EP1988230B1 - Dachfenster - Google Patents

Dachfenster Download PDF

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Publication number
EP1988230B1
EP1988230B1 EP07107459A EP07107459A EP1988230B1 EP 1988230 B1 EP1988230 B1 EP 1988230B1 EP 07107459 A EP07107459 A EP 07107459A EP 07107459 A EP07107459 A EP 07107459A EP 1988230 B1 EP1988230 B1 EP 1988230B1
Authority
EP
European Patent Office
Prior art keywords
sash
frame
members
space
roof window
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.)
Not-in-force
Application number
EP07107459A
Other languages
English (en)
French (fr)
Other versions
EP1988230A1 (de
Inventor
Bjarne Borresen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VKR Holding AS
Original Assignee
VKR Holding AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by VKR Holding AS filed Critical VKR Holding AS
Priority to EP07107459A priority Critical patent/EP1988230B1/de
Priority to EP08734554A priority patent/EP2142723B1/de
Priority to PCT/DK2008/050099 priority patent/WO2008135048A1/en
Priority to AT08734554T priority patent/ATE543967T1/de
Priority to PL08734554T priority patent/PL2142723T3/pl
Priority to CNU2008201118674U priority patent/CN201221163Y/zh
Publication of EP1988230A1 publication Critical patent/EP1988230A1/de
Application granted granted Critical
Publication of EP1988230B1 publication Critical patent/EP1988230B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04D13/0305—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
    • E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
    • E04D13/0351—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis
    • E04D13/0354—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis the parts being flat

