EP3344839B1 - Baie vitrée super isolante - Google Patents

Baie vitrée super isolante Download PDF

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Publication number
EP3344839B1
EP3344839B1 EP16758122.2A EP16758122A EP3344839B1 EP 3344839 B1 EP3344839 B1 EP 3344839B1 EP 16758122 A EP16758122 A EP 16758122A EP 3344839 B1 EP3344839 B1 EP 3344839B1
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EP
European Patent Office
Prior art keywords
glass
transparent
vertical
peripheral seal
horizontal
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EP16758122.2A
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German (de)
English (en)
French (fr)
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EP3344839A1 (fr
Inventor
Nicolas BOUCHER
Olivier Bouesnard
Pierre Schneider
François CLOSSET
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AGC Glass Europe SA
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AGC Glass Europe SA
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66304—Discrete spacing elements, e.g. for evacuated glazing units

Definitions

  • the present invention relates to an insulating glass door for a building, in particular the multi-panel insulating glass panels used in exhibition halls, the halls of public and commercial buildings, verandas, pergolas and glass roofs. Nevertheless, any other application requiring such large windows with high thermal insulation properties and sufficient resistance to wind and other atmospheric conditions is also part of the invention.
  • the patent application EP 0 470 373 discloses a multiple glazing comprising polymeric spacers at the edge of the glazing and a double seal between these spacers and the glass sheets. An additional seal in the form of a thin metal strip is applied to the spacer at the interface with the outside atmosphere. An adhesive vapor-tight is also injected into all cavities located between the spacer and the metal strip. This disclosure does not contain any suggestion of assembling multiple multiple glazings between them. Furthermore, this application does not disclose anything about the possible transparency of spacers and joints.
  • EP 2 855 814 A1 discloses a bay window of a building comprising at least two fixed glazed panels, where two adjacent panels are connected by a connecting joint contiguous to each panel, and the bay has no vertical rigid frame element in the vicinity of the edge of the panel .
  • the bonding joint of EP 2 855 814 A1 is made of transparent or translucent thermoplastic elastomer (TPE) to obtain a window as aesthetic as possible, in particular having a maximum of vision.
  • TPE thermoplastic elastomer
  • the patent application is also known GB 2 241013 which discloses a double glazing with transparent edges which can be associated with identical glazing by means of a transparent silicone adhesive. This adhesive is used to join adjacent panels. However, nothing is disclosed about the structural and waterproof functions of the joint.
  • windows according to the invention can be easily associated with mechanical fastening systems glazing of various types (mechanically anchored to the edges of the glazing or points, with bonding system) likewise than bracing reinforcement systems without compromising the observer's vision.
  • Bay window means a glazed surface occupying the entire opening in a wall or roof of a building. Such a bay has no opening to the atmosphere outside the building and consists of several glass panels assembled to each other. The bay window is fixed and not opening.
  • the window according to the invention comprises at least two glazed panels, that is to say two glass elements, flat or curved surface that are assembled to form the bay.
  • Flat surface panels are preferred.
  • the bay has more than two panels arranged side by side in one or more rows.
  • the shape of these panels is generally a polygon and, most often, square or rectangular.
  • the panels can also take any other shape including any number of straight and / or curved edges.
  • the panels of the bay are polygons of at least four sides.
  • each glazing panel is a multiple glazing unit which comprises a plurality of glass sheets. These glass sheets have a thickness ranging from 0.5 mm to 15 mm (for example sheets of soda-silico-calcic glass 4 or 8 mm thick) associated via an intermediate frame which the maintains a certain distance from each other. In the case of triple glazing, the central glass sheet generally has a thickness less than the other two. According to the invention, the glass sheets may be of different sizes. The use of glass sheets of different sizes makes it possible, in particular, to produce corner bays, opening windows as well as glazing with bracing systems.
  • a corner bay means a bay with at least two contiguous panels are not in the same plane and therefore form between them an angle different from 180 °.
  • the bay according to the invention comprises at least two double or triple glazing.
  • Multiple glazing is insulating glass, that is to say, multiple glazing limiting heat exchange between the building interior and the outdoor environment.
