EP4023834A1 - A roof window system with a mounting assembly and method of installing such a roof window system - Google Patents
A roof window system with a mounting assembly and method of installing such a roof window system Download PDFInfo
- Publication number
- EP4023834A1 EP4023834A1 EP21216881.9A EP21216881A EP4023834A1 EP 4023834 A1 EP4023834 A1 EP 4023834A1 EP 21216881 A EP21216881 A EP 21216881A EP 4023834 A1 EP4023834 A1 EP 4023834A1
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- European Patent Office
- Prior art keywords
- roof
- window system
- leg
- window
- roof window
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B1/2608—Connectors made from folded sheet metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B1/2612—Joist hangers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
- E04D12/004—Battens
- E04D12/006—Batten-supporting means
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
- E04D13/031—Supports or connecting means for sky-lights of flat or domed shape characterised by a frame for connection to an inclined roof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
- E04D13/0315—Supports or connecting means for sky-lights of flat or domed shape characterised by a curb frame
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
Description
- The present invention relates to a roof window system comprising at least two window units configured to be built in side by side in a roof structure of a roof, in particular comprising an inclined roof surface, said roof window system furthermore comprising a support assembly configured to be fastened to the roof structure and to which the window units are to be connected. The invention furthermore relates to a method of installing a roof window system.
- Roof windows to be installed in inclined roof surfaces come in a variety of types, and are either installed as stand-alone window units, in which all sides of the roof window borders on the roofing, or in configurations in which several window units are built together to combine into larger arrays providing a larger light influx into a room of a building, and in which only outer sides of the outermost window units border on the surrounding roofing.
- Typical configurations of twin or quadruple roof window arrangements installed side-by-side and/or above each other, respectively, are shown and described in Applicant's European patent No.
EP 1 581 706 B1 - Common to all the above roof window arrangements is that the gap trimmer placed in between the window units renders the installation process challenging for an unexperienced installer, and the installation is time consuming even for experienced installers. Therefore, there is room for improvement in terms of installation conditions.
- With this background, it is therefore an object of the invention to provide a roof window system which is more simple, cost-effective and with a reduced installation time and complexity.
- This and further objects are achieved with a roof window system of the kind mentioned in the introduction which is furthermore characterised in that said support assembly comprises a set of support beams configured to be mounted substantially horizontally in said roof structure, and that at least one of a top member and a bottom member of each window unit are intended to be connected with at least one of said set of support beams in a mounted condition of the roof window system.
- Providing a roof window system with the above characteristics, a simpler configuration is achieved. Thus, the roof window system comprises only the set of support beams mounted horizontally when installed, and no other support beams are present. Easier assembly of the roof window is provided when using only support beams that are horizontally mounted in a roof structure instead of a vertically mounted beam. With this configuration, two window units may be mounted almost as easily as a single roof window. This leads to a reduction of the overall installation time and cost. Furthermore, this solution makes it possible to provide a more compact system and a less evident spacing structure in between window units, which improves the aesthetic appearance of the window and a less obstructed view to the exterior. It may also improve the daylighting conditions inside the room since no gap trimmer placed between the window units and protruding into the room needs to be present. Finally, by the roof window system according to the invention, better possibilities of disassembly and re-use is achieved, thus contributing to the overall circularity of the components of the roof window system. The material of the support beams may in principle be chosen arbitrarily, as long as the material has sufficient strength and wear properties. Typically, a wooden material is chosen, and may include laminated wooden beams such as Glulam beams, Kerto® beams etc. which are dimensionally stable, strong and light-weight.
- In a presently preferred embodiment, the set of support beams comprises an upper support beam and a lower support beam, the bottom member of each window unit being intended to be connected with the lower support beam and the top member of each window unit being intended to be connected with the upper support beam, preferably by means of a set of window installation brackets. By the provision of support beams above and below the window units, as seen in the inclination of the roof, particularly flexible installation conditions are achieved, independently of the configuration of the roof structure and positioning of the window units.
- While the support beams could in principle be fastened to the roof structure in any suitable way, it is presently preferred that the connection between the support assembly and the roof structure is carried out by a set of mounting brackets. This facilitates the installation process further, since following any required measurements, the installer may then in a first step easily fasten the mounting brackets to the roof structure at suitable opposing positions, for instance by screws or nails into rafters, and in a second step each support beam is inserted in the mounting brackets to extend substantially horizontally.
- In a preferred development, the mounting bracket comprises a base, at least one leg and at least one upstanding flange. In this way, adequate means for fastening of the mounting bracket to the roof structure and abutment surfaces for the support beam are provided.
- In a further preferred embodiment, two upstanding flanges are provided and each is connected to the base at a first transition edge of said upstanding flange and each at least one leg is connected to the respective upstanding flange at a second transition edge of said upstanding flange, said first transition edge being preferably perpendicular to said second transition edge. By forming a direct connection between the upstanding flange and the leg, a particularly stable mounting bracket is achieved, ensuring a reliable load transfer from the roof window system to the roof structure.
- Preferably, each leg comprises an inner free side edge portion in extension of the second transition edge of said upstanding flange such that an upper section of each said leg extends above a plane of the base and a lower section of each said leg extends below the plane of the base. In this way, easy access to the leg is ensured, since the lower section is accessible to the installer, even after the support beam has been installed, while at the same a sufficiently large contact surface between the leg or legs of the mounting bracket is achieved.
- In yet further preferred developments, the base, each leg and each upstanding flange comprises at least one hole or aperture adapted to receive fastening means such as screws. The holes or apertures may take any suitable shapes, including elongate in one or more directions to allow for adjustability of the position of the mounting bracket, and sizes to accommodate different sizes of fastening means, typically screws or nails.
