| 摘要 |
A process and a device for producing a hollow profile with a cross section varying along its length is provided, in which a first metal strip, varying in width, is deformed by a plurality of driven or free-running rolle r shaping tools to an open profile, after which the profile passes through a welding station. In the welding station, a second metal strip is brought together with the open profile and is laid flush on the edges bounding the open side. The two components, one laid on the other, are then welded longitudinally to form the desired hollow profile. |
