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EP4259426A1 - Laminated glazing with several panels, of which a region for positioning adjacent panels next to one another is reinforced by inserting a structuring element - Google Patents

Laminated glazing with several panels, of which a region for positioning adjacent panels next to one another is reinforced by inserting a structuring element

Info

Publication number
EP4259426A1
EP4259426A1 EP21848002.8A EP21848002A EP4259426A1 EP 4259426 A1 EP4259426 A1 EP 4259426A1 EP 21848002 A EP21848002 A EP 21848002A EP 4259426 A1 EP4259426 A1 EP 4259426A1
Authority
EP
European Patent Office
Prior art keywords
panels
laminated glazing
glass
structuring element
laminated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21848002.8A
Other languages
German (de)
French (fr)
Inventor
Cyril LAGO-GOMEZ
Jean-Charles SAUVESTY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Publication of EP4259426A1 publication Critical patent/EP4259426A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10366—Reinforcements of the laminated safety glass or glazing against impact or intrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B32B17/10045—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/10091—Properties of the bulk of a glass sheet thermally hardened
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/10119—Properties of the bulk of a glass sheet having a composition deviating from the basic composition of soda-lime glass, e.g. borosilicate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10128—Treatment of at least one glass sheet
    • B32B17/10137—Chemical strengthening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10293—Edge features, e.g. inserts or holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10293—Edge features, e.g. inserts or holes
    • B32B17/10302—Edge sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10743—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing acrylate (co)polymers or salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/1077—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06—Joining glass to glass by processes other than fusing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles

Definitions

  • the invention relates to the field of glazing for land, air and water vehicles subjected to stresses which may be of mechanical origin (pressure, impact, etc.), thermal or thermomechanical.
  • stresses which may be of mechanical origin (pressure, impact, etc.), thermal or thermomechanical.
  • the vision zone allowing the pilots or passengers to have a view of the exterior of the vehicle is interspersed with structural zones belonging to the vehicles and forming support zones for fixing the glazing.
  • the vision zone is cut off by several parts incorporating structural uprights thus limiting the vision zone.
  • window frames incorporating fasteners.
  • a first drawback is the reduction in the area of vision: the occupants of the device have a relatively small area of vision due to the size of the structural elements. The areas are all the more reduced when the glazing is framed, which must include the fixing elements (screws, rivets, etc.) between the glazed areas.
  • a second drawback is the increase in mass: from a mechanical stress point of view, we have changes in sections, materials and neutral fiber position (zero stress zone), making it necessary to size the glazing and the structure with a considerable thickness so that the whole can withstand the different stresses.
  • the mass of the sub-assembly is strongly impacted.
  • a third drawback is the increase in assembly/disassembly times: the operation times are lengthened because each glazing must be mounted in its housing. The more glazing, the longer the operations. [0006]There is therefore a need to provide a single assembly process for producing the structure and the glazing, the whole being integrated during the laminating/autoclaving operation of the entire transparency.
  • a laminated glazing comprising at least a first and a second elementary transparent laminated panels juxtaposed by their edges, the respective glass sheets of which are distinct and separated from each other, characterized in that the glass sheets of the first panel on the one hand, the glass sheets of the second panel on the other hand, are bonded two by two by an intermediate adhesive layer which is integral to the surface of the assembly of the first and second panels, and in that in a juxtaposition zone of the first and second panels, a structuring element is inserted into the intermediate adhesive layer.
  • Laminated glazing is made in several parts (panels).
  • a structuring element is integrated into the glazing during its lamination, so as to be superimposed on at least one zone of edges or adjoining edges of two neighboring panels (juxtaposed), over a certain width on either side of these adjoining edges .
  • the material and the dimensions of the structuring element are chosen so as to enable the laminated glazing to withstand the various loading cases to which it is subjected.
  • the structuring element may break without however giving rise to a safety problem, the various panes of the glazing also being linked by one or more layers or sheets of polymer material, in particular spacer adhesives.
  • the structuring element provides the rigidity of the connection of the sub-assembly, the elements in polymer material the resistance of the assembly in the event of failure of the structuring element.
  • the function of resistance to the bird is provided by the adhesive spacer, connecting material between the different panels making it possible to guarantee the sealing of the glazing vis-à-vis the impactor .
  • the glass sheets of the first panel on the one hand, of the second on the other hand are independently of each other in the number of m and n2 identical or different whole numbers greater than or equal to 2. If m and n2 are greater than or equal to 3, the glass sheets of the first panel on the one hand, the glass sheets of the second panel on the other hand, are bonded two by two by at least two intermediate adhesive layers (in two different levels of thickness of the laminated structure) which both separately can advantageously be made in one piece on the surface of the assembly of the first and second panels.
