Method for printing of three-dimensional objects
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United States of America Patent
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Apr 28, 2015
Issued Date -
N/A
app pub date -
Jan 28, 2014
filing date -
Dec 3, 2002
priority date (Note) -
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Abstract
A method for forming three dimensional objects is disclosed. The method includes printing building material, layer by layer, to form a three dimensional object on a printing tray by moving a printing block that comprises a printing head, at least two curing sources and a leveler in forward and reverse passages. The printing is done by moving the printing block in a forward passage when the distance between the printing block and the printing tray is such that the leveler does not touch a layer being built, adjusting a height position of the printing tray relative to the printing block prior to printing a reverse passage and moving the printing block in the reverse passage, wherein during the reserve passage the leveler touches and levels the layer being built.
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