Apparatus and method for building a three-dimensional article

The invention provides an apparatus for building a three-dimensional article in sequential cross-sectional layers, comprising: a powder delivery system comprising one or more reservoirs (1) for delivering a powder and a powder spreading system (2) ; a build chamber (3) comprising an outer wall, an i...

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Bibliographic Details
Main Author FEENSTRA FRITS KORNELIS
Format Patent
LanguageChinese
English
Published 05.11.2008
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CASTING
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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Summary:The invention provides an apparatus for building a three-dimensional article in sequential cross-sectional layers, comprising: a powder delivery system comprising one or more reservoirs (1) for delivering a powder and a powder spreading system (2) ; a build chamber (3) comprising an outer wall, an inner wall and a build platform (7) which is movable along the inner wall of the build chamber; and a powder recovery system (11) ; wherein at least 50% of the outer wall of the build chamber is in communication with the powder recovery system. The invention further provides a method building a three-dimensional article wherein use is made of said apparatus.
Bibliography:Application Number: CN200680041299