Systems and methods for electrophotography-based additive manufacturing of parts

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United States of America Patent

PATENT NO 10792908
APP PUB NO 20170192377A1
SERIAL NO

15386904

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Abstract

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In a method of producing a 3D part using an electrophotography-based additive manufacturing system, a plurality of layers of a powder-based material are developed using at least one electrophotography (EP) engine. The developed layers are transferred to a transfer medium. The layers on the transfer medium are dried by heating the layers without fully fusing the powder-based material to itself using a dryer. This reduces a water content of the layers. The dried layers are heated on the transfer medium to at least a fusion temperature, at which the power-based material fuses together, using a pre-transfusion heater. The dried layers are then transfused together on a build platform using a transfusion assembly to build the part in a layer-by-layer manner.

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Patent Owner(s)

  • EVOLVE ADDITIVE SOLUTIONS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Batchelder, J Samuel Somers, US 120 4978
Chillscyzn, Steven A Victoria, US 26 1058
Chowdry, Arun Maple Grove, US 42 763

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