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1
US10942062B2
Apparatus for additively manufacturing of three-dimensional objects
Publication/Patent Number: US10942062B2 Publication Date: 2021-03-09 Application Number: 15/812,513 Filing Date: 2017-11-14 Inventor: Stammberger, Jens   Winiarski, Daniel   Diller, Christian   Hetzel, Ralf   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B29C64/153 Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of a construction material (3) that can be solidified by means of laser radiation in a process chamber (10) of the apparatus, comprising an exposure device (5) provided for generating laser radiation for selective exposure and thus selective solidification of respective construction material layers, and a detection device (11) provided for detecting the entering of laser radiation into a process chamber limiting element at least partially limiting the process chamber (10) and/or for detecting the penetration of laser radiation through a process chamber limiting element at least partially limiting the process chamber (10).
2
US2020122398A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2020122398A1 Publication Date: 2020-04-23 Application Number: 16/294,544 Filing Date: 2019-03-06 Inventor: Diller, Christian   Assignee: CONCEPT LASER GMBH   IPC: B29C64/371 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects, which apparatus (1) comprises an irradiation device (4) that is fixed in position, in particular with at least one static beam guiding unit, and at least one stream generating device (9) that is adapted to generate a gas stream (10) inside a process chamber (8) of the apparatus (1) that can be charged with residues (7) generated in an additive manufacturing process performed on the apparatus (1), wherein the stream generating device (9) comprises at least one stream generating unit generating a gas stream (10) over a build plane (6) between at least one stream intake (11) and at least one corresponding stream outlet (12), wherein the at least one stream intake (11) and/or the at least one stream outlet (12) are moveable relative to the build plane (6).
3
EP3640010A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3640010A1 Publication Date: 2020-04-22 Application Number: 18201346.6 Filing Date: 2018-10-18 Inventor: Diller, Christian   Assignee: Concept Laser GmbH   IPC: B29C64/35 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (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 an irradiation device (4) that is fixed in position, in particular with at least one static beam guiding unit, and at least one stream generating device (9) that is adapted to generate a gas stream (10) inside a process chamber (8) of the apparatus (1) that can be charged with residues (7) generated in an additive manufacturing process performed on the apparatus (1), wherein the stream generating device (9) comprises at least one stream generating unit generating a gas stream (10) over a build plane (6) between at least one stream intake (11) and at least one corresponding stream outlet (12), wherein the at least one stream intake (11) and/or the at least one stream outlet (12) are moveable relative to the build plane (6).
4
US2020230882A1
SIEVING UNIT FOR SIEVING BUILD MATERIAL
Publication/Patent Number: US2020230882A1 Publication Date: 2020-07-23 Application Number: 16/294,908 Filing Date: 2019-03-06 Inventor: Eideloth, Dominik   Diller, Christian   GrÜbert, Fabian   Assignee: CONCEPT LASER GMBH   IPC: B29C64/314 Abstract: Sieving unit (1) for sieving build material (4) for an apparatus for additively manufacturing three-dimensional objects, which sieving unit (1) comprises a moving unit (17), in particular a vibrating unit, that is adapted to move a sieving element (2) for generating a sieving movement and conveying build material (4) to be sieved across the sieving element (2), wherein the sieving unit (1) comprises a determination unit (24) adapted to determine capacity information of the sieving element (2) relating to an amount of build material (4) to be sieved which is conveyed across the sieving element (2).
5
EP3431258B1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3431258B1 Publication Date: 2020-03-11 Application Number: 17182649.8 Filing Date: 2017-07-21 Inventor: Hofmann, Alexander   Diller, Christian   Albanus, Ullrich   Daneschwar, Payam   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153
6
EP3682978A1
SIEVING UNIT FOR SIEVING BUILD MATERIAL
Publication/Patent Number: EP3682978A1 Publication Date: 2020-07-22 Application Number: 19152636.7 Filing Date: 2019-01-18 Inventor: Eideloth, Dominik   Diller, Christian   Grübert, Fabian   Assignee: Concept Laser GmbH   IPC: B07B13/18 Abstract: Sieving unit (1) for sieving build material (4) for an apparatus for additively manufacturing three-dimensional objects, which sieving unit (1) comprises a moving unit (17), in particular a vibrating unit, that is adapted to move a sieving element (2) for generating a sieving movement and conveying build material (4) to be sieved across the sieving element (2), wherein the sieving unit (1) comprises a determination unit (24) adapted to determine capacity information of the sieving element (2) relating to an amount of build material (4) to be sieved which is conveyed across the sieving element (2).
