EP2808461B1 - A roof window with a water diversion member - Google Patents
A roof window with a water diversion member Download PDFInfo
- Publication number
- EP2808461B1 EP2808461B1 EP14170145.8A EP14170145A EP2808461B1 EP 2808461 B1 EP2808461 B1 EP 2808461B1 EP 14170145 A EP14170145 A EP 14170145A EP 2808461 B1 EP2808461 B1 EP 2808461B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pane
- diversion
- roof window
- window according
- diversion member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 23
- 238000009423 ventilation Methods 0.000 claims description 30
- 229920003051 synthetic elastomer Polymers 0.000 claims description 2
- 239000005061 synthetic rubber Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000005060 rubber Substances 0.000 description 8
- 239000011324 bead Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
- E04D13/0325—Sky-lights; Domes; Ventilating sky-lights provided with ventilating means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/10—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses by special construction of the frame members
Definitions
- the present invention relates to a roof window, comprising a frame, a sash carrying a pane and a covering including a frame top covering member arranged on an exterior side of a frame top member and covering an exterior side of a sash top member, where a ventilation passage with an exterior ventilation opening is provided between the frame top covering member and the sash top member.
- the frame and the sash normally each comprise a top member, a bottom member and two side members forming rectangular units and the window has an interior side intended to face the interior of a building and exterior side intended to face the exterior of the building.
- Windows of this type are known for example from WO2008/133539A2 and EP2317026B1 , where the amount of air passing through the ventilation passages are regulated by baffles, but windows with a permanent unobstructed ventilation passage are also known.
- EP0969178A1 discloses a roof window according to the preamble of claim 1, where flanges on the glazing list may potentially contribute to deflecting water towards the pane. These flanges are, however, located inside the ventilation passage and limit the available ventilation area of the ventilation passage.
- the second portion of the diversion member having a free distal edge projecting in a direction away from the pane and the frame top covering member and hence also the sash top member indicates that it is placed or arranged at an angle to the plane of the pane, thus forming a substantially wedge-shaped space between the second portion and the exterior side of the pane, i.e. below the first portion in the direction of slope of the window in the mounted state.
- Any water on the exterior surface of the pane, which is forced upwards on the pane by wind, will end up at the space between the second portion of the diversion member and the exterior side of the pane and hence be prevented from entering the ventilation opening, which is located on the opposite side of the second portion.
- the water will only be able to penetrate into the ventilation passage if it builds up to a level, which is higher above the exterior surface of the pane than the free distal edge of the second portion of the diversion member.
- the angle between the overall direction of the second portion of the diversion member and the exterior side of the pane is approximately 45 degrees. This will provide a good balance between the need for maintaining a suitable ventilation opening and preventing water from entering the construction, but it is envisaged that any angle between 20 and 70 degrees may provide satisfactory results.
- the frame top covering member usually has a leg projecting from an exterior portion of the covering member towards the pane so that the ventilation opening is defined as the gap between the lower edge of this leg and the exterior surface of the pane or a glazing profile overlapping the edge of the pane.
- the first portion of the diversion member will then normally be located underneath the frame top covering member, behind the projecting leg, while the second portion will be locate on the opposite side of the leg above the exterior pane surface and not covered by the frame top covering member.
- the diversion member extends across the width of the window is not to be understood as if it has to extend over the entire width of the window, but to ensure a good visual impression of the window this will usually be the case. If the ventilation opening is present over only a part or parts of the width of the window it may be sufficient to provide the diversion member or members at these parts.
- the first portion and the second portion do not need to have the same length.
- the first portion may in some cases advantageously be interrupted at a distance from the ends of the second portion to facilitate attachment of the diversion member and give room for other parts of the window.
- the first portion may be shortened during installation if needed and may be provided with indications and/or weaknings to assist such a shortening.
- the second portion preferably has the shape of a gutter, which is open towards the exterior side of the window and open at the ends. This allows a considerable amount of water to collect in the gutter and to be drained off at the ends, where it will run out onto the pane or onto glazing profiles, diversion members or the like used as at sides of the window.
- the distance between an exterior side of the second portion forming the gutter and a lower edge of a leg of the frame top covering member projecting towards the pane is substantially constant when seen in a plane perpendicular to the length axis of the frame top member.
- the surface of the gutter has the cross-sectional shape of a sector of a circle. Other shapes are, however, also possible.
- one or more drainage opening(s) at the bottom of the gutter, preferably at a distance from its ends, and allowing water in the gutter to drain out onto the exterior surface of the pane. This will of course involve the risk of water penetrating from the pane and into the gutter, but in case of extreme wind or water pressure on the pane this may be advantageous since it will reduce the pressure on the diversion member and hence potentially prevent it from being torn loose.
- the diversion member is preferably made from synthetic rubber, such as rubber polymer modified bitumen (RPMB), polyurethane (PUR), ethylene propylene diene monomer (EPDM), nitrile rubber or silicone rubber, but it is also possible to make it from a more rigid material, such as polypropylene (PP), polyethylene (PE) or polyvinylchloride (PVC). Combinations, such as a rubber member with a strengthening inlay of plastic or metal, may of course also be applied. In any case the material(s) chosen should be able to endure exposure to water and UV radiation over an extended period of time.
