EP2636811B1

EP2636811B1 - A skylight comprising multilayer panes and a connection system

Info

Publication number: EP2636811B1
Application number: EP13158038.3A
Authority: EP
Inventors: Marcus Henricus Marie Meijers; Ruud Schrijvers; Pieter Bax
Original assignee: Giocondo BV
Current assignee: Giocondo BV
Priority date: 2012-03-06
Filing date: 2013-03-06
Publication date: 2020-12-30
Anticipated expiration: 2033-03-06
Also published as: EP2636811A1; NL1039435C2

Description

The present invention relates to skylights comprising multilayer panes and a connection system.
Skylights are used in the construction of residences, offices, and the like. Skylights often comprise one, but usually several multilayer panes. Every multilayer pane is usually set in a frame and/or comprise an additional construction on the inside or outside of the glass panes to achieve required structural integrity. Examples of such systems are disclosed in EP324927 , EP392033 , FR2874947 , EP2189609 , EP130438 and US4471584 . NL7605536 and DE3301757 disclose systems where the connection between multi-layer glass panes along the length of the panes (parallel to 3" in Fig 1 of the present applications), i.e. in the vertical direction, are supported by a frame.
DE 3301757 describes a system for mounting multi-layered windows as structural element for cars. This is not a system that can be used to mount two (or more) window panes directly next to each other as required in a skylight.
GB2459431 describes a skylight according to the preamble of claim 1, which has complex profiles incorporated in the side of the multilayer panes to allow easy connection between the multilayer panes.
The aim of the invention is an improved connection system.
This problem is solved by a skylight according to appended independent claim 1 and the use thereof according to appended claim 15.
By the construction of the skylight as defined in appended claim 1 an optimal light gain is obtained. This construction does not require a construction at the inside (within the building) or outside of the multilayer glass panes.
The multilayer panes are transparent in order to function as a skylight. The panes may be of a transparent plastic, like polycarbonate or polymethylmethacrylate. Preferably, the multilayer panes are multilayer glass plates.
The connection system of the skylight fills (bridges) the gap between two multilayer panes. Generally, the distance is less than 12 mm, more preferably less than 10 mm, and most preferably about 8 mm or 6 mm. In general, the minimal distance will be 4 mm, to obtain a reliable seal between two multilayer panes.
According to the invention the skylight comprises first and second multilayer panes, wherein a pane may comprise three layers of glass and two spacers, in which the spacers, together with the glass plates, define two openings, and in which the multilayer panes have specific in- and outsides. The multilayer pane may comprise four or more glass plates, if so desired, but this is generally not economically attractive. The multilayer panes may have three or more glass plates, wherein the pane or panes between the outer glass plates are a bit smaller. Thereby, the spacers, together with the smaller pane form one opening. This one opening may be the space between the two outermost panes.
The connection system comprises a rigid profile comprising preferably a, or at least one, leg (vertical to the plane of the glass) and a, or at least one, bar (parallel to the glass), wherein the leg of the profile has a length of at most approximately the distance between the out- and insides of the multilayer panes, wherein the bar of the profile is suited to be inserted into one of the openings.
Preferably, a bar of the profile is suited to be inserted into the opening at the side of the inside of the multilayer pane.
Preferably the leg of the profile has a length smaller than the distance between the external sides of the glass plates. However, the leg may also have a length of approximately the openings in the direction vertical to the plane of the glass. The profile may have two legs and two bars. The profile may have the form of a beam, for example a hollow beam.
In a second embodiment of the invention the connection system of the skylights suited to be used in a multilayer pane comprising only two glass plates. In that case, the spacer in this multilayer pane may be provided with one opening, or be provided with two of more openings.
In a further embodiment, the multilayer panes have an opening for the structural profile that is formed by the two outer panes, and the spacers that keep the panes at a distance, optionally with cement (or sealant) that keeps the spacers in place. An inner (glass) pane should in this case have a slightly smaller size. Such opening allows a relatively large beam-like profile to be inserted.
Preferably the skylight according to the invention comprises a strip suited to seal the space between the multilayer panes at the outside. Such a strip preferably consists of a weather and light resistant flexible plastic material, such as a rubber or elastomer, such as - preferably - EPDM (ethylene-propylene-diene monomer) rubber, an EP elastomer, or a PVC (polyvinyl chloride) based flexible material.