7
US10821387B2
Apparatus for additive manufacturing of three-dimensional objects
Publication/Patent Number: US10821387B2 Publication Date: 2020-11-03 Application Number: 15/812,417 Filing Date: 2017-11-14 Inventor: Stammberger, Jens   Diller, Christian   Hetzel, Ralf   Assignee: CONCEPT LASER GMBH   IPC: B01D46/00 Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (3) that can be solidified by means of an energy beam, comprising a pipe structure (12), and a filter device (7) that is connected to the pipe structure (12), provided for filtering the process gas (9), wherein the filter device (7) comprises several filter modules (14) that can be or are arranged exchangeably connected to the pipe structure (12).
8
EP3636416A1
ADAPTIVE RECOATER BLADE FOR A 3D PRINTER
Publication/Patent Number: EP3636416A1 Publication Date: 2020-04-15 Application Number: 18199717.2 Filing Date: 2018-10-10 Inventor: Schmidbauer, Christoph   Wohlfarth, Dagmar   Diller, Christian   Hiemann, Denise   Petratschek, André   Assignee: Concept Laser GmbH   IPC: B29C64/214 Abstract: Application unit (1) for applying, in particular powdery, build material in a build plane (2) in a process chamber (3) of an apparatus (4) for additively manufacturing three-dimensional objects, which application unit (1) comprises an application element (5) carried by an application element carrier (6), characterized in that the application element (5) is coupled to the application element carrier (6) via at least one deflection unit (9).
9
EP3291966B1
DEVICE FOR PRODUCING THREE-DIMENSIONAL OBJECTS BY SUCCESSIVELY SOLIDIFYING LAYERS AND AN ASSOCIATED METHOD
Publication/Patent Number: EP3291966B1 Publication Date: 2020-04-29 Application Number: 16713437.8 Filing Date: 2016-03-31 Inventor: Herzog, Frank   Bechmann, Florian   Zeulner, Fabian   Lippert, Markus   Stammberger, Jens   Diller, Christian   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C67/00
10
US2020114424A1
APPLICATION UNIT
Publication/Patent Number: US2020114424A1 Publication Date: 2020-04-16 Application Number: 16/294,053 Filing Date: 2019-03-06 Inventor: Schmidbauer, Christoph   Wohlfarth, Dagmar   Diller, Christian   Hiemann, Denise   Petratschek, André   Assignee: CONCEPT LASER GMBH   IPC: B22F3/105 Abstract: Application unit (1) for applying, in particular powdery, build material in a build plane (2) in a process chamber (3) of an apparatus (4) for additively manufacturing three-dimensional objects, which application unit (1) comprises an application element (5) carried by an application element carrier (6), characterized in that the application element (5) is coupled to the application element carrier (6) via at least one deflection unit (9).
11
EP3670151A1
DEVICE AND AN ASSOCIATED METHOD FOR PRODUCING THREE-DIMENSIONAL OBJECTS BY SOLIDIFYING LAYERS ONE AFTER THE OTHER
Publication/Patent Number: EP3670151A1 Publication Date: 2020-06-24 Application Number: 20156686.6 Filing Date: 2016-03-31 Inventor: Herzog, Frank   Bechmann, Florian   Lippert, Markus   Zeulner, Fabian   Stammberger, Jens   Diller, Christian   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/214 Abstract: Die Erfindung betrifft eine Vorrichtung zum Herstellen von dreidimensionalen Objekten durch aufeinanderfolgendes Verfestigen von Schichten eines mittels Strahlung verfestigbaren Aufbaumaterials an dem den jeweiligen Querschnitt des Objektes entsprechenden Stellen, mit einem eine Prozesskammer umfassenden Gehäuse, einem darin untergebrachten Baubehälter, einer Bestrahlungsvorrichtung zum Bestrahlen von Schichten des Aufbaumaterials an den dem jeweiligen Querschnitt des Objektes entsprechenden Stellen, einer Aufbringvorrichtung zum Aufbringen der Schichten des Aufbaumaterials auf eine Tragevorrichtung im Baubehälter oder eine zuvor gebildete Schicht, einer Dosiereinrichtung zum Zuführen des Aufbaumaterials, wobei die Aufbringvorrichtung ein Beschichterelement umfasst, dass das von der Dosiereinrichtung zugeführte Aufbaumaterial als dünne Schicht in einem Auftragbereich entlang einer linearen Auftragbewegung verteilt, dadurch gekennzeichnet, dass das Beschichterelement am Ende eines Beschichtungsvorganges für eine Schicht bei der Rückführung des Beschichterelementes 11 in eine Beschichtungsausgangslage eine Ausweich-Rückführbewegung (A,R,Z) ausführt, bei welcher das Beschichterelement 11 den Scannerstrahl-Raumbereich 30 zwischen der Bestrahlungsvorrichtung 17 und einer aufgebrachten Schicht nicht kreuzt.
