Patents Assigned to Voxeljet AG
  • Patent number: 10442170
    Abstract: The invention relates to a device, a special paper and a method for producing three-dimensional objects.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: October 15, 2019
    Assignee: VOXELJET AG
    Inventors: Daniel Günther, Ingo Ederer
  • Patent number: 10343301
    Abstract: A method for producing molded parts (16), a water-soluble casting mold (6) being produced in a first step using a layering method, in particular using a powder bed-based layering method. In a second step, the surface of the casting mold (6) is sealed with the aid of a material (9; 10). A casting of the molded part (16) is then formed by filling the casting mold (6) with a free-flowing, hardenable material (13), in particular a hydraulically setting material. After the casting has solidified, the casting mold (6) is dissolved with the aid of an aqueous solution (18), in particular a heated aqueous solution (18). The present application furthermore relates to a material system for producing a water-soluble casting mold (6), comprising at least one water-soluble material for building a casting mold (6) in a layering method, as well as comprising at least one material (9; 10) for sealing the surface of the casting mold (6).
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: July 9, 2019
    Assignees: VOXELJET AG, FLUIDSOLIDS AG
    Inventors: Daniel Günther, Ingo Gnüchtel, Beat Karrer
  • Patent number: 10226919
    Abstract: The present invention relates to articles prepared 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: November 8, 2016
    Date of Patent: March 12, 2019
    Assignee: VOXELJET AG
    Inventor: Ingo Ederer
  • Patent number: 10220567
    Abstract: The present invention relates to a method for producing three-dimensional objects based on computer data by repeated application in layers of a medium containing particulate material and selective solidification of the medium, whereby a feedstock made of medium in a build space is provided and a layer application of the medium takes place on a surface of the feedstock bordering the build space at an angle ? and a solidification according to computer data occurs by use of a solidification unit, characterized in that the feedstock is not moved during build-up of the object.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: March 5, 2019
    Assignee: VOXELJET AG
    Inventors: Johannes Günther, Daniel Günther, Andreas Hartmann
  • Patent number: 10220568
    Abstract: The invention relates to a device for producing three-dimensional models.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: March 5, 2019
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Daniel Günther
  • Patent number: 10213831
    Abstract: The invention relates to a device for producing three-dimensional models, comprising a coater, which includes an ejection opening, at least one print head, which is mounted on a print axis, the ejection opening of the coater being disposed toward the top in the coating direction, and the print head being disposed counter to the coating direction with the opposite orientation on the printing axis behind the coater in the coating direction; the invention also relates to a method for producing three-dimensional models.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: February 26, 2019
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Andreas Dominik Hartmann, Dominik Schmid
  • Patent number: 10213938
    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: August 1, 2016
    Date of Patent: February 26, 2019
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Rainer Hochsmann
  • Publication number: 20190047218
    Abstract: The invention relates to a device and a method for producing three-dimensional shaped parts by means of a layer construction method on a construction field in a construction space of a device, wherein materials are supplied to and discharged from the construction space. A supplying and discharging of all materials is carried out in a spatial direction of the device.
