Glass window system configured to prevent sliding of glass window

Abstract

The present invention relates to a glazing system (100, 200, 300) comprising a glass panel (110) comprising a structural layer (111, 112), the glass panel being clamped in place by a structure. The glazing system further comprises:-at least one blocking element, referred to as a "primary" blocking element (170), rigidly connected to the glass panel in the clamping region,-at least one blocking element, referred to as a "secondary" blocking element (180), rigidly connected to the structure, and-at least one blocking element, referred to as a "secondary" blocking element (180), rigidly connected to the glass panel in the clamping region. The at least one primary blocking element and the at least one secondary blocking element are configured to cooperate with each other when the glass panel slides in a plane in which the glass panel extends, the sliding being oriented towards a center of the glass panel so as to block the sliding.

Description

Technical Field

[0001] The present invention belongs to the general field of glazing production, in particular glazing for vehicles. The present invention relates more specifically to a glazing system, the use of the glazing system and a vehicle equipped with the glazing system. Background Art

[0002] The present invention finds particularly advantageous application in the case of vehicles that are subject to a pressure differential between the external environment (atmosphere) and the interior of the vehicle, although this is by no means limiting, such as aircraft (e.g., commercial aircraft), rail vehicles (e.g., trains), or marine vehicles (e.g., ships, submarines).

[0003] Various ways of integrating glazing with multiple structural layers into vehicle structures are currently known. For example, it is known that such glazing can be installed in a "clamped" configuration, particularly (but not exclusively) when the vehicle is subject to pressure differences.

[0004] A “structural layer” generally refers to a rigid sheet of glass constituting a glazing, capable of forming a monolithic glazing itself, in order in particular to ensure its mechanical strength and having, for example, a modulus of elasticity at least equal to 1500 MPa.

[0005] The term "clamped glazing" refers to the fact that, in a direction perpendicular to the plane of the glazing, the glazing is held in place by clamping of the structural layer by the vehicle structure, typically by two elements positioned on either side of the structural layer. For example, in the case of glazings intended for aeronautical applications, such clamping may be achieved between an element known as a "retainer" and another structural element positioned opposite an internal structural layer, i.e. the structural layer arranged closest to the vehicle interior.

[0006] It should be noted that clamping can also be applied to one or more sealing elements, such as one or more gaskets, inserted between the structural layer and the vehicle structure. Known constructions of this type are, for example, those in which the periphery of the clamped glazing is produced by overmolding a sealing gasket which encapsulates all the components of the glazing, i.e. in particular the structural layer, but which may also include other elements, such as a reinforcing gasket (also called "compensating gasket") positioned in the housing of the gasket and fixedly attached to the inner structural layer.

[0007] In the glazing plane, the glazing is held in position in two ways. On the one hand, in a first direction of movement tending to increase the overlap of the structural layers with the vehicle structure at the clamping zone, the glazing is held in position by abutting the vehicle structure at its edge. On the other hand, in a direction opposite to said first direction, support is ensured by the rigidity of the glazing, thereby allowing a minimum overlap between the glazing and the vehicle structure.

[0008] The functional requirements that clamped glazing units subjected to pressure differences must meet include pressure resistance (ie the glazing unit must remain in its housing), which must be ensured both when the glazing unit is intact (standard case) and in the event of a break in the structural layers of the glazing unit ("fail safe").

[0009] Sometimes an additional requirement is added to this, called "double fail-safe / full fail-safe", corresponding to pressure resistance in the event of breakage of all structural layers of the glazing. For example, in the context of aviation applications, this additional requirement aims to enable the aircraft to complete its flight without endangering the aircraft.

[0010] Currently available clamp mounts do not optimally meet this additional safety requirement, especially for large glazings. Breakage of virtually all structural glass layers may result in a loss of glazing rigidity. This loss of rigidity may itself result in a reduction of the overlap between the structural layers and the vehicle structure, through sliding in the glazing plane. This may result in airtightness defects or even, in certain cases, in a sufficiently significant deflection of the glazing to result in its falling off (and thus loss).