- In this regard, it is particularly preferred that in embodiments where each leg comprises an upper and a lower section, each leg is provided with a plurality of holes and apertures such that at least one hole or aperture is located in the upper section and at least one hole or aperture in the lower section. Thus, the mounting brackets may be fastened to the roof structure at such a position that a minimum of fastening elements such as screws or nails are located close to the top of the roof structure, typically a rafter or vertical trimmer. By this arrangement, the zone of the roof structure close to the window units is rendered free of fastening elements. This is advantageous for a number of reasons, since the available space and installation conditions for auxiliary equipment such as insulation and vapour barrier collars are not impeded.
- By a yet further presently preferred embodiment, the roof window system is made even further flexible and may be installed in a variety of different configurations of the roof structure, for instance comprising a plurality of rafters and battens, and optionally at least one trimmer. In this embodiment, each support beam is configured to be connected to two rafters, one rafter and a vertical trimmer, or two vertical trimmers.
- In a development of embodiments comprising a set of mounting brackets, each mounting bracket is configured to be connected to a rafter or a vertical trimmer by said at least one leg such that the base protrudes from the rafter or vertical trimmer and supports a bottom surface of the respective support beam, preferably perpendicularly, and each upstanding flange protrudes from the rafter or vertical trimmer and supports a side surface of the respective support beam, preferably perpendicularly. This provides for a particularly stable structure and optimum conditions for the load transfer from the roof window system to the roof structure.
- In order to ascertain that the roof window system is suitably positioned relative to for instance flashing arrangements ensuring a tight transition to the surrounding roofing, a top surface of each support beam is advantageously substantially flush with an upper side of the battens of the roof structure in the mounted condition of the roof window system.
- In a second aspect of the invention, a method of installing a roof window system from a supply condition to the mounted condition is devised. The method comprises the steps of: connecting the support beams of the support assembly to the roof structure, and connecting the window units to the support beams of the support assembly or the to the roof structure. Thus, with only a limited number of steps, the roof window system is readily installed in the roof structure.
- For such embodiments in which the set of support beams comprises an upper support beam and a lower support beam, and the connection between the support assembly and the roof structure is carried out by a set of mounting brackets, the step of connecting the support beams to the roof structure is carried out after the set of mounting brackets have been connected to the roof structure.
- Other presently preferred embodiments and further advantages will be apparent from the subsequent detailed description and drawings.
- In the following description embodiments of the invention will be described with reference to the drawings, in which
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Fig. 1 is a perspective view of a roof structure and a simplified view of the roof window system in an embodiment of the invention; -
Fig. 2 is a perspective view of the roof structure and of a support assembly of the roof window system in an embodiment of the invention; -
Fig. 3 is a longitudinal sectional view of the roof window system in an embodiment of the invention; -
Figs 4 and 5 are cross-sectional views of embodiments of the roof window system according to the invention; -
Fig. 6 is an end perspective view of a support beam in an embodiment of the invention; -
Fig. 7 is an end lateral view of a support beam in an embodiment of the invention; -
Fig. 8 and Fig. 9 are perspective views, from different angles, of a mounting bracket in an alternative embodiment of the roof window system according to the invention; -
Fig. 10 is a perspective view of the roof window system in an embodiment of the invention; -
Fig. 11 is a perspective view of the embodiment of the roof window system ofFig. 10 during installation into a roof structure; -
Fig. 12 is a detailed view of the roof window system ofFig. 11 ; -
Fig. 13 is a perspective view of another embodiment of the roof window system during installation into a roof structure; -
Fig. 14 is a detailed view of the roof window system ofFig. 13 installed in a roof structure; -
Fig. 15 is an exploded isometric view of the insulating assembly of the roof window system in an embodiment of the invention; -
Figs 16 and 17 are perspective views, from different angles, of the transition member of the insulating assembly in embodiments of the invention; -
Figs 18 and 19 are plan views of the transition member of the insulating assembly in embodiments of the invention; -
Figs 20 to 23 are perspective views, from different angles, of the stabilizing rail in embodiments of the invention; -
Fig. 24 is a partial perspective view of the top part of details of a roof window system in an embodiment of the invention; -
Fig. 25 is a partial perspective view of the top bottom of details of a roof window system in another embodiment of the invention; -
Fig. 26 is a cross-sectional view of a cover assembly of a roof window system in an embodiment of the invention; -
Fig. 27 is a close-up of details ofFig. 27 ; -
Fig. 28a and Fig. 28b show an example of a prior art cover assembly; -
Fig. 29 is a perspective view of the cover assembly in an embodiment of the invention; -
Fig. 30 is a close-up of details ofFig. 29 ; and -
Figs 31 and 32 are perspective views, from different angles, of a tool for dismounting the cover assembly in an embodiment of the roof window system according to the invention; and -
Figs 33 and 34 are perspective views, from different angles, of a tool for dismounting the cover assembly in an embodiment of the roof window system according to the invention. - In the figures of the drawings, embodiments of a roof window system according to the invention are shown.
- Referring initially to
Fig. 1 , aroof structure 2 and a simplified view of theroof window system 1 in an embodiment of the invention are shown Theroof window system 1 comprises twowindow units - A window unit can consist of a single window including frame, sash and pane etc. and/or comprise of more than one single window. It could be two windows placed over and under each other as seen in an inclination of the roof or positioned arbitrarily in extension of each other in the roof surface, and preferably having a common width and thus individual height. Each such window in an over and under configuration could also have unique features relating to the frame, sash and pane etc. It could be a fixed frame with a pane, a frame with a sash being fixed or able to turn around a centre, top, bottom or side axis. Alternatively or additionally, the frame could hold a ventilation device, solar panel etc. Also such a window unit could be of different size, e.g. width, compared with another unit to be placed in the side by side configuration.
