Device and method for a layerwise manufacturing of a 3-dimensional object from a building material in powder form
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United States of America Patent
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Mar 3, 2015
Grant Date -
May 8, 2014
app pub date -
Jan 9, 2014
filing date -
May 18, 2006
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Abstract
A method is provided, by which a three-dimensional object is manufactured by a subsequent solidification of layers of a building material in powder form at the positions in the respective layer that corresponds to the cross-section of the object by means of the action of a laser or another energy source,
- wherein as building material in powder form a material is used which contains the old powder that has remained as unsolidified powder in the manufacturing of one or more previously formed objects and a proportion of new powder that has not been used before in any manufacturing process,characterized in thatthe building material in powder form is mechanically consolidated when a layer is applied.
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