[0011] It should be noted that the problem presented here is not limited to the case of clamped glazings integrated into vehicles, but ultimately relates to any configuration in which the glazing is used in a clamping assembly, such as security glazings. Summary of the invention

[0012] The object of the present invention is to remedy some or all of the disadvantages of the prior art, in particular those set out above, by proposing a solution which makes it possible to obtain a clamped glazing which meets the requirements of "totally fail-safe" in the event of breakage of all its structural layers more effectively than the solutions of the prior art. This solution is easy to install and can be adapted to existing structures without modifying the space they occupy.

[0013] To this end, and according to a first aspect, the invention relates to a glazing system comprising a glazing, such as a laminated glazing, comprising a structural layer, the glazing being clamped in place by a structure. The glazing system further comprises:

[0014] - at least one blocking element, called "primary blocking element", which is rigidly connected to the glazing in the area where the clamping is exerted by the structure,

[0015] - at least one blocking element, called "secondary blocking element", rigidly connected to the structure,

[0016] The at least one primary blocking element and the at least one secondary blocking element are configured to cooperate with each other when the glass window slides in a plane in which the glass window extends, the sliding being oriented towards the center of the glass window, so as to block the sliding.

[0017] Therefore, the blocking element of the glazing system according to the invention blocks the sliding of the glazing and thus keeps the edge of the glazing in its housing. In this way, even in the case of all or part of the structural layer being broken, the pressure-tight function is guaranteed.

[0018] When the glazing is subjected to forces that could cause it to slide in its plane, these forces strengthen the connection between each blocking element and the support to which it is attached.

[0019] These blocking elements are particularly easy to use, which makes the clamped glazing particularly easy to produce and install.

[0020] Furthermore, the reduced size of the blocking element compared to the other elements of the glazing system means that the overall dimensions of the glazing system known from the prior art advantageously remain unchanged.The invention can therefore be implemented very easily on pre-existing vehicle structures.

[0021] By “the glazing being clamped by the structure” it is understood that the glazing of the glazing system is clamped by the structure in the assembled state of the glazing system.

[0022] In certain embodiments, the glazing system may further include one or more of the following features, taken alone or in any technically feasible combination.

[0023] In a specific embodiment, the at least one main blocking element and the at least one secondary blocking element are configured to have a blocking structure, wherein when the glass window slides in a plane in which the glass window extends and is oriented toward the center of the glass window, they cooperate with each other to block the sliding, and the at least one main blocking element and the at least one secondary blocking element are also configured to have a nominal structure, wherein they do not cooperate with each other when the glass window does not experience sliding in the plane.

[0024] In a particular embodiment, the at least one primary blocking element and the at least one secondary blocking element are configured to change from a nominal configuration to a blocking configuration when the glass window slides in a plane in which the glass window extends and is oriented toward the center of the glass window so as to block the sliding.

[0025] In certain embodiments, the system includes a plurality of primary blocking elements and a plurality of secondary blocking elements, each primary blocking element being configured to cooperate with a single secondary blocking element.

[0026] In a particular embodiment, the system comprises a single primary barrier element and / or a single secondary barrier element, each single barrier element extending continuously so as to form a closed loop within which the structural layer is arranged.

[0027] In certain embodiments:

[0028] at least two primary and secondary blocking elements configured to cooperate with one another are rigidly connected to the outer structural layer of the glazing and to a mounting element, such as a retainer, of a structure arranged opposite said outer structural layer, respectively, and / or

[0029] - At least two primary blocking elements and secondary blocking elements configured to cooperate with each other are rigidly connected to a reinforcing wedge (160) and a structural mounting element arranged opposite to the internal structural layer, respectively, the wedge being housed in a seal (120), such as an overmolded seal, in which the structural layer is encapsulated at its periphery and fixed to the internal structural layer of the glass window.