12
EP3392019B1
DEVICE AND AN ASSOCIATED METHOD FOR PRODUCING THREE-DIMENSIONAL OBJECTS BY SOLIDIFYING LAYERS ONE AFTER THE OTHER
Publication/Patent Number: EP3392019B1 Publication Date: 2020-04-29 Application Number: 18176111.5 Filing Date: 2016-03-31 Inventor: Herzog, Frank   Dr., Bechmann Florian   Zeulner, Fabian   Lippert, Markus   Stammberger, Jens   Diller, Christian   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/214
13
EP3392020B1
DEVICE AND AN ASSOCIATED METHOD FOR PRODUCING THREE-DIMENSIONAL OBJECTS BY SOLIDIFYING LAYERS ONE AFTER THE OTHER
Publication/Patent Number: EP3392020B1 Publication Date: 2020-01-29 Application Number: 18176112.3 Filing Date: 2016-03-31 Inventor: Herzog, Frank   Dr., Bechmann Florian   Zeulner, Fabian   Lippert, Markus   Stammberger, Jens   Diller, Christian   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/214
14
US2019143602A1
METHOD FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019143602A1 Publication Date: 2019-05-16 Application Number: 16/151,817 Filing Date: 2018-10-04 Inventor: Diller, Christian   Lang, Rainer   Assignee: CONCEPT LASER GMBH   IPC: B29C64/371 Abstract: Method for additively manufacturing three-dimensional objects, whereby flow of an inert process gas, preferably an inert gas or containing inert gas, is created, the inert process gas flowing through a chamber (3, 10) of at least one build apparatus (2) which is configured to additively manufacture three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (3) which can be consolidated by means of an energy beam, and/or through a chamber of at least one apparatus (2) which is configured to perform at least one pre-processing step of an additive manufacturing process, and/or through a chamber of at least one at least one apparatus (2) which is configured to perform at least one post-processing step of an additive manufacturing process, wherein the flow of process gas displaces a certain volume of fluid from the chamber (3, 10).
15
EP3486070A1
METHOD FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3486070A1 Publication Date: 2019-05-22 Application Number: 17201943.2 Filing Date: 2017-11-15 Inventor: Diller, Christian   Lang, Rainer   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/371 Abstract: Method for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material which can be consolidated by means of an energy beam, whereby flow of an inert process gas, preferably an inert gas or containing inert gas, is created, the inert process gas flowing through a chamber (3, 10) of at least one build apparatus (2) which is configured to additively manufacture three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (3) which can be consolidated by means of an energy beam, and/or through a chamber of at least one apparatus (2) which is configured to perform at least one pre-processing step of an additive manufacturing process, and/or through a chamber of at least one at least one apparatus (2) which is configured to perform at least one post-processing step of an additive manufacturing process, wherein the flow of process gas displaces a certain volume of fluid from the chamber (3, 10), characterized in that the fluid displaced from the chamber (3, 10) is at least partially collected and/or fed back into the or a chamber (3) of at least one apparatus.
16
US2019099949A1
POWDER MODULE DEVICE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019099949A1 Publication Date: 2019-04-04 Application Number: 16/125,027 Filing Date: 2018-09-07 Inventor: Stammberger, Jens   Diller, Christian   Gagel, Tobias   Hofmann, Alexander   Assignee: CONCEPT LASER GMBH   IPC: B29C64/259 Abstract: Powder module device (1) for an apparatus for additively manufacturing three-dimensional objects by successive layerwise selective irradiation and consolidation of layers of a powdered build material (2). The device includes a powder module (3), comprising a powder module base body (6) to receive a powdered build material (2), comprising wall elements delimiting a build material receiving volume (9) for receiving a powdered build material (2) and an opening (10) for introducing powdered build material (2) into the build material receiving volume (9); a lid (4), comprising a lid base body (11) connected to the powder module base body (6) so as to close the opening (10) of the powder module base body (6) in a closed state of the powder module device (1); and a sealing device (5) configured to seal between the powder module (3) and the lid (4) in the closed state of the powder module device (1).