- RPMB rubber polymer modified bitumen
- PUR polyurethane
- EPDM ethylene propylene diene monomer
- EPDM ethylene propylene diene monomer
- silicone rubber such as polypropylene (PP), polyethylene (PE) or polyvinylchloride (PVC).
- PP polypropylene
- PE polyethylene
- PVC polyvinylchloride
- the diversion member may be of a hollow design with intermediate walls interconnection two surface walls of the second portion, one surface wall forming the gutter and the other facing the exterior side of the pane. This also provides dimensional stability and good insulating properties to the diversion member.
- the pane is fixed to the sash by means of a glazing profile, which is provided on the exterior side of the sash top member and overlapping an edge of the pane, so that the pane is clamped between the glazing profile and the sash top member.
- the glazing profile thus overlaps the narrow space between the pane and the sash and is usually attached to an exterior surface of the sash, which is substantially at level with the exterior side of the pane.
- Like glazing profiles are used at the bottom and sides of the window.
- the glazing profile constitutes an optimal point of attachment for the diversion member. It may, however, also be attached directly to the sash, for example if using a moulded plastic sash, where the pane is attached by adhesion and there is no need for a glazing profile.
- the diversion member When attached to the glazing profile, the diversion member is preferably made with at least one local or longitudinal projection, bead or staggered section fitting into the groove. If the diversion member is made from rubber and the projection, bead or staggered section is made slightly oversize in relation to the groove, the diversion member may be held in place solely by friction. It is, however, also possible to use at least one locking member fixed in the glazing profile in a tight-fitting manner thereby retaining the diversion member in the groove. Such a locking member may serve solely to close off the opening of the groove, but the diversion member may also be clamped between the glazing profile and the locking member.
- a locking member is a rounded non-circular plate member having a first width, which smaller than the width of the opening of the groove in the glazing profile, and a second width which is substantially equal to or slightly larger than the opening of the groove.
- a locking member can be easily inserted in the groove and then turned into a tight-fitting engagement with the glazing profile, where its second width is substantially perpendicular to the length direction of the groove.
- the plate members are preferably provided with for example a recess or slit which can be engaged by a screw driver or a projecting flange or the like allowing it to be turned by hand or using tongs.
- each side of the locking member coming into engagement with the diversion member and/or glazing profile in the fixed state may be provided with two contact points in order to provide a particularly secure attachment of the locking member.
- the diversion member may be provided with one or more local or longitudinal projections and/or grooves, which help keep the locking member(s) in place.
- Attachment of the diversion member to the glazing profile also facilitates the possibility for retrofitting it on existing windows. This may be easily done by removing the frame top covering member of an existing window, attaching the diversion member to the existing glazing profile and then remounting the frame top covering.
- the diversion member may contribute to improving security by making it more difficult to insert a tool through the ventilation passage to activate the windows operator and open the window.
- the diversion member may contribute to the noise damping and/or insulating properties of the window.
- a window according to the invention includes a frame 1 and a sash 2 represented in Figs 1 and 2 by a frame top member 11 and a sash top member 21.
- a ventilation flap 25 and a handle bar 26 on the sash top member are connected to a locking assembly 7 interconnecting the frame and the sash top members in a manner known per se.
- the pane 3 is attached to the sash top member 21 with a glazing profile 8 and it is to be understood that similar profiles are used at the sides as shown in Fig. 3 and at the bottom of the window.
- a frame top covering member 41 Attached to the exterior side of the frame top member 11 is a frame top covering member 41, which covers the spacing between the frame top member 11 and the sash top member 21 as well as the glazing profile 8.
- a leg 42 of the covering member 41 projects towards the pane 3 so that a lower edge 43 thereof is located directly above the outer edge 81 of the glazing profile.
- a gaskets carrier 44 carrying a sealing gasket 45 is provided on the interior side of the frame top covering member 41 so that the sealing gasket is in engagement with an upstanding leg 82 of the glazing profile 8 in the closed state of the window.
- the sealing gasket is here shown in its initial state it is to be understood that it will be compressed by the contact with the glazing profile.
- the window may also be made without such a sealing gasket and carrier and/or that a ventilation restriction means such as the baffle systems described in WO08133539A1 and EP2317026B1 may be provided.
- a gasket-like diversion member 6 is arranged in the glazing profile 8 with a first portion 61 arranged in a groove in the glazing profile formed by the inner upper leg 82 and a second upstanding leg 83 formed by a bent section 84.
- the shape of the interior side of the diversion member corresponds closely to the shape of the exterior side of the glazing profile, which provide for an easy and reliable attachment.
- the diversion member could however also be attached to the exterior side of the pane 3 or directly to the sash top member 21, which might for example be the case if the pane were attached without the use of a glazing profile. Likewise, it is to be understood that the diversion may be in contact with the pane even if attached to a glazing profile as shown.
- a second portion 62 of the diversion member projects from the bent section 84 of the glazing profile out over the exterior side of the pane 3 and an angle ⁇ thereto so that a wedge shaped space 31 is formed between the second portion and the pane.
