Patent ID: 8894400
Filing Date: 2014-11-25
Classification: B29C,B33Y

Abstract:
1. A stereolithography machine comprising: a container for a fluid substance, the fluid substance in a liquid or a paste state, the fluid substance suited to be solidified through exposure to radiation; an emitter that emits said radiation, the emitter operable to selectively irradiate a layer of said fluid substance located adjacent to a bottom of said container in order to solidify the layer of said fluid; a modeling plate suited to support said solidified layer; an actuator suited to move said modeling plate with respect to said bottom at least according to a modeling direction that is substantially perpendicular to said bottom; a leveler associated with a power device, the power device configured to move said leveler with respect to said bottom of said container to cause said fluid substance to be redistributed in said container; said power device being configured to move said container in each one of the two opposite senses of a direction of movement; wherein said leveler comprises at least two paddles extending mainly in a direction perpendicular to said direction of movement, said at least two paddles arranged on two corresponding opposite sides with respect to said modeling plate; wherein said power device is further configured to move each one of said paddles perpendicular to said bottom and to immerse one of said paddles in and extract said one of said paddles from said fluid substance independently of the other one of said paddles.