Patents by Inventor Norbert Kalwa

Norbert Kalwa 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: 20220306821
    Abstract: The invention relates to a method for coating a planar workpiece. In order to provide a planar workpiece, which is produced from a workpiece having lignocellulose fibers and a proportion of more than 50 wt % binding agent and optionally filler, with improved performance characteristics, a method is provided having the following steps: providing the planar workpiece, which has an upper face and a lower face and a lateral surface, applying a coating, applying a decoration, optionally structuring the coating, at least on a portion of an upper face, a lower face, or a lateral surface, in each case, and optionally curing the coating.
    Type: Application
    Filed: January 9, 2020
    Publication date: September 29, 2022
    Applicant: SWISS KRONO TEC AG
    Inventors: Roger Braun, Joachim Hasch, Norbert Kalwa, Volker Schwind
  • Publication number: 20220212229
    Abstract: It is provided a method for producing a support material provided with at least one anti-fingerprint coating including the steps of: applying at least one layer of at least one powdered resin to at least one side of the support material; melting-on the at least one applied layer of the one powdered resin; applying at least one acrylate-containing dispersion to the melted-on resin layer; and drying and curing the layered structure.
    Type: Application
    Filed: May 6, 2020
    Publication date: July 7, 2022
    Inventors: Norbert Kalwa, Joachim Hasch, Bernd Stiewe
  • Publication number: 20220203574
    Abstract: The invention relates to a planar material, comprising lignocellulose fibers and binding agents. In order to provide a planar material that using fibers has reduced swelling, it is provided that the proportion of the binding agent has more than 50 wt % of the planar material. The invention also comprises a method for producing the planar material.
    Type: Application
    Filed: January 9, 2020
    Publication date: June 30, 2022
    Applicant: SWISS KRONO TEC AG
    Inventors: Roger Braun, Joachim Hasch, Volker Schwind, Norbert Kalwa
  • Publication number: 20220177714
    Abstract: An impregnate with antistatic properties for use in laminates or for coating wood-based panels is disclosed. A resin used for impregnating and/or coating paper may include carbon-based particles, at least one compound of the general formula (Ia) R1aSiX(4-a), R3cSiX(4-c)(II), and inorganic particles. X is methoxy, ethoxy, n-propoxy or i-propoxy. R1 is an organic radical selected from the group including methyl, ethyl, propyl, or vinyl, and has at least one functional group Q1, selected from the group including acrylic, acryloxy, methacrylic, methacyloxy, or epoxy. R3 is a non-hydrolyzable organic radical selected from the group including C1-C10 alky, C6-10 aryl, wherein C is 1, 2, or 3, and the inorganic particles have a size between 2 nm and 400 nm.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 9, 2022
    Inventors: Andreas Gier, Norbert Kalwa
  • Patent number: 11351769
    Abstract: Disclosed is a process for the production of synchronous-pore layered materials. Also disclosed is a device for the conduct of the process. In further aspects, the invention relates to layered materials which can be produced by the process, and also to wood-composite boards equipped with the layered materials produced by the process of the invention.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: June 7, 2022
    Assignee: Flooring Technologies Ltd.
    Inventors: Norbert Kalwa, Joachim Hasch, Bernd Stiewe
  • Publication number: 20220105539
    Abstract: It is provided a method for producing an abrasion- and water-resistant multilayer panel, in particular an abrasion- and water-resistant flooring panel, including the steps: providing at least one plastic carrier plate, in particular a PVC carrier plate; applying at least one base coat to the surface of the plastic carrier plate; printing the plastic carrier plate by direct printing to form a decorative layer; applying at least one first cover layer to the printed decorative layer; uniformly scattering abrasion-resistant particles onto the at least one cover layer applied to the decorative layer; applying at least one second covering layer to the layer of scattered abrasion-resistant particles; optionally, introducing a structure into the at least second cover layer, applying at least one lacquer layer, and curing the layer structure.