Preferably the skylight according to the invention comprises a strip suited to seal the space between the multilayer panes at the inside. The use of such a strip increases the insulating value of the skylight. Such a strip is preferably made of a plastic, and may be realized in the same color as the visible sides of the spacers. In an alternative embodiment the strip is transparent. The strip at the inside may be the same as the strip at the outside
Preferably the connection system of the skylight according to the invention comprises a gutter-shaped element that may function as a water drain.
Furthermore, it is useful to provide the frame at the lower side with means to drain off water. A gutter-shaped element is useful to prevent water accumulation in the connection element between the multilayer panes. If necessary, accumulation may be prevented by sealing the gap with a sealant. However, sealing has the disadvantage that the gap to be sealed must be clean and dry. In addition, the sealing requires manual precision labor. The use of strips is simpler.
Furthermore, the system provides a so-called thermal barrier. Generally, the profile - if for example made of aluminum - would cause a heat sink, as metal is a good conductor. The connection system of the skylight according the invention provides at least one element that prevents conduction through the connection system. Preferably, the gutter-shaped element provides such element. The thermal barrier is preferably provided within the space between the outer panes, in order to prevent thermal conductivity from the glass, via the metal profile through the multi-layered pane.
In a first preferred embodiment of the invention this gutter-shaped element is a strip of plastic material, such as, for example, HDPE (high-density polyethylene) or PP (polypropylene). Preferably, this strip is suited to be inserted into the opening at the side of the outside.
In a second preferred embodiment according to the invention the gutter-shaped element is integrated in the profile. This is preferred because it requires one element less.
The gutter-shaped element may also be suited to increase the windproofness of the connection element, because the bulges within, or at the end of the gutter-shaped element press against the multilayer pane, usually in the opening of the spacer.
The gutter-shaped element may be provided with raised edges that fall between glass plates of two multilayer panes, preferably the glass plates that are applied at the outsides. This way, a further improved seal may be obtained, because the sealing strip abuts against the smooth plastic layer in at least one place, which layer, in turn, abuts against the glass plate over a certain height.
The gutter-shaped element may be applied at the inside as well, not because of the water drainage function, but, for example, to form extra means for windproofing, and/or to have the sealing strip provide a better seal.
As disclosed above, the connection system suited for these multilayer panes preferably comprises a rigid profile that preferably comprises at least one leg (vertical to the plane of the glass) and at least one bar (parallel to the glass), in which the leg of the profile has a length of at most approximately the distance between the out- and insides of the multilayer panes, in which the bar of the profile is suited to be inserted into one of the openings. This rigid profile may be constructed in a number of ways.
Preferably the connection system of the skylight according to the invention comprises a T-, I-, or X-profile. In case of a T- profile it is preferred to construct the bar of the T in such a way that it is suited to be inserted into the opening of the spacers of two abutting multilayer panes. A profile may also be an I-profile, in which the two bars are suited to be inserted into the openings of the respective spacers of both multilayer panes. More specifically the I-profile may be constructed in such a way that the side of the I that will be placed at the outside, is provided with a gutter-shaped element (herein hereafter also referred to as "gutter"). Other embodiments of the profile are possible, such as, for example, two C-profiles. In this case every multilayer pane may be provided with such a structural element, and the two bar parts of every C are suited to be inserted into the opening of a multilayer pane each. These C-profiles may already be applied in a workplace or in the factory. This further simplifies the installation of a skylight. During the construction of the skylight the multilayer panes may then simply be pushed against each other. In another embodiment the profile is an X-profile, in which the bar is inserted into the openings of spacers, and the leg part has a length of approximately the distance between the out- and insides of the multilayer panes, or a little less.
In a further embodiment, the profile is a beam of a size slightly smaller than the vertical distance between the outer panes. The beam may be e.g. hollow or may be filled with thermal insulating material like a foam. On the side of the beam for the exterior, preferably, the gutter shaped element is provided. The gutter may be extruded on the beam, or may be supplied as a separate element.
The profile has to contribute to the mechanical integrity of the skylight, and for that needs to aid in the prevention of bending of the multilayer panes in case of significant pressures, for example, when there is a lot of snow on a roof, the profile is preferably at least partly constructed of stainless steel or another material that may offer a significant resistance to bending. It is, for example, also possible to use a carbon fiber reinforced plastic.
If so desired, the profile may be provided with screw holes to screw the upper and lower sides to a frame. As indicated already, the profile itself may be provided with a gutter-shaped element to facilitate water drainage as well.
