Patents Assigned to Voxeljet AG
  • Patent number: 9914169
    Abstract: The present invention relates to a method for producing three-dimensional objects based on computer-provided data, whereby a material is deposited in layers in a process chamber and the material is selectively solidified and/or bonded using a bonding apparatus and/or a solidifying apparatus in the process chamber, these steps being repeated. A conveyance of the material proceeds during the build process and proceeds continuously, sequentially and evenly up to an unpacking position.
    Type: Grant
    Filed: April 10, 2011
    Date of Patent: March 13, 2018
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Daniel Gunther, Andreas Dominik Hartmann
  • Patent number: 9878494
    Abstract: The invention relates to a device for constructing models in layers. A region for constructing models, preferably a construction platform, and a material applying device (4, 5) for applying material onto the region are provided. The material applying device (4, 5) is arranged in a movable manner over the region. The material applying device (4, 5) is designed as a portal (1, 1?) such that the material applying device can be moved over the region at least via two linear guides (2) arranged at opposite sides of the region, and the material applying device is arranged around the region such that a portal (1, 1?) is formed by at least two portions that extend laterally with respect to the region. At least one additional material applying device (4, 5) for applying an additional material onto the region is provided.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: January 30, 2018
    Assignee: VOXELJET AG
    Inventors: Andreas Dominik Hartmann, Ingo Ederer
  • Patent number: 9815243
    Abstract: The present invention relates to a device for manufacturing three-dimensional models by means of a 3D printing process, whereby a build platform for application of build material is provided and a support frame is arranged around the build platform, to which said support frame at least one device for dosing the particulate material and one device for bonding the particulate material is attached via the guiding elements and the support frame is moveable in a Z direction, which essentially means perpendicular to the base surface of the build platform. In so doing, the device provides a material feeding device having a particle material container to supply particulate material in batches from the storage area to the dosing apparatus and to do so with the least possible amount of shearing forces and without significant interaction with the atmosphere.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: November 14, 2017
    Assignee: VOXELJET AG
    Inventor: Andreas Dominik Hartmann
  • Publication number: 20170305139
    Abstract: The invention relates to a method and a device for the continuous production of components (8) made of amorphous build material, such as particulate material or spreadable pastes, wherein the build material is applied in layers, and the [build material] is applied to a feedstock (1) that is preferably moved essentially horizontally in the form of an arc, and/or wherein the feedstock uses or has a seal with the aid of a feedstock seal.
    Type: Application
    Filed: October 12, 2015
    Publication date: October 26, 2017
    Applicant: Voxeljet AG
    Inventor: Andreas Hartmann
  • Patent number: 9770867
    Abstract: The present invention describes a method for building modes in layers, wherein a first material and subsequent thereto selectively a second material are applied in layers in a build space, and these two application steps are repeated until a desired model is obtained. The two materials form a solid object in a suitable mixing ratio, the first material including a particulate material and the second material being applied with the aid of a print head. The first material, the second material and/or the particulate material include one or more diamines and/or one or more dicarbonyl compounds as tree binder.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: September 26, 2017
    Assignee: VOXELJET AG
    Inventors: Florian Mögele, Imke Nora Kellner
  • Patent number: 9757831
    Abstract: The instant invention relates to a method for assembling a device for the manufacturing patterns in layers. The method includes attaching a build module to a casing. The build module includes a spreader device and a dispensing device mounted above a mounting platform. The build module preferably includes a build platform mounted below the mounting platform. For example, the build module may be attached to the casing by screwing the mounting platform to the casing.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: September 12, 2017
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Andreas Hartmann
  • Publication number: 20170210037
    Abstract: The invention relates to a casting mold, in particular for use in cold casting methods, which is produced with the aid of a powder-based layering method, the final casting mold having a treated surface.
    Type: Application
    Filed: July 30, 2015
    Publication date: July 27, 2017
    Applicant: VOXELJET AG
    Inventors: Ingo Ederer, Daniel Günther, Anton Gruber
  • Patent number: 9676143
    Abstract: The invention relates to a self-hardening material for layerwise construction of three-dimensional components, whereby the material comprises at least one particulate material and a separately applied bonding agent for bonding the particulate material, and has a setting time which is at least several times as long as the application time of a particulate layer.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: June 13, 2017
    Assignee: VOXELJET AG
    Inventor: Kaveh Kashani-Shirazi
  • Patent number: 9656423
    Abstract: The present invention relates to a device for manufacturing three-dimensional models by means of a 3D printing process, whereby a build platform for application of build material is provided and a support frame is arranged around the build platform, to which said support frame at least one device for dosing the particulate material and one device for bonding the particulate material is attached via the guiding elements and the support frame is moveable in a Z direction, which essentially means perpendicular to the base surface of the build platform. In so doing, the device provides a material feeding device having a particle material container to supply particulate material in batches from the storage area to the dosing apparatus and to do so with the least possible amount of shearing forces and without significant interaction with the atmosphere.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: May 23, 2017
    Assignee: VOXELJET AG
    Inventor: Andreas Dominik Hartmann
  • Patent number: 9649812
    Abstract: The invention relates to a device (13) for constructing a laminar body (5) from a plurality of superimposed layers of free-flowing material, in particular particulate material, an a build platform (6) within a working area (11). The layers are solidified in locally predetermined regions by the actions of binders and are joined together so that at least one molded body (4) is formed by the solidified and joined regions of the layers. The device comprises a discharging device (1) movable back and forth over the working area (11) in at least one discharge direction and having at least one discharge opening (14) from which the free-flowing material can be discharged in individual superimposed layers during the movement of the discharging device (1).