  • a structuring element is inserted in one of these two intermediate adhesive layers, or in both, or even, in more complex laminates, in at least three such intermediate adhesive layers indentations on the surface of all of the first and second panels, at different levels of thickness of the laminated structure.
  • the laminated glazing may comprise at least three, and for example up to seven transparent elementary laminated panels without departing from the scope of the invention. Their edges are then juxtaposed along at least two juxtaposition lines defining at least two juxtaposition zones (for example along a strip of a certain width on either side of each of the juxtaposition lines). In at least two of these juxtaposition zones, in all of these juxtaposition zones or even in some only, at least one structuring element is inserted in at least one intermediate adhesive layer. At least one of these juxtaposition zones may be devoid of any structuring element without departing from the scope of the invention.
  • each glass sheet of the first panel is juxtaposed with a corresponding glass sheet of the second panel, with the interposition of a gasket.
  • the seal is made of organic material, such as polyurethane, silicone, polysulphide, it has a sealing function, possibly has the flexibility required for a joint, is transparent or not.
  • the structuring element is made of organic, mineral, composite or metallic material.
  • examples are a thin sheet of chemically reinforced glass, a sheet of polymeric material such as epoxy resin or unsaturated polyester with reinforcing fibers such as fiberglass, carbon, aramid...
  • the glass sheets are made of mineral glass such as soda-lime float, aluminosilicate, or borosilicate, optionally hardened, heat-tempered or chemically reinforced, or of organic glass such as poly(methyl methacrylate) (PMMA), polycarbonate (PC), poly(ethylene terephthalate) (PET), or polyurethane (PU).
  • PMMA poly(methyl methacrylate)
  • PC polycarbonate
  • PET poly(ethylene terephthalate)
  • PU polyurethane
  • the (each) intermediate adhesive layer is made of polyvinyl butyral (PVB), thermoplastic polyurethane (TPU), ethylene-vinyl acetate copolymer (EVA) or ionomer resin such as poly(acrylic acid) partially neutralized with a polyamine.
  • PVB polyvinyl butyral
  • TPU thermoplastic polyurethane
  • EVA ethylene-vinyl acetate copolymer
  • ionomer resin such as poly(acrylic acid) partially neutralized with a polyamine.
  • At least the first and the second transparent elementary laminated panels each consist of at least three sheets of glass bonded two by two by an intermediate adhesive layer which is integral to the surface of all of the first and second panels, and in a zone of juxtaposition of the first and second panels, a structuring element is inserted in at least two intermediate adhesive layers (at two levels of thickness of the laminated structure), in all or not of these at least least two intermediate adhesive layers.
  • the structuring element extends over the entire juxtaposition zone of the first and second panels. These terms designate a continuous zone extending over the entire length of juxtaposition of the edges of the two panels, for example in accordance with a band.
  • the structuring element extends over a part or several separate parts of the zone of juxtaposition of the first and second panels.
  • the structuring elements When several structuring elements are inserted in this juxtaposition zone in intermediate adhesive layers at different levels of thickness of the laminated structure, they can extend independently of each other over the entire zone (length) of juxtaposition of the edges of the two panels, on only one part or on several separate parts of this juxtaposition zone.
  • These different structuring elements can be made of identical or different materials, identical or different dimensions in the thickness of the laminate or in the plane of its two main surfaces, so as to be more or less superimposable, or on the contrary. distinct. Mechanical strength as well as aesthetic effects can result from these different modes.
  • the laminated glazing comprises at least a first, a second and a third transparent elementary laminated panels, up to seven in particular. At least two juxtaposition zones are then defined between two adjacent elementary panels, at least one structuring element being inserted in all these juxtaposition zones, or only in some or only one of them.
  • the invention also relates to the application of a laminated glazing defined above as glazing fixed by gluing, bolting or pinching, particularly as glazing for an air vehicle, in particular drone, airplane, in particular business aircraft (in English “business jet”) or tourism, or helicopter, land vehicle, in particular road or rail, or aquatic.
  • FIG. 1 is a schematic cross-sectional representation of a laminated glazing according to the invention.
  • FIG. 2 is an enlarged view of the cross-section of FIG. 1 in the zone of juxtaposition of the first and the second panels.
  • FIG. 3 is a front view of a double windshield intended to occupy the surface of two windshields of the prior art, separated by a vertical structural upright forming part of the cabin of an aircraft.
  • a laminated glazing according to the invention comprises a first and a second transparent elementary laminated panels.
