Patents Assigned to Knauf Gips KG
  • Patent number: 11919197
    Abstract: The invention concerns an apparatus for furnishing a liner with a layer of stucco slurry, comprising at least: a conveying device (24) for conveying a liner (7), said conveyor device defining a transport direction (31); a stucco slurry feeder device (26) for casting stucco slurry onto the liner (7); a stucco slurry distribution device (27) for distributing stucco slurry cast onto the liner (7); and at least one stripper device (28) for stripping stucco slurry from lateral portions of the liner. The invention further concerns a method for furnishing a liner with a layer of stucco slurry of defined width and a method for producing a gypsum plasterboard.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: March 5, 2024
    Assignee: Knauf Gips KG
    Inventors: Stergios Karakoussis, Alexander Hartmann, Georgi Paraskov
  • Patent number: 11911928
    Abstract: Method for producing a cementitious board (1), wherein a first liner (2) with first overlap sections (5) is provided and furnished with at least one layer of at least one slurry comprising a cementitious material (3); a second liner (4) with second overlap sections (8) is provided and arranged such that it contacts the first overlap sections (5) of the first liner (2), wherein the at least one layer of the at least one slurry (3) is arranged between the first liner (2) and the second liner (4); an adhesive foam (6) is provided at least partly on at least one of the first or second overlap sections (5, 8); and the first liner (2) and the second liner (4) are bonded via the adhesive foam (6) in the overlap sections (5, 8).
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: February 27, 2024
    Assignee: Knauf Gips KG
    Inventors: Stergios Karakoussis, Alexander Hartmann, Georgi Paraskov, Carlo Knauf, Anton Peter
  • Patent number: 11891806
    Abstract: The invention relates to building products, in particular building boards, which comprise graphene and/or graphene oxide.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: February 6, 2024
    Assignee: Knauf Gips KG
    Inventor: Sylvia Brueckner
  • Publication number: 20240034692
    Abstract: The present invention is concerned with plasterboards including at least two layers A and B of different composition, wherein layer A includes a calcium sulfate binder and a synthetic polymer foam and the layer B includes a calcium sulfate binder and a surfactant foam and wherein the at least one layer A is a surface layer. Improved nail pull resistance can be achieved in lightweight plasterboards, if foamed synthetic polymer is present in a surface layer. The present invention further concerns a method for the production of corresponding products, an apparatus for the production of such products as well as the use of synthetic polymer foam in a surface layer to produce plasterboards with high nail pull resistance at a minimal amount of synthetic polymer.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 1, 2024
    Applicant: Knauf Gips KG
    Inventors: Stergios Karakoussis, Georgi Paraskov, Alexander Hartmann, Carlo Knauf, Anton Peter
  • Patent number: 11885116
    Abstract: The invention relates to a profile for arranging a component for a drywall construction, in particular a profile for a preferably ceiling-side fastening of a drywall, preferably a profile for a drywall comprising a panelled stud frame. Furthermore, the invention relates to a construction element set and to a drywall having such a profile. The invention provides a profile of the aforementioned generic type that can accommodate a possible relative movement of components of a drywall construction in an improved manner. This object is achieved according to the invention in that the profile has, in its cross section, substantially a U shape which comprises a web and two adjoining flanges, wherein the flanges are each designed to be resilient to the same degree and/or in the same manner in the direction which is substantially orthogonal to the web surface.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: January 30, 2024
    Assignee: Knauf Gips KG
    Inventors: Dominik Herfurth, Robert Stubits, Sylvia Rachwitz, Michael Viebahn
  • Patent number: 11866929
    Abstract: A panel coating system for simple and efficient installation of a removably attachable layer to a panel.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: January 9, 2024
    Assignee: KNAUF GIPS KG
    Inventors: Klaus Holfelder, Ruth Schnobrich, Klaus Wandler, Klaudius Hengst
  • Publication number: 20230365467
    Abstract: The invention concerns construction materials based on a mineral binder, which includes a synergistically effective hydrophobisation mixture. The invention also relates to methods for processing of such construction materials and the use of a synergistically effective mixture for the hydrophobisation of a mineral binder based construction material.
