Method for producing a plurality of curved extruded profiles

Details Method for producing a plurality of curved extruded profiles Method for producing a plurality of curved extruded profiles

2007-04-03

2007-04-03

Tolan, Ed (Department: 3725)

Metal deforming

By extruding through orifice

Expressing plural products

C072S254000, C072S256000, C072S257000

Reexamination Certificate

active

11322169

ABSTRACT:
The invention relates to a method for producing a plurality of bent extruded profiles (4; 5) from a light metal or light metal alloy, which is characterized by the following steps: simultaneously extruding at least two extruded profiles (4; 5) that are mirror-symmetric with respect to their cross-sectional shape while using an extrusion device (1), said extrusion device comprising an extrusion die (2) with an extrusion matrix forming the at least two extruded profiles (4; 5); at the same time bending the at least two extruded profiles (4; 5), while bending, when viewing the direction of extrusion and in a horizontal plane of viewing including the direction of extrusion, at least one of the extruded profiles (4; 5) or the projection thereof into the plane of viewing with a curvature that has a sign opposite the sign of the curvature with which at least one additional extrusion profile (5) or the projection thereof into the plane of viewing is bent.

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International Preliminary Report on Patentability dated May 29, 2006.

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