    Type: Application
    Filed: January 9, 2020
    Publication date: April 7, 2022
    Inventors: Ingo Lehnhoff, Norbert Kalwa, Frank Oldorff
  • Patent number: 11292291
    Abstract: A method for the production of grounded panels and to a panel having a core made from a wood material board. The method includes provision of a wood material board, application of a grounding in the form of a synthetic resin layer to at least one topside of the wood material board, application of a coating to an underside, lying opposite the topside of the wood material board, of the wood material board, pressing of the layer build-up consisting of the wood material board, grounding and coating under the influence of pressure and, if appropriate, temperature, division of the grounded and coated wood material board into individual panels, cutting machining of side faces of the panels for the incorporation of connection and locking means, and transport-safe packaging of the grounded panels.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: April 5, 2022
    Assignee: FLOORING TECHNOLOGIES LTD
    Inventors: Roger Braun, Norbert Kalwa
  • Patent number: 11292926
    Abstract: An impregnate with antistatic properties for use in laminates or for coating wood-based panels is disclosed. A resin used for impregnating and/or coating paper may include carbon-based particles, at least one compound of the general formula (I) R1aR2bSiX(4-a-b), and/or hydrolysis products thereof. X is H, OH, or a hydrolysable moiety selected from the group including halogen, alkoxy, carboxy, amino, monoalkylamino or dialkylamino, aryloxy, acyloxy, or alkylcarbonyl. R1 is an organic moiety selected from the group including alkyl, aryl, or cycloalkyl, which may be interrupted by —O— or —NH—. R1 has at least one functional group Q1 selected from a group including a hydroxy-, amino, monoalkylamino, carboxy, mercapto, alkoxy, aldehyde, acrylic, acryloxy, methacrylic, methacryloxy, cyano, isocyano or epoxide group. R2 is a non-hydrolyzable organic moiety selected from the group including alkyl, aryl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl; a is 0, 1, 2, or 3, and b is 1, 2, 3, or 4.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: April 5, 2022
    Assignee: Flooring Technologies Ltd.
    Inventors: Andreas Gier, Norbert Kalwa
  • Publication number: 20220097275
    Abstract: Provided a method for manufacturing an abrasion- and water-resistant multilayer panel, in particular an abrasion- and water-resistant flooring panel, including the steps: providing at least one plastic carrier plate, in particular a PVC carrier plate; applying at least one decorative layer to the at least one plastic carrier plate; applying at least one primer layer to the at least one decorative layer; and uniformly scattering abrasion-resistant particles onto the at least one primer layer applied to the decorative layer applying at least one cover layer.
    Type: Application
    Filed: January 8, 2020
    Publication date: March 31, 2022
    Inventors: Norbert Kalwa, Torsten Kopp
  • Publication number: 20220072897
    Abstract: A production line for producing an abrasion-resistant wood-composite panel that has a decorative layer, the production line including a first application device for applying a resin layer to an upper and/or lower side of a core board, a scattering device for scattering abrasion-resistant particles controlled by a light barrier and arranged downstream of the first application device in a direction of processing, a first resin drying device arranged downstream of the first application device and scattering device, a second resin application device for applying a second resin layer to an upper and/or lower side of the core board arranged downstream of the first resin drying device, a second resin drying device arranged downstream of the second application device, and at least one short-cycle press.
    Type: Application
    Filed: November 12, 2021
    Publication date: March 10, 2022
    Inventors: Norbert Kalwa, Ingo Lehnhoff
  • Publication number: 20220024169
    Abstract: The disclosure relates to a press plate for creating deep structures in panel-like products, for example in wood-based boards or laminates made of resin-coated papers, composed of a metallic base body, in which strip-shaped and/or frame-like webs, which have a higher thermal conductivity than the base body, are inserted in depressions provided.