The profile and/or the gutter are preferably mounted in such a way that they form a windproof seal. For this, the profile and/or the gutter may be mounted with a clamped fit. If so desired, rubber strips may be used to ensure the seal.
The skylight according to the invention has the advantage that an optimal light gain is obtained. Additionally, savings in materials and money are realized. The skylight according to the invention allows a high degree of standardization, which, for the consumer and architect, has the advantage of a cost effective freedom in design within the limits of the standard.
The skylight according to the invention comprises at least two multilayer panes and at least one connection system as defined by the appended claims.
Preferably, the skylight according to the invention comprises at least three multilayer panes and at least two connection systems as described above.
The connection system will generally be used in the direction of the multilayer panes where there is a height difference, i.e. the vertical direction, generally along the length of the multilayer panes (which is denoted in Fig 1 parallel to line 3").
The multilayer panes that may be used in the skylight according to the invention, each preferably have a weight of less than 30 kg, and more preferably the multilayer panes are about 25 kg, and even more preferably less than 23 kg. This is an advantage, because in that case the panes may be placed without relatively expensive auxiliary aids. In construction, elements with a weight up to 25 kg may be processed manually. This limit may be tightened up to 23 kg in the near future. Heavier elements must be moved and placed with mechanical devices. In new constructions this is usually not so much of a problem, because in general a crane will be present. However, especially in the renovation of existing constructions, for example, in case of the construction of an extension like a sun parlor at the back of a house, the placement of heavy elements may entail high costs.
The multilayer panes that are suited for the skylight according to the invention are preferably at most 120 centimeter long, and more preferably each pane is about 100 or 110 cm long. The width is then, for a given weight, dependent of the thickness of the glass plates. The width is, for example, approximately 60, 70, 75, 80, 85, 90, or 95 cm. The width may also be 100 cm. Preferred dimensions are 100x100 cm and 90x110 cm.
In another embodiment of the invention the multilayer panes are heavier than 23, or 25 kg. In that case mechanical devices will be used in the placement of the panes. Generally there is much freedom regarding the choice of the size of the multilayer panes. These panes will usually be much larger than the above mentioned sizes of the panes up to 25 kg, and, for practical reasons, be smaller than 320 x 300 cm, preferably smaller than 250 x 220 cm.
The skylight according to the invention is set in a frame, in which the frame comprises a profile suited to receive the multilayer panes. The profile preferably comprises a thermal barrier between the outside and the inside of the profile. The profile is preferably build up of modules that may be put together.
If the skylight is used as a roof element, water originating in one or more gutter-shaped elements of the connection system, must be drained. For this, it is advantageous if the profile is provided with means to drain water.
The skylight may be constructed in such a way that it satisfies constructional standards as laid down in standard regulations such as DIN 18055. In addition, by choosing proper materials and dimensions, other regulations may be met as well, such as standards regarding thermal insulation (for example as laid down in DIN 4108), standards regarding sound insulation (for example as laid down in DIN EN ISO 717), and standards regarding safety (for example as laid down in DIN V ENV 1627). Therefore, embodiments of the invention have a wide range of applications.
Preferably, the skylight according to the present invention is able when used with the multilayer glass panes, to withstand 500 N/m² of force, preferably 600 N/m² of force, and more preferably 750 N/m² force, when measured according to NEN-EN 1990. According to NEN-EN 1990, the skylight construction should exhibit bending less than 1/250 of the bridging length at applicable pressure. The pressure requirement can be 600 N/m² for wind force against a vertical window pane. The pressure requirement can be 750 N/m², as for example snow on a horizontal skylight. Therefore, it is preferred that the profile used to give mechanical integrity is able to withstand 500 N/m² of force, preferably 600 N/m² of force, and more preferably 750 N/m² force when measured according to NEN-EN 1990, when used with two- or three-layered multi glazed window panes of 100x100 cm of 25 kg. If for example the bridging gap is 98 cm, the maximum allowed bending is 3.9 mm at the applicable force. The test is preferably done with a two layered multi-glazed window pane.
The invention also relates to the use of a skylight according to the appended claims, to connect multilayer glass panes, wherein no structural element is present external to the planes defined by the in- and outsides of the multilayer
In one embodiment, the skylight comprises (a) a multilayer pane comprising three glass plates and two spacers, (b) wherein the spacers, together with the glass plates, define two openings, (c) wherein the multilayer panes have a defined out- and inside, and (d) wherein the connection system comprises a profile with at least one leg and one bar, wherein the profile contributes to the mechanical integrity of the multilayer pane, and wherein the leg of the profile has a length of at most approximately the distance between the outside and the inside of the multilayer pane, and in which the bar of the profile is suited to be inserted into one of the openings.
