Country
Full text data for US,EP,CN
Type
Legal Validity
Legal Status
Filing Date
Publication Date
Inventor
Assignee
Click to expand
IPC(Section)
IPC(Class)
IPC(Subclass)
IPC(Group)
IPC(Subgroup)
Agent
Agency
Claims Number
Figures Number
Citation Number of Times
Assignee Number
No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
Application Number Application Number Filing Date Filing Date
Inventor Inventor Assignee Assignee IPC IPC
1
EP3736112A1
METHOD FOR DETERMINING AN OPERATIONAL PARAMETER FOR AN IMAGING DEVICE
Publication/Patent Number: EP3736112A1 Publication Date: 2020-11-11 Application Number: 19173374.0 Filing Date: 2019-05-08 Inventor: Klaußner, Tim   Wachter, Martin   Assignee: Concept Laser GmbH   IPC: B29C64/393 Abstract: Method for determining an operational parameter for an imaging device (12) for imaging at least one part of a build plane (6), in particular for a determination device (11) for determining at least one parameter of an energy beam (5) for an apparatus (1) for additively manufacturing three-dimensional objects (2), comprising the steps - determining at least one spot parameter that relates to an extension of a spot (10, 10'), in particular a spot (10, 10') of an energy beam (5), in a determination plane - determining a difference between the determined spot parameter and a nominal spot parameter - determining an imaging parameter of the imaging device (12) based on the determined difference - adjusting the imaging parameter based on the determined difference.
2
EP3613561A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3613561A1 Publication Date: 2020-02-26 Application Number: 18190313.9 Filing Date: 2018-08-22 Inventor: Klaußner, Tim   Zeulner, Fabian   Assignee: Concept Laser GmbH   IPC: B29C64/153 Abstract: Apparatus (11) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (19) which can be consolidated by means of an energy source, wherein a position determination device (1) is provided that is adapted to determine position data relating to a position of at least one part (3) of at least one object (2) based on a detection of a reflected part (8) of an energy beam (16) or a measurement beam (5) that is reflected at the at least one part (3) of the at least one object (2).
3
EP3626433A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE
Publication/Patent Number: EP3626433A1 Publication Date: 2020-03-25 Application Number: 18195570.9 Filing Date: 2018-09-19 Inventor: Klaußner, Tim   Dicken, Christian   Gärber, Bertram   Assignee: Concept Laser GmbH   IPC: B29C64/153 Abstract: Method for calibrating an irradiation device (2) of an apparatus (1) for additively manufacturing 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 (6, 10), which irradiation device (2) comprises at least two irradiation units (3, 4), wherein a first irradiation unit (3) is adapted to generate at least one first energy beam (6) and guide the first energy beam (6) via a first beam guiding unit (7) in a first guiding region of a build plane (8), wherein a second irradiation unit (4) is adapted to generate at least one second energy beam (10) and guide the second energy beam (10) via a second beam guiding unit (11) in a second guiding region of a build plane (8), comprising the steps: - guiding one of the at least two energy beams (6, 10) via the corresponding irradiation unit (3, 4) to a determination region (15), preferably a part of a build plane (8), for generating a calibration pattern (18, 19) - imaging at least one part of the determination region (15) to an on-axis determination unit (12, 14) of the at least one other irradiation unit (3, 4) - determining a position of the calibration pattern (18, 19) in the determination region (15) on basis of the image of the at least one part of the determination region (15) - generating calibration information relating to a calibration status of at least one part of the irradiation device (2) based on the position of the calibration pattern (18, 19).
4
EP3495117A1
APPARATUS AND METHOD FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3495117A1 Publication Date: 2019-06-12 Application Number: 17206272.1 Filing Date: 2017-12-08 Inventor: Hunze, Stephan   Ebert, Marie-christin   Bokkes, Tobias   Zeulner, Fabian   Schumann, Philipp   Klaußner, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/393 Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation (8) and consolidation of layers of a build material (3) which can be consolidated by means of an energy source, comprising a determination device (13) adapted to determine at least one parameter of radiation (8) emitted from a build plane (6), wherein an optical unit (19) is provided that is adapted to guide at least a part of the radiation (8) emitted from the build plane (6) to a determination unit (14, 15) of the determination device (13) and to reduce radiation (10) emitted from at least a central part of a consolidation zone (9) of the build plane (6) in the at least one guided part of the radiation (8).
5
EP3495143A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3495143A1 Publication Date: 2019-06-12 Application Number: 17206268.9 Filing Date: 2017-12-08 Inventor: Bokkes, Tobias   Schumann, Philipp   Hunze, Stephan   Klaußner, Tim   Zeulner, Fabian   Ebert, Marie-christin   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B33Y10/00 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 at least one energy beam (4), which apparatus (1) comprises an irradiation device (5) with at least one beam guiding element (7) on which the energy beam (4) is partially reflected, wherein a first beam part (10) extends between the beam guiding element (7) and a build plane (18) of the apparatus (1) and a second beam part (11) is transmitted through or scattered at the beam guiding element (7), wherein a determination device (12) is provided that is adapted to determine at least one parameter of the second beam part (11).
6
EP3524411A1
METHOD FOR CALIBRATING AT LEAST ONE APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3524411A1 Publication Date: 2019-08-14 Application Number: 18156128.3 Filing Date: 2018-02-09 Inventor: Klaußner, Tim   Bokkes, Tobias   Wachter, Martin   Zeulner, Fabian   Ebert, Marie-christin   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/393 Abstract: Method for calibrating at least one apparatus (1) for additively manufacturing 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 that can be generated via an irradiation element of an irradiation device (7) of the apparatus (1), wherein a determination unit (2) is provided for determining at least one parameter of radiation (3) inside a process chamber (5), wherein a calibration beam source (4) is arranged or generated inside the process chamber (5) of the apparatus (1), in particular in a build plane (9) or a region above the build plane (9), wherein at least one parameter, in particular the intensity, of radiation (3) emitted by the calibration beam source (4) is determined via the determination unit (2) and in that the irradiation device (7) and/or the determination unit (2) are calibrated dependent on the at least one determined parameter.