- the second portion could in principle be at straight section or have a triangular cross-sectional shape, but in this embodiment it is curved so that the section closest to the distal edge 63 is substantially perpendicular to the plane of the pane.
- the ventilation opening 51 formed between the lower edge 43 of the projecting leg 42 of the frame top covering member 41 and the lower edge 81 of the glazing profile is completely covered when seen in a direction in parallel with the pane 3 as indicated to by the arrow A.
- an opening of the same size as the original ventilation opening 51 is present between the distal edge 63 of the second portion 62 of the diversion member 6 and the projecting leg 42 of the frame top covering member 41. This means that amount of air, which can pass through the ventilation opening 51 and hence the ventilation passage 52 is substantially the same as without the diversion member.
- a curved shape is also found on the exterior side 65 of the second portion, which ends in a projection 64 at the proximal edge above the bent section 84 of the glazing profile, so that the exterior side of the diversion member forms a gutter.
- This gutter is substantially centred under the lower edge 43 of the projecting leg 42 of the frame top covering member 41 and is therefore capable of collecting water draining off from the frame top covering member.
- the diversion member 6 is of a hollow design with intermediate walls interconnection two surface walls of the second portion 62.
- This design is particularly suited for giving a rubber member dimensional stability, but it is to be understood that it may also be used with different materials and/or that the diversion member may be solid, made for example of rubber foam. Moreover, the diversion member may be made with inlays of different kinds and materials in order to achieve the desired properties.
- FIG. 3 the upper left-hand corner of a window is shown with the covering members removed so that the gutter formed by the exterior side 65 of the second portion 62 of the diversion member is clearly seen.
- Water in the gutter may be drained off as shown by the arrows C either by flowing over the end edges 66 (only one of which are visible) of the diversion member and onto the glazing profiles 8 at the sides of the window or through drainage openings 67 penetrating through the second portion. It would, however also be possible to make the gutter with closed ends or without the drainage openings.
- the drainage openings shown here are relative small to hinder water from penetrating into the gutter from below, but it would also be possible to provide them with a valve function.
- the first portion 61 is here somewhat shorter than the second portion 62 of the diversion member to facilitate assembly of the window, but this need not be the case.
- a mechanical locking member is shown in Figs 4 and 5 . It consists of an oval plate member 9 with a first width d1, which is slightly smaller than the width w of the opening of the groove 86 in the glazing profile with mounted diversion member, and a second width d2, which is equal to or slightly larger than the width of the opening.
- a first width d1 which is slightly smaller than the width w of the opening of the groove 86 in the glazing profile with mounted diversion member
- a second width d2 which is equal to or slightly larger than the width of the opening.
- For attaching the locking member 9 it is inserted in the groove 86 with it largest width substantially in parallel with the longitudinal direction of the groove as shown in Fig. 4 . It is then turned approximately 90 degrees to the position in Fig. 5 , where it is clamped in a tight-fitting manner between the two legs of the glazing profile forming the groove.
- a common screw driver engaging the slit 91 at the centre of the plate may be used for turning it.
- the projecting leg 82 of the glazing profile 8 has a bent edge 85 projecting over the groove 86 and defining a groove opening with a width w, which is smaller than the width at the bottom of the groove.
- This bent edge contributes to retaining the locking member 9 in the fixed state by preventing it from moving upwards out of the groove, but it will be understood that it is not necessary.
- the diversion member 6 is here of a design covering the inner surface of the groove 86, i.e. the exterior side of the glazing profile 8, resulting in the actual width w of the groove opening being somewhat smaller than the distance between the walls of the glazing profile 8.
- the width of the opening of the groove in the glazing profile it is to be understood as meaning the actual available width of the opening.
- the first portion of the diversion member is here made with a leg 68 lying closely against the inner side of the upper leg 82 on the glazing profile and is retained by the bent edge 85. When made of rubber, it serves as an anti-slip member contributing to keeping the locking member 9 in place.
- a small groove 68' in the leg 68 and a bead 69 on the diversion member at the opposite side of the groove 86 are specially adapted for retaining a plate-shaped locking member. This means that the first portion 61 of the diversion member is clamped between the glazing profile 8 and the plate member 9, thus contributing to increased friction between the glazing profile and the diversion member and consequently a more secure attachment.
- the resilience of a rubber diversion member will help to establish a tight-fitting engagement between the glazing profile, the diversion member and the locking member.
- the advantages of the small groove 68' and the bead 69 on the diversion member 6 also applies to embodiments of the invention, where the diversion member is made from a different material than rubber or where the rubber is used in combination with other materials.
- the small groove and bead should, however, not be regarded as a necessary part of a diversion member according to the invention.
- FIGs 6-8 Another embodiment of a locking member 109 is shown in Figs 6-8 , where like features have been given the same reference numbers as in Figs 1-5 , but with 100 added. Where nothing else is stated, such features have the same properties as explained above with reference to Figs 1-5 .
- the locking member 109 is of a elongated rounded shape with a slit 191 at the centre just as the one in Figs 4 and 5 and it is inserted and locked in the same way.
- the difference lies in the shape of the sides coming into engagement with the diversion member 106 and/or glazing profile 108, when the locking member is turned.