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: May 16, 2017
    Assignee: VOXELJET AG
    Inventors: Andreas Dominik Hartmann, Dominik Schmid
  • Patent number: 9643360
    Abstract: The invention relates to a self-hardening material for layerwise construction of three-dimensional components, whereby the material comprises at least one particulate material and a separately applied bonding agent for bonding the particulate material, and has a setting time which is at least several times as long as the application time of a particulate layer.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: May 9, 2017
    Assignee: VOXELJET AG
    Inventor: Kaveh Kashani-Shirazi
  • Publication number: 20170106595
    Abstract: The invention relates to a method for producing 3D components, particulate material being applied in layers to a building platform in a closed build space and printing fluid being selectively applied, and these steps being repeated until a three-dimensional component is obtained, the relative humidity or the relative solvent concentration in the atmosphere in the build space being set to a selected value, and/or the temperature in the build space being set to a selected temperature.
    Type: Application
    Filed: March 27, 2015
    Publication date: April 20, 2017
    Applicant: VOXELJET AG
    Inventors: Daniel Günther, Johannes Günther, Ingo Gnüchtel, Massimo Russo
  • Patent number: 9505176
    Abstract: The present invention relates to a method for producing three-dimensional components, using a three-dimensional printing method, an auxiliary structure being additionally formed beyond an extension of the one or more components during the construction of components. The invention also relates to an auxiliary structure for components produced by means of three-dimensional printing methods, the auxiliary structure being constructed along with the component and extending beyond a dimension of the one or more components.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: November 29, 2016
    Assignee: VOXELJET AG
    Inventor: Ingo Ederer
  • Patent number: 9469074
    Abstract: The present invention relates to apparatus, devices and methods for conveying particulate material during the manufacture of patterns in layers, wherein powder is conveyed out of a reservoir into a spreader unit and, if applicable, excess powder fed to the spreader unit is again conveyed back into the reservoir and wherein this conveying takes place in a closed conveying circuit.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: October 18, 2016
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Andreas Hartmann
  • Patent number: 9463488
    Abstract: This document describes a process and a device for applying fluids, specifically particle material, on an area to be coated, which is viewed in forward moving direction of the coater, chat fluid is applied on the area to be coated and then a levelling element is run over the applied fluid, whereby the fluid is led from a metering system provided with an opening, which oscillates when applying the fluid. The opening shall be designed in such a way that when the metering system is at a standstill this is closed by forming an angle of repose of the fluid.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: October 11, 2016
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Kaveh Kashani-Shirazi
  • Publication number: 20160263828
    Abstract: The invention relates to a method, a device and a binding agent system for producing three-dimensional models.
    Type: Application
    Filed: October 29, 2014
    Publication date: September 15, 2016
    Applicant: Voxeljet AG
    Inventors: Ingo Ederer, Daniel Günther, Ulrich Recknagel, Florian Mögele
  • Patent number: 9403324
    Abstract: The invention relates to a method for producing a part using a deposition technique. A layered composite is built up in layers, the individual layers each containing particulate material and binding material as well as optionally, a treatment agent. The layers maintain a predetermined porosity. The layer composite is built up in the absence of hardening agent. Once construction is complete, the layer composite is hardened.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: August 2, 2016
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Rainer Hochsmann
  • Patent number: 9358701
    Abstract: A method is described here for the layerwise construction of models, wherein, in a building region, a particulate material is applied layerwise and selectively cured. These steps are repeated until a desired model is obtained. The material comprises in this case a particulate building material and a spray-dried alkali metal silicate solution. Selective activation of the curing proceeds using a water-comprising solution.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: June 7, 2016
    Assignee: VOXELJET AG
    Inventors: Ingo Gnüchtel, Daniel Günther, Ingo Ederer, Christian Lustig, Edgar Müller
  • Patent number: 9333709
    Abstract: The present invention relates to a device for manufacturing three-dimensional models by means of a 3D printing process, whereby a build platform for application of build material is provided and a support frame is arranged around the build platform, to which said support frame at least one device for dosing the particulate material and one device for bonding the particulate material is attached via the guiding elements and the support frame is moveable in a Z direction, which essentially means perpendicular to the base surface of the build platform. In so doing, the device provides a material feeding device having a particle material container to supply particulate material in batches from the storage area to the dosing apparatus and to do so with the least possible amount of shearing forces and without significant interaction with the atmosphere.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: May 10, 2016
    Assignee: VOXELJET AG
    Inventor: Andreas Dominik Hartmann
  • Patent number: 9321934
    Abstract: The present invention describes a method for building models in layers, wherein a first material and subsequent thereto selectively a second material are applied in layers in a build space, and these two application steps are repeated until a desired model is obtained. The two materials form a solid object in a suitable mixing ratio, the first material including a particulate material and the second material being applied with the aid of a print head. The first material, the second material and/or the particulate material include one or more diamines and/or one or more dicarbonyl compounds as the binder.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: April 26, 2016
    Assignee: VOXELJET AG
    Inventors: Florian Mögele, Imke Nora Kellner