Coated powder particles for producing three-dimensional bodies by means of a layer constituting method
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United States of America Patent
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May 25, 2010
Grant Date -
Nov 9, 2006
app pub date -
Feb 13, 2004
filing date -
Feb 18, 2003
priority date (Note) -
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Abstract
The invention relates a powder material consisting of coated particles for a powder-based rapid generative prototyping methods, in particular by compressing a 3D binder. Said powder material consists of individual plastic, metal and/or ceramic particles and/or granules. A coating essentially consists of an adhesive agent which can be activated by a liquid binder, light or laser light, and of sinterable or glass-forming fine-grained material. Said invention also relates to a method for compressing 3D binder with the aid of an organic solvent having a water content less than 45% and to sintered bodies, in particular for moulding or precision mechanical engineering, which are fixed to each other by sintering or glass formation from a fine grained material.
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