- these sides have been made with concave recesses 192, so that two contact points 193 are formed at the transition between the longer convex sides 194 and the recesses 192 forming the shorter concave sides.
- this shape means that there are two points of contact on each side, which leads to a particularly secure attachment of the locking member and hence the diversion member. Not only is the contact surface and hence the friction larger; the distance between the contact points also prevents the locking member from gradually and unintentionally moving towards the unsecured position under the influence of thermal expansion, the tension of the material of the diversion member and the glazing list, etc.
- the invention has been illustrated with reference to a centre-hung roof window, where the top members of the frame and the sash move away from each other when the window is opened, but it may also be used on other types of windows such as top-hung windows, windows having a hinge axis between the centre and the top or a dual function window capable of being operated both as centre-hung and top-hung.
- the diversion member has been described with reference to its primary intended use, i.e. to divert water, which is pressed upwards on the exterior surface of the pane. It will, however, be understood that the diversion member will also divert air and that it may therefore contribute to preventing draught caused by wind blowing directly into the ventilation opening and potentially improve the insulating properties of the window.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Description
- The present invention relates to a roof window, comprising a frame, a sash carrying a pane and a covering including a frame top covering member arranged on an exterior side of a frame top member and covering an exterior side of a sash top member, where a ventilation passage with an exterior ventilation opening is provided between the frame top covering member and the sash top member. The frame and the sash normally each comprise a top member, a bottom member and two side members forming rectangular units and the window has an interior side intended to face the interior of a building and exterior side intended to face the exterior of the building.
- Windows of this type are known for example from
WO2008/133539A2 andEP2317026B1 , where the amount of air passing through the ventilation passages are regulated by baffles, but windows with a permanent unobstructed ventilation passage are also known. - These windows function very well with regards to ventilation, but heavy winds may force water into the ventilation opening. This causes deterioration of the window and in some cases the water even reaches the interior of the building via the ventilation passage. This problem is particularly pronounced when the window is mounted in a low inclination roof and when the ventilation passage is without restriction means, such as baffles, or when these are left open.
-
EP0969178A1 discloses a roof window according to the preamble of claim 1, where flanges on the glazing list may potentially contribute to deflecting water towards the pane. These flanges are, however, located inside the ventilation passage and limit the available ventilation area of the ventilation passage. - It is therefore the object of the invention to provide a window where the risk of water entering the ventilation passage via the ventilation opening is reduced without affecting the ventilation properties considerably.
- This object is achieved with a roof window according to claim 1.
- The second portion of the diversion member having a free distal edge projecting in a direction away from the pane and the frame top covering member and hence also the sash top member, indicates that it is placed or arranged at an angle to the plane of the pane, thus forming a substantially wedge-shaped space between the second portion and the exterior side of the pane, i.e. below the first portion in the direction of slope of the window in the mounted state. Any water on the exterior surface of the pane, which is forced upwards on the pane by wind, will end up at the space between the second portion of the diversion member and the exterior side of the pane and hence be prevented from entering the ventilation opening, which is located on the opposite side of the second portion. Thus the water will only be able to penetrate into the ventilation passage if it builds up to a level, which is higher above the exterior surface of the pane than the free distal edge of the second portion of the diversion member.
- Preferably the angle between the overall direction of the second portion of the diversion member and the exterior side of the pane is approximately 45 degrees. This will provide a good balance between the need for maintaining a suitable ventilation opening and preventing water from entering the construction, but it is envisaged that any angle between 20 and 70 degrees may provide satisfactory results.
- The frame top covering member usually has a leg projecting from an exterior portion of the covering member towards the pane so that the ventilation opening is defined as the gap between the lower edge of this leg and the exterior surface of the pane or a glazing profile overlapping the edge of the pane. The first portion of the diversion member will then normally be located underneath the frame top covering member, behind the projecting leg, while the second portion will be locate on the opposite side of the leg above the exterior pane surface and not covered by the frame top covering member.
- The fact that the diversion member extends across the width of the window is not to be understood as if it has to extend over the entire width of the window, but to ensure a good visual impression of the window this will usually be the case. If the ventilation opening is present over only a part or parts of the width of the window it may be sufficient to provide the diversion member or members at these parts. Likewise it is to be understood that the first portion and the second portion do not need to have the same length. On the contrary, the first portion may in some cases advantageously be interrupted at a distance from the ends of the second portion to facilitate attachment of the diversion member and give room for other parts of the window. The first portion may be shortened during installation if needed and may be provided with indications and/or weaknings to assist such a shortening.
- Despite the fact that water will only very rarely overflow the distal edge of the second portion of the diversion member, water will nonetheless reach the side of the second portion facing away from the pane. Precipitation hits this side directly and water will be draining off from the exterior side of the frame top covering member. To enable the diversion member to reliably drain off such water, the second portion preferably has the shape of a gutter, which is open towards the exterior side of the window and open at the ends. This allows a considerable amount of water to collect in the gutter and to be drained off at the ends, where it will run out onto the pane or onto glazing profiles, diversion members or the like used as at sides of the window.
