APPARATUS FOR LAYER-BY-LAYER PRODUCTION OF THREE-DIMENSIONAL OBJECTS

An apparatus for the layer-by-layer production of three-dimensional objects having a material application unit containing a doctor blade with an edge closest to the construction field having a non-continuous straight line. In one embodiment the blade may vibrate. A process for layer-by-layer product...

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Bibliographische Detailangaben
Hauptverfasser:	GREBE MAIK, KREUTZ JUERGEN, DIEKMANN WOLFGANG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING METALLIC POWDER WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An apparatus for the layer-by-layer production of three-dimensional objects having a material application unit containing a doctor blade with an edge closest to the construction field having a non-continuous straight line. In one embodiment the blade may vibrate. A process for layer-by-layer production, wherein the construction field is completely coated with applied powder prior to irradiation is also provided. Three dimensional articles made according to the invention are also provided.