[0030] In certain embodiments:

[0031] - said at least one primary blocking element is integral with the outer structural layer or with the reinforcing wedge, or

[0032] - The at least one primary blocking element is attached and fixed to the outer structural layer or the reinforcing wedge, for example by gluing, sintering, brazing or bolting.

[0033] In a specific embodiment:

[0034] - said at least one secondary blocking element is integral with said structural mounting element, said structural mounting element being arranged opposite to the outer structural layer or the inner structural layer,

[0035] or

[0036] - said at least one secondary blocking element is attached and fixed to said structural mounting element arranged opposite to the outer structural layer or the inner structural layer, for example by gluing, sintering, soldering or bolting.

[0037] In a particular embodiment, the cooperation between at least two of the primary and secondary blocking elements is achieved directly or indirectly by means of respective contact surfaces of said primary and secondary blocking elements, said contact surfaces being inclined relative to the plane of the glazing.

[0038] In a particular embodiment, the angle of inclination of the contact surface relative to the plane of the glazing is between 5° and 60°, more particularly between 20° and 40°, preferentially equal to 25°.

[0039] According to a second aspect, the invention relates to the use of a glazing system according to the invention for a vehicle of the aircraft, rail or marine type, for example, or for a building.

[0040] According to a third aspect, the invention relates to a vehicle, for example of aircraft, rail or marine type, comprising a glazing system according to the invention.

[0041] According to a fourth aspect, the invention relates to an assembly comprising a structure as previously defined and a glazing system.

[0042] According to a fifth aspect, the invention relates to the use of a glazing system as defined above for a vehicle, for example of aircraft, railway or marine type, or for a building.

[0043] According to a sixth aspect, the invention relates to a vehicle, for example an aircraft, railway or marine type vehicle, comprising a glazing system as defined above. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Other features and advantages of the invention will emerge from the non-limiting description given below, with reference to the accompanying drawings which illustrate exemplary embodiments of the invention. In the drawings:

[0045] [ Figure 1 ] Figure 1 A specific embodiment of a glazing system according to the invention is schematically shown;

[0046] [ Figure 2 ] Figure 2 Schematically shows another embodiment of the glazing system according to the present invention;

[0047] [ Figure 3 ] Figure 3 A further embodiment of a glazing system according to the invention is schematically shown. DETAILED DESCRIPTION

[0048] Figure 1 A specific embodiment of a glazing system 100 according to the invention is schematically shown.

[0049] In the remainder of the description, reference will be made to Figure 1 The coordinate system (H, V, T) shown in FIG. 1 may be used in the horizontal, vertical, and transverse directions without restriction. Figure 1 The glazing system 100 is shown in cross-section (ie, within the thickness of the glazing of the glazing system 100 and described below).

[0050] By convention, the terms "upper" and "lower" or "top" and "bottom" or "above" and "below" are used with reference to a transverse orientation. The terms "left" and "right" are used to refer to a horizontal orientation.

[0051] exist Figure 1 In the embodiment of the present invention, the glazing system 100 is shown as already integrated (attached) into an aircraft. The remainder of the description is more specifically directed to a commercial aircraft, also referred to simply as an "aircraft". However, the present invention is applicable without limitation to any type of aircraft designed to withstand a pressure difference between the external environment 10 and the interior 20 of the aircraft, such as cargo aircraft, combat aircraft, helicopters, etc.

[0052] For the remainder of the description, it is assumed that the glazing system 100 is part of the cockpit glazing of the commercial aircraft, more specifically the windshield window of the cockpit glazing. However, such an arrangement is not a limitation of the present invention, and does not exclude the possibility that the glazing system 100 forms part of another cockpit window (such as a side window of the cockpit) or forms part of a cabin window (such as a porthole).

[0053] Furthermore, it is important to note that contemplating the integration of the glazing system 100 into an aircraft-type vehicle is only one alternative embodiment of the present invention. Thus, more generally, any type of vehicle is contemplated for which a clamped glazing can be integrated into the structure. This is particularly applicable to any type of vehicle designed to withstand a pressure differential between the exterior and interior, such as rail vehicles, marine vehicles (e.g., ships or submarines for cab or porthole windows, etc.), armored vehicles, etc.