  • the multiple glazing comprises spacers which hold the glass sheets parallel at a certain distance from each other.
  • This glazing comprises two horizontal spacers between each sheet of glass.
  • the horizontal spacers are arranged along the top and bottom edges of the glazing.
  • these spacers are generally not transparent. They may contain desiccant material to ensure the absence of moisture in the glazing during its entire period of use.
  • the horizontal spacers are composed of at least one profile.
  • profile is meant an object of elongated shape and constant section.
  • the profile is generally made of metal, polymer, ceramic or composite material (combination of at least two different materials).
  • the metals used are generally selected from galvanized steels, stainless steels and aluminum alloys.
  • the profile is preferably a foam polymer profile comprising grains of desiccant material. Examples of such foams are silicone foams or ethylene-propylene-diene monomer polymers (EPDM polymers).
  • EPDM polymers ethylene-propylene-diene monomer polymers
  • the desiccant material fills, at least partially, the hollow space.
  • desiccants capable of filling the hollow space are silica gels and molecular sieves.
  • suitable hollow profiles are the TGI-Spacer® profile (stainless steel-polypropylene composite) and the Chromatech® Ultra profile (stainless steel-rigid polymer composite).
  • the glazing of a panel of the bay also includes at least one transparent vertical spacer on an edge contiguous to another panel.
  • transparent means a property illustrating the percentage T L (light transmission) of visible light transmitted through the glazing in the visible spectrum of at least 1%.
  • transparent refers to a property of T L of at least 10%.
  • transparent means a T L of at least 50%.
  • the glazing of a panel of the bay also includes first and second horizontal peripheral seals.
  • the first of these joints is always a double seal located between the horizontal spacers and each glass sheet.
  • the second is a seal located directly between the glass sheets, which overcomes the horizontal spacer and is flush with the glass sheets.
  • the term device indicates that the joints are located in the vicinity of the edges of the glazing. These seals seal the glazing gas and moisture. These seals can be opaque or transparent. They are mostly opaque.
  • the glazing of a panel of the bay also includes at least one first and at least one second vertical peripheral seal.
  • the first vertical peripheral seal is also a double seal located between the transparent vertical spacer and each glass sheet. This double seal is transparent.
  • the second vertical peripheral seal is contiguous with the first vertical peripheral seal. It is non-transparent and impervious to water vapor and insulating gas from the internal space.
  • This second peripheral seal should ideally have a thickness as low as possible so as not to mortgage too strongly the overall transparency of the bay.
  • the second peripheral seal does not protrude on the outer faces of the glass sheets.
  • a material of choice for the production of this seal is, for example, a metal strip or a polymeric metallized strip which is not very sensitive to UV radiation, coated with a thin layer of adhesive on one side.
  • the metal used is preferably stainless steel or aluminum.
  • an internal space is delimited by glass sheets, horizontal and vertical spacers and their peripheral joints. This space is filled with an insulating gas blade.
  • the gas of the internal space is an inert gas capable of thermally isolating the glazing.
  • a suitable inert gas is chosen for its lack of toxicity to living beings, of corrosive character vis-à-vis the glass, flammable and sensitivity to UV radiation.
  • Such a gas is generally chosen from air, argon, xenon, krypton and their mixtures. Most often, air, argon or a mixture of air and argon will be used.
  • the internal space comprises a blade of an insulating gas comprising at least 85% argon.
  • Sealing element is understood to mean elements which connect the horizontal spacers to the vertical spacers in the corners of the panels.
  • This element is made of at least one moisture-proof material so that its contribution to the sealing of the multiple glazing comprising this element maintains an average moisture penetration index I av ⁇ 20% following the test of aging described in the standard EN1279-2: 2002.
  • these materials are: isobutylene polymers, a thin metal strip or a composite adhesive on one of their faces, a single or double-sided adhesive tape of acrylic polymer.
  • this material also contributes to the gas tightness so that, according to the EN1279-3: 2002 standard, the multiple glazing exhibits a gas leakage rate L i expressed in% by volume of gas i and per year. , ⁇ 1.00% per year after the aging test described in the standard.
