Rapid recoating of three-dimensional objects formed on a...

Details Rapid recoating of three-dimensional objects formed on a... Rapid recoating of three-dimensional objects formed on a...

B - Operations, Transporting

29

C

B29C 67/00 (2006.01) B29C 41/12 (2006.01) B29C 41/36 (2006.01)

Patent

CA 2210802

Methods and apparatus for use in building three-dimensional objects on substantially a cross-sectional basis including methods and apparatus for forming successive layers using counter-rotating rollers, ink jet recoaters, spinning members which sling material, applicator bars that dispense material via a meniscus and/or independently dispensed streams, and also including methods and apparatus to determine a preferred region over which to form a layer and to check for building errors.

Procédé et appareil servant à construire des objets tridimensionnels principalement sur une base de coupe transversale. A cet effet, on réalise des couches successives à l'aide de rouleaux contrarotatifs, des machines de réenduction à jet d'encre, d'éléments tournants qui projettent le matériau, et des racles qui étalent le matériau par l'intermédiaire de ménisque et/ou de courants déposés séparément. Procédé et appareil de détermination d'une zone sélectionnée sur laquelle sera formée une couche, et de vérification des erreurs de structuration.

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