- Each
window unit top member side members bottom member roof window system 1 is the combination of the width of first window unit W1, the dimension of a spacing SP between the twowindow units roof window system 1 is the height of any ofwindow units - The
roof structure 2 comprisesrafters roof window system 1 and at the same time at least retain the structural integrity of theroof structure 2, an upperhorizontal trimmer 23, a lowerhorizontal trimmer 24 and avertical trimmer 25 are installed. To aid in the subsequent installation of asupport assembly 3 of theroof window system 1 in theroof structure 2, auxiliary battenpieces 28 are installed opposite the intended position of anupper support beam 31 and alower support beam 32, respectively, which form part of thesupport assembly 3 to be described in further detail below. -
Fig. 2 is a perspective view of theroof structure 2 and of asupport assembly 3 of theroof window system 1 as seen from the interior. Theroof structure 2 furthermore comprises anunderroofing 26 placed over therafters battens 22. Thesupport assembly 3 is shown as from the interior of a building and comprises a set of support beams, here anupper support beam 31 and alower support beam 32, configured to be mounted substantially horizontally in saidroof structure 2 such that thetop member bottom member window unit respective support beam roof window system 1, for instance by using window installation brackets connected to the frame and battens, respectively. -
Fig. 3 is a sectional view and shows in more detail theupper support beam 31 andlower support beam 32 in relation to thewindow unit 11. Visible inFig. 3 is alining panel 95 which at one edge is received in agroove 17 in thetop member 111 of thefirst window unit 11. It is noted thatsuch groove 17 is circumferential and present in all members of the frame of the roof windows constituting the window units. It is also shown that thelining panel 95 is allowed to form a bend between a first portion near thewindow unit 11 and a second inclined portion such that a diverging clearing is formed. By the bend, sufficient insulation is present in the area near thelining panel 95. - The upper and lower parts of the insulating
assembly 5 can be seen placed between thetop frame member 111 and theupper support beam 31 and thebottom frame member 114 and thelower support beam 32. Also it is shown how theunderroofing 26 is arranged with respect to the upper and lower support beams 31, 32 and how asupplementary underroof collar 96 is arranged over thebattens 22 and connected to thetop frame member 111 and how its arranged under the lower batten 22 below thewindow unit 11 and connected to thebottom frame member 114 of thewindow unit 11. Theunderroof collar 96 is brought into overlap with theunderroofing 26. Furthermore, avapour barrier membrane 27 forms part of theroof structure 2 such that the insulation is protected from moisture from the interior. A supplementaryvapour barrier collar 97 is also provided, which at one edge portion is connected to thewindow units vapour barrier membrane 26. Also visible inFig. 3 are twoinstallation battens 29, of which the uppermost installation batten 29 is positioned to extend between theupper support beam 31 and the upperhorizontal trimmer 23, and the lowermost installation batten 29 between thelower support beam 32 and the lowerhorizontal trimmer 24. - Also visible in
Fig. 3 is a flashingarrangement 91 at the top and a flashingarrangement 94 at the bottom which provide a weather-tight transition between thewindow units further flashing arrangements Figs 4 and 5 . -
Fig. 6 and Fig. 7 are respectively an end perspective view of one of the support beams, hereupper support beam 31, at its connection to therafter 21. Thesupport beam 31 has atop surface 311, aside surface 312, aside surface 313, and abottom surface 314. Thesupport beam 31 is inserted in a mountingbracket 4 comprising abase 41, anupstanding flange 43 on either side of thebase 41, and twolegs 42 each connected to aflange 43. The mountingbracket 4 is in turn fastened to therafter 21 by suitable fastening means. The material of the support beams may in principle be chosen arbitrarily, as long as the material has sufficient strength and wear properties. Typically, a wooden material is chosen, and may include laminated wooden beams such as Glulam beams, Kerto® beams etc. which are dimensionally stable, strong and light-weight. - Further details of the mounting
bracket 4 in the embodiment shown will be described in further detail with particular reference toFigs 8 and 9 . Here, it is shown that thebase 41 comprises afirst edge 411 and asecond edge 412. Eachupstanding flange 43 is connected to, in the embodiment shown perpendicularly to, the base 41 at afirst transition edge 431 of theupstanding flange 43 and eachleg 42 is connected to the respectiveupstanding flange 43 at asecond transition edge 432 of theupstanding flange 43. In the embodiment shown, thefirst transition edge 431 is perpendicular to thesecond transition edge 432. - Each
leg 42 comprises an inner freeside edge portion 422 in extension of thesecond transition edge 432 of theupstanding flange 43 such that an upper section of each saidleg 42 extends above a plane of thebase 41 and a lower section of each saidleg 42 extends below the plane of thebase 41. As indicated, thelegs 42 have a relatively large extension in the height direction, perpendicular to the longitudinal direction of therafter 21. In this way, it is possible to fasten the mountingbrackets 4 at such a position that a minimum of fastening elements such as screws or nails are located close to the top of the rafter. In turn, the zone surrounding thewindow units roof structure 2 is rendered free of fastening elements which is advantageous for a number of reasons, including the overall mounting as well as insulation and other climate adaptability properties. - The
base 41, eachleg 42 and eachupstanding flange 43 comprises at least one hole or aperture adapted to receive fastening means such as screws or nails. Here, eachleg 42 is provided with a plurality of holes andapertures bracket 4 to therafter 21. Ahole 413 in thebase 41 is intended to receive fastening means such as a screw driven into thesupport beam upstanding flanges 43. Theupstanding flanges 43 are also provided with a set ofholes 436 serving also to receive screws to be driven into thesupport beam - The installation of the roof window system in the
roof structure 2 comprising a plurality ofrafters trimmer Fig. 6 :
