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Device for treating powder for a device which produces a three-dimensional object device for producing a three-dimensional object and method for the production thereof

  • US 7,153,463 B2
  • Filed: 01/30/2002
  • Issued: 12/26/2006
  • Est. Priority Date: 02/07/2001
  • Status: Active Grant
First Claim
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1. A process for producing a three-dimensional object by means of a generative manufacturing process, in which the object is built up by sequential application of layers of a powder material and solidification of the layers at points corresponding to the cross-section of the object, the process comprising fluidizing the powder in a supply container prior to solidification of a layer by supplying a fluid medium to the supply container to effect fluidization, the process further comprising the step of controlling and/or regulating at least one of a variant selected from the group consisting of a temperature, a pressure and a volume flow of the fluid medium.

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