  • the first elementary laminated panel consists of a first sheet of glass 1 bonded to a second sheet of glass 4 by means of an intermediate adhesive layer 7.
  • the second elementary panel consists of a first sheet of glass 2 bonded to a second sheet of glass 5 by the intermediate adhesive layer 7 which is made in one piece over the entire extent of the first and the second panel.
  • the first sheets of glass 1, 2 of the first and second panels are made of the same material, for example aluminosilicate glass chemically reinforced with a thickness suitable for the use of the glazing, in particular between 2 and 8 mm.
  • the second sheets of glass 4, 5 of the first and second panels are also made of the same material, for example chemically reinforced aluminosilicate glass or heat-tempered soda-lime glass with a thickness of between 2 and 8 mm, or poly(methyl methacrylate) (PMMA ), polyurethane (PU) or polycarbonate (PC) thickness between 3 and 16 mm.
  • PMMA poly(methyl methacrylate)
  • PU polyurethane
  • PC polycarbonate
  • the intermediate adhesive layer 7 is made of polyvinyl butyral (PVB) with a thickness of between 0.38 and 8 mm, if they are made of polymer material, the intermediate adhesive layer is made of thermoplastic polyurethane ( TPU) thickness between 0.5 and 10 mm.
  • edges or edges of the first and second elementary panels define corresponding profiles allowing them to be joined perfectly as shown.
  • a structuring element 8 is embedded in the intermediate adhesive layer 7 only in the juxtaposition zone of the two panels, in accordance with a band on either side of their juxtaposition profile (delimitation between the two panels).
  • the structuring element 8 is transparent in chemically reinforced glass, for example 1 to 2.5 mm thick, or metal 0.5 to 4 mm thick, or in thermosetting resin reinforced with glass or aramid reinforcing fibers , 0.7 to 3 mm thick.
  • the first, respectively second sheets of glass 1, 2, respectively 4, 5 of the first and second panels are connected in a sealed manner by a seal 3, respectively 6 in optionally transparent deformable, compressible polymer material, such as polyurethane , silicone or polysulfide.
  • FIG 3 we see a windshield of relatively large area, the complete outline of the first glass sheets 1, 2 outer first and second panels constituting the entire laminated windshield, as well as the joint 3 connecting these first sheets of glass 1, 2.
  • the joint is very thin and discreet with respect to the entire surface of the windshield.
  • the invention thus makes it possible to increase the field of vision of the user, pilot, passenger, by eliminating or reducing the use of structural uprights forming part of the bodywork/cabin of the vehicle, or of mounting frames separating glazed surfaces in a partial and fractional way.
  • the invention on the contrary, provides relatively large and fully transparent surfaces, free of intermediate structural support uprights for fixing the glazing. The assembly and disassembly of these is simplified and faster.

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Abstract

The invention relates to laminated glazing comprising at least first and second elementary transparent laminated panels whose edges are next to one another and whose respective glass sheets are distinct and separated from one another, characterised in that the glass sheets (1, 4) of the first panel, on the one hand, and the glass sheets (2, 5) of the second panel, on the other hand, are joined together in pairs by an intermediate adhesive layer (7) which is rigidly attached to the surface of the assembly of the first and second panels and in that, in a region in which the first and second panels are positioned next to one another, a structuring element (8) is inserted into the intermediate adhesive layer (7). The invention also relates to the use of said laminated glazing as glazing for an air vehicle, in particular a drone, a plane or a helicopter, or a land vehicle, in particular a road or rail vehicle, or a watercraft.

Description

Description Description
Titre de l'invention : Vitrage feuilleté à plusieurs panneaux, dont une zone de juxtaposition de panneaux voisins est renforcée par insertion d’un élément structurantTitle of the invention: Laminated glazing with several panels, of which a zone of juxtaposition of neighboring panels is reinforced by the insertion of a structuring element
[0001] L’invention a trait au domaine des vitrages de véhicules terrestres, aériens, aquatiques soumis à des sollicitations pouvant être d’origine mécanique (pression, impact...), thermique ou thermomécanique. Actuellement, sur les différents types de véhicules ayant des formes complexes, la zone de vision permettant aux pilotes ou passagers d’avoir une vue vers l’extérieur du véhicule est entrecoupée de zones de structure appartenant aux véhicules et formant des zones d’appui pour la fixation des vitrages. Par exemple sur un avion, la zone de vision est coupée de plusieurs parties intégrant des montants de structure limitant ainsi la zone de vision. Sur un hélicoptère, il y a des éléments de structure mais également des encadrements de vitrages intégrant des fixations. The invention relates to the field of glazing for land, air and water vehicles subjected to stresses which may be of mechanical origin (pressure, impact, etc.), thermal or thermomechanical. Currently, on the different types of vehicles having complex shapes, the vision zone allowing the pilots or passengers to have a view of the exterior of the vehicle is interspersed with structural zones belonging to the vehicles and forming support zones for fixing the glazing. For example on an airplane, the vision zone is cut off by several parts incorporating structural uprights thus limiting the vision zone. On a helicopter, there are structural elements but also window frames incorporating fasteners.
