Patents by Inventor Jonas Kuenzel

Jonas Kuenzel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220001619
    Abstract: The present invention relates to a method for functionalizing a workpiece surface, comprising the following steps: a) providing a workpiece; b) providing a film; c) functionalizing at least one film side by the location-selective application of a functionalization composition comprising a polymer material onto part of the film side in one or more layers by means of a 3D printing process; d) creating an integrally bonded or interlocking connection between the workpiece surface and the film functionalized in step c) by bringing the film into contact with at least part of the workpiece surface, wherein the integrally bonded or interlocking connection to the workpiece surface is achieved with a functionalized film side. The invention further relates to workpieces having a surface functionalized according to the invention.
    Type: Application
    Filed: December 2, 2019
    Publication date: January 6, 2022
    Inventors: Dirk Achten, Nicolas Degiorgio, Jonas Kuenzel, Jari Birth, Thomas Buesgen
  • Patent number: 11213999
    Abstract: A method of applying a material comprising a fusible polymer comprises the step of: applying a filament of the at least partly molten material comprising a fusible polymer from a discharge opening of a discharge element to a first substrate. The fusible polymer has the following properties: a melting point (DSC, differential scanning calorimetry; 2nd heating at heating rate 5° C./min) within a range from ?35° C. to ?150° C.; a glass transition temperature (DMA, dynamic-mechanical analysis to DIN EN ISO 6721-1:2011) within a range from ??70° C. to ?110° C.; wherein the filament, during the application process, has an application temperature of ?100° C. above the melting point of the fusible polymer for ?20 minutes. There are furthermore blocked NCO groups present in the material comprising the fusible polymer.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: January 4, 2022
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Fabian Schuster, Nicolas Degiorgio, Jonas Kuenzel, Joerg Buechner, Wolfgang Arndt, Martin Melchiors, Harald Kraus
  • Publication number: 20210379817
    Abstract: The present invention relates to a method of producing an article, comprising the step of producing the article by means of an additive manufacturing method from a build material comprising an aromatic polycarbonate and interference pigments and/or pearlescent pigments from the group of the metal oxide-coated micas. The invention likewise relates to an article obtainable by the method. The build material further comprises ?0.05% by weight to ?3% by weight of anhydride-modified ?-olefin polymer.
    Type: Application
    Filed: October 21, 2019
    Publication date: December 9, 2021
    Inventors: Derk WANDNER, Ting LIU, Jonas KUENZEL
  • Publication number: 20210354376
    Abstract: The invention relates to a method for producing a treated object, comprising the steps: a) producing an object by means of additive manufacturing, the object being produced by the repeated arrangement, layer by layer, of at least one first material on a substrate spatially selectively in accordance with a cross-section of the object, the method comprising the additional method step: b) at least partially bringing the object, which is still on the substrate or has already been detached from the substrate and which has been produced by additive manufacturing, into contact with a liquid heated to ?T or a powder bed of a second material heated to ?T for a time ?1 minute in order to obtain the treated object, T standing for a temperature of ?25° C. The invention further relates to an object produced by a method of this type.
    Type: Application
    Filed: November 7, 2019
    Publication date: November 18, 2021
    Inventors: Dirk Achten, Frank-Stefan Stern, Christoph Tomczyk, Roland Wagner, Bettina Mettmann, Thomas Buesgen, Nicolas Degiorgio, Jonas Kuenzel, Maximilian Wolf
  • Publication number: 20210324177
    Abstract: The present invention relates to a fibre-reinforced 3D-printed elastic product (1, 3, 4, 7, 10, 12), wherein the product comprises a weight proportion of ?50% of a polymer having a mean molecular weight of ?5000 g/mol, measured by means of GPC, and a weight proportion of ?0.5% and ?20% of one or more fibres having an aspect ratio of ?100 and a length of ?3 cm and ?1000 cm, the product being produced at least in part by means of an FFF (Fused Filament Fabrication) method, and the product having a tensile modulus of ?1.5 GPa in the region of the fibre reinforcement and in the direction of the fibre symmetry axis. The product also has a tensile modulus, measured according to DIN EN ISO 527-1, of ?1.2 GPa in the region of the fibre reinforcement and perpendicular to the fibre symmetry axis, and has a yield strength of ?5%, measured according to DIN EN ISO 527-1, perpendicular to the fibre symmetry axis.
