Method for the manufacture of a three-dimensional molding
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United States of America Patent
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Issued Date -
Feb 15, 2007
app pub date -
Jun 13, 2006
filing date -
Jun 13, 2005
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for the manufacture of a three-dimensional molding (29), wherein the molding (29) is generated from a solidifiable powder material by consecutively solidifying individual layers through the effect of radiation (27), while generating a new layer by exposing traces that are arranged adjacent to each other to radiation, wherein, in order to form an overhang region (47), a contour trace (49) is formed on a coherently solidified region and on a powder material (17) that has not solidified yet, the contour trace (49) is adjusted to an outer contour at least in the region of transition from the solidified region to the powder material (17) that has not solidified yet, and the at least one further contour trace (49') adjusted to the outer contour is formed of non-solidified material (17) while comprising a high overlapping degree in relation to the previously formed contour trace (49).
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