[0002] Cette technique de sous-ensemble de zones vitrées séparées par des éléments de structure présente plusieurs inconvénients. This technique of subset of glazed areas separated by structural elements has several drawbacks.
[0003] Un premier inconvénient est la diminution de la zone de vision : les occupants de l’appareil ont une zone de vision relativement réduite de par la dimension des éléments de structure. Les zones sont d’autant plus réduites lorsque les vitrages sont encadrés, devant inclure les éléments de fixations (vis, rivets...) entre les zones vitrées. [0003] A first drawback is the reduction in the area of vision: the occupants of the device have a relatively small area of vision due to the size of the structural elements. The areas are all the more reduced when the glazing is framed, which must include the fixing elements (screws, rivets, etc.) between the glazed areas.
[0004] Un deuxième inconvénient est l’augmentation de la masse : d’un point de vue sollicitation mécanique, nous avons des changements de sections, de matériaux et de position de fibre neutre (zone de contrainte nulle), obligeant à dimensionner le vitrage et la structure avec une épaisseur considérable pour que l’ensemble puisse résister aux différentes sollicitations. La masse du sous-ensemble s’en trouve fortement impactée. [0004] A second drawback is the increase in mass: from a mechanical stress point of view, we have changes in sections, materials and neutral fiber position (zero stress zone), making it necessary to size the glazing and the structure with a considerable thickness so that the whole can withstand the different stresses. The mass of the sub-assembly is strongly impacted.
[0005] Un troisième inconvénient est l’augmentation des temps de montage/démontage : les temps d’opération sont allongés du fait que l’on doive monter chaque vitrage dans son logement. Plus il y a de vitrages, plus les opérations sont longues. [0006] Il existe donc un besoin de mettre à disposition un procédé unique d’assemblage pour la réalisation de la structure et du vitrage, le tout étant intégré lors de l’opération de feuilletage / autoclavage de l’ensemble du transparent. [0005] A third drawback is the increase in assembly/disassembly times: the operation times are lengthened because each glazing must be mounted in its housing. The more glazing, the longer the operations. [0006]There is therefore a need to provide a single assembly process for producing the structure and the glazing, the whole being integrated during the laminating/autoclaving operation of the entire transparency.
[0007] Cet objectif est atteint par l’invention qui, en conséquence, a pour objet un vitrage feuilleté comprenant au moins un premier et un second panneaux feuilletés élémentaires transparents juxtaposés par leurs chants, dont les feuilles de verre respectives sont distinctes et séparées les unes des autres, caractérisé en ce que les feuilles de verre du premier panneau d’une part, les feuilles de verre du second panneau d’autre part, sont collées deux à deux par une couche adhésive intercalaire qui est venue de matière sur la surface de l’ensemble des premier et second panneaux, et en ce que dans une zone de juxtaposition des premier et second panneaux, un élément structurant est inséré dans la couche adhésive intercalaire. Le vitrage feuilleté est réalisé en plusieurs parties (panneaux). Un élément structurant est intégré dans le vitrage lors de son feuilletage, de manière à se superposer à au moins une zone de bords ou chants jointifs de deux panneaux voisins (juxtaposés), sur une certaine largeur de part et d’autre de ces chants jointifs. Comme il sera vu plus en détails ci-dessous, le matériau et les dimensions de l’élément structurant sont choisis de sorte à permettre au vitrage feuilleté de résister aux différents cas de chargement auxquels il est soumis. Lors d’un impact à l’oiseau par exemple, l’élément structurant peut être amené à rompre sans pour autant engendrer un problème de sécurité, les différents panneaux du vitrage étant également liés par une ou plusieurs couches ou feuilles de matériau polymère, notamment adhésives intercalaires. L’élément structurant apporte la rigidité de la liaison du sous- ensemble, les éléments en matériau polymère la tenue de l’ensemble en cas de défaillance de l’élément structurant. En cas de rupture de l’élément structurant, la fonction de résistance à l’oiseau est assurée par l’intercalaire adhésif, matériau de liaison entre les différents panneaux permettant de garantir l’étanchéité du vitrage vis-à-vis de l’impacteur. [0007] This objective is achieved by the invention which, consequently, relates to a laminated glazing comprising at least a first and a second elementary transparent laminated panels juxtaposed by their edges, the respective glass sheets of which are distinct and separated from each other, characterized in that the glass sheets of the first panel on the one hand, the glass sheets of the second panel on the other hand, are