15—Making tubes of special shape; Making tube fittings
Einrichtung zum Herstellen von Rohren aus laengsnahtgeschweissten, einem Ziehvorgangzu unterwerfenden Ausgangsrohren mit einer Vorrichtung zum Entfernen des Schweissgrates
Verfahren zur herstellung von zuegen oder riefen in der innenflaeche von koerpern mit gerader oder gebogener mantellinie waehrend einer verformung durch abstreckdruekken, sowie vorrichtung zur durchfuehrung dieses verfahrens
Vorrichtung und Verfahren zur kontinuierlichen Herstellung einer zumindest teilweise hohl ausgebildeten Welle mit variierendem Innen- und/oder Außendurchmesser