[0054] In this embodiment, the glazing system 100 comprises a laminated glazing 110. The laminated glazing 110 comprises a set of structural layers, the set of structural layers comprising a first structural layer 111 and a second structural layer 112 bonded to the first structural layer 111 via an adhesive interlayer 113.

[0055] In particular, and as Figure 1 As shown in:

[0056] - a first structural layer 111 , called “external structural layer”, is a sheet of glass arranged as close as possible to the external environment 10 of the aircraft (among the structural layers of the laminated glazing 110 ). Said external layer 111 comprises an upper face 111a and a lower face 111b ;

[0057] The second structural layer 112, called "inner structural layer", is the sheet of glass arranged as close as possible to the external environment 20 of the aircraft (among the structural layers of the laminated glazing 110). This is the sheet of glass bonded to the first structural layer 111 by means of said adhesive interlayer 113. Said inner layer 112 comprises an upper face 112a and a lower face 112b.

[0058] In the embodiment described here, the outer layer 111 and the inner layer 112 are made of organic glass, such as stretched polymethyl methacrylate (stretched PMMA), unstretched polymethyl methacrylate, polycarbonate (PC), polyethylene terephthalate (PET) or polyurethane (PU).

[0059] The possibility of one or more structural layers being made of mineral glass is also not excluded. Mineral glass windows here are thermally tempered or chemically strengthened soda-lime, aluminosilicate, borosilicate glasses.

[0060] In addition, Figure 1 In the embodiment shown in , the outer structural layer 111 and the inner structural layer 112 have the same thickness (the thickness of the structural layer is counted in the transverse direction T). For example, the thickness of the outer structural layer 111 and the inner structural layer 112 is between 3 mm and 30 mm, more specifically between 5 mm and 8 mm.

[0061] However, this does not exclude other embodiments, where, for example, the outer structural layer 111 has a different thickness (ie, greater or less) than the inner structural layer 112. As a non-limiting example, the outer structural layer 111 has a thickness of 5 mm, while the inner structural layer 112 has a thickness of 6 mm.

[0062] The adhesive interlayer 113 may be made of thermoplastic polyurethane (TPU), polyvinyl butyral (PVB), ethylene vinyl acetate copolymer (EVA), ionomer resin or casting resin. The thickness of the adhesive interlayer 113 is, for example, between 0.5 mm and 6 mm, preferably at least 2 mm.

[0063] It should be noted that in this embodiment, the structural layers of the glass window 110 consist only of an outer structural layer 111 and an inner structural layer 112. However, considering such a set of structural layers is only a variant of the present invention. This does not exclude considering other embodiments, in which the set of structural layers includes at least three structural layers, for example four structural layers.

[0064] In addition, Figure 1In the embodiment shown in , the laminated glazing 110 further comprises a glass sheet 114 in direct contact with the external environment 10 and attached to the outer structural layer 111 by means of an adhesive interlayer 115 having material properties similar to those described for the adhesive interlayer 113. In addition, the glass sheet 114 is positioned to overhang the outer structural layer 111 and the inner structural layer 112.

[0065] It should be noted that the glass sheet 114 is a thin, non-structural protective sheet, i.e., it does not provide the mechanical strength required for example for a monolithic glazing, and therefore it does not form a structural layer, such as those described above. It may be made of mineral or organic glass, and may have a thickness between 0.5 mm and 5 mm, preferably between 2 mm and 4 mm.

[0066] The main inner face of the glass sheet 114 (ie the horizontal face in contact with the adhesive interlayer 115 ) is provided, for example, with a network or thin layer of electrically conductive wires, such as ITO (Indium Tin Oxide), silver, gold or equivalent, enabling defrosting of the laminated glazing 110 .