bonded two by two by an intermediate adhesive layer which is integral to the surface of the assembly of the first and second panels, and in that in a juxtaposition zone of the first and second panels, a structuring element is inserted into the intermediate adhesive layer. Laminated glazing is made in several parts (panels). A structuring element is integrated into the glazing during its lamination, so as to be superimposed on at least one zone of edges or adjoining edges of two neighboring panels (juxtaposed), over a certain width on either side of these adjoining edges . As will be seen in more detail below, the material and the dimensions of the structuring element are chosen so as to enable the laminated glazing to withstand the various loading cases to which it is subjected. During a bird strike, for example, the structuring element may break without however giving rise to a safety problem, the various panes of the glazing also being linked by one or more layers or sheets of polymer material, in particular spacer adhesives. The structuring element provides the rigidity of the connection of the sub-assembly, the elements in polymer material the resistance of the assembly in the event of failure of the structuring element. In the event of breakage of the structuring element, the function of resistance to the bird is provided by the adhesive spacer, connecting material between the different panels making it possible to guarantee the sealing of the glazing vis-à-vis the impactor .
[0008] Les feuilles de verre du premier panneau d’une part, du second d’autre part sont indépendamment les unes des autres au nombre de m et n2 nombres entiers identiques ou différents supérieurs ou égaux à 2. Si m et n2 sont supérieurs ou égaux à 3, les feuilles de verre du premier panneau d’une part, les feuilles de verre du second panneau d’autre part, sont collées deux à deux par au moins deux couches adhésives intercalaires (dans deux niveaux d’épaisseurs différents de la structure feuilletée) qui toutes les deux séparément peuvent avantageusement être venues de matière sur la surface de l’ensemble des premier et second panneaux. Alors, dans une zone de juxtaposition des premier et second panneaux, un élément structurant est inséré dans l’une de ces deux couches adhésives intercalaires, ou dans les deux, voire, dans des feuilletés plus complexes, dans au moins trois telles couches adhésives intercalaires venues de matière sur la surface de l’ensemble des premier et second panneaux, à différents niveaux d’épaisseur de la structure feuilletée. The glass sheets of the first panel on the one hand, of the second on the other hand are independently of each other in the number of m and n2 identical or different whole numbers greater than or equal to 2. If m and n2 are greater than or equal to 3, the glass sheets of the first panel on the one hand, the glass sheets of the second panel on the other hand, are bonded two by two by at least two intermediate adhesive layers (in two different levels of thickness of the laminated structure) which both separately can advantageously be made in one piece on the surface of the assembly of the first and second panels. Then, in a zone of juxtaposition of the first and second panels, a structuring element is inserted in one of these two intermediate adhesive layers, or in both, or even, in more complex laminates, in at least three such intermediate adhesive layers indentations on the surface of all of the first and second panels, at different levels of thickness of the laminated structure.
[0009] Le vitrage feuilleté peut comprendre au moins trois, et par exemple jusqu’à sept panneaux feuilletés élémentaires transparents sans sortir du cadre de l’invention. Leurs chants sont alors juxtaposés selon au moins deux lignes de juxtaposition définissant au moins deux zones de juxtaposition (par exemple selon une bande d’une certaine largeur de part et d’autre de chacune des lignes de juxtaposition). Dans au moins deux de ces zones de juxtaposition, dans toutes ces zones de juxtaposition ou bien dans certaines seulement, au moins un élément structurant est inséré dans au moins une couche adhésive intercalaire. Au moins une de ces zones de juxtaposition peut être dépourvue d’élément structurant sans sortir du cadre de l’invention. [0009] The laminated glazing may comprise at least three, and for example up to seven transparent elementary laminated panels without departing from the scope of the invention. Their edges are then juxtaposed along at least two juxtaposition lines defining at least two juxtaposition zones (for example along a strip of a certain width on either side of each of the juxtaposition lines). In at least two of these juxtaposition zones, in all of these juxtaposition zones or even in some only, at least one structuring element is inserted in at least one intermediate adhesive layer. At least one of these juxtaposition zones may be devoid of any structuring element without departing from the scope of the invention.