17
US2019022940A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US2019022940A1 Publication Date: 2019-01-24 Application Number: 16/022,538 Filing Date: 2018-06-28 Inventor: Hofmann, Alexander   Diller, Christian   Albanus, Ulrich   Daneschwar, Payam   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B29C64/268 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, with a stream generating unit (2) configured to generate a stream of a process gas (3) being capable of being charged with particles (4), in particular non-consolidated particulate build material and/or smoke and/or smoke residues, generated during operation of the apparatus (1) and a filter unit (5) configured to separate particles (4) from the stream of process gas (3), wherein the filter unit (5) comprises a filter chamber (6) with at least one filter element (7) at least partly arranged in the streaming path of the generated stream of process gas (3), wherein particles (4) in the stream of process gas (3) are separated from the process gas (3) by the filter element (7).
18
US201922940A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US201922940A1 Publication Date: 2019-01-24 Application Number: 20/181,602 Filing Date: 2018-06-28 Inventor: Hofmann, Alexander   Diller, Christian   Daneschwar, Payam   Albanus, Ulrich   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B29C64/159 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, with a stream generating unit (2) configured to generate a stream of a process gas (3) being capable of being charged with particles (4), in particular non-consolidated particulate build material and/or smoke and/or smoke residues, generated during operation of the apparatus (1) and a filter unit (5) configured to separate particles (4) from the stream of process gas (3), wherein the filter unit (5) comprises a filter chamber (6) with at least one filter element (7) at least partly arranged in the streaming path of the generated stream of process gas (3), wherein particles (4) in the stream of process gas (3) are separated from the process gas (3) by the filter element (7).
19
EP3466687A1
POWDER MODULE DEVICE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3466687A1 Publication Date: 2019-04-10 Application Number: 17194818.5 Filing Date: 2017-10-04 Inventor: Stammberger, Jens   Diller, Christian   Gagel, Tobias   Hofmann, Alexander   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B33Y30/00 Abstract: Powder module device (1) for an apparatus for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (2) which can be consolidated by means of an energy beam, comprising a powder module (3), comprising a powder module base body (6) configured to receive a powdered build material (2), comprising a number of wall elements, particularly a bottom wall element (7) and at least one side wall element (8), delimiting a build material receiving volume (9) for receiving a powdered build material (2) and an opening (10) for introducing powdered build material (2) into the build material receiving volume (9); a lid (4), comprising a lid base body (11) configured to be connected to the powder module base body (6) so as to close the opening (10) of the powder module base body (6) in a closed state of the powder module device (1); and a sealing device (5) configured to seal, particularly fluid-proof, between the powder module (3) and the lid (4) in the closed state of the powder module device (1), the sealing device (5) comprising at least one expandable sealing element (12), the expandable sealing element (12) comprising at least one expandable volume (13) which is at least partly fillable with a, particularly pressurized, expansion medium so as to expand the expandable sealing element (12) from a first expansion state to a second expansion state.
20
EP3492242A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3492242A1 Publication Date: 2019-06-05 Application Number: 19152173.1 Filing Date: 2017-07-21 Inventor: Diller, Christian   Albanus, Ullrich   Daneschwar, Payam   Hofmann, Alexander   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, with a stream generating unit (2) configured to generate a stream of a process gas (3) being capable of being charged with particles (4), in particular non-consolidated particulate build material and/or smoke and/or smoke residues, generated during operation of the apparatus (1) and a filter unit (5) configured to separate particles (4) from the stream of process gas (3), wherein the filter unit (5) comprises a filter chamber (6) with at least one filter element (7) at least partly arranged in the streaming path of the generated stream of process gas (3), wherein particles (4) in the stream of process gas (3) are separated from the process gas (3) by the filter element (7), wherein a particle reception chamber (13, 26, 28) is separably connected or connectable to a particle outlet (11) of the filter chamber (6) and configured to receive the particles (4) separated from the process gas (3).
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