  • two contiguous panels are connected by at least one joint bottom contiguous to the second vertical peripheral seal of each panel.
  • bottom joint is meant an elastic seal which cooperates with the seal which will be discussed below which has the function of limiting the thickness of this lining and to help ensure its geometry by avoiding the contact of that with the peripheral joints.
  • the materials used to make the bottom of the joint are generally chosen at least from rubbers, EPDM polymers, butadiene-styrene elastomers, extruded silicones, acrylic polymers, polyurethane (PUR) or polyethylene (PE) foams. ). Materials in this list may be opaque or transparent. Preferably, a material is used in this list which is transparent.
  • the second vertical peripheral seal contiguous to the first transparent vertical joint is free of tensile stress and / or shear with respect to the adjacent panel.
  • a seal is located between the glass sheets of two adjacent panels and is in contact with the bottom of the joint.
  • This trim connects the outer glass sheets to the building of two adjacent panels to ensure watertightness of the bay to water and air. Alternatively, it can also connect the inner glass sheets to the building of two adjacent panels. It is also possible to provide a lining at a time between the outer glass sheets and the leaves inside the building. Most often the trim connects the outer glass sheets.
  • the seal is made of a waterproof sealant such as silicone, polyurethane (PU), modified silicone (MS-Polymer), acrylic polymers. These sealants have good mechanical strength in addition to their water and airtightness properties and adhesion to glass. They have a possibility of elastic deformation of at least 10% of movement capacity according to ISO 9047, and preferably at least 25% and most preferably at least 50%.
  • this seal is a translucent silicone having good UV resistance. By the translucent term, we designate a material that allows the incident light to pass without, however, transmitting the image of the objects beyond.
  • the bottom of the seal and the seal are such as to ensure, on the one hand, the external sealing of the bay and, on the other hand, leave the second vertical peripheral seal free of tensile stress and / or shearing against the adjacent panel.
  • the bay is also devoid of vertical rigid frame element in the vicinity of the edge of the glazing contiguous to the transparent spacer. This last feature of the invention reinforces the fact that it provides an ideal solution for maximum visibility through the bay.
  • the bottom of the joint is a flexible element of which at least one surface in contact with the second peripheral seal of one of the two panels is juxtaposed without adhering to the second peripheral seal of the other panel.
  • this seal is transparent and serves as a support for the deposition of the seal.
  • two contiguous panels are connected by two juxtaposed joint bases that do not adhere to each other.
  • the two bases of joints are generally made by polymer strips having an adhesive face and a non-adhesive face.
  • the non-adhesive face of each bottom joint is contiguous to the other bottom joint, while the other side adheres to the second non-transparent vertical peripheral seal of the glazing of the adjacent panel.
  • Suitable polymer strips are, for example, acrylic polymer strips.
  • the bottom of seal and the seal of the bay window are made of a transparent resin.
  • the transparent resins must be different in order to ensure, on the one hand, the external tightness of the bay and, on the other hand, to leave the second vertical peripheral seal free of tensile stress and / or shearing against the adjacent panel.
  • the second horizontal peripheral seal is a structural function sealant. It is selected from silicone, polyurethane (PU), polysulfides, modified silicone (MS-Polymer). These sealants have a very good mechanical strength in addition to their sealing properties to water and air and adhesion to glass.
  • This second seal device is still called a seal.
  • structural function is meant the ability to transfer the mechanical stresses related in particular to the weight of glass sheets, thermal expansion stresses.
  • the transparent vertical spacer comprises at least one transparent and rigid polymer at room temperature.
  • rigid polymer at room temperature is meant a polymer whose glass transition temperature T g is at least 50 ° C.
  • T g glass transition temperature
  • the selected polymer has a T g of at least 65 ° C.
  • the polymer has a T g of at least 80 ° C.
  • polymers examples include polymethyl methacrylate (PMMA), polycarbonate (PC), polystyrene (PS), polyvinyl chloride (PVC), polyamide (PA), polyetherimide (PEI), polyethylene terephthalate (PET) ), a styrene-acrylonitrile copolymer (SAN), a poly (acrylonitrile-co-butadiene-co-styrene) (ABS) or a mixture of these compounds.
