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: 20190176512
    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: Application
    Filed: December 5, 2018
    Publication date: June 13, 2019
    Inventors: Norbert Kalwa, Joachim Hasch, Bernd Stiewe
  • Publication number: 20190160859
    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: Application
    Filed: May 4, 2017
    Publication date: May 30, 2019
    Inventors: Norbert Kalwa, Ingo Lehnhoff
  • Publication number: 20190135027
    Abstract: A method for the refinement of a panel and an apparatus for the refinement of a panel according to a method of this type. The method for the refinement of a panel includes: unpacking of a panel having a core made from wood material from a transport-safe packaging, a grounding in the form of at least one synthetic resin layer pressed together with the core and, if appropriate, a primer being arranged on a top side of the core, and a coating being arranged on a core underside lying opposite the top side of the core, and connection and locking means being attached to at least two mutually opposite side faces; application of a decorative layer having a decoration to the grounding or primer; and application of at least one wear layer to the decorative layer.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Inventors: Norbert KALWA, Roger BRAUN
  • Patent number: 10226960
    Abstract: A method for the refinement of a panel and an apparatus for the refinement of a panel according to a method of this type. The method for the refinement of a panel includes: unpacking of a panel having a core made from wood material from a transport-safe packaging, a grounding in the form of at least one synthetic resin layer pressed together with the core and, if appropriate, a primer being arranged on a top side of the core, and a coating being arranged on a core underside lying opposite the top side of the core, and connection and locking means being attached to at least two mutually opposite side faces; application of a decorative layer having a decoration to the grounding or primer; and application of at least one wear layer to the decorative layer.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: March 12, 2019
    Assignee: FLOORING TECHNOLOGIES LTD.
    Inventors: Norbert Kalwa, Roger Braun
  • Publication number: 20190070747
    Abstract: A process for treating wood strands suitable for producing OSBs includes treating the wood strands in water at a temperature in the range from 50° C. to 100° C. The present invention likewise relates to a process for producing wood-based OSBs, in particular wood-based OSBs having reduced emission of volatile organic compounds (VOCs), including: a) production of wood strands from suitable timbers; b) treatment of at least part of the wood strands with water; c) drying of the wood strands which have been treated with the water; d) coating of the wood strands which have been treated with water and dried and coating of wood strands which have not been treated with water with at least one binder; e) scattering of the glue-coated wood strands on a conveyor belt; and f) pressing of the glue-coated wood strands to give a wood-based OSB.
    Type: Application
    Filed: August 22, 2018
    Publication date: March 7, 2019
    Inventors: Sabrina Pfeiffer, Norbert Kalwa
  • Patent number: 10189178
    Abstract: A method of producing wood-base panels, especially OSB wood-base panels is provided. The method including the steps of providing wood strands, applying at least one adhesive system to the wood strands having at least one polymer adhesive and at least one nanoparticle below 500 nm, and pressing the wood strands admixed with the adhesive system to form wood-base panels.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: January 29, 2019
    Assignee: SWISS KRONO Tec AG
    Inventors: Andreas Gier, Norbert Kalwa, Dirk Mueller
  • Publication number: 20180372651
    Abstract: The invention relates to a method for producing an OSB, wherein a scattered mat formed by strands adhered in multiple layers is pressed in a hot press to form a panel with a desired thickness, comprising the following steps: a) scanning the surface of an upper side of the mat or of the pressed panel to determine uneven areas and/or faults; b) determining position data of the determined uneven areas and/or faults; c) determining the volumes of the individual uneven areas and/or faults; d) targeted filling of the uneven areas and/or faults with a filling material, based on the determined position data and volumes, wherein e) the filling material is scattered with a scattering device.