Each mountingbracket 4 is connected to arafter 21 or avertical trimmer 25 bylegs 42 such that the base 41 protrudes from therafter 21 orvertical trimmer 25 and supports abottom surface 314 of therespective support beam brackets 4 are connected to rafters; in case there are trimmers on either side, all mounting brackets are connected thereto. The connection advantageously takes place perpendicularly as shown. In the fastened condition, eachupstanding flange 43 protrudes from therafter 21 orvertical trimmer 25 as the case may be. Thereby, it supports aside surface respective support beam - Referring briefly again to
Fig. 7 , thetop surface 311 of eachsupport beam battens 22 of theroof structure 2 in the mounted condition of theroof window system 1. As mentioned in the above, this positioning is made possible by the particular configuration of the mountingbrackets 4, in particular of thelegs 42. - While the
support assembly 3 has now been installed by means of the mountingbrackets 4 as indicated in the above embodiments, the aperture in theroof structure 2 is preferably provided with insulation and thewindow units Fig. 10 , stabilizingrails respective window unit window installation brackets 15 are connected to the window units in a manner known per se. Turning now toFig. 11 , an insulatingassembly 5 is shown connected to theroof structure 2. - For the description of the stabilizing assembly and the insulating assembly of the roof window system according to the invention, reference is first made jointly to
Figs 4 ,10 ,11 and 12 , in which a roof window system comprising twowindow units Figs 5 ,13 and 14 in which a roof window system comprising twowindow units -
Fig. 15 shows an exploded isometric view of the insulatingassembly 5 of theroof window system 1. The insulatingassembly 5 comprises twoside members top member second bottom member transition members - Each
side member window units member window units - Each
transition member top members bottom members - In the installed condition of the insulating
assembly 5, the twoside members bottom members transition members window units outer side members window units - In the embodiment shown, each member of the plurality of top and
bottom members element 5121 and a supportingrail 5122 having a uniform cross-section. The term "standard insulating frame piece" encompasses components of commercially available insulating frames fitting a counterpart roof window of a pre-defined size, for instance within a size range of products. The configuration of an insulating frame piece is well-known per se, for instance from Applicant'sEP 2 677 092 B1assembly 5 furthermore comprises a set of fourconnector brackets 57 configured to connect theside members bottom member rail 5122 of the standard insulating frame piece constituting each member of said plurality of top andbottom members connector bracket 57, preferably comprising a barb or lug. - Referring now to
Figs 16 to 19 , eachtransition member element 551 and anengagement element 552 configured to bring thetransition member bottom members Figs 12 and13 , the insulatingelement 551 comprises an enlargedlower section 5511 and anupper section 5512, the enlargedlower section 5511 being provided with aninclined edge 5513 such that aledge 5514 is formed in the transition area between the upper andlower sections ledge 5514 may in principle have any suitable configuration but preferably surrounds at least in part theupper section 5512 on an inner face and end faces as shown. Here, theengagement element 552 comprises an L-shaped clip with afirst leg 5521 and asecond leg 5522, thefirst leg 5521 being configured to be received in receiving means of the insulatingelement 551, which may take the form of aslot 5515 in an outer side of theupper section 5512 of the insulatingelement 551. Thesecond leg 5522 of the L-shaped clip comprises engagement means configured to engage with corresponding engagement means of the member of said plurality of top andbottom members lug 5523. To ensure continuity, the shape of thetransition member bottom members - Depending on the selected spacing SP between neighbouring
window units transition member Figs 18 and 19 , two different sizes are shown. In principle, the transition members could be chosen to span the spacing between facing sides of neighbouring roof windows placed at an arbitrary distance from each other. Typically, some standard distances are foreseen, but in principle, the insulating assembly could be provided for spacings ranging from almost contact within the neighbouring roof windows to 500 mm within the neighbouring roof windows. In the embodiments shown, two standardized widths of 100 mm and 18 mm are described - The insulating
element 551 of eachtransition member - In the installation situation shown in
Fig. 10 , the insulatingassembly 5 is configured to cooperate with the stabilizingrail 6 positioned in the spacing SP between neighbouringwindow units rails transition members - In a supply condition, the insulating
assembly 5 is supplied as an unassembled kit, in which the twoside members bottom members transition members top members bottom members transition members transition members transition member bottom members transition member bottom members - Turning now to
Figs 20 and21 , a first embodiment of the stabilizingrail 6 is shown. It is noted that a substantially identical, mirror-imaged second stabilizingrail 6b is provided as well. Where appropriate, reference will also be made to a second embodiment of the stabilizingrail 1006 ofFig. 22 and a third embodiment of the stabilizingrail 2006 ofFig. 23 , and to the interaction between respective insulating profiles of the stabilizingrails transition member 55 of theinsulation assembly 6 shown inFigs 24 and 25 , respectively. Only differences between the embodiments will be described in detail. - Just as the overall configuration of the stabilizing assembly itself, each stabilizing
rail profile - One or both stabilizing rails of a set comprises an insulating
profile 61 fastened to the strengtheningprofile 62. The strengtheningprofile 62 comprises means for connection to theside member 113 of onewindow unit 11 of neighbouringwindow units profile 62b of the second stabilizingrail 6b comprises means for connection to theside member 122 of theother window unit 12 of the roof window system. Here, the insulatingprofile 61 has such a thickness tk, tb and depth dk, db that it substantially spans half of the gap G of the spacing SP between facingside members window units roof window system 1. In this way, the insulatingprofiles - The strengthening