  • the transparent and rigid polymer island is chosen from a PMMA, a PC, a PS, a PVC, an ABS, an AP or a mixture of these compounds.
  • the transparent spacer is formed from PMMA or PC.
  • the bay window is characterized in that the transparent double vertical peripheral seal is selected from a second list of transparent materials, different from the first, consisting of for example, a double-sided adhesive tape of acrylic polymer, rubber or silicone, a polyisobutylene-based adhesive, a type of adhesive Acrylic or crosslinkable epoxy.
  • a double-sided adhesive tape of acrylic polymer, rubber or silicone a polyisobutylene-based adhesive
  • a type of adhesive Acrylic or crosslinkable epoxy e.g., an acrylic polymer double-sided adhesive strip is used
  • crosslinkable means forming a three-dimensional network of polymer chains under the action of ultraviolet radiation, moisture or a hardener. These materials, in addition to being transparent, exhibit good performance in terms of water vapor and gas tightness and also have good adhesion to glass while resisting ultraviolet light.
  • the bay window is characterized in that the first horizontal peripheral seal is selected from sealants such as based on polyisobutylene, more commonly known as “butyl” or a double-sided strip of acrylic polymer, rubber or silicone, or a combination of both.
  • sealants such as based on polyisobutylene, more commonly known as "butyl” or a double-sided strip of acrylic polymer, rubber or silicone, or a combination of both.
  • This type of seal is particularly effective in terms of sealing with water vapor and gases.
  • a polyisobutylene-based sealant is used.
  • the window according to the invention comprises a third horizontal peripheral seal.
  • This third horizontal peripheral seal covers the second horizontal peripheral seal and at least partially the horizontal slices of the glass sheets.
  • this third horizontal peripheral seal completely covers the horizontal slices of the glass sheets and the second horizontal peripheral seal.
  • this third horizontal peripheral seal completely covers the horizontal slices of the glass sheets and the second horizontal peripheral seal and protrudes over the outer faces of the glass sheets.
  • This third horizontal peripheral seal comprises at least one single-sided metal adhesive strip. When there are several bands, they are superimposed.
  • This strip may optionally be associated with a coating on its face contiguous to the second horizontal peripheral seal. Suitable coatings are for example a polyisobutylene coating, an acrylic coating or a combination of both.
  • This strip may optionally be a strip having a good tear resistance which has an advantage when installed in a frame member.
  • An example of such an adhesive tape is the PET230 Vitominium.
  • the metal of the strip is aluminum.
  • An interesting variant is that of coating the metal strip with a first layer of acrylic polymer and then a second layer of polyisobutylene coating. This second layer of polyisobutylene coating may advantageously come to contact the second horizontal peripheral seal and the glass sheets.
  • this third horizontal peripheral seal advantageously makes it possible to improve the gas-tightness and moisture-resistance of the rack while not further impairing the transparency of the latter. Indeed, in the case where this seal does not protrude on the outer faces of the glass sheets, the transparent surface of the bay is not affected. In the case where this seal overflows on the outer faces of the glass sheets, it will be masked by a frame member. In this case also, the improvement of the seal is reinforced by the overflow on the outer faces of the glass sheets.
  • a bay window comprising a second vertical peripheral seal which is at least one simple metal adhesive strip face. It can also include several bands. When there are several bands, they are superimposed.
  • This band may possibly be associated with a coating. Suitable coatings are for example a polyisobutylene coating, an acrylic coating or a combination of both.
  • This strip may optionally be a strip having a good tear resistance which has an advantage when installed in a frame member.
  • An example of such an adhesive tape is the PET230 Vitominium.
  • the metal of the strip is aluminum.
  • An interesting variant is that of coating the metal strip with a first layer of acrylic polymer and then a second layer of polyisobutylene coating. This second layer of polyisobutylene coating may advantageously come to contact the vertical transparent spacer, the first double vertical peripheral seal and the glass sheets.