    Type: Application
    Filed: September 10, 2019
    Publication date: October 21, 2021
    Inventors: Dirk Achten, Nicolas Degiorgio, Jonas Kuenzel, Thomas Buesgen
  • Patent number: 11130278
    Abstract: The invention relates to a print head (100) for an additive fused deposition modelling method having a thermoplastic construction material, comprising:—at least one inlet (10) for receiving a construction material (11) into the print head;—at least one melt region, for melting the construction material (11), which is arranged downstream of the inlet (10) and is fluidically connected, at least temporarily, to the inlet (10); and—at least one first outlet (30) that is fluidically connected, at least temporarily, to the melt region (20), for discharging melted construction material (12) out of the melt region (29) at a first discharge rate; wherein—the print head (100) also comprises at least one second outlet (40) that is fluidically connected, at least temporarily, to the melt region (20) for discharging melted or non-melted construction material (11, 12) out of the melt region (20) at a second discharge rate; and—the first discharge rate can be influenced by a first discharge rate influencing device (50) for
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: September 28, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Dirk Achten, Thomas Büsgen, Levent Akbas, Nicolas Degiorgio, Jonas Künzel
  • Publication number: 20210252778
    Abstract: A method of applying a material comprising a fusible polymer comprises the step of: applying a filament of the at least partly molten material comprising a fusible polymer from a discharge opening of a discharge element to a first substrate. The fusible polymer has the following properties: a melting point (DSC, differential scanning calorimetry; 2nd heating at heating rate 5° C./min) within a range from ?35° C. to ?150° C.; a glass transition temperature (DMA, dynamic-mechanical analysis to DIN EN ISO 6721-1:2011) within a range from ??70° C. to ?110° C.; wherein the filament, during the application process, has an application temperature of ?100° C. above the melting point of the fusible polymer for ?20 minutes. There are furthermore blocked NCO groups present in the material comprising the fusible polymer.
    Type: Application
    Filed: July 12, 2019
    Publication date: August 19, 2021
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Fabian Schuster, Nicolas Degiorgio, Jonas Kuenzel, Joerg Buechner, Wolfgang Arndt, Martin Melchiors, Harald Kraus
  • Publication number: 20210245424
    Abstract: A method of applying a material comprising a fusible polymer comprises the step of: applying a filament of the at least partly molten material comprising a fusible polymer from a discharge opening of a discharge element to a first substrate. The fusible polymer has the following properties: a melting point (DSC, differential scanning calorimetry; 2nd heating at heating rate 5° C./min) within a range from ?35° C. to ?150° C.; a glass transition temperature (DMA, dynamic-mechanical analysis to DIN EN ISO 6721-1:2011) within a range from ??70° C. to ?110° C.; wherein the filament, during the application process, has an application temperature of ?100° C. above the melting point of the fusible polymer for ?20 minutes. There are still free NCO groups in the material including the fusible polymer.
    Type: Application
    Filed: July 12, 2019
    Publication date: August 12, 2021
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Fabian Schuster, Ralf Rott, Nicolas Degiorgio, Jonas Kuenzel, Joerg Buechner, Wolfgang Arndt, Martin Melchiors, Harald Kraus
  • Publication number: 20210138720
    Abstract: The invention relates to a method for producing an object, comprising the step of producing the object from a construction material by means of an additive manufacturing process, wherein the construction material comprises a plurality of thermoplastic polyurethane materials. The materials differ by at least one mechanical property such as the shore hardness or the elongation at break. The invention also relates to an object obtained according to said method.