- In one embodiment the distance between an exterior side of the second portion forming the gutter and a lower edge of a leg of the frame top covering member projecting towards the pane is substantially constant when seen in a plane perpendicular to the length axis of the frame top member. In other words, the surface of the gutter has the cross-sectional shape of a sector of a circle. Other shapes are, however, also possible.
- It is also possible to provide one or more drainage opening(s) at the bottom of the gutter, preferably at a distance from its ends, and allowing water in the gutter to drain out onto the exterior surface of the pane. This will of course involve the risk of water penetrating from the pane and into the gutter, but in case of extreme wind or water pressure on the pane this may be advantageous since it will reduce the pressure on the diversion member and hence potentially prevent it from being torn loose.
- To provide optimal water tightness and flexibility, the diversion member is preferably made from synthetic rubber, such as rubber polymer modified bitumen (RPMB), polyurethane (PUR), ethylene propylene diene monomer (EPDM), nitrile rubber or silicone rubber, but it is also possible to make it from a more rigid material, such as polypropylene (PP), polyethylene (PE) or polyvinylchloride (PVC). Combinations, such as a rubber member with a strengthening inlay of plastic or metal, may of course also be applied. In any case the material(s) chosen should be able to endure exposure to water and UV radiation over an extended period of time.
- To minimize material consumption the diversion member may be of a hollow design with intermediate walls interconnection two surface walls of the second portion, one surface wall forming the gutter and the other facing the exterior side of the pane. This also provides dimensional stability and good insulating properties to the diversion member.
- In many types of windows the pane is fixed to the sash by means of a glazing profile, which is provided on the exterior side of the sash top member and overlapping an edge of the pane, so that the pane is clamped between the glazing profile and the sash top member. The glazing profile thus overlaps the narrow space between the pane and the sash and is usually attached to an exterior surface of the sash, which is substantially at level with the exterior side of the pane. Like glazing profiles are used at the bottom and sides of the window.
- Due to its position in the window and since it is usually formed with grooves extending in its length direction and open towards the exterior, the glazing profile constitutes an optimal point of attachment for the diversion member. It may, however, also be attached directly to the sash, for example if using a moulded plastic sash, where the pane is attached by adhesion and there is no need for a glazing profile.
- When attached to the glazing profile, the diversion member is preferably made with at least one local or longitudinal projection, bead or staggered section fitting into the groove. If the diversion member is made from rubber and the projection, bead or staggered section is made slightly oversize in relation to the groove, the diversion member may be held in place solely by friction. It is, however, also possible to use at least one locking member fixed in the glazing profile in a tight-fitting manner thereby retaining the diversion member in the groove. Such a locking member may serve solely to close off the opening of the groove, but the diversion member may also be clamped between the glazing profile and the locking member.
- One embodiment of a locking member is a rounded non-circular plate member having a first width, which smaller than the width of the opening of the groove in the glazing profile, and a second width which is substantially equal to or slightly larger than the opening of the groove. Such a locking member can be easily inserted in the groove and then turned into a tight-fitting engagement with the glazing profile, where its second width is substantially perpendicular to the length direction of the groove. To facilitate the turning to the tight-fitting fixed state the plate members are preferably provided with for example a recess or slit which can be engaged by a screw driver or a projecting flange or the like allowing it to be turned by hand or using tongs. Moreover, each side of the locking member coming into engagement with the diversion member and/or glazing profile in the fixed state may be provided with two contact points in order to provide a particularly secure attachment of the locking member.
- The diversion member may be provided with one or more local or longitudinal projections and/or grooves, which help keep the locking member(s) in place.
- Attachment of the diversion member to the glazing profile also facilitates the possibility for retrofitting it on existing windows. This may be easily done by removing the frame top covering member of an existing window, attaching the diversion member to the existing glazing profile and then remounting the frame top covering.
- Depending on its design, the diversion member may contribute to improving security by making it more difficult to insert a tool through the ventilation passage to activate the windows operator and open the window.
- Furthermore, the diversion member may contribute to the noise damping and/or insulating properties of the window.