    Type: Application
    Filed: November 24, 2020
    Publication date: November 16, 2023
    Applicant: Knauf Gips KG
    Inventors: Jakub Gajski, Agnieszka Bogobowicz, Katarzyna Foltynska
  • Patent number: 11814885
    Abstract: A closure device having a lock element that can be locked on a mating piece, preferably for closing a sealing flap of an opening, in particular an inspection flap, preferably in a drywall construction, in particular for a wall or a ceiling is provided. A closure device is distinguished by the fact that the lock element is arranged in such a way that, preferably under the action of a spring, in a first position with respect to the mating piece it is or can be moved into a locking position and, in a second position, it reaches a position and/or a state without any blocking action.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 14, 2023
    Assignee: KNAUF GIPS KG
    Inventor: Claus Beyer
  • Patent number: 11760689
    Abstract: Beads of materials such as activated alumina, zeolite and silica gel, are used as chloride salt absorbers. The beads are mixed with high-salt gypsum. After mixing for a short time, the mixtures are dried, and the beads and the powder are separated by using a sieve or other physical separation device resulting in a low-salt gypsum which can be used as a gypsum source to make gypsum wallboard.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 19, 2023
    Assignee: KNAUF GIPS KG
    Inventors: Qinghua Li, Ashish Dubey, Mark Hemphill
  • Publication number: 20230183976
    Abstract: The invention relates to a dry-connection stud having a web and a first and second flange connected to the web, wherein flange beads are provided in at least one of the flanges, wherein the flange beads each extend in the longitudinal direction of the stud over a flange bead length that is less than an overall length of the stud, wherein the flange beads are disposed at a center distance from each other. The invention further relates to a dry-construction wall with such a dry-construction stud.
    Type: Application
    Filed: May 22, 2020
    Publication date: June 15, 2023
    Applicant: Knauf Gips KG
    Inventors: Sylvia Rachwitz, Michael Viebahn
  • Patent number: 11674309
    Abstract: A connecting element is provided for connecting an essentially vertically arranged or arrangeable upright for a non-bearing wall structure with an essentially horizontal bar, in particular a steel profile with a U-shaped cross section, preferably a ceiling profile, to allow a sliding compensation movement in essentially the vertical direction, and with at least one fastening section for fastening to the bar or the preferable ceiling profile of a load-bearing or non-loading-bearing ceiling structure and with a least one sliding guide for the upright.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 13, 2023
    Assignee: KNAUF GIPS KG
    Inventor: Boris Simonic
  • Publication number: 20230146619
    Abstract: An additive injection system can be a part of a cementitious slurry mixing and dispensing assembly. The additive injection system can be used to inject an additive into an auxiliary slurry discharge conduit carrying a secondary flow of cementitious slurry produced in the assembly such that the secondary slurry stream is different from a main slurry stream discharged from a main slurry discharge conduit.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 11, 2023
    Applicant: Knauf Gips KG
    Inventors: Nicholas S. JONES, Kevern O. FRASER, Jon CROSS, Te Hua LAU
  • Patent number: 11644238
    Abstract: A device for drying sheets includes: a conveying device for conveying sheets through the device for drying sheets, a first drying stage arranged towards an upstream end of the device for drying sheets and comprising at least one drying chamber, first stage drying air supply means for introducing hot air into said at least one drying chamber of said first drying stage at a drying air inlet; air discharge means for discharging exhaust air from said at least one drying chamber of said first drying stage, a second drying stage arranged downstream of the first drying stage and comprising at least one drying chamber; transfer means for transferring exhaust air discharged from said at least one drying chamber of the first drying stage into said at least one drying chamber of the second drying stage; humid drying air supply means for introducing said exhaust air into said at least one drying chamber of said second drying stage, said humid drying air supply means comprising at an humid drying air inlet for introduc
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: May 9, 2023
    Assignee: Knauf Gips KG
    Inventors: Jürgen Martin, Gosbert Grebner
  • Patent number: 11555307
    Abstract: The invention relates to a bracket for connecting components for a drywall construction, in particular a bracket for a slidable fastening, preferably a slidable ceiling-side fastening, in the framework of a drywall, preferably a bracket for a drywall with a planked, preferably multi-planked, framework. Furthermore, the invention relates to an assembly kit and a drywall with at least one such bracket, as well as the use of such a bracket in dry wall construction.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: January 17, 2023
    Assignee: Knauf Gips KG
    Inventors: Michael Viebahn, Jens Schaper
  • Publication number: 20230008578
    Abstract: The invention relates to a drywall comprising a first wall section (2) with first stud elements (4), wherein the first stud elements are arranged with a first regular centre distance, wherein in the first wall section a first panelling (5) is arranged at least on one room side (R) of the first stud elements (4). The drywall is characterized by a second wall section (3) with second stud elements (6), wherein a second panelling (7) is arranged in the second wall section at least on the room side (R) of the second stud elements (6) and wherein the second stud elements are arranged with a second regular centre distance (C) which is smaller than the first regular centre distance (A). The invention also relates to a kit and a method for constructing a drywall.
