METHOD OF GENERATIVELY MANUFACTURING A THREE-DIMENSIONAL OBJECT WITH BROACHING ELEMENTS AND METHOD OF GENERATING A CORRESPONDING DATA SET
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
May 2, 2011
filing date -
May 5, 2010
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Abandoned
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Abstract
The present invention relates to a method of generatively manufacturing a three-dimensional object (3) by means of a device, comprising the following steps: a) layerwise applying a powdery material (11) onto a support (5) of the device or a previously applied layer; b) selectively solidifying the powdery material (11) by energetic radiation (8′) at locations corresponding to the cross-section of the object (3) in the layer, c) repeating the steps a) and b) until the object (3) is completed. The object (3) has at least one cavity (13), which opens to an opening (14) at the surface of the object (3), and the powdery material (11) is solidified such that a broaching member (12) is formed, which extends in the cavity (13) and can be withdrawn through the opening (14) from the cavity. The invention also relates to an associated method of generating a data set of the three-dimensional object (3).
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