    Type: Application
    Filed: December 9, 2019
    Publication date: January 27, 2022
    Inventors: Norbert Kalwa, Torsten Kopp
  • Publication number: 20220016872
    Abstract: The invention relates to a method for producing a wooden material having a supporting plate and at least one first, non-external veneer and a second veneer on a first surface of the supporting plate, wherein the supporting plate, the first and the at least second veneer are connected to one another by synthetic resin. In order to create a cost-effective wooden material board with a veneered surface, a liquid synthetic resin is applied, in excess, in relation to the quantity required for gluing purposes, to the supporting plate and/or to the first veneer and/or the at least second veneer, the synthetic resin applied in excess is dried but not cured, a stack of material to be pressed comprising the supporting plate, the first, non-external veneer and the at least second veneer is assembled, and the stack of material to be pressed is compressed in a high-pressure press to form a wooden material.
    Type: Application
    Filed: December 18, 2019
    Publication date: January 20, 2022
    Applicant: Flooring Technologies Ltd.
    Inventor: Norbert Kalwa
  • Patent number: 11224988
    Abstract: The disclosure relates to a method for producing a wooden composite material board, in particular an MDF or HDF board, wherein a cake made of wood chips or wood fibres wetted with a binder is spread, which is subsequently pressed in a hot press to form a board of a desired thickness, wherein, before the pressing, a mixed powder made of colour pigments and a second binder is spread onto an upper side of the cake as a primer, wherein the cake is sprayed with water after the spreading of the mixed powder.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: January 18, 2022
    Assignee: SWISS KRONO TEC AG
    Inventors: Norbert Kalwa, Axel Siebert
  • Patent number: 11220130
    Abstract: The disclosure relates to a method for finishing a panel, the method includes a) a relief embossed into the upper side in the form of at least one strip-shaped depression with a depth (T), b) a decorative paper applied to the upper side, c) an overlay paper applied to the decorative paper as an abrasion-resistant layer, d) the lower side provided with a backing layer, e) the structure pressed at a high pressure and temperature, and f) during the pressing, at least one strip-shaped depression again embossed in a second embossing without changing the depth (T). Also, the upper side features a press skin that has a thickness of 0.3 to 0.5 mm, the bulk density of the panel in a top layer is between 950 and 1,000 kg/m3, and an aqueous melamine resin is applied to the upper side as a tempering agent before or after embossing.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: January 11, 2022
    Assignee: FLOORING TECHNOLOGIES LTD.
    Inventors: Roger Braun, Frank Oldorff, Ingo Lehnhoff, Norbert Kalwa, Rüdiger Klupsch
  • Patent number: 11192398
    Abstract: The invention relates to a method for producing an abrasion-resistant wood material panel that has a decorative layer, including the following steps: applying one first resin layer to the decorative layer on the top and bottom sides of the wood material panel, scattering abrasion-resistant particles onto the resin layer on the top side of the panel; drying the resin layer provided with abrasion-resistant particles onto the first resin layers on the top and bottom sides of the panel in a drying device; applying another resin layer to the dried resin layers on both sides of the panel; drying the second resin layers on both sides of the panel in the drying device; and pressing the layer structure. The invention further relates to a production line for carrying out the method and to a wood material panel that can be produced by means of the method.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: December 7, 2021
    Assignee: Flooring Technologies Ltd.