profile 62 comprises aconnection flange 621 with connection means 623, 624, 625, 626 for the connection of the stabilizingrail 6; 1006; 2006 to thewindow unit 11. In the embodiment shown, the connection means comprise a set oflugs 623 protruding from a surface of theconnection flange 621 configured to face and match holes in theside member 113 of thewindow unit 11 to which the stabilizingrail 6; 1006; 2006 is connected. Furthermore, the connection means comprise at least one set ofholes apertures 626 for receiving fastening means and/or fittings, the position and number of the at least one set of holes orapertures roof window system 1 and also matching holes provided in theside member 113 of thewindow unit 11. Matching the connection means of the stabilizingrail 6; 1006; 2006 with holes in the side members of the window units facilitates correct positioning and mounting. One example of fastening means isscrews 627 indicated inFigs 10 and13 . The number and position of the fastening means may be chosen in accordance with the height of thewindow units roof window system 1, such that three sets of twoscrews 627 are provided to fasten the stabilizingrail 6 to theside member 113 of thefirst window unit 11 and the stabilizingrail 6b to theside member 122 of thesecond window unit 12, namely one set near the top, one set near the bottom and one set substantially centrally. In case the common height H is larger, more than three sets may be provided, and fewer than three sets ofscrews 627 may be provided, for instance as shown inFig. 13 . - Each stabilizing
rail roof window system 1, typically as substantially corresponding to the common height H of theroof window system 1. At least the insulatingprofile 61 is chosen to have a length corresponding to the full length of the stabilizingrail 6 but the strengtheningprofile 62 has a length which is shorter than the full length of the stabilizingrail 6, such as to leave an end portion at each end of the stabilizingrail 6 in which the insulatingprofile 61 protrudes beyond opposing ends of the strengtheningprofile 62, the length of said end portions being preferably about 10 to 60 mm, more preferably about 40 mm. - Referring now in particular to
Fig. 24 , it is seen how theledge 5514 of thetransition member 55 cooperates with theshoulder 613 and cut-outportion 614 of the insulatingprofile 61 at the top of the roof window system, and also at theinclined edge 5513 with the facingedge 5115 of the firsttop member 511 of the insulating assembly 5 (and correspondingly at the other side of the other stabilizingrail 6b). - Correspondingly, at the bottom of the roof window system in the embodiment of
Fig. 25 , the insulatingprofile 1061 of the first stabilizingrail 1006 is shown in interaction with thetransition member 56. The thickness tb of the insulatingprofile 61 which spans substantially the gap G of the spacing SP between neighbouringwindow units upper section 5512 of thetransition member 56. - Also clearly visible in this figure is the configuration of the second stabilizing
rail 1006b in the mounted condition. This second stabilizingrail 1006b comprises only strengtheningprofile 1062b, which is mounted reversely on thewindow unit 12 as compared with thestrengthening profile 1062 mounted on thewindow unit 11. - In general, the strengthening
profile 62 of the stabilizingrail 6; 1006 comprises afastening flange 622 extending substantially perpendicularly to theconnection flange 621, thus forming an L-shape, thefastening flange 622 being fastened to the insulatingprofile 61 at an under side, facing away from theconnection flange 621, preferably by means of adhesion. Here, the insulatingprofile 61 of the stabilizingrail 6; 1006; 2006 comprises abase section 611 defining said pre-defined thickness tk, tb. The insulatingprofile 61 of the stabilizingrail 6 comprises aledge 612 and ashoulder portion 613 above thebase section 611, and wherein thefastening flange 622 is positioned on theledge 612 such that an upper side of thefastening flange 622 is substantially flush with an upper side of theshoulder portion 613. - In the second embodiment shown in
Fig. 23 , the insulating profile 2061 of the stabilizingrail 2006 comprises abase section 2611 defining said pre-defined thickness tb and anupper section 2615 having a smaller thickness, and wherein theconnection flange 2621 of thestrengthening profile 2062 comprises a foldedflange portion 2627, theconnection flange 2621 and the foldedflange portion 2627 form fastening surfaces relative to theupper section 2615 of the insulating profile 2061. - The insulating
profile 61 of the stabilizingrail 6 is made from a dimensionally stable material having good thermal insulating properties, preferably a polymer foam, such as extruded polyethylene (PE), polypropylene (PP), polyurethane (PU), polyvinylchloride (PVC), expanded polystyrene (EPS), extruded polystyrene (XPS) or mineral wool. For instance, the same material as for the insulatingassembly 5 may be chosen. - The strengthening
profile 62 is made from any suitable material which is capable of performing the function of a reinforcing rail, e.g. with properties like a gusset. Typically, a composite or metal material, such as steel. - Referring now to
Figs 26 and 27 , a first embodiment of a cover assembly is shown, in a disengaged and an engaged position, respectively. The cover assembly is intended to cover the spacing between facing sides of neighbouring roof windows placed at an arbitrary distance from each other. Typically, some standard distances are foreseen, but in principle, the cover assembly could be provided for spacings ranging from a contact within the neighbouring roof windows to 500 mm within the neighbouring roof windows. In the embodiment shown, a standardized width of the gap G of the spacing SP of 100 mm is described. The person skilled in the art would be aware of necessary adaptions to the cover assembly to accommodate other dimensions. - The cover assembly comprises a set of
receiver brackets 7 configured to be connected to the facingside members window units cover plate 8 configured to be brought into releasable engagement with the set ofreceiver brackets 7. For comparison a prior art cover arrangement of a commercially available product traded under the name VELUX® Dormer is shown inFig. 28a and Fig. 28b . - Referring briefly to
Fig. 29 , the set ofreceiver brackets 7 here includes four items. The number may be chosen in dependence of the height of the window units and hence of the roof window system; however, four receiver brackets have been found appropriate for most sizes window units. - As shown, each
receiver bracket 7 is adapted to be installed in agroove 17 inadjacent frame members window units groove 17 is as mentioned in the above circumferential and typically provided in the frame of most roof windows. Where thegroove 17 at the top, bottom and outermost frame members serves to receive thelining panel 95, thegroove 17 of the adjacent frame members serves to receive thereceiver brackets 7. Eachreceiver bracket 7 comprises abase portion 70 from which a set of two second mountingelements 71 protrude to form rounded shapes, asecond engagement portion 72 being here formed near an end of the respective second mountingelement 71. Furthermore, eachreceiver bracket 7 comprises aleg 73 at an end of thesecond engagement portion 72 opposite thebase portion 70. Theengagement portions 72 and thelegs 73 are advantageously symmetrically placed such that the position can be reversed upside-down. Eachleg 73 is received in thegroove 17 of therespective frame member legs 73 to the material of the frame member, one ormore holes 74 are provided in eachleg 73 as shown inFig. 30 in which twoholes 74 are provided and configured to receive fastening means such as screws (not shown). - The