    Type: Application
    Filed: March 3, 2017
    Publication date: December 27, 2018
    Inventors: Norbert KALWA, Torsten KOPP
  • Publication number: 20180345529
    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: Application
    Filed: November 3, 2016
    Publication date: December 6, 2018
    Inventors: Norbert Kalwa, Jens Siems
  • Publication number: 20180319037
    Abstract: The invention relates to a method for producing OSB wood material panels, in particular OSB wood material panels having reduced emission of volatile organic compounds (VOCs), including the following steps: a) producing wood strands from suitable woods; b) torrefying at least some of the wood strands; c) glue-coating the torrefied wood strands and non-torrefied wood strands with at least one binder; d) scattering the glue-coated wood strands onto a conveyor belt; and e) pressing the glue-coated wood strands to form a wood material panel. The invention further relates to an OSB wood material panel that can be produced in accordance with said method and to the use of torrefied wood strands to reduce the emission of VOCs from OSB wood material panels.
    Type: Application
    Filed: November 3, 2016
    Publication date: November 8, 2018
    Inventors: Norbert Kalwa, Ingo Lehnhoff
  • Patent number: 10119051
    Abstract: The present invention relates to a binder composition, in particular for wooden composite boards, obtainable from a binder composition, in particular for wooden composite boards obtainable from at least one polymer adhesive, at least one polyalcohol compound, at least one compound of the general formula (I) RaSiX(4?a)??(I), or the general formula (II) ObXc(OH)dReSiO(4-b-c-d-e)/2??(II). The present invention relates also to a wooden composite board containing said binder composition.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: November 6, 2018
    Assignee: SWISS KRONO Tec AG
    Inventors: Andreas Gier, Norbert Kalwa
  • Publication number: 20180272558
    Abstract: The present invention relates to a wooden material panel, in particular a wood-plastic composite material, including particles of wood and at least one plastic that is functionalized with at least one organic compound. At least one decorative layer is provided on at least one side of the wooden material panel.
    Type: Application
    Filed: May 13, 2015
    Publication date: September 27, 2018
    Inventors: Norbert Kalwa, Jens Siems, Ingo Lehnhoff
  • Publication number: 20180243937
    Abstract: The present invention relates to a method for producing wood materials from lignocellulose-containing crushed products, in particular for producing wooden insulating panels or OSB boards, wherein in order to decrease or reduce the emission of volatile organic compounds (VOC) and, if relevant, very volatile organic compounds (VVOC), including terpenes, acids and aldehydes, said wood materials are treated with a combination of additives during production. According to the invention, the treatment is carried out with a first component made of porous carbon and a second component, a hydrogen sulphite salt. The invention further relates to wood materials that can be obtained using the method according to the invention, having reduced emissions of VOCs, including terpenes, acids and aldehydes.
    Type: Application
    Filed: September 23, 2016
    Publication date: August 30, 2018
    Applicant: Swiss Krono Tec AG
    Inventors: Norbert KALWA, Dirk MÜLLER, Gunnar THIELECKE
  • Patent number: 10063747
    Abstract: Disclosed is a method for printing wood material boards. The method includes: by a digital printing process, measuring color values of the wood material boards from at least one first batch and forwarding the color values to a computer program; measuring color values of the wood material boards from at least one further batch and forwarding the color values to the computer program; processing the color values of the wood material boards from the at least one further batch in the computer program and adapting the color values of the digital print; and printing at least one side of the wood material boards by means of digital printing technology, forming a decorative layer in such a way that no color deviations occur between the printed decorations of the wood material boards.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: August 28, 2018
    Assignee: Flooring Technologies Ltd.
    Inventors: Norbert Kalwa, Timo Skorzik
  • Publication number: 20180194123
    Abstract: The present invention relates to a method for producing a laminate having a backing sheet and a decorative paper arranged on the backing sheet, including the steps of: a) providing the backing sheet, b) scattering at least one layer of at least one powdered resin onto at least one side of the backing sheet, the surface of the side of the backing sheet that is to be scattered with the powdered resin being unsmoothed, c) placing at least one decorative paper onto the side of the backing sheet that is provided with the powdered resin, and d) pressing the layered structure including the backing sheet, the powdered resin and the decorative paper. The present invention likewise relates to a laminate that can be produced by this method.
