Patent ID: 8459076
Filing Date: 2013-06-11
Classification: B21C,B21D

Abstract:
1. Device for producing at least partly closed profiles or semi-finished products from a blank comprising at least one first die and at least one second die which can be positioned opposite the first die, wherein the at least one first die has a cavity and at least two side walls, wherein the at least two side walls of the at least one first die and the cavity of the at least one first die can be raised and lowered relative to one another, wherein a U-punch is provided to produce a U-shaped cross-sectional shape of the blank with the at least one first die, the at least one second die has a cavity for producing an at least partly closed cross-sectional shape from the U-shaped blank, at least one supporting core with means for positioning the supporting core in a U-shaped blank is provided, the cavity of the at least one second die has elongated side walls in the direction of the at least one first die, with which, when the at least partly closed cross-sectional shape of the blank is produced, the at least two side walls of the at least one first die can be lowered relative to the cavity of the at least one first die.