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Apparatus for manufacturing three-dimensional objects

  • US 9,815,242 B2
  • Filed: 08/22/2014
  • Issued: 11/14/2017
  • Est. Priority Date: 08/23/2013
  • Status: Active Grant
First Claim
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1. An apparatus for manufacturing three-dimensional objects by selective solidification of a build material applied in layers, the apparatus comprising:

  • a build platform on which at least one three-dimensional object is to be generated in layers, said build platform being disposed in an X-Y plane;

    a heating element for inputting thermal energy into the build material, said heating element at least partly overlying said build platform;

    a drive device for generating a relative motion between said build platform and said heating element in at least one of an X or Y direction;

    said heating element having at least two simultaneously usable functional openings formed therein, one of said at least two functional openings being embodied as a material passthrough and another of said at least two functional openings being embodied as a radiation passthrough; and

    an additional device for heating or for heating and cooling to control a temperature of the build material applied through said material passthrough.

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