Patents Assigned to ROCKWOOL A/S
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Patent number: 11982030Abstract: A method and an apparatus for horizontally splitting a mineral wool web includes a conveyor having a first direction of travel adapted for receiving and advancing a cured mineral wool web in said first direction. At least one dividing device is provided for longitudinally dividing the cured mineral wool web into at least two sub-webs as said cured mineral wool web is advanced passed said at least one dividing device. At least one lifting mechanism is provided downstream of the dividing device so that a section of the conveyor is adapted for lifting a sub-web. At least one horizontal cutting device is provided for horizontally cutting the sub-web whilst lifted in said conveyor section.Type: GrantFiled: July 15, 2020Date of Patent: May 14, 2024Assignee: Rockwool A/SInventors: Damir Azatovich Akhmetzhanov, Albert Rifovich Shakirov
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Patent number: 11919283Abstract: The present invention relates to a method of providing thermal and/or acoustic insulation to a structure, comprising the steps of: providing a substrate which comprises fibres; applying the substrate to the structure; blending the substrate with a binder composition before, during or after application of the substrate to the structure; allowing curing of the binder composition after the substrate and the binder composition have been applied to the structure; wherein the binder composition comprises at least one hydrocolloid. The present invention also relates to an insulated structure obtainable by said method.Type: GrantFiled: May 11, 2017Date of Patent: March 5, 2024Assignee: ROCKWOOL A/SInventors: Thomas Hjelmgaard, Lars Hald, Thomas Tielemann
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Method and apparatus for supplying pre-heated particulate mineral material for making a mineral melt
Patent number: 11878930Abstract: A method and an apparatus for making a mineral melt having a cyclone furnace and a separating cyclone, the apparatus having a device for supplying pre-heated particulate mineral material from a bottom of the separating cyclone to an inlet of the cyclone furnace. A material receiving conduit adapted for receiving the pre-heated particulate mineral material from the bottom outlet of the separating cyclone, in which the material receiving conduit has a first pressure. An outlet conduit supplying the particulate mineral material to the inlet of the cyclone furnace having a second pressure, wherein the second pressure is higher than the first pressure, and the particulate mineral material is fluidised and flows from the material receiving conduit to the outlet conduit. A gas-lock valve is provided between the material receiving conduit and the outlet conduit.Type: GrantFiled: July 6, 2021Date of Patent: January 23, 2024Assignee: ROCKWOOL A/SInventor: Lars Elmekilde Hansen -
Patent number: 11865826Abstract: A method and a mineral wool product include a multiple of lamellae, such as a sandwich panel core. The product includes a plurality of lamellae cut from a mineral wool web, and bonded together by applying an adhesive on the surfaces of two adjacent lamellae to form a web-like product, wherein the adhesive comprises at least one hydrocolloid.Type: GrantFiled: January 26, 2023Date of Patent: January 9, 2024Assignee: ROCKWOOL A/SInventors: Thomas Hjelmgaard, Oskar Meres, Bent Jacobsen
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Publication number: 20230407635Abstract: A clip and a frame element are provided that facilitate multiple connection options for a vertically-mounted acoustic baffle in a single system. Kits comprising the clip, frame element and an acoustic baffle are also provided.Type: ApplicationFiled: June 22, 2023Publication date: December 21, 2023Applicant: ROCKWOOL A/SInventor: Maciej Grzegorz MOSIADZ
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Patent number: 11846052Abstract: The present invention concerns a method of producing a moulded mineral wool insulation product, said method comprising the steps of providing a mixture by mixing mineral fibres with a binder composition, and providing said mixture in a mould form, and then curing the binder, wherein the binder composition comprises at least one hydrocolloid, and then removing the moulded product from the mould form.Type: GrantFiled: November 13, 2017Date of Patent: December 19, 2023Assignee: ROCKWOOL A/SInventors: Thomas Hjelmgaard, Kenneth Ramsing, Kenn Christensen, Sascha Karallus, Jens Jørren Sørensen, Frederik Johannes Maria Van der Eerden, Arne Kraglund
