Patents by Inventor Jörn Schroer
Jörn Schroer 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).
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Patent number: 9745737Abstract: An insulated building structure, in particular an insulated roof structure or a wall structure of a building, comprises at least one thermal insulation layer. At least one moisture-variable protective layer for the thermal insulation layer is provided on an outer side of the thermal insulation layer and on an inner side of the thermal insulation layer facing a building interior of the building. The protective layers each have a water vapor diffusion equivalent air layer thickness Sd. The water vapor diffusion equivalent air layer thicknesses Sd of the two protective layers deviate from each other by less than 20%, preferably less than 10%, in the range of a relative humidity from 0% to 25% and/or in the range of a relative humidity from 80% to 100%.Type: GrantFiled: February 10, 2015Date of Patent: August 29, 2017Assignee: Ewald Dörken AGInventors: Heinz-Peter Raidt, Gilles Schwaab, Nicole Höfer, Jörn Schröer
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Publication number: 20170175385Abstract: A moisture-variable protective layer is to be used in particular for protecting a thermal insulating layer in insulated building structures, such as roof and/or wall structures of a building. The protective layer has a water vapor diffusion-dependent air layer thickness Sd that is dependent on the ambient humidity. The protective layer at least partly consists of and/or comprises a material that has a water vapor diffusion equivalent air layer thickness Sd of greater than 10 m at a relative humidity of the atmosphere surrounding the protective layer in the range from 0% to 25% and has a water vapor diffusion equivalent air layer thickness Sd of less than 0.4 m at a relative humidity of the atmosphere surrounding the protective layer in the range from 90% to 100%.Type: ApplicationFiled: February 10, 2015Publication date: June 22, 2017Applicant: Ewald Dörken AGInventors: Heinz-Peter Raidt, Gilles Schwaab, Nicole Höfer, Jörn Schröer
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Publication number: 20160369493Abstract: An insulated building structure, in particular an insulated roof structure or a wall structure of a building, comprises at least one thermal insulation layer. At least one moisture-variable protective layer for the thermal insulation layer is provided on an outer side of the thermal insulation layer and on an inner side of the thermal insulation layer facing a building interior of the building. The protective layers each have a water vapor diffusion equivalent air layer thickness Sd. The water vapor diffusion equivalent air layer thicknesses Sd of the two protective layers deviate from each other by less than 20%, preferably less than 10%, in the range of a relative humidity from 0% to 25% and/or in the range of a relative humidity from 80% to 100%.Type: ApplicationFiled: February 10, 2015Publication date: December 22, 2016Applicant: Ewald Dörken AGInventors: Heinz-Peter Raidt, Gilles Schwaab, Nicole Höfer, Jörn Schröer
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Publication number: 20150083658Abstract: A method for the production of a filter membrane (1), whereby as starting material for the membrane production, at least one filler (3) and, optionally, at least one additional aggregate are admixed into a polymer membrane material (2), whereby the membrane material (4) that has the filler (3), and optionally the additional aggregate, is extruded to form a polymer film (5) that is charged with the filler (3), and optionally, the additional aggregate, after which the polymer film (5) is then stretched in a particularly monoaxial and/or biaxial manner for pore formation.Type: ApplicationFiled: January 15, 2013Publication date: March 26, 2015Applicant: Ewald Dörken AGInventors: Jörn Schröer, Daniel Placke
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Publication number: 20150053345Abstract: A solvent welding agent used for bonding of polymer surfaces in the region of a contact zone, especially for bonding of polymer surfaces of webs in the construction field. The solvent welding agent contains a solvent for dissolving a polymer and a mass transport promoter for promoting the mass transport of the solvent welding agent, especially of the solvent, from the contact zone between the polymer surfaces.Type: ApplicationFiled: August 21, 2014Publication date: February 26, 2015Applicant: Ewald Dörken AGInventors: Jörn Schröer, Carsten Harfmann
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Publication number: 20150017867Abstract: A bi-component fiber (1), in particular for the production of spunbond fabrics (4), with a first component (2) and a second component (3), whereby the first component (2) has a first polymer as an integral part and the second component has a second polymer as an integral part. The polymer of one of the two components (2, 3) has been polymerized with a metallocene catalyst and the polymer of the other component (2, 3) has been polymerized with a Ziegler-Natta catalyst and subjected to a subsequent visbreaking treatment.Type: ApplicationFiled: July 15, 2014Publication date: January 15, 2015Inventors: Jörn Schröer, Daniel Placke