cover plate 8 comprises abase portion 80 from which a set of two first mountingelements 81 protrude, afirst engagement portion 82 being preferably formed near a free end of the respective first mountingelement 81. - The
cover plate 8 comprises anadditional leg 83, preferably provided with ahook 84. Referring toFig. 27 showing the engaged position, it is seen that thehook 84 is placed close to the frame members such that the entry to thegroove 17 is also covered. It is furthermore seen that aside edge 801 of the base portion is located beyond the position of the respective first mountingelement 81. In this way, thecover element 8 overlaps not only the entire spacing SP but also the portion of theside members groove 17 is located. - Common to all frame members in the embodiment shown, however, is that the
circumferential groove 17 also receives thevapour barrier collar 97. The exact configuration of thevapour barrier collar 97 could in principle be chosen in any suitable way but it is preferred that that not only the top, bottom and outermost side members of the window units are provided with portions of thevapour barrier collar 97, but also the spacing SP between facing side members of the two neighbouringwindow units Fig. 26 . Thevapour barrier collar 97 is here formed as a strip spanning the spacing SP between the neighbouringwindow units gasket 971 is included in thevapour barrier collar 97. Thelegs 73 of thereceiver bracket 7 are thus positioned such that thegasket 971 is squeezed between theleg 73 and the bottom of thegroove 17. - To ensure the releasable engagement, the
cover plate 8 comprises a first mountingelement 81 and thereceiver bracket 7 comprises a complementary second mountingelement 71, and the first mounting element and the second mounting element are adapted to be brought into contact with one another. The first mountingelement 81 and the second mountingelement 71 comprises such complementary shapes that movement of thecover plate 8 relative to the receiver bracket orreceiver brackets 7 in a mounting direction is possible while movement in the opposite direction is at least temporarily prevented by afirst engagement portion 82 on the first mountingelement 81 brought into engagement with asecond engagement portion 72 on the second mountingelement 71 to ensure a snap or clip engagement. In principle the first mountingelement 81 and the second mountingelement 71 could be provided at one longitudinal edge of thecover plate 8 and thereceiver bracket 7, respectively; however, it is preferred that they as shown are symmetrically placed along both side edges. - In the embodiment shown, the first and
second engagement portions element 81 forms an angle α with a direction perpendicular to thebase portion 80 of thecover plate 8. The angle α is small, typically about 2 to 5°, and ascertains that safe guidance of thecover plate 8 over thereceiver brackets 7 is ensured. - The first mounting
elements 81 may be said to have the form of a track configured to be guided over and to be received, partially or fully, by the second mountingelements 71. - Once the desired number of
receiver brackets 7 have been connected to the facingside members holes 74 in thelegs 73 and further into theside members cover plate 8 is placed such that the first mountingelements 81 with the respectivefirst engagement portions 82 are guided over the second mountingelements 71 of thereceiver brackets 7, until thefirst engagement portions 82 snap behind thesecond engagement portions 72. During this operation, thelegs 73 also function as a stop of the movement such that the installer will experience a clear indication, for instance in the form of a distinct sound, that the mounted condition has been reached. - Each
receiver bracket 7 is made of a robust material such as metal or an alloy or a plastic compound or a combination thereof, preferably extruded. Thecover plate 8 is typically made of a metal or an alloy or a plastic compound or wood a combination thereof. - While the
cover plate 8 may in principle be disengaged from the receiver bracket orbrackets 7 in any suitable way, ademount tool 85 is provided in an embodiment of the roof window system according to the invention. As shown inFigs 31 and 32 , thedemount tool 85 comprises a substantiallyplane base 850. From thebase 850, afirst flange 851 protrudes at arounded section 852, ending in anedge 8511. Asecond flange 853 protrudes from the base 850 at a distance from thefirst flange 851. Thesecond flange 853 ends in anedge 8531 slightly beyond theedge 8511 of thefirst flange 851. Agrip opening 854 is provided in thebase 850. - In case it is desired to remove the
cover plate 8, thefirst flange 851 of thedemount tool 85 is introduced into the gap behind theleg 83 of thecover plate 8, at the position of thehook 84. During this operation, thesecond flange 853 of thedemount tool 85 overlaps thebase portion 80 of the cover plate in the area of theside edge 801 while thebase 850 of thedemount tool 85 is substantially perpendicular to the plane of thebase portion 80. The user then rotates thedemount tool 85 outwards, i.e. in the direction away from thebase portion 80 of thecover plate 8, by way of a lever rotating about therounded section 852 which in turn abuts a surface of theside member cover plate 8 and thereceiver bracket 7. If needed, the process is repeated at the position of eachreceiver bracket 7 and at both side edges 801 of thecover plate 8. - Another embodiment of a
demount tool 86 is shown inFigs 33 and 34 . Thedemount tool 86 comprises abase 860. From thebase 860, aflange 861 protrudes while ahandle portion 864 is formed oppositely to theflange 861. In case thecover plate 8 is to be removed, theflange 861 of thedemount tool 86 is introduced into the gap behind thecover plate 8 and the engagement between thecover plate 8 and thereceiver bracket 7 is released by handling thedemount tool 86. Anopening 865 is provided in thehandle portion 864 in order to allow hanging thedemount tool 86 on for instance a hook in-between uses. On the back side of thedemount tool 86, shown inFig. 34 ,reinforcement ribs 866 are provided to incur rigidity to thedemount tool 86. - The invention is not limited to the embodiments shown and described in the above, but various modifications and combinations may be carried out.