  • primer layer is meant a layer of an organic product which adheres well to the peripheral seal and which has selective adhesive properties vis-à-vis the glass or resin transparent which is the spacer.
  • primers are compounds of the family of silanes and compounds of the family of acrylic resins.
  • good adhesion is meant an adhesion which requires a positive tearing force to separate the two assembled parts and whose rupture of the two parts between them is cohesive, as described in the EN1279-4: 2002 standard.
  • a primer having given excellent results is the VHB AP115® primer from 3M.
  • the bay according to the invention comprises at least one tempered and / or laminated glass sheet.
  • the glass sheets are sheets of toughened glass or sheets of laminated glass.
  • the latter comprise a stack of at least one sheet of polyvinyl butyral plastic (PVB) sandwiched between two sheets of glass.
  • PVB sheet (s) polyvinyl butyral plastic
  • the bay window according to the invention comprises at least one panel which has a coefficient of heat transfer Ug ranging from 0.3 to 1.8 W / m 2.
  • the use of multiple glazing optimizes the energy efficiency of the bay.
  • the thermal insulation is usually determined by the overall performance of a multiple glazed glazing element, defined by Ug, the heat transfer coefficient of the glazing unit (calculated according to EN673 and ISO10292).
  • heat transfer coefficient Ug is meant the quantity of heat passing through the glazing, in steady state, per unit of surface, for a difference of one degree Celsius between atmospheres, for example external and internal.
  • Several factors can improve this coefficient Ug, for example, layers of low emissivity type deposited on the glass sheets and, preferably, on their inner faces, that is to say the faces in contact with the gas strip. Another factor is the nature of the insulating gas.
  • the glass sheets used may be Thermobel® type glass sheets coated with one or more metal layers, for example TopN® or TopN + T® (AGC's trademarks). TopN + T® layers are preferred.
  • the insulating glazing unit has a heat transfer coefficient Ug of at least 0.3, preferably at least 0.6 and most preferred way of at least 1.0 W / m 2 .
  • the heat transfer coefficient Ug is generally at most 1.8 W / m 2 .
  • the glass sheets coated with layers are clogged in particular to prevent corrosion of the layers at the periphery of the glazing which can cause aesthetic and mechanical disadvantages. They therefore have a peripheral band of different appearance. In the case of traditional bays with horizontal and vertical frame members, this peripheral band is hidden by the frame members. In the case of racks according to the invention which have no vertical rigid frame element between adjacent panels, this strip of different appearance represents an aesthetic disadvantage.
  • uncoated layer-coated glass sheets may be used.
  • the layers are advantageously those described above.
  • the use of such glass sheets, which therefore do not have a peripheral strip of different appearance, has an aesthetic advantage for racks according to the invention which lack a vertical rigid frame element between adjacent panels.
  • the second vertical peripheral seal and the third horizontal peripheral seal are as described above.
  • the moisture-tightness is advantageously enhanced.
  • At least one glass sheet is partially covered with a decorative layer selected from ceramic inks and organic inks.
  • the decorative layer is an opaque ceramic ink, more commonly called enamel that masks the spacer frame and the peripheral seals.
  • the enamel is applied by screen printing on one of the faces of at least one sheet of glass.
  • the enamel layer is applied to the glass sheet which is located on the outside of the building. More preferably still, the enamel layer is applied to the inner face of this glass sheet, that is to say the face in contact with the internal space.
  • the horizontal spacers and the horizontal peripheral joints of the panels of the bay are masked by the decorative layer deposited on the glass sheet.
  • the bay window according to the invention including its various embodiments may also comprise vertical spacers which are connected to the horizontal spacers by at least one stiffening element.
  • a stiffening element it is necessary to understand the combination of at least one metallic, polymeric, ceramic or composite material part with a pressure device, an adhesive, an ankle, a screw, or any other means. ensuring the connection between said spacers.
  • the adhesive may be selected from crosslinkable acrylic polymer adhesives, crosslinkable epoxy adhesives, acrylic polymer double-sided adhesive tapes, and polyisobutylene adhesives.
  • the screw can be made of steel, galvanized steel, stainless steel or bronze.