Definitions

  • the present invention relates to a roof window comprising a frame and a sash each including a top member, a bottom member and a pair of mutually opposite side members, said sash carrying a pane and being connected with the frame by means of a pair of pivot hinges defining a hinge axis, which is substantially parallel with the top and bottom members, in which covering members are provided on the outside for shielding the sash and frame members against the weather and where a sealing strip is arranged between the pane and the sash, said sealing strip comprising a top portion, a bottom portion and two side portions corresponding to the top, bottom and side members of the sash.
  • Roof windows of this kind are known in a number of different configurations and have proven to function very well in a number of different uses.
  • condensation is known to be a problem as it causes the growth of mould or alga, particularly on the bottom sash member and on the bottom portion of the sealing strip. Over time this causes tarnishing and possible deterioration of the material of the sash and frame members.
  • windows for bathrooms and like have been made from plastic or from plastic covered wood. Plastic has excellent resistance to humidity, as it is by nature non-hygroscopic and as it may contain fungicides.
  • Prior art plastic windows are known from a plurality of patent applications such as for example EP 0742335 A2 . These windows, however, all seem to have been designed with the primary purpose of exploiting the possibilities and comply with the limitations of plastic materials, whereas the possibility of reutilising other parts known from roof windows having wooden sash and frame has not been taken into consideration. This has caused a massive increase in the number of items to be kept in stock for the production of the different types and sizes of roof windows. In addition, the lack of reutilisation often causes a lack of consistency as regards the physical appearance or design of the windows, which may especially be experienced as a problem, when both plastic and wooden windows are used in the same building.
  • a second problem with the known plastic windows is that plastic is more sensitive to overheating than wood and that the sash and frame profiles may thus be weakened when provided with dark coloured coverings as is the case with practically all of the roof windows that are commercially available today.
  • a third problem with the known plastic windows is, as mentioned above, the formation of condensation on the inside of the pane.
  • the object of the invention is achieved with a roof window according to claim 1.
  • the space functions to isolate the covering from the main body of the profile, thereby minimizing the transfer of heat and entailing the above described advantages.
  • natural ventilation caused by thermal effects may also be achieved within the space, leading to a cooling thereof. The need for air-conditioning of the room beneath the window may thus be reduced.
  • the space constitutes at least 1/10 of the total cross sectional width of the sash and frame in a direction parallel to the longitudinal direction of the top and bottom members, preferably at least 1/5 of the total width.
  • the space should, however, not be so big that the strength and stability of the sash or frame is jeopardized or that the window is unsuitable for use during the winter season.
  • the hinges are arranged in the space approximately half way between the top and bottom members of the sash. It is therefore preferred that the width of the space is at least a big as the width of standard type pivot hinges.
  • the frame and sash members are preferably made from polyvinylchloride, which has proven particularly well suited for the purpose, and that hollows in one or more the frame and/or sash members may be wholly or partly filled with an insulating material to improve the insulating properties of the window.
  • the provision of insulation may contribute to minimizing condensation, not only at the pane but also at the gasket tightening the meeting between the sash and frame.
  • the latter may further be facilitated if a thermal conductor is provided in one or more the frame and/or sash members at a surface thereof facing the room beneath the window and adjacent to the gasket.
  • a thermal conductor is preferably provided in a hollow of the frame or sash member.
  • a window having the properties described above may be made by cutting extruded plastic profiles into appropriate pieces corresponding to the length of the frame and sash members, interconnecting these pieces by gluing, welding or the like or by means of appropriate fittings to form rectangular framings and customizing at least one profile piece by trimming or by addition of an adaptation element.
  • different profiles may be used for each type.
  • the side frame members are made from a profile having a projecting flange and the flange is removed from a part of each side frame member by cutting or milling and/or that a striking plug is attached to the side of each side sash member intended to face the corresponding side frame member.
  • FIG. 1 A centre-hung roof window according to the invention is shown in Fig. 1 .
  • the window comprises a pane 1, mounted on a sash 2, which is interconnected with a stationary frame 3 by means of pivot hinges 4.
  • the sash and frame each comprises a top member 21,31, a bottom member 22,32 and two side members 23,33,24,34 and the hinges are located approximately half way between the top and bottom members.
  • a covering member 5 is provided above the line 6, where the sash and frame members meet, to thereby prevent rainwater and the like from entering the structure.
  • On the right side of the window the corresponding covering has been removed to expose the sash and frame members, but it is to be understood that this is only for illustration purposes.
  • Also missing in Fig. 1 are the covering members covering the lower half of the sides and other elements, which are not attached until the window have been mounted in the roof.
  • Fig. 2 shows a cross section of the sash and frame at a point above the hinge.
  • both the sash and the frame are made of profiles consisting of a number of closed hollows 231,232,331,332,333.
  • the exterior shape of the sash and frame members are such that when arranged closely adjacent to each other as shown in Fig. 2 a space 7 is defined between recessed surfaces 234,334 at the upper parts of the profiles.
  • the dimensions of the space correspond to the dimensions of common type pivot hinges (not shown in Fig. 2 ), which are arranged in the space as suggested in Fig. 1 .
  • the hollows 231,331 facing inwards in the mounted state of the window are almost entirely filled with an insulating material such as expanded polystyrene (EPS).
  • EPS expanded polystyrene
  • Other hollows may also be filled depending among other things on the climate in which the window is to be used and on the number and distribution of the hollows.
  • the method of introduction of the insulating material depends on the material used and will be straight forward to the person skilled in the art.
  • an angular or L-shaped flange 335 is provided on the upper side of the frame member 33 .
  • a first leg 3351 thereof being substantially perpendicular to the plane of the pane 1 and the second leg 3352 being substantially parallel with the pane 1 and extending from the first leg 3351 in the direction towards the pane 1.
