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
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
B21D3/06—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged inclined to a revolving flier rolling frame
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Verfahren zur Herstellung von Rohren aus einem zylindrischen, mit einem eingezogenen Dorn versehenen Arbeitsstueck mittels eines kontinuierlichen Walzwerks
Verfahren zum Biegen von staerkeren Blech-, insbesondere Stahlblechplatten, zu laengsgeschlitzten Hohlkoerpern, z. B. Rohren, und Vorrichtung zur Durchfuehrung des Verfahrens
Einrichtung zum Runden von Blechstreifen fuer die Herstellung von geschweissten Rohren mit Laengsnaht, insbesondere von solchen groesseren Durchmessers