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Patent number: 11821203Abstract: The invention concerns a suspended ceiling system for mounting ceiling tiles to a ceiling structure, said ceiling structure having a lower side from which the ceiling tiles are mounted, said ceiling tiles having an upper and a lower side, wherein at least two first hook profiles are provided on the lower side of the ceiling structure in parallel with a predetermined first distance; and at least two second hook profiles are provided on the upper side of each of the ceiling tiles in parallel with a second distance corresponding to the first distance, wherein said second hook profiles detachably engage the first hook profiles, whereby the ceiling tiles are hanging from the first hook profiles of the ceiling structure.Type: GrantFiled: May 14, 2020Date of Patent: November 21, 2023Assignee: ROCKWOOL A/SInventor: Jan Pollenus
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Patent number: 11820116Abstract: The invention relates to an aqueous binder composition for mineral fibers comprising at least one polyelectrolytic hydrocolloid.Type: GrantFiled: May 11, 2017Date of Patent: November 21, 2023Assignee: ROCKWOOL A/SInventor: Thomas Hjelmgaard
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Patent number: 11802407Abstract: A support member for a suspended drywall ceiling grid system includes a central web formed of two layers of sheet metal having first and second ends, a reinforcement bulb extending from an upper portion of the central web between the first and second ends, opposed flanges extending from a lower portion of the central web between the first and second ends, first and second end connectors integral with the central web and extending from the first and second ends of the central web, respectively, past the flanges, each of the opposed flanges having an upper surface and a knurled lower surface between the central web and a rolled edge portion, and each rolled edge portion having an initial region tilted downward and outward and extending into a curved region, wherein the curved region is rolled upward and inward and terminates in an outer edge toward the initial region.Type: GrantFiled: November 23, 2021Date of Patent: October 31, 2023Assignee: ROCKWOOL A/SInventor: Scott G. Jankovec
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Patent number: 11774312Abstract: Method for testing and for an inspection of a functionality of an insulation work on industrial installations, especially a proper installation of an insulation surrounding a pipe, especially for transport of cooled media, whereby the insulation comprises at least one insulation element, preferably of an open porous material, especially made of bound mineral fibres, and a vapor barrier surrounding the insulation in an airtight manner at all ambient faces, whereby a pump is connected to a valve being connected to the insulation element, whereby the valve connects the inner part of the insulation with the surrounding area, whereby the inner air pressure of the insulation is increased or decreased by the pump to a predetermined pressure, preferably by up to 50 kPa above or underneath a surrounding atmospheric pressure, whereby the predetermined pressure is displayed on a gauge and whereby the stability of the predetermined pressure is tested and/or inspected during a predetermined time interval.Type: GrantFiled: December 10, 2019Date of Patent: October 3, 2023Assignee: Rockwool A/SInventor: Thomas Marek Konietzny
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Patent number: 11725385Abstract: A clip (3) for use in a suspension system for the vertically suspended acoustic baffles (2) and a frame element (4) for the acoustic baffle is provided in a suspended ceiling system. The clip and frame facilitate multiple connection options for a vertically suspended acoustic baffle in a single system.Type: GrantFiled: November 1, 2019Date of Patent: August 15, 2023Assignee: ROCKWOOL A/SInventor: Maciej Grzegorz Mosiadz
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Patent number: 11690332Abstract: A method of growing plants in a coherent growth substrate product is provided and includes: providing at least one coherent growth substrate product comprising man-made vitreous fibres (MMVF) bonded with a cured aqueous binder composition; positioning one or more seeds, seedlings, cuttings or plants in contact with the growth substrate product; and irrigating the growth substrate product. The aqueous binder composition prior to curing includes a component (i) in the form of one or more oxidized lignins, a component (ii) in the form of one or more cross-linkers, and a component (iii) in the form of one or more plasticizers.Type: GrantFiled: April 3, 2020Date of Patent: July 4, 2023Assignee: ROCKWOOL A/SInventors: Frank Hendrikus Peter Janssen, Dorte Bartnik Johansson, Miroslav Nikolic
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Patent number: D1009309Type: GrantFiled: April 21, 2020Date of Patent: December 26, 2023Assignee: ROCKWOOL A/SInventor: Scott G. Jankovec