In another embodiment, the skylight comprises (a) a multilayer pane comprising three glass plates and two spacers, (b) wherein the cement to glue the spacers and/or the spacer itself, together with the outer glass plates, define an opening, (c) wherein the multilayer panes have a defined out- and inside, and (d) wherein the connection system comprises a beam like profile, wherein the profile contributes to the mechanical integrity of the multilayer pane, and wherein the beam-like profile has a height of less than the distance between the insides of the outer panes of the multilayer pane. As explained above, this connection system preferably comprises a gutter like element that also serves as a thermal barrier.
The invention is explained further by way of the following figures.

Figure 1A is a schematic diagram of a skylight, and Figure 1B is a cross-section.
Figure 2 is a detail of the connection system of the skylight according to the invention.
Figure 3A-3D are details of variations on the connection system of Figure 2.
Figure 4 is a schematic diagram of a possible profile of the frame in which the skylight may be set.
Figure 5 is a detail of a further variation on the connection system of Figure 2.
Figure 6 is a detail of a further variation on the connection system.

In Figure 1A, (1) is a multilayer pane, (2) is a connection element, and (3) is the frame in which the entire skylight rests. (3') and (3") refer to the long and short sides of the frame (3), respectively. The short side of the frame (3") is also described as the "vertical direction". (3') represents the horizontal direction. Figure 1B is a cross-section of the skylight and shows the same elements. Furthermore, and angle alpha is shown, that, for example, may be 95°. A higher angle is possible as well, but that would be at the expense of the surface area receiving light. The distance (d) is about the length of the glass plate, and is, for example, including the frame on which the glass plate lies for the most part, 108 cm. The connection system according to the present invention is preferably used, and very well suitable for, use in the vertical direction.
Figure 2 shows an example of the connection system of the skylight Z according to the invention in more detail. The connection system connects two multilayer panes. In Figure 2 (1) is a multilayer pane. The pane comprises three layers of glass, an outer layer (11), a middle layer (12), and an inner layer (13). In this example the glass layers take the form of essentially parallel glass plates. The outer layer may, for example be 4 mm thick, and the middle layer 3mm. The inner layer generally consists of a sandwich of two glass layers (14,16) of, for example, 3 mm each, and a plastic film (15). This sandwich structure ensures that, in case of fracture, the glass will not shatter. The width of the this multilayer pane may be 80 cm so as not to exceed a weight of approximately 25 kg.
The glass plates (11), (12), and (13) are separated by spacers (17, 17') and (18, 18') in an otherwise known way. That is to say, one spacer (17) keeps the glass plates (11) and (12) of one of the panes to be connected apart, while spacer (17') does the same regarding glass plates (11) and (12) of the other pane to be connected. Spacer (18) keeps the glass plates (12) and (13) of one of the panes to be connected apart, while spacer (18') keeps the plates (12) and (13) of the other pane to be connected apart. Usually, the glass plates are cemented to the spacers, as indicated in the figure with a K. The space between the glass plates is usually filled with argon or another gas with insulating properties.
The glass plates form openings (24) with the spacers. In the openings, elements may be introduced that provide additional functionality. In this example, a gutter-shaped element (21) and a T-profile (22) are introduced. The T-profile (22) comprises a leg that is oriented in a direction that is essentially perpendicular to the plane of the glass plates. In addition, the leg of the T-profile crosses the plane that is made up by connecting the middle glass plates (12) of both multilayer panes (1) to be connected. Along the leg of the T-profile a compressible insulation tape (23) may be applied. Essentially perpendicular to the leg, the T-profile furthermore comprises a bar, which, therefore, has an orientation that is essentially parallel to the orientation of the glass plates. The bar of the T-profile may be fixed in the opening using cement. The bar of the T-profile in this example is set in the opening made up by the glass plates (12) and (13) and spacers (18, 18'). The T-profile may be made of a carbon reinforced plastic, or, for example, stainless steel. At the outside (20), and, if so desired, at the inside, the connection system may comprise a rubber strip (sealing strip) (19, 20).
