Extrusion process with extrusion press die and the extrusion press ram for the production of hollow bodies, consisting of a metallic material, as well as extrusion press tool

摘要

The present invention relates to a hollow body, with any desired symmetrical or asymmetrical cross-sectional area, consisting of a fleece press which are capable, in particular metallic, material with at least one, over a section extending in the longitudinal direction, which can be generated by predetermined breaking point during the extrusion molding. According to the invention, the predetermined breaking point for example, by means of a thick material weakening at the inner side of the wall of the hollow body is formed. The present invention also relates to a fleece press tool, designed for the production of hollow body.