- In the following the invention will be described in further detail with reference to a non-limiting embodiment shown in the drawing, where:
-
Fig. 1 is a cross-sectional sketch of the top of a centre-hung window in a plane perpendicular to the length axis of the frame top member, -
Fig. 2 is an enlargement of a section ofFig. 1 , -
Fig. 3 shows the upper left-hand corner of a window in a perspective view seen from the exterior side, where all covering members have been removed to expose the diversion member, -
Fig. 4 is a perspective view of a diversion member on a glazing profile with a locking member in the not yet fixed state, -
Fig. 5 corresponds toFig. 4 but with the locking member in the fixed state, -
Fig. 6 shows an another embodiment of a locking member, -
Fig. 7 shows the locking member inFig. 6 arranged on a diversion member in the not yet fixed state as inFig. 4 , but seen in a direction perpendicular to the plane of the pane, and -
Fig. 8 corresponds toFig. 7 but with the locking member in the fixed state. - A window according to the invention includes a frame 1 and a
sash 2 represented inFigs 1 and2 by a frametop member 11 and a sashtop member 21. Aventilation flap 25 and ahandle bar 26 on the sash top member are connected to alocking assembly 7 interconnecting the frame and the sash top members in a manner known per se. - The
pane 3 is attached to thesash top member 21 with aglazing profile 8 and it is to be understood that similar profiles are used at the sides as shown inFig. 3 and at the bottom of the window. - Attached to the exterior side of the
frame top member 11 is a frametop covering member 41, which covers the spacing between theframe top member 11 and thesash top member 21 as well as theglazing profile 8. Aleg 42 of the coveringmember 41 projects towards thepane 3 so that alower edge 43 thereof is located directly above theouter edge 81 of the glazing profile. - In this embodiment a
gaskets carrier 44 carrying a sealinggasket 45 is provided on the interior side of the frametop covering member 41 so that the sealing gasket is in engagement with anupstanding leg 82 of theglazing profile 8 in the closed state of the window. Though the sealing gasket is here shown in its initial state it is to be understood that it will be compressed by the contact with the glazing profile. Likewise it is to be understood that the window may also be made without such a sealing gasket and carrier and/or that a ventilation restriction means such as the baffle systems described inWO08133539A1 EP2317026B1 may be provided. - A gasket-
like diversion member 6 is arranged in theglazing profile 8 with afirst portion 61 arranged in a groove in the glazing profile formed by the innerupper leg 82 and a second upstanding leg 83 formed by abent section 84. As may be seen, the shape of the interior side of the diversion member corresponds closely to the shape of the exterior side of the glazing profile, which provide for an easy and reliable attachment. The diversion member could however also be attached to the exterior side of thepane 3 or directly to thesash top member 21, which might for example be the case if the pane were attached without the use of a glazing profile. Likewise, it is to be understood that the diversion may be in contact with the pane even if attached to a glazing profile as shown. - A
second portion 62 of the diversion member projects from thebent section 84 of the glazing profile out over the exterior side of thepane 3 and an angle α thereto so that a wedge shapedspace 31 is formed between the second portion and the pane. The second portion could in principle be at straight section or have a triangular cross-sectional shape, but in this embodiment it is curved so that the section closest to thedistal edge 63 is substantially perpendicular to the plane of the pane. - As may be seen, the
ventilation opening 51 formed between thelower edge 43 of the projectingleg 42 of the frametop covering member 41 and thelower edge 81 of the glazing profile is completely covered when seen in a direction in parallel with thepane 3 as indicated to by the arrow A. When seen in a direction perpendicular to the pane as indicated by the arrow B, however, an opening of the same size as theoriginal ventilation opening 51 is present between thedistal edge 63 of thesecond portion 62 of thediversion member 6 and the projectingleg 42 of the frametop covering member 41. This means that amount of air, which can pass through theventilation opening 51 and hence theventilation passage 52 is substantially the same as without the diversion member. - A curved shape is also found on the
exterior side 65 of the second portion, which ends in aprojection 64 at the proximal edge above thebent section 84 of the glazing profile, so that the exterior side of the diversion member forms a gutter. This gutter is substantially centred under thelower edge 43 of the projectingleg 42 of the frametop covering member 41 and is therefore capable of collecting water draining off from the frame top covering member. - In the embodiment shown the
diversion member 6 is of a hollow design with intermediate walls interconnection two surface walls of thesecond portion 62. This design is particularly suited for giving a rubber member dimensional stability, but it is to be understood that it may also be used with different materials and/or that the diversion member may be solid, made for example of rubber foam. Moreover, the diversion member may be made with inlays of different kinds and materials in order to achieve the desired properties. - Turning now to
Fig. 3 , the upper left-hand corner of a window is shown with the covering members removed so that the gutter formed by theexterior side 65 of thesecond portion 62 of the diversion member is clearly seen. - Water in the gutter may be drained off as shown by the arrows C either by flowing over the end edges 66 (only one of which are visible) of the diversion member and onto the
glazing profiles 8 at the sides of the window or throughdrainage openings 67 penetrating through the second portion. It would, however also be possible to make the gutter with closed ends or without the drainage openings. The drainage openings shown here are relative small to hinder water from penetrating into the gutter from below, but it would also be possible to provide them with a valve function. - The
first portion 61 is here somewhat shorter than thesecond portion 62 of the diversion member to facilitate assembly of the window, but this need not be the case. - In some cases the friction between the
diversion member 6 and theglazing profile 8 may be sufficient to establish a reliable connection. Nonetheless it is preferred to secure the diversion member either by adhesion or by mechanical means. One example of such a mechanical locking member is shown inFigs 4 and5 . It consists of anoval plate member 9 with a first width d1, which is slightly smaller than the width w of the opening of thegroove 86 in the glazing profile with mounted diversion member, and a second width d2, which is equal to or slightly larger than the width of the opening. For attaching the lockingmember 9 it is inserted in thegroove 86 with it largest width substantially in parallel with the longitudinal direction of the groove as shown inFig. 4 . It is then turned approximately 90 degrees to the position inFig. 5 , where it is clamped in a tight-fitting manner between the two legs of the glazing profile forming the groove. A common screw driver engaging theslit 91 at the centre of the plate may be used for turning it. - In the embodiment shown, the projecting