  • the stiffening element is formed of a profile of nature and / or shape different from the horizontal spacer. Another variant is still to combine the horizontal spacer with pieces of profiles arranged discontinuously forming pads that make up the stiffening element.
  • the stiffening element is in contact with at least the second horizontal peripheral seal.
  • the placing in contact is carried out on only a part or on the totality of the external surface of this element. For example, in the case of a section of square or rectangular section, it may be immersed completely in the second horizontal peripheral seal.
  • the stiffening element has a profile shape extending over the entire length of at least one horizontal spacer.
  • the stiffening element is a section of square or rectangular section. More preferably, he is glued to the horizontal spacer using a double-sided acrylic polymer tape.
  • the panels can be fixed to the supporting structure by various fixing means. These means may be, for example, the mechanical anchoring on the edges of the glazing, the attachment by points, any bonding system.
  • fixing means may be, for example, the mechanical anchoring on the edges of the glazing, the attachment by points, any bonding system.
  • these fixed glazings are: glued exterior glazing (VEC, also called “structural glazing” in English), attached “external glazing” or stapled (VEA).
  • VEC glued exterior glazing
  • VEC also called “structural glazing” in English
  • VAA glued exterior glazing
  • the figure 1 schematically illustrates a section in a bay window according to the invention.
  • a bay window 1 comprising two glazed panels 2.
  • Each glazed panel 2 is composed of two sheets of glass 4, 5, a vertical transparent spacer 7, a first transparent vertical double peripheral seal 10 on the sheet interfaces vertical transparent glass / spacer, an internal space 11, a second non-transparent vertical peripheral seal 13.
  • the bay window also comprises a non-adhering bottom seal 14 separating the glazed panels 2 and a seal 15) located between the glass sheets 4, 4 of each panel 2 in contact with the atmosphere outside the building.
  • Another possible embodiment is also to use a bottom of joint 14 which adheres to only one of the two panels 2.
  • the figure 2 schematically represents a glazed panel 2 of the bay window seen from the front.
  • the figure 3 illustrates a cut along a plane AA in the panel of the figure 2 .
  • This figure describes the following elements: two sheets of glass 4, 5, a transparent vertical spacer 7, a first transparent vertical peripheral seal 10 at each glass sheet interface 4, 5 / vertical transparent spacer 7 and a second vertical peripheral seal, no transparent 13.
  • the second non-transparent vertical peripheral seal 13 is contiguous to the slices of the two glass sheets 4,5, at the edges of the transparent vertical double peripheral seal 10 and to the transparent vertical spacer 7.
  • the figure 4 illustrates a section along a plane BB in the panel of the figure 2 .
  • This figure describes the following elements: two sheets of glass 4, 5, a horizontal spacer 6, a first horizontal peripheral seal 8 at each glass sheet interface 4, 5 / horizontal spacer 6 and a second horizontal peripheral seal 9.
  • the figure 5 illustrates another embodiment of a spacer frame 12 of a panel of the bay which includes the following elements: two vertical transparent spacers 7 and two horizontal spacers 6.
  • the vertical spacers 7 and horizontal 6 are connected by a sealing member 18 .
  • the figure 6 represents a glass sheet 4 or 5 of a panel covered with a decorative layer 16 applied in a band in the vicinity of the horizontal edges of the panel.
  • the figure 7 illustrates an infill 12 according to the figure 5 , further comprising two stiffening elements 17 bonded over the entire length of the horizontal spacers 6.
  • the figure 8 illustrates a section in a bay window according to a particular embodiment of the invention corresponding to a curtain wall application.
  • a bay window 1 comprising two glazed panels 2.
  • Each glazed panel 2 is composed of two sheets of glass 4, 5, a vertical transparent spacer 7, a first transparent vertical double peripheral seal 10 on the sheet interfaces vertical glass / spacer, an inner space 11, a second non-transparent vertical peripheral seal 13.
  • the bay window 1 also comprises two joint bottoms 14 contiguous to the vertical edges of each glazed panel 2 and not adhering the one to another.