  • the second leg projects over the space 7 between the sash and frame and supports a covering member 51 intended to protect the meeting between the sash and the frame from the ingress of rainwater and the like.
  • a similar flange is provided on the opposite side frame member 34.
  • the flanges 335 on the side frame members are only provided on the uppermost half of the frame between the hinges and the top frame member. This is due to the fact that the window is centre-hung and that the covering of the meeting between the sash and the frame is therefore split in two; the upper half being mounted on the frame and the lower half being mounted on the sash. If applying the present method of mounting the covering to a window having a different location of the hinge axis the location of the flanges on the side members should merely be adjusted accordingly. Flanges could also be provided on parts of the sash side members located below the hinge axis.
  • the top frame member 31 is provided with a similar flange 311 corresponding to the one on the side member 33 but extending over the entire length of the top member.
  • the covering or cassette is attached to the upper surface 336 of the main body of the top frame member, the flange serving only as a support preventing excessive deflection of the covering under the influence of wind pressure or if stepped on by persons working on the roof.
  • the height of the flange 335 not only allows the mounting of the covering 51 in the right level in relation to other parts of the window, it also provides a thermal separation between the covering and the bearing part of the frame.
  • the covering members who are normally made from aluminium painted in a dark colour, can become extremely hot leading to a warming of the supporting structure.
  • wooden profiles for the frame members this is no problem, but most plastics are sensitive to warming; some become softer and most deteriorate under the long-term influence of heat.
  • the flange configuration according to the invention the covering is kept at a distance from the bearing part of the frame profile, which is thereby kept relatively cool.
  • Polyvinylchloride commonly known as PVC
  • PVC Polyvinylchloride
  • the flange 335 could then be extended or redesigned to allow it to completely cover and proof the space 7 and the meeting between the sash and frame in the closed state of the window.
  • UV protection could for example be achieved by painting the profile in a dark colour, by applying an appropriate foil or the like.
  • a flange is only provided on the upper half of the side frame members and on the top frame member. It is, however, to be understood that the general idea of using flanges for supporting the covering members at a distance above the main body of the profile may also be employed in the design of sash profiles.
  • the profiles having a flange are preferably extruded with a flange over their entire length, the profile subsequently being trimmed for the specific window to be made by removal of some of the flange. This may for instance be achieved by milling.
  • the flange may be provided in the form of an adaptation element added to relevant portions of the profile after extrusion. Under normal circumstances the removal of portions of the flange will be cheaper than adding them later.
  • Fig. 4 shows a cross-sectional view of the right side of the sash and frame between the hinge and the bottom members.
  • the side frame member 33 has no flange at this point, the covering 53 instead being attached to a plug 9, which is located in the space 7 between the sash and frame and which is fastened to the side sash member by means of a screw 91.
  • the plug further serves to holding the gasket 10, which tightens the meeting between the sash and frame.
  • the space is maintained and the gasket is held in a groove formed by a projecting tongue 11 on the side sash member as may be seen from Fig. 5 , which shows the lower right corner of the window with the side frame member removed.
  • the tongue may be extruded over the entire length of the profile and then trimmed or added to the profile as an adaptation element.
  • the former option is usually preferred.
  • the plug is preferably added when the tongue has been completed and the gasket attached.
  • the gasket 10 is attached to the side frame member at the uppermost part of the window as shown in Fig. 2 and to the side sash member at the lowermost part of the window as shown in Fig. 4 and 5 .
  • the gasket shown in Figs. 2 and 4 deviates from the ones formerly used by having a pair of longitudinal cavities 101,102. These cavities increased the resilience of the gasket giving it an increased draw-out resistance.
  • the plug 9 only fills the lowermost part of the space 7, the rest of it remaining open and working as thermal insulation as explained above.
  • common type roof windows having a wholly or partly wooden sash it is not possible to use a tongue 11 and the space 7 is therefore occupied by a relatively bulky striking bead.
  • the plug In addition to closing the space 7 at its lower end the plug also terminates the bottom sash profile 22, the nose 92 of the plug (see Fig. 5 ) corresponding in size and shape to the flat projecting part 221 of the bottom sash profile (see Fig. 7 ).
  • Fig. 6 shows the lowermost right corner of the window in detail, where the pane and the bottom covering member have been removed.
  • a cross sectional view of the bottom part of the window is shown in Fig. 7 .
  • the sealing strip 82 used between the pane 1 and the bottom sash member 22 comprises a relatively flat base part 821 and an upwards projecting bead 822.
  • the bead is hollow, allowing it to be compressed upon mounting of the pane.
  • Fig. 7 the bead is shown in the uncompressed state for illustration purposes. Under normal conditions the pane is not in contact with base part of the sealing strip.
  • the bead 822 has been interrupted at a distance from the side portion of the sealing strip 84, whereas the base part 821 continues.
  • the width of the channel should be so big that there is no risk of capillary ascension, but should on the other hand be so small that it does not cause a draught. A width of a few millimetres is preferred.
  • the bottom sealing strip 82 is interrupted completely, thereby forming a deeper channel or allowing the use of a simpler sealing strip with no bead.
  • the interruptions of the sealing strip are preferably located at the corners of the pane as condensation often collects here, but other locations are also possible. Likewise, depressions of the strip, a groove formed therein or any other means entailing the formation of a drainage channel would also be serve the purpose.
  • the sash and/or frame profiles are therefore provided with insertions 12 serving as heat bridges conducting heat from the room beneath the window towards the gasket level. Examples of the location of the insertions are shown in Fig. 7 and 8 .
  • the insertions preferably consist of a metal such as aluminium or steel and may also serve to strengthen or stiffen the plastic profile.
  • Insertions serving only as strengthen or stiffen members may also be provided in combination with or as an alternative to those serving as heat bridges.
  • Insertions may be provided only in one of the adjacent profiles as shown in Fig. 7 or in both as shown in Fig. 8 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Wing Frames And Configurations (AREA)
  • Seal Device For Vehicle (AREA)
  • Glass Compositions (AREA)
  • Window Of Vehicle (AREA)