In the application as a roof element it is desirable to mount a gutter-shaped element (21) that acts as a gutter and is herein hereafter also referred to as gutter (21), under the sealing strip (20). In the skylight, especially in the frame, means may be applied with which water may be drained. At the side directed at the outside, the gutter (21) preferably comprises two or more raised edges (21A, 21B) to lead (condensed) water to the lowest-lying part of the skylight. If, according to an embodiment not falling in the scope of the claims, the multilayer panes are used as wall elements, and are mounted vertically, such a gutter to drain water is not necessary, but it is advantageous to apply such a profile anyway, because that way a proper windproofness is obtained as well. In that case the T-profile may be constructed as an I-profile, or one may use a flat strip in the space between the outermost two glass plates.
Figures 3A-3D show variations on the profile according to the invention. The referral numbers have the same meanings as in the above figure description. In Fig. 3A the spacers (30, 30') and (31, 31') are used to keep the glass plates (12) and (13), and the glass plates (11) and (12), respectively, of both panes to be connected apart at a predetermined distance. In this example the spacers (30), (30'), (31), and (31') are of the same height, and the total thickness of the multilayer pane may then, for example, be 44 mm. In Fig. 3A an I-profile is used instead of a T-profile. This way, the I-profile may be constructed with a longer leg, thus providing more strength against bending. The spacers are glued with a cement, such as butyl cement. In Fig. 3A (32) refers to one place where the cement is applied. The I-profile (33) has one leg and two bars, which are inserted in the openings of the spacers. In the embodiments of Figures 3A-3D a gutter profile, indicated in Fig. 3A with (36), is used at the outside as well as the inside. This profile ensures a windproof seal, and is provided with raised edges ((34) inside and (38) outside) that are inserted between the two multilayer panes. The inside and the outside are sealed with strips (35) and (37), respectively. The raised edges provide a more certain seal.
The embodiment in Figure 3B is comparable to that in Figure 3A, however, the distance between the multilayer panes in Figure 3B is larger. The profile is now constructed of two parts, a rectangular profile (40) and a T-profile (41). Rectangular and T-profiles are available in many sizes, which makes is simpler to use standard profiles. The gutter profiles (42) and (44) are constructed wider, as are the sealing strips (43) and (45).
In Figure 3C two C-profiles (46) and (47) were used. In this embodiment every multilayer pane may separately be provided with a C-profile before the multilayer panes are brought together. The provision of the C-profiles before installation in a skylight, for example, in a workplace or in the factory, simplifies the ultimate skylight installation. For the multilayer panes may then simply be pushed against each other during the installation of the skylight.
In Figure 3D two rectangular strips (48) and (49) were used. This variation may specifically be used if the profile has no structural function.
Figure 4 shows a connection of a multilayer pane to a frame. In this, (1) is the multilayer pane, and (50) to (58) make up the frame profile. The outside of the frame profile has a module (50) provided with a connection element (51) for connection to the glass plate, which may be inserted into an opening of a spacer. The outside may then be sealed with a strip (52) (this may be the same kind of strip that was used for the seal between the multilayer panes as well). The multilayer pane lies via a viscoelastic element, for example, a rubber band (55), on support module (54). The space between modules (50) and (54) is provided with a thermal barrier (53, 53', and 53"), and, if so desired, module (56). The profile may be mounted on a wooden bar or in a wall by way of mounting means, such as screws (59), and a connection module (58). It is possible to use an indirect mounting, that is, that the mounting means and the connection module are used to mount the profile on an intermediate structure, which, subsequently, is anchored in the bar or wall. Modules (54) and (56) together make up a gutter (57), by way of which water may be drained. It is also possible to construct module (50) in such a way that it is provided with a gutter-shaped element with which water may be drained.
Figure 5 shows an embodiment in which an X-profile is used, in which the length of the leg virtually equals the distance between the outside and inside of the multilayer pane. Such a profile may, for example, be extruded from aluminum. In the figure the numbers (1) and (11)-(16) have the meanings indicated in Figure 2. The spacers are indicated by (60), (60'), (61), and (61'). The spacers are cemented, and thanks to small recesses at the hollow side, as is indicated for one of them at (62), the cementing may be realized in a tight line. Spacers (60) and (60') form recesses (64) and (64'). Spacers (61) and (61') form, together with glass plates (11) and (12), recesses (65) and (65'). In this embodiment these recesses are provided with cement, as is space (63). X-profile (66) consists of extruded aluminum, and is provided with a cavity (67), into which a steel plate may be inserted to increase the bending strength. The profile is provided with projections (68) and (69), over which sealing strips (75) and (76) may be slided. The profile is provided with screw holes (70), by way of which the profile may easily be mounted on a frame. The bar part in the profile (71) and (71') is provided with raised edges (72). The edges (72) may interact with the raised edges (73) that are part of the spacers (60) and (60'). The upper side of the bar with the raised edges forms a gutter (74) and (74') that is suited to drain condensed water.