    Type: Application
    Filed: December 16, 2019
    Publication date: January 12, 2023
    Applicant: Knauf Gips KG
    Inventors: Jochen Seidel, Volker Müller
  • Publication number: 20220324756
    Abstract: Beads of materials such as activated alumina, zeolite and silica gel, are used as chloride salt absorbers. The beads are mixed with high-salt gypsum. After mixing for a short time, the mixtures are dried, and the beads and the powder are separated by using a sieve or other physical separation device resulting in a low-salt gypsum which can be used as a gypsum source to make gypsum wallboard.
    Type: Application
    Filed: December 9, 2021
    Publication date: October 13, 2022
    Applicant: KNAUF GIPS KG
    Inventors: Qinghua Li, Ashish Dubey, Mark Hemphill
  • Patent number: 11453200
    Abstract: The invention relates to a non-flammable panel with real wood veneer and a method for manufacturing such a panel. The non-flammable panel is characterized by a non-flammable carrier board and a thin real wood veneer which was laminated onto the carrier board by means of a mineral glue.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: September 27, 2022
    Assignee: Knauf Gips KG
    Inventors: Karl Michael Knoblauch, Markus Riessler
  • Publication number: 20220267214
    Abstract: A high solids, sprayable, fast drying, ready-mixed setting-type joint compound comprising a blend of a joint compound mixture comprising: joint compound mixture ingredients comprising: calcium sulfate hemihydrate (e.g. US Gypsum's HYDROCAL C-Base), a chelating agent, and water; and an activator mixture, wherein the activator mixture comprises: activator mixture ingredients comprising: inert filler, set accelerator, and water, wherein a weight ratio of joint compound mixture:activator mixture is 1:1 to 100:1, wherein the activator mixture viscosity is the same as the joint compound mixture viscosity plus or minus 50 percent, and wherein the joint compound has about 55 to about 80 wt. % solids and a viscosity of 2,500-28,000 cps.
    Type: Application
    Filed: November 16, 2021
    Publication date: August 25, 2022
    Applicant: KNAUF GIPS KG.
    Inventors: Tyler Kincaid, Rafael Bury, Joseph W. Schlude, Naveen Punati
  • Publication number: 20220194856
    Abstract: Water-resistant gypsum products may be produced using a novel catalyst that includes calcium aluminate cement and/or calcium sulfoaluminate cement. For example, a water-resistant gypsum panel may have a core comprising: interwoven matrices of calcium sulfate dihydrate crystals and a silicone resin, wherein the interwoven matrices have dispersed throughout them a siloxane polymerization catalyst comprising (a) 55 wt % to 100 wt % calcium aluminate cement and/or calcium aluminate cement and (b) 0 wt % to 45 wt % and magnesium oxide, wherein the weight ratio of the siloxane polymerization catalyst to the calcium sulfate dihydrate is 0.01-5:100. The water-resistant gypsum panel may have an absence of one or more of: Portland cement, limestone, aragonite, calcite, dolomite, and slaked lime.
    Type: Application
    Filed: April 30, 2021
    Publication date: June 23, 2022
    Applicant: KNAUF GIPS KG
    Inventors: Qinghua Li, Ashish Dubey, Nicholas D'anna
  • Patent number: 11352788
    Abstract: Edge profile 10 for forming a part of a suspended ceiling substructure comprising a plurality of support profiles arranged suspended from a raw ceiling of a building structure and a plurality of base profiles, each of which being attached to at least one of the plurality of support profiles, the edge profile 10 having a U-shaped cross-section with a base portion 11 capable of being fixed to a wall structure, a first leg portion 12 and a second leg portion 13, the first leg portion 12 having an outer section 122 and an inner section 121, wherein the outer section 122 is arranged offset towards the second leg portion 13 relative to the inner section 121.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: June 7, 2022
    Assignee: Knauf Gips KG
    Inventor: Boris Simonic