Claims (9)

  1. Dachfenster mit einem Rahmen (3) und einem Flügel (2), die jeweils ein oberes Element (21, 31), ein unteres Element (22, 32) und ein Paar einander gegenüberliegender Seitenelemente (23, 33, 24, 34) aufweisen, wobei der Flügel (2) eine Fensterscheibe (1) trägt und mit dem Rahmen (3) über ein Paar von Schwenkscharnieren (4) verbunden ist, die die Rahmenseitenelemente (33, 34) mit den Flügelseitenelementen (23, 24) verbinden und eine Scharnierachse festlegen, die im Wesentlichen parallel zu den oberen und unteren Elementen (21, 31; 22, 32) verläuft, wobei Abdeckelemente (5) an der Außenseite vorgesehen sind, um die Flügel- und Rahmenelemente gegenüber dem Wetter abzuschirmen, und wobei ein Dichtungsstreifen (84) zwischen der Fensterscheibe (1) und dem Flügel (2) angeordnet ist, wobei der Dichtungsstreifen (84) einen oberen Abschnitt, einen unteren Abschnitt und zwei Seitenabschnitte aufweist, die dem oberen Element (21), dem unteren Element (22) und den Seitenelementen (23, 24) des Flügels (2) entsprechen, dadurch gekennzeichnet, dass die Rahmen- und Flügelelemente (31, 32, 33, 34; 21, 22, 23, 24) aus extrudierten Kunststoffprofilen hergestellt sind, und dass ein Raum (7) zwischen den Seitenelementen (33, 34; 23, 24) des Rahmens (3) und des Flügels (2) an beiden Seiten des Fensters gebildet ist, wobei sich der Raum (7) über die gesamte Länge der Seitenelemente (33, 34; 23, 24) erstreckt und in dem montierten Zustand nach oben offen ist, dass der Raum (7) zwischen zurückgezogenen Oberflächen (234, 334) an dem oberen Teil der Profile gebildet ist, wobei die Abmessungen des Raums (7) den Abmessungen des Schwenkscharniers (4) entsprechen, das in dem Raum (7) angeordnet ist, dass in dem montierten Zustand der Raum (7) an seinem untersten Ende durch einen Einsatz (9) verschlossen ist, wobei eine Abdeckung (53) an dem Einsatz (9) angebracht ist, wobei der Einsatz (9) näherungsweise dieselbe Querschnittsform und dieselbe Größe wie der Raum (7) selbst hat, und dass der Einsatz (9) dazu dient, eine Dichtung (10) zu halten, die das Zusammentreffen zwischen dem Flügel (2) und dem Rahmen (3) spannt.
  2. Dachfenster nach Anspruch 1, dadurch gekennzeichnet, dass der Raum (7) wenigstens 1/10 der gesamten Querschnittsbreite des Flügels (2) und des Rahmens (3) in einer Richtung parallel zu der Längsrichtung des oberen Elements (21; 31) und des unteren Elements (22; 32) bildet, vorzugsweise wenigstens 1/5 der gesamten Breite.
  3. Dachfenster nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Scharniere (4) in dem Raum etwa auf halbem Wege zwischen dem oberen und unteren Element des Flügels (2) angeordnet sind.
  4. Dachfenster nach Anspruch 1, dadurch gekennzeichnet, dass der Einsatz (9) als eine Anschlagleiste dient.
  5. Dachfenster nach Anspruch 1 oder 4, dadurch gekennzeichnet, dass der Einsatz (9) als ein Befestigungspunkt für die Abdeckung (5) dient.
  6. Dachfenster nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Rahmen- und Flügelelemente (31, 32, 33, 34; 21, 22, 23, 24) aus Polyvinylchlorid hergestellt sind.
  7. Dachfenster nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass wenigstens eine Ausnehmung (231, 232, 331, 332, 333) in einem oder mehreren der Rahmen- und/oder Flügelelemente (31, 32, 33, 34; 21, 22, 23, 24) vollständig oder teilweise mit einem Isoliermaterial gefüllt sind.
  8. Dachfenster nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass ein Wärmeleiter in einem oder mehreren der Rahmen- und/oder Flügelelemente (31, 32, 33, 34; 21, 22, 23, 24) an einer Oberfläche davon, die zu dem Raum unter dem Fenster weist, und benachbart zu einer Dichtung (10) vorgesehen ist, die die Linie (6) spannt, wo der Rahmen (3) und der Flügel (2) aufeinandertreffen.
  9. Dachfenster nach Anspruch 8, dadurch gekennzeichnet, dass das Wärmeleiter in einer Ausnehmung (231, 232, 331, 332, 333) des Rahmens- oder Flügelelements vorgesehen ist.
EP07107459A 2007-05-03 2007-05-03 Dachfenster Not-in-force EP1988230B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP07107459A EP1988230B1 (de) 2007-05-03 2007-05-03 Dachfenster
EP08734554A EP2142723B1 (de) 2007-05-03 2008-05-02 Dachfenster
PCT/DK2008/050099 WO2008135048A1 (en) 2007-05-03 2008-05-02 A roof window
AT08734554T ATE543967T1 (de) 2007-05-03 2008-05-02 Dachfenster
PL08734554T PL2142723T3 (pl) 2007-05-03 2008-05-02 Okno dachowe
CNU2008201118674U CN201221163Y (zh) 2007-05-03 2008-05-04 屋顶窗户