The connection system according to the invention takes up very little space. The multilayer panes may be mounted at a distance of, for example, about 6 or 8 mm apart.
Because the connection system has no structural elements outside the outer or inner plane of the multilayer pane, an optimal light gain may be realized with the connection system according to the invention. The total width of the spacers and the connection system (essentially perpendicular to the joint between the two panes to be connected in the plane of the panes) is preferably less than 35 mm, and more preferably about 30 mm or less. The total width will, as a rule, be more than 20 mm.
Figure 6 shows: the outer pane (80), the inner pane (81), the spacer (82) and cement (83). The spacer and cement are applied a bit inside the multilayered pane, such that space exists between the outer panes. The space can be filled with a beam-like profile (84), having two legs and two bars. The beam can be hollow (85), or the space (85) can be filled. The beam can for example be solid, or filled with foam, or provided with one or two more legs. At the side that will be exposed to the outside, a gutter-like element is provided (86). The space between the panes at the external side can be provided with strip (87), and the inside with strip (88). The thermal barrier is provided by gutter-like element (86); the structural strength is provided by beam (84). An alternative includes a three-layer pane with an intermediate pane that is slightly smaller than the two outer panes, such that the same (one) opening is available. Another alternative includes a three layer pane wherein the three layers are of equally size, such that two openings are available, and one opening can e.g. be used for the beam, and the other opening for the gutter-like element.

Claims

A skylight comprising a first and second multilayer pane (1) and at least one connection system (2) wherein the connection system provides a waterproof connection of the first and second multilayer pane (1) and wherein the connection system comprises a rigid profile (22, 33, 40, 41, 46, 47, 48, 48', 66) that contributes to the mechanical integrity of the first and second multilayer pane, wherein there is no structural element present external to the planes defined by the in- and outsides of the first and second multilayer panes, characterised in that the rigid profile bridges the gap between the first and second multilayer pane (1).
A skylight according to claim 1, wherein the first and second multilayer panes comprise two panes or comprise three or more panes, wherein the panes define one or more openings (24) at the side of the inside of the multilayer panes.
A skylight according to any one of claims 1-2, wherein the profile (22) that contributes to the mechanical integrity comprises at least one leg and at least one bar, wherein the bar of the profile is suited to be inserted into the opening (24) at the side of the inside of the multilayer panes.
A skylight according to claim 3, wherein the profile comprises a rectangular-, T-, X-, or I-profile (22,66), or wherein the profile comprises a beam (84).
A skylight according to any one of the preceding claims, wherein the profile used to give mechanical integrity is able to withstand 500 N/m2 of force, preferably 600 N/m2 of force, and more preferably 750 N/m2 force, when measured according to NEN-EN 1990, when used with double or triple glazed window panes of 100x100 cm of 25 kg.
A skylight according to any one of the preceding claims, wherein the system comprises a gutter-shaped element (21) that is suited to drain water.
A skylight according to claim 6, wherein the profile (22,66) and/or the gutter-shaped element (21) are mounted in such a way that these provide a windproof sealing.
A skylight according to any one of the preceding claims, wherein the system comprises an element that is effective as a thermal barrier (53, 53', 53").
A skylight according to any one of the preceding claims, wherein the system comprises a strip (52,35,37, 19,20) that is suited to seal the space between the first and second multilayer pane at the outside (20).
A skylight according to any of the previous claims, wherein said structural element extends into an opening (24) between glass plates (12) and (13) of the first and second multilayer pane.
A skylight according to any of the preceding claims, wherein the first and second multilayer pane (1) are multilayer glass plates.
A skylight according to any one of the preceding claims, wherein the first and second multilayer pane (1) each have a weight of less than 30 kg, and are preferably about 25 kg.
A skylight according to any one of the preceding claims, wherein the first and second multilayer pane (1) are at most 120 centimeter in length, and preferably are about 100 cm in length.
A skylight according to any one of the preceding claims, wherein the skylight is set into a frame (3,3',3 "), wherein the frame comprises a profile (50,58) that is suited to receive the first and second multilayer pane (1), wherein the profile preferably comprises a thermal barrier between the outside and inside of the profile.
Use of a skylight comprising a first and second multilayer pane (1) and a connection system according to any one of the preceding claims.