[0067] In this embodiment, and as Figure 1 As illustrated in , the outer structural layer 111 and the inner structural layer 112 are enclosed in an overmolded seal 120 at their peripheries.

[0068] The seal 120 is made of an elastomeric polymer material, in particular an injectable or extrudable material, such as silicone, polyurethane (PU) or polysulfide elastomer, to make the glazing system 100 airtight and watertight. It may also be a glued flat seal.

[0069] In the present embodiment, the laminated glazing 110 is attached to the aircraft structure 130 by means of an aircraft structure mounting element, referred to as “upper mounting element 132”, which is arranged opposite the outer structural layer 111 and extends in a plane substantially parallel to the glazing 110. More specifically, said upper mounting element 132 corresponds here to a glazing retainer bolted to the structure 130 and made, for example, of aluminum, carbon, titanium or other composite or non-composite materials. The retainer 132 is pressed against the outer structural layer 111 (more specifically, against the overhang of the outer structural layer 111 relative to the glass sheet 114) via a silicone seal 120.

[0070] The resulting support enables the assembly formed by the outer structural layer 111 and the inner structural layer 112 and the peripheral seal 120 to be moved by moving the outer structural layer 111 and the inner structural layer 112 in a direction perpendicular to the plane of the glass window 110 (i.e., in a direction perpendicular to the plane of the glass window 110). Figure 1 In the direction T shown in the figure) clamped between:

[0071] - a retainer 132, and

[0072] A mounting element 131 of the body 130 , called “lower mounting element 131 ”, which is arranged opposite the internal structural layer 112 and extends in a plane substantially parallel to the glazing 110 .

[0073] In this manner, lower mounting element 131 and retainer 132 help define housing 150 in a direction perpendicular to the plane of glass pane 110, with the perimeter of glass pane 110 inserted and clamped into housing 150 to hold it in place.

[0074] It should be noted that so far, the lower mounting element 131 and the upper mounting element 132 have been described as two separate components of the vehicle structure. However, such an arrangement is not a limitation of the present invention and certainly does not exclude other embodiments in which the two elements are in one piece.

[0075] In the embodiment described herein, the glazing system 100 further includes a reinforcing shim 160 (also referred to as a compensating shim or thickness shim) housed in a lower portion of the perimeter seal 120 and in contact with the lower face 112b of the inner structural layer 112 to help securely hold the laminated glazing 110 in its installed position. The reinforcing wedge 160 is typically made of a harder material than the material of the seal 120 and may be solid or include one or more recesses.

[0076] The implementation aspects of such reinforcing wedges 160 are well known to those skilled in the art and are therefore not described in further detail here. In any case, it is important to note that for the purposes of the present invention, the presence of said reinforcing wedges 160 is optional.

[0077] The general concept of the present invention is to provide the glazing system 100 with an element referred to as a "blocking element" which is configured to block the laminated glazing 110 when the laminated glazing 110 extends therein and toward the center of the glazing 110 (i.e., at Figure 1 When sliding in a plane oriented in the H direction (in the H direction), they cooperate with each other to prevent the sliding.

[0078] These blocking elements include:

[0079] at least one blocking element, called “primary blocking element”, which is rigidly connected to the glazing 110 in the area where the vehicle structure exerts a clamping force on the glazing 110 (i.e., in the mode described here, in the area of ​​the peripheral encapsulation created by the seal 120 ),

[0080] - At least one blocking element, called "secondary blocking element", which is rigidly connected to the vehicle structure.

[0081] There is no restriction on the material used to manufacture the barrier element according to the invention. For example, metallic materials (aluminum, titanium, stainless steel, etc.), composite materials (short or long fibers (fabric or felt), glass or carbon or cotton, epoxy or polyester or phenolic resin, etc.) or plastic materials (PC, PMMA, etc.) can be considered.