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Publication number: 20150017865Abstract: A bi-component fiber (1), in particular for the production of spunbond fabrics (4), with a first component (2) and a second component (3), whereby the first component (2) has a first polymer as an integral part and the second component has a second polymer as an integral part. The first component (2) has an additive, and the second component (3) has a percentage by weight of the additive that is smaller than that in the first component (2).Type: ApplicationFiled: July 15, 2014Publication date: January 15, 2015Inventors: Jörn Schröer, Daniel Placke
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Publication number: 20150017866Abstract: A bi-component fiber (1), in particular for the production of spunbond fabrics (4), with a first component (2) and a second component (3), whereby the first component (2) has a first polymer as an integral part and the second component has a second polymer as an integral part. It is provided that the difference between the melt-flow indices of the first component (2) and the second component (3) is less than or equal to 25 g/10 minutes and that the melt-flow indices of the first component (2) and the second component (3) in each case are less than or equal to 50 g/10 minutes.Type: ApplicationFiled: July 15, 2014Publication date: January 15, 2015Inventors: Jörn Schröer, Daniel Placke
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Publication number: 20150017864Abstract: A bi-component fiber (1), in particular for the production of spunbond fabrics (4), has a first component (2) and a second component (3), whereby the first component (2) has a first polymer as an integral part and the second component has a second polymer as an integral part. It is provided that the difference between the melting points of the first component (2) and the second component (3) is less than or equal to 8° C.Type: ApplicationFiled: July 15, 2014Publication date: January 15, 2015Applicant: Ewald Dörken AGInventors: Jörn Schröer, Daniel Placke
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Publication number: 20140353244Abstract: A method for the production of a hydrophilic polymer membrane (1), in particular for the production of a porous membrane for filtration or for use in functional textiles, whereby at least one hydrophilization additive (3) is used as a starting material for the membrane production, optionally, at least one additional aggregate, is/are admixed into an in particular hydrophobic polymer membrane material (2), whereby the membrane material (4) that has the hydrophilization additive (3) and optionally the additional aggregate is extruded to form a polymer film (5) that is charged with the hydrophilization additive (3) and optionally the additional aggregate, and whereby the polymer film (5) is stretched, in particular in a monoaxial and/or biaxial manner for pore formation.Type: ApplicationFiled: January 15, 2013Publication date: December 4, 2014Inventors: Jörn Schröer, Daniel Placke
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Patent number: 8808481Abstract: Disclosed is a method for producing a web (2) comprising at least one protective layer (11, 11a), at least one functional layer (13), and at least one reinforcement layer (14). The reinforcement layer (14) is provided with greater tear strength than the protective layer (11, 11a) while the reinforcement layer (14) is glued to the functional layer (13) or the protective layer (11, 11a). According to the inventive method, the functional layer (13) is welded together with at least one protective layer (11, 11a) on at least one side by means of heat lamination in order to produce a prelaminate (20), and the obtained prelaminate (20) is then glued to the reinforcement layer (14).Type: GrantFiled: July 25, 2006Date of Patent: August 19, 2014Assignee: Ewald Dorken AGInventors: Jörn Schröer, Rüdiger Laur, Gilles Schwaab
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Patent number: 8771827Abstract: A film (1) for construction with at least one functional layer (2) and optionally at least one other layer, especially a carrier layer and/or reinforcing layer (3), the functional layer (2) having a water vapor diffusion resistance (sd value) that is dependent on the ambient humidity. The functional layer (2) has at least one material (4) that can be obtained from a renewable raw material, especially at least one polymer based on a renewable raw material.Type: GrantFiled: September 24, 2008Date of Patent: July 8, 2014Assignee: Ewald Dörken AGInventor: Jörn Schröer
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Method for producing a functional layer of a building shell, and building shell and functional layer