    Type: Application
    Filed: April 23, 2018
    Publication date: May 13, 2021
    Inventors: Dirk ACHTEN, Thomas BÜSGEN, Michael KESSLER, Peter REICHERT, Roland WAGNER, Nicolas DEGIORGIO, Jonas KUENZEL, Ting LIU
  • Publication number: 20200325951
    Abstract: A deformable body, wherein the body is constructed from a multiplicity of layers of a polymer construction material and in which a construction direction is defined perpendicular to the layers. The body preferably comprises layers with a multiplicity of curve pairs (10) which are formed by the construction material and which run in the same direction as one another, the curve pairs comprise in each case two periodic curves (20, 30) running oppositely with respect to one another, and the curve pairs comprise portions of maximum spacing to one another (40, 41, 60, 61) and portions of minimum spacing to one another (50, 51, 70, 71).
    Type: Application
    Filed: November 23, 2018
    Publication date: October 15, 2020
    Inventors: Dirk Achten, Thomas Buesgen, Nicolas Degiorgio, Jonas Kuenzel, Ting Liu, Maximilian Wolf
  • Publication number: 20200306829
    Abstract: The present invention relates to a method for producing a treated object, comprising the steps of: applying a layer of particles to a target area; applying a liquid binder to a selected portion of the layer in accordance with a cross-section of the object, so that the particles in the selected portion are bonded; repeating the steps of applying a layer of particles and applying a binder for a plurality of layers so that the bonded portions of the adjacent layers are bonded to form an object, wherein at least a part of the particles comprises a meltable polymer. A binder which cures by cross-linking is preferably selected as the binder. The obtained object is at least partially contacted with a liquid heated to ?T or with a powder bed heated to ?T in order to obtain the treated object. T represents a temperature of ?25° C.
    Type: Application
    Filed: December 18, 2018
    Publication date: October 1, 2020
    Inventors: Dirk Achten, Thomas Buesgen, Roland Wagner, Jonas Kuenzel, Michael Kessler, Bettina Mettmann
  • Publication number: 20200130283
    Abstract: A method for producing an object from a filamentary building material in an additive fused deposition modelling process, comprising the steps of: providing the building material; transporting the building material into a printhead at a feed rate for the building material, wherein the building material is transported between a driven drive wheel and a second wheel; melting the building material by means of a heating device in the printhead; discharging the molten building material to a discharge location, corresponding to a selected cross section of the object to be produced, at a discharge rate through an orifice of the printhead, with relative movement of the printhead in relation to the discharge location at a predetermined speed to movement along a predetermined path, wherein the path has at each location a curvature that can assume a positive value, zero or a negative value; wherein a control unit controls at least the drive of the drive wheel, the heating device in the printhead and the movement of the p
    Type: Application
    Filed: June 26, 2018
    Publication date: April 30, 2020
    Inventors: Dirk Achten, Thomas Buesgen, Levent Akbas, Roland Wagner, Nicolas Degiorgio, Jonas Kuenzel
  • Publication number: 20190375150
    Abstract: The invention relates to a print head (100) for an additive fused deposition modelling method having a thermoplastic construction material, comprising:—at least one inlet (10) for receiving a construction material (11) into the print head;—at least one melt region, for melting the construction material (11), which is arranged downstream of the inlet (10) and is fluidically connected, at least temporarily, to the inlet (10); and—at least one first outlet (30) that is fludicially connected, at least temporarily, to the melt region (20), for discharging melted construction material (12) out of the melt region (29) at a first discharge rate; wherein—the print head (100) also comprises at least one second outlet (40) that is fluidically connected, at least temporarily, to the melt region (20) for discharging melted or non-melted construction material (11, 12) out of the melt region (20) at a second discharge rate; and—the first discharge rate can be influenced by a first discharge rate influencing device (50) for
    Type: Application
    Filed: February 27, 2018
    Publication date: December 12, 2019
    Applicant: Covestro Deutschland AG
    Inventors: Dirk ACHTEN, Thomas BÜSGEN, Levent AKBAS, Nicolas DEGIORGIO, Jonas KÜNZEL