[0082] It should be noted that, in the sense of the present invention, the expression "blocking sliding" does not mean preventing all horizontal movements of the laminated glazing 110. In fact, it is expected that the laminated glazing 110 may undergo slight horizontal sliding during nominal operation of the aircraft, so as not to impose excessive rigidity on the glazing system 100 and thus allow mechanical stresses to be removed. However, the blocking element is configured to block any sliding that could cause the laminated glazing 110 to fall off the casing 150, in particular in the event of total or partial breakage of the structural layer.

[0083] When the primary and secondary blocking elements are in a configuration in which they block sliding, they are referred to as being in a blocking configuration, and when the primary and secondary blocking elements do not block sliding, they are referred to as being in a nominal configuration.

[0084] Thus, in the nominal configuration, the primary and secondary blocking elements allow the glazing to slide slightly in the plane in which it extends, so as not to impose excessive rigidity on the glazing system 100 and thus allow mechanical stresses to be removed.

[0085] More specifically, in Figure 1 In the particular embodiment shown in FIG. 1 , the glazing system 100 has a single primary blocking element 170 and a single secondary blocking element 180. The latter are rigidly connected to the outer structural layer 111 and to the retainer 132 at the upper face 111a, respectively.

[0086] The primary blocking element 170 is attached and fixed to the upper face 111a of the outer structural layer 111. Similarly, in this embodiment, the secondary blocking element 180 is attached and fastened to the holder 132. Any fastening method known to those skilled in the art may be used, such as bonding, sintering, brazing or bolting.

[0087] However, the fact that the primary blocking element 170 is attached and fixed to the outer structural layer 111 is only a variant of the invention. Therefore, the possibility that the primary blocking element 170 can be integral (i.e., in one piece) with the outer structural layer 111 is not excluded. This is achieved, for example, by machining, molding or forming. Of course, similar arrangements for retaining the secondary blocking element 180 to the holder 132 are also conceivable.

[0088] like Figure 1As shown in FIG. 1 , the seal 120 is located on both sides of the primary blocking element 170 and the secondary blocking element 180, but is also located between them (ie, as referred to herein). Figure 1 In the described embodiment, the barrier elements 170, 180 are not in direct contact.) This can be achieved by any method known to those skilled in the art, for example by injecting an elastomeric material into a suitable mold.

[0089] In addition, Figure 1 In the embodiment shown in , the cooperation between the primary blocking element 170 and the secondary blocking element 180 occurs indirectly by means of respective contact surfaces 171 , 181 of said primary and secondary blocking elements, said contact surfaces 171 , 181 being inclined relative to the plane of the glazing.

[0090] As a result of these arrangements, the contact surfaces 171, 181 are arranged opposite each other and are configured to transmit pressure to the portion of the seal 120 located between them when the laminated glazing 110 slides in the direction H. This transmission of pressure via the seal 120 is characterized by the indirect cooperation and advantageously enables the outer structural layer 111 and the inner structural layer 112 to be additionally clamped due to their inclination in order to resist such sliding.

[0091] It should be understood that in order to achieve the function of preventing sliding, the inclination of the contact surfaces 171, 181 in the direction from the periphery of the glass window 110 toward the center thereof is in the direction of the glass window 110. In other words, Figure 1 In this case, the inclination is from the exterior 10 towards the interior 20 of the aircraft, since the blocking elements 171 , 181 are positioned at the top relative to the plane of the glazing.

[0092] According to an exemplary embodiment, the angle of inclination of the contact surfaces 171 , 181 relative to the plane of the glazing 110 is between 5° and 60°, more particularly between 20° and 40°, preferentially equal to 25°.

[0093] So far, the glazing system 100 according to the invention has been described as comprising a single primary blocking element 170 and a single secondary blocking element 180. However, the invention is not limited to such an arrangement, as other embodiments are also conceivable.

[0094] Figure 2 Another specific embodiment of a glazing system 200 according to the present invention is schematically shown.