leg 82 of theglazing profile 8 has abent edge 85 projecting over thegroove 86 and defining a groove opening with a width w, which is smaller than the width at the bottom of the groove. This bent edge contributes to retaining the lockingmember 9 in the fixed state by preventing it from moving upwards out of the groove, but it will be understood that it is not necessary. - As will be seen the
diversion member 6 is here of a design covering the inner surface of thegroove 86, i.e. the exterior side of theglazing profile 8, resulting in the actual width w of the groove opening being somewhat smaller than the distance between the walls of theglazing profile 8. Whenever reference is made to "the width of the opening of the groove in the glazing profile" it is to be understood as meaning the actual available width of the opening. - The first portion of the diversion member is here made with a
leg 68 lying closely against the inner side of theupper leg 82 on the glazing profile and is retained by thebent edge 85. When made of rubber, it serves as an anti-slip member contributing to keeping the lockingmember 9 in place. In addition, a small groove 68' in theleg 68 and abead 69 on the diversion member at the opposite side of thegroove 86 are specially adapted for retaining a plate-shaped locking member. This means that thefirst portion 61 of the diversion member is clamped between theglazing profile 8 and theplate member 9, thus contributing to increased friction between the glazing profile and the diversion member and consequently a more secure attachment. The resilience of a rubber diversion member will help to establish a tight-fitting engagement between the glazing profile, the diversion member and the locking member. - The advantages of the small groove 68' and the
bead 69 on thediversion member 6 also applies to embodiments of the invention, where the diversion member is made from a different material than rubber or where the rubber is used in combination with other materials. The small groove and bead should, however, not be regarded as a necessary part of a diversion member according to the invention. - Another embodiment of a locking
member 109 is shown inFigs 6-8 , where like features have been given the same reference numbers as inFigs 1-5 , but with 100 added. Where nothing else is stated, such features have the same properties as explained above with reference toFigs 1-5 . - As may be seen the locking
member 109 is of a elongated rounded shape with aslit 191 at the centre just as the one inFigs 4 and5 and it is inserted and locked in the same way. The difference lies in the shape of the sides coming into engagement with thediversion member 106 and/orglazing profile 108, when the locking member is turned. In this embodiment, these sides have been made withconcave recesses 192, so that twocontact points 193 are formed at the transition between the longerconvex sides 194 and therecesses 192 forming the shorter concave sides. When the locking member is turned, this shape means that there are two points of contact on each side, which leads to a particularly secure attachment of the locking member and hence the diversion member. Not only is the contact surface and hence the friction larger; the distance between the contact points also prevents the locking member from gradually and unintentionally moving towards the unsecured position under the influence of thermal expansion, the tension of the material of the diversion member and the glazing list, etc. - If using a different kind of locking member, such as a spring member, which is inserted in a compressed state and then allowed to expand in the groove, different embodiments of the diversion member and possibly also the glazing profile may be advantageous or even needed.
- Here the invention has been illustrated with reference to a centre-hung roof window, where the top members of the frame and the sash move away from each other when the window is opened, but it may also be used on other types of windows such as top-hung windows, windows having a hinge axis between the centre and the top or a dual function window capable of being operated both as centre-hung and top-hung.
- The diversion member has been described with reference to its primary intended use, i.e. to divert water, which is pressed upwards on the exterior surface of the pane. It will, however, be understood that the diversion member will also divert air and that it may therefore contribute to preventing draught caused by wind blowing directly into the ventilation opening and potentially improve the insulating properties of the window.
Claims (14)
- A roof window having an interior side intended to face the interior of a building and an exterior side intended to face the exterior of the building, and comprising a frame (1), a sash (2) carrying a pane (3) and a covering including a frame top covering member (41) arranged on an exterior side of a frame top member (11) and covering an exterior side of a sash top member (21), where a ventilation passage (52) with an exterior ventilation opening (51) is provided between the frame top covering member (41) and the sash top member (21), wherein
a diversion member (6;106) is provided between the pane (3) and the frame top covering member (41) and extending across the width of the window substantially in parallel with the sash top member (21), said diversion member having a first portion (61) attached directly or indirectly to the sash top member (21) and a second portion (62) with a free distal edge (63) and a fixed proximate edge, characterized in that said second portion forms an extension of the first portion in a direction away from the frame top covering member and the pane in the closed state of the window, so as to substantially cover for the ventilation opening (51) when seen in a direction (A) parallel to the pane, but leaving an opening when seen in a direction (B) perpendicular to the pane, and in that a space (31) is formed between the second portion and the exterior side of the pane, said space having a substantially wedge-shaped cross-section in a plane perpendicular to the length axis of the frame top member. - A roof window according to claim 1, where an angle (α) between an overall direction of the second portion (62) of the diversion member and the exterior side of the pane (3) is 20-70 degrees, preferably approximately 45 degrees.
- A roof window according to any of the preceding claims, where the second portion (62) of the diversion member (6;106) has the shape of a gutter, which is open towards the exterior side of the window and preferably open at the ends (66).
- A roof window according to claim 3, where the distance between a exterior side (65) of the second portion forming the gutter and a lower edge (43) of a leg (42) of the frame top covering member (41) projecting towards the pane (3) is substantially constant when seen in a plane perpendicular to the length axis of the frame top member.