-
- 1
- roof window system
11 first window unit
111 top member
112 side member
113 side member
114 bottom member
12 second window unit
121 top member
122 side member
123 side member
124 bottom member
15 window installation bracket
17 groove - 2
- roof structure
20 rafter
21 rafter
22 batten(s)
23 upper horizontal trimmer
24 lower horizontal trimmer
25 vertical trimmer
26 underroofing
27 vapour barrier membrane
28 auxiliary batten piece(s)
29 installation batten(s) - 3
- support assembly
31 upper support beam
311 top surface
312 side surface
313 side surface
314 bottom surface
32 lower support beam - 4
- mounting bracket
41 base
411 first edge
412 second edge
413 hole in base
42 leg(s)
421 bottom edge
422 inner free side edge portion
423 upper edge
424 outer edge
425 notch
426 hole(s) in leg
427 oblong aperture
428 larger hole in leg
43 upstanding flange(s)
431 first transition edge ofupstanding flange 43 tobase 41
432 second transition edge ofupstanding flange 43 toleg 42
433 inclined edge portion
434 upper edge
435 outer edge
436 hole(s) in upstanding flange(s) - 5
- insulating assembly
50 insulating frame
511 first top member
5115 facing edge
512 second top member
5121 insulating element
5122 supporting rail
5125 facing edge
52 side member
53 side member
541 first bottom member
542 second bottom member
55 transition member
551 insulating element
5511 enlarged lower section
5512 upper section
5513 inclined edge
5514 ledge
5515 slot
552 engagement element
5521 first leg
5522 second leg
5523 lug
56 transition member
57 connector bracket - 6, 6b
- stabilizing rail
61, 61b insulating profile
611 base section
612 ledge
613 shoulder
614 cut-out (top)
615 cut-out (bottom)
62, 62b strengthening profile
621 connection flange
622 fastening flange
623 set of lugs
624 set of holes (top)
625 set of holes (bottom)
626 set of apertures
627 fastening means (screws) - 1006
- stabilizing rail (2nd embodiment)
1061 insulating profile
1062 strengthening profile - 1006b
- second stabilizing rail
1062b strengthening profile of second stabilizing rail - 2006
- stabilizing rail (3rd embodiment)
2061 insulating profile
2611 base section
2616 upper section
2062 strengthening profile
2621 connection flange
2627 folded flange portion - 2006b
- second stabilizing rail
- 7
- receiver brackets
70 base portion
71 second mounting element
72 second engagement portion
73 leg
74 hole(s) - 8
- cover plate
80 base portion
801 side edge of base portion
81 first mounting element
82 first engagement portion
83 leg
84 hook - 85
- demount tool
850 base
851 first flange
8511 edge of first flange
852 rounded section
853 second flange
8531 edge of second flange
854 grip opening - 86
- demount tool (other embodiment)
860 base
861 flange
864 handle portion
865 opening
866 reinforcement ribs - 91
- flashing arrangement
- 92
- flashing arrangement
- 93
- flashing arrangment
- 94
- flashing arrangement
- 95
- lining panel
- 96
- underroof collar
- 97
- vapour barrier collar
971 gasket - SP
- spacing
- G
- gap
- D
- depth
- HWU
- common height of window units
- W1
- width of first window unit
- W2
- width of second window unit
- W
- combined width
- DWU
- common depth of window units
- wk
- width (large)
- wb
- width (small)
- dk
- depth (large)
- db
- depth (small)
- tk
- thickness (large)
- tb
- thickness (small)
- α
- angle
Claims (13)
- A roof window system (1) comprising at least two window units (11, 12) configured to be built in side by side in a roof structure (2) of a roof, in particular comprising an inclined roof surface, said roof window system (1) furthermore comprising a support assembly (3) configured to be fastened to the roof structure (2) and to which the window units (11, 12) are to be connected,
characterised in that said support assembly (3) comprises a set of support beams (31, 32) configured to be mounted substantially horizontally in said roof structure (2), and that at least one of a top member (111, 121) and a bottom member (114, 124) of each window unit (11, 12) are intended to be connected with at least one of said set of support beams (31, 32) in a mounted condition of the roof window system (1). - A roof window system (1) according to claim 1, wherein the set of support beams comprises an upper support beam (31) and a lower support beam (32), the bottom member (114, 124) of each window unit (11, 12) being intended to be connected with the lower support beam (32) and the top member (111, 121) of each window unit (11, 12) being intended to be connected with the upper support beam (31), preferably by means of a set of window installation brackets (15).
- A roof window system (1) according to any one of the preceding claims, wherein the connection between the support assembly (3) and the roof structure (2) is carried out by a set of mounting brackets (4).