  • the bay window 1 comprises a seal 15 located between the glass sheets 4, 4 of each panel 2 in contact with the atmosphere outside the building.
  • the figure 9 illustrates another embodiment of a section along a plane AA in the panel of the figure 2 .
  • This figure describes the following elements: two sheets of glass 4, 5, a transparent vertical spacer 7, a first transparent vertical peripheral seal 10 at each glass sheet interface 4, 5 / vertical transparent spacer 7 and a second vertical peripheral seal, no transparent 13.
  • the second non-transparent vertical peripheral seal 13 is contiguous with the internal surfaces of the two glass sheets 4,5, at the edges of the transparent vertical double peripheral seal 10 and the transparent vertical spacer 7.
  • the figure 10 illustrates another embodiment of a section along a plane BB in the panel of the figure 2 .
  • This figure describes the following elements: two sheets of glass 4, 5, a horizontal spacer 6, a first horizontal peripheral seal 8 at each glass sheet interface 4, 5 / horizontal spacer 6, a second horizontal peripheral seal 9 and a third horizontal peripheral seal 19.
  • the third horizontal peripheral seal 19 completely covers the horizontal slices of the glass sheets 4,5 and the second horizontal peripheral seal 9, and overflows on the external faces of the glass sheets.
  • An insulated glass bay was assembled according to the following procedure.
  • Each vertical transparent PMMA spacer has a thickness of 12 mm and a height of 10 mm.
  • a two-ply, 10 mm high, 3M VHB® double-sided acrylic adhesive tape seal 4918 was deposited at each transparent vertical spacer / glass sheet interface.
  • Each horizontal spacer consists of a closed profile type "Warm-edge" polypropylene / stainless steel.
  • the spacer is hollow and has a length of 1180 mm and a thickness of 15 mm.
  • the spacer is filled with desiccant material and each of its ends is connected to the transparent vertical spacers by a polyisobutylene-based sealant.
  • the lateral faces of the profile are glued to the two glass sheets by means of a polyisobutylene-based sealant.
  • the spacer frame was squeezed onto one of the glass sheets.
  • the second glass sheet was deposited on the other side of the frame and automatically pressed by a vertical gas pressing system.
  • an insulating gas argon
  • argon argon
  • the horizontal edges of the double glazing were then sealed with Dow Corning DC® 3362 silicone sealant. This sealant also embedded each horizontal spacer.
  • the edge of the vertical edges of the glazing was covered by a single-sided adhesive aluminum strip.
  • the adhesive of this tape is a combination of an acrylic joint contiguous to the aluminum strip and a polyisobutylene-based sealant directly in contact with the assembly: transparent vertical spacer - first transparent peripheral seal - glass sheets.
  • the two glazed panels constituting the insulating glass window were then joined and connected by a non-adhesive transparent silicone type seal base.
  • the outer glass sheets of each panel are joined by SikaFlex® Translucent Polymer Sika® (modified silicone) mastic from Sika.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Building Environments (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP16758122.2A 2015-09-04 2016-08-22 Baie vitrée super isolante Active EP3344839B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15183891 2015-09-04
EP16174104 2016-06-13
PCT/EP2016/069779 WO2017036834A1 (fr) 2015-09-04 2016-08-22 Baie vitrée super isolante

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CN111424836A (zh) * 2020-02-26 2020-07-17 李奉宰 幕墙系统的窗间墙单元及设置方法
CN113374131A (zh) * 2021-04-28 2021-09-10 袁红丽 一种防火型生态建筑幕墙及安装工艺

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TW201716350A (zh) 2017-05-16
EA201890546A1 (ru) 2018-07-31
WO2017036834A1 (fr) 2017-03-09
AU2016316631A1 (en) 2018-03-29
SG11201801713UA (en) 2018-04-27
US20180245341A1 (en) 2018-08-30
EP3344839A1 (fr) 2018-07-11
US10221565B2 (en) 2019-03-05
JP2018534449A (ja) 2018-11-22
TWI623503B (zh) 2018-05-11
CN108271402A (zh) 2018-07-10
CA2997202A1 (fr) 2017-03-09

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