[0095] Follow and reference Figure 1Arrangements similar to those described, the glazing system 200 includes a laminated glazing 210 comprising structural layers 211, 212 encapsulated at their perimeter in an overmolded seal 220, the assembly formed by the structural layers 211, 212 and the perimeter seal 220 being clamped by a vehicle structure between:

[0096] - an upper mounting element 232 (retainer), and

[0097] - Lower mounting element 231 of structure 230 .

[0098] The glazing system 200 also includes a reinforcing wedge 260 .

[0099] In this further embodiment, and as Figure 2 As shown in FIG. 2 , the glazing system 200 includes a single primary blocking element 270 and a single secondary blocking element 280. They are attached to the reinforcing wedge 260 and the lower mounting element 231, respectively.

[0100] In other words, with Figure 1 Compared to the embodiment shown in FIG. 1 , in this embodiment, the arrangement of the main blocking element 270 and the auxiliary blocking element 280 is symmetrical relative to the plane of the glass window.

[0101] Of course, the above reference Figure 1 All technical provisions described with regard to retaining the blocking elements 270 , 280 to their associated mounting elements 260 , 231 still apply here.

[0102] Figure 3 Another specific embodiment of a glazing system 300 according to the invention is schematically shown.

[0103] Figure 3 The construction of the glazing system 300 shown in FIG. Figure 1 and Figure 2 The described combination of glazing systems 100 and 200 results.

[0104] Therefore, and as Figure 3 As shown in FIG. 3 , the glazing system 300 includes:

[0105] a primary blocking element 370_1 and a secondary blocking element 380_1 which are configured to cooperate with each other and are rigidly connected to the outer structural layer 311 and the upper mounting element 332 (holder), respectively,

[0106] A primary blocking element 370_2 and a secondary blocking element 380_2 which are configured to cooperate with each other and are rigidly connected to the reinforcing wedge 360 ​​and the lower mounting element 331 , respectively.

[0107] In general, there is no limit to the number of blocking elements that can be considered. For example, the glazing system may include a plurality of primary blocking elements, such as more than two primary blocking elements, and a plurality of secondary blocking elements, such as more than two primary blocking elements, each of which is configured to cooperate with a single secondary blocking element. Thus, these different blocking elements are associated with each other in pairs, and these different pairs can be distributed around the glazing in the peripheral encapsulation area created by the seal.

[0108] The invention is also not limited to the case where the barrier element is considered as a limited-extent entity in the peripheral encapsulation area created by the seal. In still other embodiments of the invention, the glazing system comprises a single primary barrier element and / or a single secondary barrier element, each of which extends continuously so as to form a closed loop within which the structural layers of the laminated glazing are arranged.

[0109] So far, the invention has been described according to an embodiment in which the primary and secondary blocking elements cooperate with each other along a surface inclined relative to the plane of the laminated glazing. However, there is no possibility of excluding other alternative designs, as long as the primary and secondary blocking elements are brought into contact to block horizontal sliding. For example, the two primary and secondary blocking elements may have complementary shapes, such as two hooks.

[0110] It is important to note that, so far, ref. Figures 1 to 3 The other aspects described in the embodiments of the invention are in no way limiting to the invention, as other alternatives are conceivable. Thus, the use of glazing other than laminated glazing is not excluded, as long as it has multiple structural layers. For example, portholes (for aircraft or ships) are usually double-glazed windows, in which the attachment between the two structural layers is achieved by one or more spacer elements (usually made of silicone).

[0111] There is also no reason why a clamped glazing configuration could not be envisaged in which the glazing is encapsulated without an overmolded gasket. For example, embodiments could be envisaged in which a seal is present on the upper face of the outer layer and / or a seal is present on the lower face of the inner layer, without either of these seals covering the edge of the glazing. It will therefore be understood that if the blocking element is positioned on the side of the glazing where no seal is present, their cooperation occurs directly by bringing their contact surfaces into contact during sliding (it will be understood that these contact surfaces are advantageously not in contact with each other when the glazing is not undergoing any horizontal sliding, so as to avoid blocking slight sliding of the glazing and therefore not to impose excessive rigidity on the glazing system).