Patent number: 8733054Abstract: A functional layer for a building shell, a method for production of the functional layer, and a building shell with the functional layer applied thereto. The building shell has a sheathing on its inside and a large number of rafters with roof bays provided between the rafters and the sheathing. The functional layer is applied at least in some places by painting and/or spraying on the outside of the sheathing, and an air-tight and/or water-tight foil, made especially as a vapor barrier, forms after application.Type: GrantFiled: July 30, 2013Date of Patent: May 27, 2014Assignee: Ewald Doerken AGInventors: Jörn Schröer, Jochen Lipps, Georg Meyer -
Patent number: 8697223Abstract: A vapor-permeable laminate (1) with at least one first outer layer (2) and at least one second outer layer (3), the outer layers (2, 3) having perforations (4, 5) and being joined to one another in such a way that the perforations of the first outer layer (2) do not coincide with the perforations (5) of the second outer layer (3), and a structure (6) having pores (7) being provided between the outer layers (2, 3). In order to achieve sufficient vapor permeability with at the same time sufficient hydrostatic seal-tightness, it is provided that each of the pores (7) has a clear cross-sectional area (A) of less than 200 ?m2.Type: GrantFiled: October 23, 2008Date of Patent: April 15, 2014Assignee: Ewald Dorken AGInventors: Jörn Schröer, Stefan Kostrewa
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METHOD FOR PRODUCING A FUNCTIONAL LAYER OF A BUILDING SHELL, AND BUILDING SHELL AND FUNCTIONAL LAYER
Publication number: 20130333315Abstract: A functional layer for a building shell, a method for production of the functional layer, and a building shell with the functional layer applied thereto. The building shell has a sheathing on its inside and a large number of rafters with roof bays provided between the rafters and the sheathing. The functional layer is applied at least in some places by painting and/or spraying on the outside of the sheathing, and an air-tight and/or water-tight foil, made especially as a vapor barrier, forms after application.Type: ApplicationFiled: July 30, 2013Publication date: December 19, 2013Applicant: Ewald Dörken AGInventors: Jörn Schröer, Jochen Lipps, Georg Meyer -
Publication number: 20130244518Abstract: A film (1) for construction with at least one functional layer (2) and optionally at least one other layer, especially a carrier layer and/or reinforcing layer (3), the functional layer (2) having a water vapor diffusion resistance (sd value) that is dependent on the ambient humidity. The functional layer (2) has at least one material (4) that can be obtained from a renewable raw material, especially at least one polymer based on a renewable raw material. A method of applying a functional layer to building construction involves installing the functional layer as a vapor control layer over rafters of a building either inside, outside or in a loop shape, or alternatively, installing the functional layer as a vapor control layer barrier in a sheeted roof, ceiling or façade region of a building as at least one of an underform web and a counter ceiling web.Type: ApplicationFiled: April 29, 2013Publication date: September 19, 2013Applicant: Ewald Dorken AGInventor: Jörn Schröer
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Patent number: 8535786Abstract: Represented and described is a sheet having at least one fastening section for the bonding of the sheet to a substrate or for bonding to a further sheet. In accordance with the invention the fastening section is coated partially with an adhesive and has at least two bonding regions formed by the adhesive coating, and adjacent bonding regions are separated from one another at least partly by at least one adhesive-free region of the fastening section.Type: GrantFiled: August 16, 2007Date of Patent: September 17, 2013Assignee: Ewald Dorken AGInventors: Jörn Schröer, Gilles Schwaab
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Patent number: 8263184Abstract: A method is provided for the production of an active-breathing composite in the form of a web, consisting of a nonwoven made of synthetic material and a layer fully or mainly consisting of polyurethane for utilization as counter ceiling webs for roofs and as facade webs. PU or a mixture of materials with a high fraction of PU is heated to melting temperature and extruded on a nonwoven made of PP in order to form a diffusion-open coating of the PP nonwoven and then pressing the PP nonwoven in order to form an active-breathing composite.Type: GrantFiled: December 14, 2004Date of Patent: September 11, 2012Assignee: Ewald Doerken AGInventors: Norbert Klingelhage, Rüdiger Laur, Jörn Schröer
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Patent number: 8076613Abstract: The invention depicts and describes a panel heating device (1) for placing in the area of floors, walls or ceilings, comprising an electrically conductive layer (2), another first layer (3), and electrical supply lines (5, 6). The invention provides that the first layer (3) is made of an electrically insulating and liquid-tight material.Type: GrantFiled: March 31, 2006Date of Patent: December 13, 2011Assignee: Ewald Dörken AGInventors: Heinz Peter Raidt, Jörn Schröer
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Patent number: D634550Type: GrantFiled: October 6, 2008Date of Patent: March 22, 2011Assignee: Ewald DoerkenInventor: Jörn Schröer