Patent ID: 6763771
Filing Date: 2004-07-20
Classification: A47F,B29C,B29K

Abstract:
A method for producing one-piece, three-dimensional shaped bodies from a substantially planar material blank which is resistant to bending at room temperature, in which the material blank is clamped in position with at least one clamping device, heated with at least one heating means along deformation lines extending in a narrow heating region, and then deformed along said deformation lines in this clamped state, wherein said deformation is performed freely in space, without the use of a stop edge, indentation or die, by maneuvering in space said clamping device relative to said deformation lines, with the force being introduced in non-heated regions, and wherein the thus attained three-dimensional shape is permanently preserved after cooling, during which cooling the material blank is kept in the attained three-dimensional shape.