    Inventors: Norbert Kalwa, Ingo Lehnhoff
  • Patent number: 11156004
    Abstract: The disclosure relates to a method for finishing a supplied building panel made of a wood material, in particular MDF or HDF, with an upper side and a lower side, wherein, in a first embossing step, a relief is embossed at least into the upper side as first strip-shaped depressions with two opposing side walls, a bottom wall connecting said side walls and a depth (T), and subsequently a decorative pattern (3) is printed on the embossed upper side of the building panel, and the decorative pattern is then sealed by applying an abrasion-resistant layer (4). According to the invention, additional depressions extending at an angle (?) transversely to the first depressions are embossed, and the large-format supplied building panel is divided into individual panels by carrying out a saw cut in and along each of the depressions.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: October 26, 2021
    Assignee: FLOORING TECHNOLOGIES LTD
    Inventors: Frank Oldorff, Ingo Lehnhoff, Norbert Kalwa, Rüdiger Klupsch, Thomas Lehmann
  • Publication number: 20210324228
    Abstract: A composition for sealing/coating the edges of wood-fibre boards is provided. The composition includes at least one compound of general formula R1aSiX(4-a) (I), and/or their hydrolysis products, X is H, OH or a hydrolyzable group selected from alkoxy-, aryloxy-, and acyloxy-, R1 is an organic radical selected from the group including alkyl, aryl, and cycloalkyl and R1 has at least one functional group Q1 selected from a hydroxy, amino, monoalkylamino, carboxy, mercapto, alkoxy, aldehyde, acrylic, acryloxy, methacrylic, methacryloxy, cyano, isocyano and epoxy group, and a=0, 1, 2, 3. The composition also includes at least one compound of general formula R2bSiX(4-b) (II), and/or their hydrolysis products X has the above meaning, R2 is a non-hydrolyzable organic radical selected from alkyl, aryl, alkenyl, alkynyl, cycloalkyl, and cycloalkenyl, and b=1, 2, 3, or 4. The composition also includes at least one aqueous polymer dispersion.
    Type: Application
    Filed: July 15, 2019
    Publication date: October 21, 2021
    Inventors: Norbert Kalwa, Andreas Gier
  • Publication number: 20210323343
    Abstract: The disclosure relates to a method for finishing a panel, the method includes a) a relief embossed into the upper side in the form of at least one strip-shaped depression with a depth (T), b) a decorative paper applied to the upper side, c) an overlay paper applied to the decorative paper as an abrasion-resistant layer, d) the lower side provided with a backing layer, e) the structure pressed at a high pressure and temperature, and f) during the pressing, at least one strip-shaped depression is again embossed in a second embossing without changing the depth (T). Also, the upper side features a press skin that has a thickness of 0.3 to 0.5 mm, the bulk density of the panel in a top layer is between 950 and 1,000 kg/m3, and an aqueous melamine resin is applied to the upper side as a tempering agent before or after embossing.
    Type: Application
    Filed: June 7, 2019
    Publication date: October 21, 2021
    Inventors: Roger BRAUN, Frank OLDORFF, Ingo LEHNHOFF, Norbert KALWA, Rüdiger KLUPSCH
  • Patent number: 11148317
    Abstract: A method for producing wood material boards with reduced emission of volatile organic compounds (VOCs), including: a) producing woodchips from suitable timbers; b) heat-treating at least one portion of the woodchips at a temperature between 150° C. and 300° C. for a period of 1 to 5 hours; c) crushing the wood chips that are not heat-treated and at least one portion of the heat-treated woodchips by machining in order to obtain wood shavings or by solubilizing in order to obtain wood fibers; d) gluing the wood shavings or wood fibers with at least one binding agent; e) applying the glued wood shavings onto a transport belt while forming a multi-layered shavings cake or applying the glued wood fibers onto a transport belt while forming a single-layer fiber cake; and f) compressing the shavings cake or the fiber cake to form a wood material board.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: October 19, 2021
    Assignee: SWISS KRONO Tec AG
    Inventor: Norbert Kalwa
  • Publication number: 20210268685
    Abstract: The method relates to a method for producing a wood material panel. The method includes the following steps: (a) scattering a multitude of wood particles to produce a particulate cake, (b) applying an adhesive to at least some of the wood particles during the scattering and/or prior to the scattering, and (c) pressing of the particulate cake under high pressure and at a high temperature, wherein a quantity of adhesive that is applied to the wood particles is varied depending on its anticipated position in the particulate cake.
    Type: Application
    Filed: September 17, 2018
    Publication date: September 2, 2021
    Inventors: Norbert KALWA, Torsten KOPP