Patents Assigned to Etex Services NV
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Patent number: 12269782Abstract: The present invention relates to coloured fiber cement products as well as to methods for manufacturing such products. In particular, the present invention provides coloured fiber cement products, which fiber cement products are coloured in the mass, and at least comprise on at least part of their outer surface one or more cured layers of a coating composition, which composition at least comprises a binder and a pigment and/or a filler and is characterized by a pigment volume concentration (PVC) of between about 1% and about 20%. The present invention further provides processes for producing these coloured fiber cement products. Finally, the present invention provides uses of the coloured fiber cement products as building materials. In particular embodiments, the fiber cement products produced by the processes of the present invention can be used to provide an outer surface to walls, both internal as well as external, a building or construction, e.g. as fagade plate, siding, etc.Type: GrantFiled: January 25, 2023Date of Patent: April 8, 2025Assignees: Sociedad Industrial Pizarreño, Etex Services NVInventor: Rodrigo Palacios
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Patent number: 12168629Abstract: The present invention relates to fiber cement flooring products. In particular, the present invention provides fiber cement flooring products, at least comprising cement and fibers, characterized in that these fiber cement flooring products comprise amorphous silica in an amount of between about 2 weight % and about 15 weight % compared to the total dry weight of the fiber cement composition of said fiber cement flooring product. The present invention further relates to methods for the production of such fiber cement flooring products as well as uses of such fiber cement flooring products in the building industry. The present invention further relates to fiber cement formulations and fiber cement materials, which are suitable for the production of fiber cement products for flooring applications.Type: GrantFiled: January 30, 2023Date of Patent: December 17, 2024Assignees: Etex Services NV, Eternit NVInventors: Ruben Bordin, Luc Van Der Heyden
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Patent number: 11773023Abstract: The present invention relates to methods for the production of air-cured fiber cement products. More particularly, the present invention provides methods for the production of air-cured fiber cement products, at least comprising the steps of: (a) Providing cured fiber cement powder by comminuting cured fiber cement material; (b) Providing an aqueous fiber cement slurry comprising water, cementitious binder, natural or synthetic fibers and between about 5M % and about 40M % of said cured fiber cement powder; (c) Providing a green fiber cement sheet; and (d) Air-curing said green fiber cement sheet thereby providing an air-cured fiber cement product.Type: GrantFiled: October 5, 2017Date of Patent: October 3, 2023Assignee: Etex Services NVInventor: Luc Van Der Heyden
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Patent number: 11597680Abstract: The present invention relates to fiber cement flooring products. In particular, the present invention provides fiber cement flooring products, at least comprising cement and fibers, characterized in that these fiber cement flooring products comprise amorphous silica in an amount of between about 2 weight % and about 15 weight % compared to the total dry weight of the fiber cement composition of said fiber cement flooring product. The present invention further relates to methods for the production of such fiber cement flooring products as well as uses of such fiber cement flooring products in the building industry. The present invention further relates to fiber cement formulations and fiber cement materials, which are suitable for the production of fiber cement products for flooring applications.Type: GrantFiled: January 26, 2018Date of Patent: March 7, 2023Assignees: Etex Services NV, Eternit NVInventors: Ruben Bordin, Luc Van Der Heyden
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Patent number: 11591269Abstract: The present invention relates to coloured fiber cement products as well as to methods for manufacturing such products. In particular, the present invention provides coloured fiber cement products, which fiber cement products are coloured in the mass, and at least comprise on at least part of their outer surface one or more cured layers of a coating composition, which composition at least comprises a binder and a pigment and/or a filler and is characterized by a pigment volume concentration (PVC) of between about 1% and about 20%. The present invention further provides processes for producing these coloured fiber cement products. Finally, the present invention provides uses of the coloured fiber cement products as building materials. In particular embodiments, the fiber cement products produced by the processes of the present invention can be used to provide an outer surface to walls, both internal as well as external, a building or construction, e.g. as fagade plate, siding, etc.Type: GrantFiled: June 21, 2016Date of Patent: February 28, 2023Assignees: Sociedad Industrial Pizarreño, Etex Services NVInventor: Rodrigo Palacios
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Patent number: 11554987Abstract: The present invention relates to methods for the production of fresh cured fiber cement products. More particularly, the present invention provides methods for the production of fresh fiber cement products comprising cured fiber cement waste material, at least comprising the steps of: (a) Providing a cured fiber cement waste powder by comminuting cured fiber cement waste material; (b) Providing an aqueous fiber cement slurry comprising water, cementitious binder, natural or synthetic fibers and said cured fiber cement waste powder; (c) Forming a green fiber cement sheet from said aqueous fiber cement slurry; and (d) Autoclave-curing said green fiber cement sheet thereby providing a fresh fiber cement product.Type: GrantFiled: October 5, 2017Date of Patent: January 17, 2023Assignee: Etex Services NVInventor: Luc Van Der Heyden
