B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/08 (2006.01) B29C 43/00 (2006.01) B29C 43/20 (2006.01) B29C 70/46 (2006.01) B32B 5/20 (2006.01) B32B 5/28 (2006.01) B32B 7/02 (2006.01) B32B 27/04 (2006.01)
Patent
CA 2485931
A method of producing a three-dimensional article having a sandwich structure comprises a deforming step of a mainly flat assembly of a core layer of a thermoplastic foam and at least one cover layer of a fiber reinforced thermoplastic synthetic material into a three-dimensional article. The thermoplastic foam of the core layer is an anisotropic foam. The starting materials are selected in such a way that the glass transition temperature of the starting material of the core layer is higher than the glass transition temperature of the synthetic material of the cover layer.
La présente invention a trait à un procédé de production d'un article tridimensionnel comprenant une structure sandwich comportant un étape de déformation d'un ensemble essentiellement plat d'une couche d'âme d'une mousse thermoplastique et au moins une couche d'enveloppe d'un matériau synthétique thermoplastique à renforcement de fibres en un article tridimensionnel. La mousse thermoplastique de la couche d'âme est une mousse anisotrope. Les matériaux de départ sont choisis de sorte que la température de transition vitreuse du matériau de départ de la couche d'âme est supérieure à la température de transition vitreuse du matériau synthétique de la couche d'enveloppe
de Groot Martin Theodoor
Gowling Lafleur Henderson Llp
LandOfFree
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