    Type: Application
    Filed: June 21, 2016
    Publication date: July 12, 2018
    Inventor: Norbert Kalwa
  • Patent number: 9969101
    Abstract: A device and a method for specifically influencing the technological properties of individual regions of a sheet-like material are provided, including the following steps: a) fixing the sheet-like material or a pre-compacted material nonwoven or a material fiber cake on a workbench, b) placing at least one applicator on the upper side and/or the underside of the sheet-like material, the material nonwoven or the material fiber cake, c) specifically moving the at least one applicator on the upper side and/or the underside and pressing an improving medium into partial regions of the sheet-like material, the material nonwoven or the material fiber cake in a predetermined amount and under a predetermined pressure, d) optionally, subsequently pressing the pre-compacted material nonwoven or the material fiber cake to form a sheet of the desired thickness.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: May 15, 2018
    Assignee: FLOORING TECHNOLOGIES LTD.
    Inventors: Norbert Kalwa, Gerhard Stahl
  • Publication number: 20180126585
    Abstract: A device and a method for specifically influencing the technological properties of individual regions of a sheet-like material are provided, including the following steps: a) fixing the sheet-like material or a pre-compacted material nonwoven or a material fibre cake on a workbench, b) placing at least one applicator on the upper side and/or the underside of the sheet-like material, the material nonwoven or the material fibre cake, c) specifically moving the at least one applicator on the upper side and/or the underside and pressing an improving medium into partial regions of the sheet-like material, the material nonwoven or the material fibre cake in a predetermined amount and under a predetermined pressure, d) optionally, subsequently pressing the pre-compacted material nonwoven or the material fibre cake to form a sheet of the desired thickness.
    Type: Application
    Filed: January 2, 2018
    Publication date: May 10, 2018
    Applicant: Cefla Deutschland GmbH
    Inventors: Norbert KALWA, Gerhard STAHL
  • Patent number: 9958382
    Abstract: A method for determining the abrasion resistance of at least one wear layer arranged on a carrier plate, including: capturing at least one NIR spectrum of the wear layer arranged on the at least one carrier plate using at least one NIR detector and determining the abrasion resistance of the at least one wear layer by comparing the NIR spectrum for the abrasion resistance that is to be determined with at least one NIR spectrum ascertained for at least one reference sample by multivariant data analysis (MDA).
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: May 1, 2018
    Assignee: Flooring Technologies Ltd.
    Inventors: Andre Denk, Norbert Kalwa
  • Patent number: 9931667
    Abstract: Disclosed is a method for printing a wood material board, in particular a wood fiber material board, by means of a digital printing process. The method includes the steps of (a) printing at least one side of a wood material board by means of digital printing technology, forming a decorative layer; (b) applying a protective layer containing at least one resin, at least one radiation-curable varnish and/or at least one polyurethane to the decorative layer of the wood material board; and (c) pre-drying and/or pre-gelling the protective layer applied to the decorative layer of the wood material board.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: April 3, 2018
    Assignee: Flooring Technologies Ltd.
    Inventor: Norbert Kalwa
  • Publication number: 20180080867
    Abstract: A method for determining the abrasion resistance of at least one wear layer arranged on a carrier plate, including: capturing at least one NIR spectrum of the wear layer arranged on the at least one carrier plate using at least one NIR detector and determining the abrasion resistance of the at least one wear layer by comparing the NIR spectrum for the abrasion resistance that is to be determined with at least one NIR spectrum ascertained for at least one reference sample by multivariant data analysis (MDA).
    Type: Application
    Filed: March 21, 2016
    Publication date: March 22, 2018
    Inventors: Andre Denk, Norbert Kalwa
  • Publication number: 20170334237
    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: Application
    Filed: July 21, 2017
    Publication date: November 23, 2017
    Inventors: Roger BRAUN, Norbert KALWA