[0010] De préférence, chaque feuille de verre du premier panneau est juxtaposée à une feuille de verre correspondante du second panneau, avec interposition d’un joint. Le joint est en matériau organique, tel que polyuréthane, silicone, polysulfure, il a une fonction d’étanchéité, présente éventuellement la souplesse requise pour une articulation, est transparent ou non. [0010] Preferably, each glass sheet of the first panel is juxtaposed with a corresponding glass sheet of the second panel, with the interposition of a gasket. The seal is made of organic material, such as polyurethane, silicone, polysulphide, it has a sealing function, possibly has the flexibility required for a joint, is transparent or not.
[0011] De préférence, l’élément structurant est en matériau organique, minéral, composite ou métallique. Des exemples en sont une fine feuille de verre renforcé chimiquement, une feuille de matériau polymère tel que résine époxy ou polyester insaturé à fibres de renforcement telles que fibres de verre, carbone, aramide... [0012] De préférence, les feuilles de verre sont en verre minéral tel que flotté sodocalcique, aluminosilicate, ou borosilicate, éventuellement durci, trempé thermiquement ou renforcé chimiquement, ou en verre organique tel que poly(méthacrylate de méthyle) (PMMA), polycarbonate (PC), poly(téréphtalate d’éthylène) (PET), ou polyuréthane (PU). [0011] Preferably, the structuring element is made of organic, mineral, composite or metallic material. Examples are a thin sheet of chemically reinforced glass, a sheet of polymeric material such as epoxy resin or unsaturated polyester with reinforcing fibers such as fiberglass, carbon, aramid... [0012] Preferably, the glass sheets are made of mineral glass such as soda-lime float, aluminosilicate, or borosilicate, optionally hardened, heat-tempered or chemically reinforced, or of organic glass such as poly(methyl methacrylate) (PMMA), polycarbonate (PC), poly(ethylene terephthalate) (PET), or polyurethane (PU).
[0013] De préférence, la (chaque) couche adhésive intercalaire est en polyvinylbutyral (PVB), polyuréthane thermoplastique (TPU), copolymère éthylène - acétate de vinyle (EVA) ou résine ionomère telle que poly(acide acrylique) partiellement neutralisé par une polyamine. [0013] Preferably, the (each) intermediate adhesive layer is made of polyvinyl butyral (PVB), thermoplastic polyurethane (TPU), ethylene-vinyl acetate copolymer (EVA) or ionomer resin such as poly(acrylic acid) partially neutralized with a polyamine. .
[0014] De préférence, au moins le premier et le second panneaux feuilletés élémentaires transparents sont constitués chacun d’au moins trois feuilles de verre collées deux à deux par une couche adhésive intercalaire qui est venue de matière sur la surface de l’ensemble des premier et second panneaux, et dans une zone de juxtaposition des premier et second panneaux, un élément structurant est inséré dans au moins deux couches adhésives intercalaires (à deux niveaux d’épaisseur de la structure feuilletée), dans la totalité ou non de ces au moins deux couches adhésives intercalaires. [0014] Preferably, at least the first and the second transparent elementary laminated panels each consist of at least three sheets of glass bonded two by two by an intermediate adhesive layer which is integral to the surface of all of the first and second panels, and in a zone of juxtaposition of the first and second panels, a structuring element is inserted in at least two intermediate adhesive layers (at two levels of thickness of the laminated structure), in all or not of these at least least two intermediate adhesive layers.
[0015] Dans une première variante, l’élément structurant s’étend sur toute la zone de juxtaposition des premier et second panneaux. On désigne par ces termes une zone continue s’étendant sur toute la longueur de juxtaposition des chants des deux panneaux, par exemple conformément à une bande. [0015] In a first variant, the structuring element extends over the entire juxtaposition zone of the first and second panels. These terms designate a continuous zone extending over the entire length of juxtaposition of the edges of the two panels, for example in accordance with a band.
[0016] Dans une deuxième variante, l’élément structurant s’étend sur une partie ou plusieurs parties disjointes de la zone de juxtaposition des premier et second panneaux. Quand dans cette zone de juxtaposition sont insérés plusieurs éléments structurants dans des couches adhésives intercalaires à différents niveaux d’épaisseur de la structure feuilletée, ils peuvent s’étendre indépendamment les uns des autres sur toute la zone (longueur) de juxtaposition des chants des deux panneaux, sur une partie seulement ou sur plusieurs parties disjointes de cette zone de juxtaposition. Ces différents éléments structurants peuvent être en matériaux identiques ou différents, dimensions identiques ou différentes dans l’épaisseur du feuilleté ou dans le plan de ses deux surfaces principales, de manière à être plus ou moins superposables, ou au contraire distincts. Des effets de résistance mécanique ainsi qu’esthétiques peuvent résulter de ces différents modes. [0016] In a second variant, the structuring element extends over a part or several separate parts of the zone of juxtaposition of the first and second panels. When several structuring elements are inserted in this juxtaposition zone in intermediate adhesive layers at different levels of thickness of the laminated structure, they can extend independently of each other over the entire zone (length) of juxtaposition of the edges of the two panels, on only one part or on several separate parts of this juxtaposition zone. These different structuring elements can be made of identical or different materials, identical or different dimensions in the thickness of the laminate or in the plane of its two main surfaces, so as to be more or less superimposable, or on the contrary. distinct. Mechanical strength as well as aesthetic effects can result from these different modes.
