Method and device for producing a hollow profile

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 roller shaping tools to an open profile, after which the profile passes through a weld...

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Bibliographische Detailangaben
1. Verfasser:	KUMMLE RALF
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	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 roller 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.