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1
US2020031054A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2020031054A1 Publication Date: 2020-01-30 Application Number: 16/289,656 Filing Date: 2019-03-01 Inventor: Pr xd6 bstle martin   Appel, Peter   Mahr, Jochen   StrÖßner, Johannes   Rommel, Daniel   Assignee: CONCEPT LASER GMBH   IPC: B29C64/371 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2, 2′) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy source, which apparatus (1) comprises a stream generating device (6) that is adapted to generate a gas stream (7, 7′) inside a process chamber (5) of the apparatus (1), wherein the stream generating device (6) is adapted to control at least one parameter relating to a composition of the gas stream (7, 7′).
2
US2019232369A1
BUILD MATERIAL APPLICATION DEVICE
Publication/Patent Number: US2019232369A1 Publication Date: 2019-08-01 Application Number: 16/181,196 Filing Date: 2018-11-05 Inventor: Appel, Peter   Mahr, Jochen   Pr xd6 bstle martin   StrÖßner, Johannes   Assignee: CONCEPT LASER GMBH   IPC: B33Y40/00 Abstract: Build material application device (5) for an apparatus (1) for additively manufacturing at least one three-dimensional object (2) by means of successive layerwise selective irradiation and consolidation of layers of build material (3) which can be consolidated by means of at least one energy beam (4), the build material application device (5) comprising: —at least one build material application element (8) configured to apply an amount of build material (3) in a build plane (E) of a respective apparatus (1) for additively manufacturing at least one three-dimensional object (2); —at least one spatter removal element (9) configured to remove spatters (10) present in a layer of build material (3) of a respective apparatus (1) for additively manufacturing a three-dimensional object (2), particularly to remove spatters (10) originating from a selective irradiation of the respective layer of build material (3).