Three-dimensional structured printing

Details Three-dimensional structured printing Three-dimensional structured printing

B - Operations, Transporting

29

C

B29C 67/00 (2006.01) B29C 41/00 (2006.01) B29C 67/24 (2006.01)

Patent

CA 2447850

A process for forming a three-dimensional article in sequential layers in accordance with a digital model of the article. The process comprises the steps of defining a layer of powder or liquid material, applying a liquid reagent to the layer in a pattern corresponding to the digital model, and repeating these steps to form successive layers. The powder or liquid material comprises a first reactive component and the applied liquid includes a second active component capable of reacting with the first reactive component so that the article is built up in layers. The characteristics of the layers vary across those layers and/or the properties vary from layer to layer.

L'invention concerne un procédé de formation d'un article tridimensionnel en couches séquentielles, selon un modèle numérique de l'article. Ce procédé comprend les étapes consistant à définir une couche de matière en poudre ou liquide, à appliquer un réactif liquide sur la couche selon un motif correspondant au modèle numérique, et à répéter ces étapes pour former des couches successives. La matière en poudre ou liquide comprend un premier constituant réactif, et le liquide appliqué comprend un second constituant actif pouvant réagir avec le premier constituant réactif, de sorte que l'article se forme en couches. Les caractéristiques de ces couches varient à travers les couches, et/ou leurs propriétés varient de couche en couche.

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