[0017] De préférence, le vitrage feuilleté comprend au moins un premier, un second et un troisième panneaux feuilletés élémentaires transparents, jusqu’à sept notamment. Sont alors définies au moins deux zones de juxtaposition entre deux panneaux élémentaires adjacents, au moins un élément structurant étant inséré dans toutes ces zones de juxtaposition, ou seulement dans certaines ou une seule d’entre elles. [0017] Preferably, the laminated glazing comprises at least a first, a second and a third transparent elementary laminated panels, up to seven in particular. At least two juxtaposition zones are then defined between two adjacent elementary panels, at least one structuring element being inserted in all these juxtaposition zones, or only in some or only one of them.
[0018] L’invention a aussi pour objet l’application d’un vitrage feuilleté défini précédemment comme vitrage à fixation par collage, boulonnage ou pincement, particulièrement comme vitrage de véhicule aérien, notamment drone, avion, notamment avion d’affaire (en anglais « business jet ») ou de tourisme, ou hélicoptère, de véhicule terrestre, notamment routier ou ferroviaire, ou aquatique. [0018] The invention also relates to the application of a laminated glazing defined above as glazing fixed by gluing, bolting or pinching, particularly as glazing for an air vehicle, in particular drone, airplane, in particular business aircraft (in English “business jet”) or tourism, or helicopter, land vehicle, in particular road or rail, or aquatic.
[0019] L’invention sera mieux comprise à la lumière de la description des dessins annexés dans lesquels The invention will be better understood in the light of the description of the accompanying drawings in which
[0020] [Fig. 1] est une représentation schématique vue en coupe transversale d’un vitrage feuilleté selon l’invention. [0020] [Fig. 1] is a schematic cross-sectional representation of a laminated glazing according to the invention.
[0021] [Fig. 2] est une vue agrandie de la coupe transversale de la figure 1 dans la zone de juxtaposition du premier et du second panneaux. [0021] [Fig. 2] is an enlarged view of the cross-section of FIG. 1 in the zone of juxtaposition of the first and the second panels.
[0022] [Fig. 3] est une vue de face d’un pare-brise double destiné à occuper la surface de deux pare-brise de l’art antérieur, séparés par un montant structural vertical faisant partie de la carlingue d’un avion. [0022] [Fig. 3] is a front view of a double windshield intended to occupy the surface of two windshields of the prior art, separated by a vertical structural upright forming part of the cabin of an aircraft.
[0023] En référence aux figures 1 et 2, un vitrage feuilleté selon l’invention comprend un premier et un second panneaux feuilletés élémentaires transparents. Le premier panneau feuilleté élémentaire est constitué d’une première feuille de verre 1 collée à une seconde feuille de verre 4 au moyen d’une couche adhésive intercalaire 7. Le second panneau élémentaire est constitué d’une première feuille de verre 2 collée à une seconde feuille de verre 5 par la couche adhésive intercalaire 7 qui est venue de matière sur toute l’étendue du premier et du second panneau. Les premières feuilles de verre 1 , 2 des premier et second panneaux sont constituées du même matériau, par exemple verre aluminosilicate renforcé chimiquement d’une épaisseur adaptée à l’utilisation du vitrage, comprise notamment entre 2 et 8 mm. Les secondes feuilles de verre 4, 5 des premier et second panneaux sont également constituées du même matériau, par exemple verre aluminosilicate renforcé chimiquement ou verre sodocalcique trempé thermiquement d’épaisseur comprise entre 2 et 8 mm, ou poly(méthacrylate de méthyle) (PMMA), polyuréthane (PU) ou polycarbonate (PC) d’épaisseur comprise entre 3 et 16 mm. Si ces dernières 4, 5 sont en verre minéral, la couche adhésive intercalaire 7 est en polyvinylbutyral (PVB) d’épaisseur comprise entre 0,38 et 8 mm, si elles sont en matériau polymère, la couche adhésive intercalaire est en polyuréthane thermoplastique (TPU) d’épaisseur comprise entre 0,5 et 10 mm. Referring to Figures 1 and 2, a laminated glazing according to the invention comprises a first and a second transparent elementary laminated panels. The first elementary laminated panel consists of a first sheet of glass 1 bonded to a second sheet of glass 4 by means of an intermediate adhesive layer 7. The second elementary panel consists of a first sheet of glass 2 bonded to a second sheet of glass 5 by the intermediate adhesive layer 7 which is made in one piece over the entire extent of the first and the second panel. The first sheets of glass 1, 2 of the first and second panels are made of the same material, for example aluminosilicate glass chemically reinforced with a thickness suitable for the use of the glazing, in particular between 2 and 8 mm. The second sheets of glass 4, 5 of the first and second panels are also made of the same material, for example chemically reinforced aluminosilicate glass or heat-tempered soda-lime glass with a thickness of between 2 and 8 mm, or poly(methyl methacrylate) (PMMA ), polyurethane (PU) or polycarbonate (PC) thickness between 3 and 16 mm. If the latter 4, 5 are made of mineral glass, the intermediate adhesive layer 7 is made of polyvinyl butyral (PVB) with a thickness of between 0.38 and 8 mm, if they are made of polymer material, the intermediate adhesive layer is made of thermoplastic polyurethane ( TPU) thickness between 0.5 and 10 mm.
