Method and apparatus for producing decorative elements
AssigneeLisa Dräxlmaier GmbH
InventorsSven Lang, Dieter Schweigert
Life of this patent
Estimating the term…
Abstract
An apparatus for producing decorative elements (43), in particular for vehicles, includes a first mould plate (10); a second mould plate (20), which is movable relative to the first mould plate, such that the apparatus may be brought into an open and a closed position. The second mould plate includes a frame (21) and an exchangeable shaping core (22, 23) movable relative to the frame; and a clamp (30), which is arranged and movable in such a way that the entire circumferential zone (44) of a workpiece (40) is fixed to the frame (21) of the second mould plate (20) by the clamp. An associated method is also disclosed.
Claims7
A method of producing decorative elements (43), comprising:
- insertion of a flat, flexible decorative blank (40) with a visible side (41) and a backing side (42) as the workpiece into an apparatus;
- fixing of the workpiece (40) precisely in position in the apparatus, wherein at least part of the circumferential zone (44) of the workpiece is clamped;
- shaping of the workpiece (40) in the apparatus;
- over-moulding the visible side (41) of the workpiece (40) with synthetic resin in the apparatus, wherein said over-moulding is performed with a first core of the apparatus;
- exchanging the first core with a second core of the apparatus which differs from the first core;
- back-moulding the backing side (42) of the workpiece (40) in the apparatus, wherein said back-moulding is performed with the second core of the apparatus;
- and
- following said over-moulding and said back-moulding, trimming of the workpiece over the entire circumference by a relative movement of the fixed circumferential zone (44) of the workpiece relative to the remaining area of the workpiece positioned inside the circumferential zone and ejecting the trimmed workpiece by the relative movement of said trimming;
- wherein said trimming comprises moving the second core relative to a mould plate and a clamp in an axial direction toward a further mould plate.
Dependencies are inferred from the claim text.