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07107459A EP1988230B1 (de) 2007-05-03 2007-05-03 Dachfenster

Publications (2)

Publication Number Publication Date
EP1988230A1 EP1988230A1 (de) 2008-11-05
EP1988230B1 true EP1988230B1 (de) 2012-08-22

Family

ID=38565583

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07107459A Not-in-force EP1988230B1 (de) 2007-05-03 2007-05-03 Dachfenster
EP08734554A Not-in-force EP2142723B1 (de) 2007-05-03 2008-05-02 Dachfenster

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08734554A Not-in-force EP2142723B1 (de) 2007-05-03 2008-05-02 Dachfenster

Country Status (5)

Country Link
EP (2) EP1988230B1 (de)
CN (1) CN201221163Y (de)
AT (1) ATE543967T1 (de)
PL (1) PL2142723T3 (de)
WO (1) WO2008135048A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101899890B (zh) * 2010-07-21 2011-12-21 广东金刚幕墙工程有限公司 一种电动开启排烟天窗
DE202012009491U1 (de) * 2011-10-04 2013-02-13 Vkr Holding A/S Untere Fensterflügeldichtung und Dachfenster mit unterer Fensterflügeldichtung
EP2669447B1 (de) * 2012-05-30 2014-12-17 Alutechnik Matauschek GmbH Einflügeliges Klappflügelfenster für Dachflächen
CN102797324A (zh) * 2012-09-12 2012-11-28 万维通风设备江苏有限公司 旋转采光自然通风天窗
CN102912943A (zh) * 2012-11-19 2013-02-06 五矿瑞和（上海）建设有限公司 一种屋面开启式采光天窗
CN103850400B (zh) * 2012-12-07 2016-04-20 江河创建集团股份有限公司 一种高性能采光顶
CN105649280B (zh) * 2015-12-28 2018-03-13 山东华信塑胶股份有限公司 一种阳光房天窗系统及其制造方法
CN111720018A (zh) * 2020-05-27 2020-09-29 常熟市华能门窗装饰有限公司 一种铝型材连接件及其加工方法
PL441214A1 (pl) * 2022-05-18 2023-11-20 Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością Okno dachowe z co najmniej jedną ramą okienną oraz kołnierzem ramiaka dolnego ramy okiennej
EP4379161A1 (de) 2022-11-29 2024-06-05 VKR Holding A/S Dachfenster mit polymerprofil mit einer hautschicht
WO2024088752A1 (en) 2022-10-28 2024-05-02 Vkr Holding A/S Roof window comprising polymer profiles with metal reinforcement
EP4379160A1 (de) 2022-11-29 2024-06-05 VKR Holding A/S Dachfenster mit polymerprofilen mit metallverstärkung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320321A1 (de) * 1992-06-19 1993-12-23 Stell D O O Dachflächenfenster
DE19517212C2 (de) 1995-05-11 1998-07-30 Roto Frank Ag Flügelrahmen eines Fensters oder dergleichen
EP1510631B1 (de) * 2003-08-30 2009-04-29 Roto Frank Ag Dachfenster
EP1674634B1 (de) * 2004-12-24 2019-05-15 VKR Holding A/S Dachfensterrahmen geeignet für eine standardisierte Herstellung

Also Published As

Publication number Publication date
EP1988230A1 (de) 2008-11-05
EP2142723B1 (de) 2012-02-01
PL2142723T3 (pl) 2012-07-31
ATE543967T1 (de) 2012-02-15
EP2142723A1 (de) 2010-01-13
WO2008135048A1 (en) 2008-11-13
CN201221163Y (zh) 2009-04-15

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