    Type: Application
    Filed: September 13, 2016
    Publication date: February 14, 2019
    Applicant: voxeljet AG
    Inventors: Ingo EDERER, Daniel GÜNTHER
  • Patent number: 10179365
    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: February 7, 2018
    Date of Patent: January 15, 2019
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Daniel Günther, Andreas Dominik Hartmann
  • Patent number: 10099426
    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 having an ejection system.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: October 16, 2018
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Andreas Hartmann
  • Patent number: 10093065
    Abstract: The invention relates to a device and a method for 3D printing with accelerated method execution.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: October 9, 2018
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Daniel Günther
  • Patent number: 10059062
    Abstract: The invention relates to a device for producing three-dimensional models in a continuous process, comprising a build surface which has a first end in the direction of movement and a second end in the direction of movement, at least one dosing device and at least one solidification unit, characterized in that the build surface is designed to transport heavy components, and the components are transportable over the build surface essentially without distortion, and also comprising a method therefor.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: August 28, 2018
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Andreas Dominik Hartmann
  • Patent number: 10059058
    Abstract: The invention relates to a device (1) for building a layer body (2) from a plurality of superimposed layers of free-flowing material, in particular particulate material, on a building platform (3) in a build space (4), the layers being solidified and joined to each other in locally predetermined areas, so that at least one layer body (2) is formed by the solidified and joined areas of the layers, including an elongated discharge container (5), which is movable back and forth over the build space (4]) in at least one discharge direction and which has at least one discharge opening (6) from which the free-flowing material is dischargeable in individual superimposed layers during the movement of the discharge container (5), it being possible to supply the discharge container (5) with free-flowing material from a filling device with at least one storage or filling container (10) having at least one outflow opening (11) by vertically covering the at least one outflow opening (11) of the storage or filling containe
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: August 28, 2018
    Assignee: VOXELJET AG
    Inventors: Andreas Dominik Hartmann, Dominik Schmid
  • Patent number: 10052682
    Abstract: The present invention relates to a multi-stage method for producing one or multiple molded bodies, the method comprising the following steps: a) constructing one or multiple molded bodies in layers by repeatedly applying particulate material by the 3D printing method; b. a presolidification step for achieving a presolidification of the molded body; c. an unpacking step, wherein the unsolidified particulate material is separated from the presolidified molded body; d. a final solidification step, in which the molded body receives its final strength due to the action of thermal energy. The invention also relates to a device which may be used for this method.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: August 21, 2018
    Assignee: VOXELJET AG
    Inventors: Ingo Ederer, Daniel Günther
  • Patent number: 9993975
    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, said movement provided by at least two vertical positioning units on the support frame. In this respect, it is provided that the positioning units are respectively separate components and are arrangeable on the support frame independently from one another and the location and orientation of such can be adjusted independently from one another.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: June 12, 2018
    Assignee: VOXELJET AG
    Inventors: Andreas Dominik Hartmann, Ingo Ederer
  • Patent number: 9981426
    Abstract: The invention relates to a method for producing three-dimensional models by means of a layering technique, particulate build material being applied to a build space in a layer, and a binder fluid then being selectively applied to the build material, proceeding in layers, and these steps being repeated until the desired model is produced, a controlled air flow being conducted through the applied build material, as well as a device for carrying out the method and thus produced models.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: May 29, 2018
    Assignee: VOXELJET AG
    Inventors: Daniel Günther, Johannes Günther
  • Patent number: 9962885
    Abstract: The present invention relates to a device for manufacture of three-dimensional models by means of a 3D printing process, whereby a spreader device is used to deposit particulate material in layers on a build platform and the particulate material flow, which occurs perpendicular to the spreading direction, is transferred into containers that are actively cleaned by sliders or brushes at the spreader device. It exploits the fact that particulate material that is moves dynamically can only bridge small height differences. The arrangement can be implemented in a space-saving manner beneath the spreading plane.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: May 8, 2018
    Assignee: VOXELJET AG
    Inventors: Daniel Gunther, Johannes Gunther
  • Patent number: 9943981
    Abstract: The invention relates to a method for producing three-dimensional molded parts in two method steps and infiltrating the molded part, as well as a material system.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: April 17, 2018
    Assignee: VOXELJET AG
    Inventor: Daniel Günther
  • Patent number: 9931762
    Abstract: The invention relates to a method for switching a particulate material flow in the construction of models in layers, wherein particulate materials (4) are fed to a subsequent method step from a container (1) having an opening in the direction of a workpiece platform. The particles (14) in the container (1) are exposed to a vacuum and to overpressure.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: April 3, 2018
    Assignee: VOXELJET AG
    Inventor: Andreas Dominik Hartmann
  • Patent number: 9925721
    Abstract: The present invention relates to a device for manufacture of three-dimensional models by means of a 3D printing process, whereby the build material is deposited on a build platform in layers and the build platform is moveable in the Z-direction and one or several drive units and one or several guide elements is/are provided to move the build platform. In so doing, drive units and guiding elements are arranged in such a way that a movement of the drive units is decoupled from the movement of the guiding elements.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: March 27, 2018
    Assignee: VOXELJET AG
    Inventors: Josef Grasegger, Andreas Dominik Hartmann