- A roof window system (1) according to claim 3, wherein each mounting bracket (4) comprises a base (41), at least one leg (42) and at least one upstanding flange (43).
- A roof window system (1) according to claim 4, wherein two upstanding flanges (43) are provided and each is connected to the base (41) at a first transition edge (431) of said upstanding flange (43) and each at least one leg (42) is connected to the respective upstanding flange (43) at a second transition edge (432) of said upstanding flange (43), said first transition edge (431) being preferably perpendicular to said second transition edge (432).
- A roof window system (1) according to claim 5, wherein each leg (42) comprises an inner free side edge portion (422) in extension of the second transition edge (432) of said upstanding flange (43) such that an upper section of each said leg (42) extends above a plane of the base (41) and a lower section of each said leg (42) extends below the plane of the base (41).
- A roof window system (1) according to any one of claims 4 to 6, wherein the base (41), each leg (42) and each upstanding flange (43) comprises at least one hole or aperture adapted to receive fastening means such as screws.
- A roof window system (1) according to claim 6 and 7, wherein each leg (42) is provided with a plurality of holes and apertures (426, 427, 428) such that at least one hole or aperture is located in the upper section and at least one hole or aperture in the lower section.
- A roof window system (1) configured to be installed in a roof structure (2) comprising a plurality of rafters (20, 21) and battens (22), and optionally at least one trimmer (23, 24, 25), wherein each support beam (31, 32) is configured to be connected to two rafters, one rafter (21) and a vertical trimmer (25), or two vertical trimmers.
- A roof window system (1) according to any one of claims 3 to 9, wherein each mounting bracket (4) is configured to be connected to a rafter (21) or a vertical trimmer (25) by said at least one leg (42) such that the base (41) protrudes from the rafter (21) or vertical trimmer (25) and supports a bottom surface (314) of the respective support beam (31, 32), preferably perpendicularly, and each upstanding flange (43) protrudes from the rafter (21) or vertical trimmer (25) and supports a side surface (312, 313) of the respective support beam (31, 32), preferably perpendicularly.
- A roof window system (1) according to claim 9 or 10, wherein a top surface (311) of each support beam (31, 32) is substantially flush with an upper side of the battens (22) of the roof structure (2) in the mounted condition of the roof window system (1).
- A method of installing a roof window system (1) according to any one of claims 1 to 11 from a supply condition to the mounted condition, comprising the steps of:connecting the support beams (31, 32) of the support assembly (3) to the roof structure (2), andconnecting the window units (11, 12) to the support beams (31, 32) of the support assembly (3) or the to the roof structure (2).
- The method of claim 12, wherein the set of support beams comprises an upper support beam (31) and a lower support beam (32), and the connection between the support assembly (3) and the roof structure (2) is carried out by a set of mounting brackets (4), whereby the step of connecting the support beams (31, 32) to the roof structure (2) is carried out after the set of mounting brackets (4) have been connected to the roof structure (2).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA202070879A DK181292B1 (en) | 2020-12-30 | 2020-12-30 | A roof window system with an improved mounting assembly and method of installing such a roof window system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4023834A1 true EP4023834A1 (en) | 2022-07-06 |
Family
ID=79021112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21216881.9A Pending EP4023834A1 (en) | 2020-12-30 | 2021-12-22 | A roof window system with a mounting assembly and method of installing such a roof window system |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4023834A1 (en) |
DK (1) | DK181292B1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7616383U1 (en) * | 1975-05-20 | 1978-06-29 | Mikkelsen, Christian Emil Bang, Aulum (Daenemark) | CONNECTOR FOR WOODEN BEAM |
FR2647146A1 (en) * | 1989-05-19 | 1990-11-23 | Eurobat Eurl | Method for the protection and heat and sound insulation of a building |
GB2446141A (en) * | 2007-02-01 | 2008-08-06 | Leonard William Swinfield | Batten support bracket |
EP2500486A1 (en) * | 2011-03-14 | 2012-09-19 | FAKRO PP Spolka z ograniczona odpowiedzialnoscia | A roof window with a mounting bracket |
EP1581706B1 (en) | 2002-12-16 | 2014-08-20 | VKR Holding A/S | Side flashing member , flashing assembly and roof structure |
EP2677092B1 (en) | 2012-06-19 | 2015-07-22 | VKR Holding A/S | An insulating frame for a roof window and a method of mounting a roof window |
-
2020
- 2020-12-30 DK DKPA202070879A patent/DK181292B1/en active IP Right Grant
-
2021
- 2021-12-22 EP EP21216881.9A patent/EP4023834A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7616383U1 (en) * | 1975-05-20 | 1978-06-29 | Mikkelsen, Christian Emil Bang, Aulum (Daenemark) | CONNECTOR FOR WOODEN BEAM |
FR2647146A1 (en) * | 1989-05-19 | 1990-11-23 | Eurobat Eurl | Method for the protection and heat and sound insulation of a building |
EP1581706B1 (en) | 2002-12-16 | 2014-08-20 | VKR Holding A/S | Side flashing member , flashing assembly and roof structure |
GB2446141A (en) * | 2007-02-01 | 2008-08-06 | Leonard William Swinfield | Batten support bracket |
EP2500486A1 (en) * | 2011-03-14 | 2012-09-19 | FAKRO PP Spolka z ograniczona odpowiedzialnoscia | A roof window with a mounting bracket |
EP2677092B1 (en) | 2012-06-19 | 2015-07-22 | VKR Holding A/S | An insulating frame for a roof window and a method of mounting a roof window |
Also Published As
Publication number | Publication date |
---|---|
DK202070879A1 (en) | 2022-07-05 |
DK181292B1 (en) | 2023-07-04 |
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