[0112] Even more generally, alternatives are conceivable in which no sealing element is present at the periphery of the clamped glazing.

[0113] Finally, the invention has been described so far based on the use of the glazing system for vehicles. However, other applications are also conceivable, such as use in buildings to produce burglar-proof glazing that will not fall out under its own weight in the event of breakage.

Claims

1. A glazing system (100, 200, 300) comprising a glazing (110), such as a laminated glazing (110), the glazing (110) comprising structural layers (111, 112), the glazing being clamped in place by a structure, the glazing system being characterized in that it further comprises: - at least one blocking element (170), called "main blocking element (170)", rigidly connected to the glazing in the area where the clamping is exerted by the structure, - at least one blocking element (180), called "secondary blocking element (180)", rigidly connected to said structure, The at least one primary blocking element and the at least one secondary blocking element are configured to cooperate with each other when the glass window slides in a plane in which the glass window extends, the sliding being oriented towards the center of the glass window so as to block the sliding, the cooperation between the at least two primary blocking elements (170) and the secondary blocking elements (180) being achieved directly or indirectly by means of respective contact surfaces (171, 181) of the primary and secondary blocking elements, the contact surfaces (171, 181) being inclined relative to the plane of the glass window, the inclination angle of the contact surfaces relative to the plane of the glass window being between 5° and 60°, more particularly between 20° and 40°, preferably equal to 25°, The at least one primary blocking element and the at least one secondary blocking element are also configured to have a nominal configuration in which they do not cooperate together when the glazing is not subject to any sliding in the plane.

2. The glazing system (100, 200, 300) according to claim 1, comprising a plurality of primary blocking elements and a plurality of secondary blocking elements, each primary blocking element being configured to cooperate with a single secondary blocking element.

3. The glazing system (100, 200, 300) according to claim 1, comprising a single primary blocking element and / or a single secondary blocking element, each single blocking element extending continuously to form a closed loop, and the structural layer is arranged in the closed loop.

4. The glazing system (100, 200, 300) according to any one of claims 1 to 3, wherein: at least two primary blocking elements (170) and secondary blocking elements (180) configured to cooperate with each other, respectively rigidly connected to an outer structural layer (111) of the glazing (110) and a mounting element (132) of the structure arranged opposite to the outer structural layer, such as a retainer, and / or - At least two primary and secondary blocking elements configured to cooperate with each other are rigidly connected to a reinforcing wedge (160) and a mounting element (131) of the structure arranged opposite to the internal structural layer, the wedge being housed in a seal (120), such as an overmolded seal, wherein the structural layer is encapsulated at its periphery and attached to the internal structural layer (112) of the glass window.

5. The glazing system (100, 200, 300) according to claim 4, wherein: - said at least one main blocking element (170) is integral with said external structural layer (111) or with said reinforcing wedge (160), or - said at least one primary blocking element is attached and fixed to said outer structural layer or to said reinforcing wedge, for example by gluing, sintering, brazing or bolting.

6. The glazing system (100, 200, 300) according to any one of claims 4 to 5, wherein: - said at least one secondary blocking element (180) is integral with said mounting element (132, 131) of said structure arranged opposite said outer structural layer (111) or said inner structural layer (112), or - said at least one secondary blocking element is attached and fixed to said structural mounting element arranged opposite said outer structural layer or said inner structural layer, for example by gluing, sintering, soldering or bolting.

7. The glazing system (100, 200, 300) according to any one of claims 1 to 6 is used for applications such as aircraft, railway or marine vehicles or for buildings.

8. A vehicle, such as an aircraft, railway or marine type vehicle, comprising a glazing system (100, 200, 300) according to any one of claims 1 to 6.

9. An assembly comprising a structure according to any one of claims 1 to 6 and a glazing system.

10. Glazing system according to claim 9 for use in vehicles of aircraft, rail or marine type or in buildings.

11. A vehicle, such as an aircraft, railway or marine type vehicle, comprising a glazing system according to claim 9.

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