- A roof window according to claim 3 or 4, where one or more drainage opening(s) (67) are provided at the bottom of the gutter, said drainage opening(s) allowing water in the gutter to drain out onto the exterior surface of the pane (3).
- A roof window according to any of the preceding claims, where the first portion (61) is shorter than the second portion (62), the first portion being interrupted at a distance from the ends of the second portion.
- A roof window according to any of the preceding claims, where the diversion member (6;106) is made from synthetic rubber.
- A roof window according to any of the preceding claims, where the diversion member (6;106) is of a hollow design with intermediate walls interconnection two surface walls of the second portion (62).
- A roof window according to any of the preceding claims, where the diversion member (6;106) is attached to a glazing profile (8;108), which is provided on the exterior side of the sash top member (21) and overlapping an edge of the pane (3), so that the pane is clamped between the glazing profile and the sash top member.
- A roof window according to claim 9, where the first portion (61) of the diversion member (6;106) is provided in a groove in the glazing profile (8;108) open towards the exterior and where at least one locking member (9;109) is fixed in the glazing profile in a tight-fitting manner thereby retaining the diversion member in the groove, the diversion member possibly being clamped between the glazing profile and the locking member (9;109).
- A roof window according to claim 10, where the locking member (9;109) is a rounded non-circular plate member having a first width (d1), which smaller than the width (w) of the opening of the groove (86;186) in the glazing profile (8;108), and a second width (d2) which is substantially equal to or slightly larger than the opening of the groove, and where, in the fixed state, the locking member is arranged with its second width substantially perpendicular to the length direction of the groove in the glazing profile.
- A roof window according to claim 11, where each side of the locking member (109) coming into engagement with the diversion member (106) and/or glazing profile (108) in the fixed state are provided with two contact points (193).
- A roof window according to any of claims 10-12, where one or more projections and/or grooves (68',69) on the diversion member (6;106) help keep the locking member(s) (9;109) in place.
- A roof window according to any of the preceding claims including a set of pivot hinges arranged substantially midway between the top and bottom of the sash so that the window is centre-hung.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK201370293A DK178249B1 (en) | 2013-05-29 | 2013-05-29 | A roof window with a water diversion member |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2808461A1 EP2808461A1 (en) | 2014-12-03 |
EP2808461B1 true EP2808461B1 (en) | 2016-06-29 |
Family
ID=50774781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14170145.8A Active EP2808461B1 (en) | 2013-05-29 | 2014-05-28 | A roof window with a water diversion member |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2808461B1 (en) |
CN (2) | CN204139471U (en) |
DK (1) | DK178249B1 (en) |
PL (1) | PL2808461T3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201521717D0 (en) * | 2015-12-09 | 2016-01-20 | Keylight Roof Windows Ltd | A cover for a roof window |
US11946303B2 (en) * | 2019-02-26 | 2024-04-02 | Gdx, Llc | Fixture for venting a roof |
DK180977B1 (en) * | 2019-12-30 | 2022-08-29 | Vkr Holding As | A roof window system with a ventilation unit mounted adjacent to the roof window, a roof structure including a roof window system, a method of providing a roof window system and a method of retrofitting a roof window system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0969178A1 (en) * | 1998-06-30 | 2000-01-05 | VELUX Industri A/S | A window with a ventilation cover and a burglary preventing member |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE378644B (en) * | 1973-10-02 | 1975-09-08 | S A Hogedal | |
SE374578B (en) * | 1974-05-02 | 1975-03-10 | S A Hogedal | |
DE10217532A1 (en) * | 2002-04-17 | 2003-11-13 | Roto Frank Ag | Roof window with clipped cover |
PL217419B1 (en) * | 2007-04-27 | 2014-07-31 | Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością | Roof window with air inlet channel |
PL2317026T3 (en) * | 2009-11-02 | 2012-11-30 | Vkr Holding As | Ventilation device and roof window system |
PL227908B1 (en) * | 2011-08-05 | 2018-01-31 | Fakro Pp Spólka Z Ograniczona Odpowiedzialnoscia | Side stiles cover system of roof window |
-
2013
- 2013-05-29 DK DK201370293A patent/DK178249B1/en active
-
2014
- 2014-05-28 EP EP14170145.8A patent/EP2808461B1/en active Active
- 2014-05-28 PL PL14170145.8T patent/PL2808461T3/en unknown
- 2014-05-29 CN CN201420283759.0U patent/CN204139471U/en not_active Expired - Lifetime
- 2014-05-29 CN CN201420282585.6U patent/CN204139470U/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0969178A1 (en) * | 1998-06-30 | 2000-01-05 | VELUX Industri A/S | A window with a ventilation cover and a burglary preventing member |
Also Published As
Publication number | Publication date |
---|---|
PL2808461T3 (en) | 2016-12-30 |
CN204139470U (en) | 2015-02-04 |
DK178249B1 (en) | 2015-10-05 |
CN204139471U (en) | 2015-02-04 |
EP2808461A1 (en) | 2014-12-03 |
DK201370293A1 (en) | 2014-12-15 |
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