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Patent number: 11498869Abstract: The present invention relates to pale-colored fiber cement products at least comprising white cement and synthetic fibers, wherein the synthetic fibers are pigmented with at least one dark pigment chosen from the group consisting of a black pigment, a brown pigment, a blue pigment, a red pigment, a green pigment and a gray pigment. The present invention further relates to methods for the production of these pale-colored fiber cement products as well as to uses thereof in the building industry.Type: GrantFiled: March 27, 2018Date of Patent: November 15, 2022Assignees: Etex Services NV, Comptoir Du Batiment NVInventors: Ruben Bordin, Dave Verleene, Jan Kerstens
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Patent number: 11384030Abstract: A method for improving the hydrophobic properties of a fiber cement product, said method comprising the steps of: providing a fiber cement product comprising at least one profiled surface; applying a hydrophobation agent to the at least one profiled surface; wherein the obtained fiber cement product has a water take up of less than 1.5 mL after 48 hours as measured by the RILEM Test No 11.4 in horizontal application.Type: GrantFiled: June 10, 2019Date of Patent: July 12, 2022Assignee: Etex Services NVInventor: Frank Van den Bergh
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Patent number: 11267757Abstract: The present invention relates to colored fiber cement products at least comprising: —a cementitious matrix comprising a black pigment and/or a colored pigment, and —synthetic fibers, characterized in that said synthetic fibers are pigmented with at least one white pigment. The present invention further relates to methods for the production of these colored fiber cement products as well as to uses thereof in the building industry.Type: GrantFiled: December 12, 2018Date of Patent: March 8, 2022Assignee: Etex Services NVInventors: Igor A. Ignatyev, Dave Verleene
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Patent number: 10865153Abstract: A method for improving the hydrophobic properties of a fiber cement product, is provided. The method comprises the steps of providing a fiber cement product comprising at least one profiled surface, applying a water-free silane-based liquid to the at least one profiled surface, and allowing said water-free silane-based liquid to penetrate into the fiber cement product.Type: GrantFiled: September 8, 2014Date of Patent: December 15, 2020Assignee: Etex Services NVInventor: Frank Van den Bergh
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Patent number: 10611683Abstract: The present invention relates to improved polypropylene fibers and methods for producing the same as well as uses of such polypropylene fibers for the production of fiber cement products. The present invention further relates to fiber cement products, such as flat or corrugated fiber cement sheets, comprising the polypropylene fibers of the present invention. The fiber cement products of the present invention have an improved impact resistance as compared to fiber cement products not containing the polypropylene fibers of the present invention.Type: GrantFiled: December 8, 2015Date of Patent: April 7, 2020Assignee: Etex Services NVInventors: Noureddin Moussaif, Benoit de Lhoneux
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Patent number: 10570939Abstract: A rivet (1) for fixing cementitious sheets to supports is provided, which rivet comprises a metal rivet body (10) with an axial length Lr, metal rivet head (12) and metal mandrel (14), characterized in that the rivet further comprises at least one polymer tubular member (20) having a length Lm in axial direction (30), Lm being less than Lr, said polymer tubular member being coaxially mounted on the rivet body along its length Lm. In addition, methods for fixing a cementitious sheet to a support by means of such rivets are provided as well as uses of such rivets in the building industry. Also, building systems, comprising a support and a cementitious sheet, which cementitious sheet is fixed to the support by means of at least one of the rivets of the invention is provided herein.Type: GrantFiled: February 17, 2015Date of Patent: February 25, 2020Assignee: Etex Services NVInventor: Bobby O'Neill
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Patent number: 9816265Abstract: A pre-fabricated construction panel (100) for use on an external surface and/or as part of a building or construction is provided. The panel comprises at least a first layer (110) which is at least partially provided from thermally insulating material having a first surface, said panel comprising at least a second layer (120), said at least second layer being provided from fiber cement board said second layer having a second surface facing said first surface, said first and second layers being connected one to the other by a spacing means located between and adhering to said first and said second surface, which spacing means provides at least one interspace (140) between the first and second surface, said at least one interspace having at least two openings to the external of said panel for enabling air to flow into and out of the interspace towards the external of said panel. The thermally insulating material means material has a thermal conductivity (lambda) less than or equal to 0.05 W/mK.Type: GrantFiled: September 8, 2014Date of Patent: November 14, 2017Assignee: Etex Services NVInventor: Frans Vermeren
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Patent number: 9790682Abstract: A pre-fabricated construction panel for use on an external surface and/or as part of a budding or construction is provided. The panel comprises at least a first layer which is at least partially provided from thermally insulating material having a first surface, the panel comprising at least a second layer, the at least second layer being provided from fiber cement board, the second layer having a second surface facing the first surface. The first surface is profiled having recessed surface zones and heightened surface zones, the first and second layers being connected one to the other at least along the heightened surface zones of the first, the recessed surface zones provides at least one interspace between the first and second surface. This at least one inter-space has at least two openings to the external of the panel for enabling air to flow into and out of the interspace towards the external of the panel. Less than 25% of the total surface of the first surface is connected to, e.g.Type: GrantFiled: September 8, 2014Date of Patent: October 17, 2017Assignee: Etex Services NVInventor: Bobby O'Neill