[0024] Les bords ou chants des premier et second panneaux élémentaire définissent des profils correspondants permettant de les joindre parfaitement comme représenté. The edges or edges of the first and second elementary panels define corresponding profiles allowing them to be joined perfectly as shown.
[0025] Un élément structurant 8 est noyé dans la couche adhésive intercalaire 7 uniquement dans la zone de juxtaposition des deux panneaux, conformément à une bande de part et d’autre de leur profil de juxtaposition (délimitation entre les deux panneaux). L’élément structurant 8 est transparent en verre renforcé chimiquement par exemple de 1 à 2,5 mm d’épaisseur, ou métallique de 0,5 à 4 mm d’épaisseur, ou en résine thermodurcissable renforcée de fibres de renforcement de verre ou aramide, de 0,7 à 3 mm d’épaisseur. A structuring element 8 is embedded in the intermediate adhesive layer 7 only in the juxtaposition zone of the two panels, in accordance with a band on either side of their juxtaposition profile (delimitation between the two panels). The structuring element 8 is transparent in chemically reinforced glass, for example 1 to 2.5 mm thick, or metal 0.5 to 4 mm thick, or in thermosetting resin reinforced with glass or aramid reinforcing fibers , 0.7 to 3 mm thick.
[0026] Les premières, respectivement secondes feuilles de verre 1 , 2, respectivement 4, 5 des premier et second panneaux sont reliés de manière étanche par un joint 3, respectivement 6 en matériau polymère éventuellement transparent déformable, compressible, tel qu’en polyuréthane, silicone ou polysulfure. The first, respectively second sheets of glass 1, 2, respectively 4, 5 of the first and second panels are connected in a sealed manner by a seal 3, respectively 6 in optionally transparent deformable, compressible polymer material, such as polyurethane , silicone or polysulfide.
[0027] Sur la figure 3, on voit d’un pare-brise de relativement grande surface, le contour complet des premières feuilles de verre 1 , 2 extérieures des premier et second panneaux constituant tout le pare-brise feuilleté, ainsi que le joint 3 reliant ces premières feuilles de verre 1 , 2. Le joint est très fin et discret par rapport à la totalité de la surface du pare-brise. [0028] L’invention permet ainsi d’augmenter le champ de vision de l’utilisateur, pilote, passager, en supprimant ou diminuant l’emploi de montants structuraux faisant partie de la carrosserie / carlingue du véhicule, ou de cadres de montage séparant des surfaces vitrées de manière partielle et fractionnée. L’invention met au contraire à disposition des surfaces relativement grandes et intégralement transparentes, exemptes de montants structuraux intermédiaires d’appui pour la fixation des vitrages. Le montage et démontage de ceux-ci est simplifié et plus rapide. In Figure 3, we see a windshield of relatively large area, the complete outline of the first glass sheets 1, 2 outer first and second panels constituting the entire laminated windshield, as well as the joint 3 connecting these first sheets of glass 1, 2. The joint is very thin and discreet with respect to the entire surface of the windshield. The invention thus makes it possible to increase the field of vision of the user, pilot, passenger, by eliminating or reducing the use of structural uprights forming part of the bodywork/cabin of the vehicle, or of mounting frames separating glazed surfaces in a partial and fractional way. The invention, on the contrary, provides relatively large and fully transparent surfaces, free of intermediate structural support uprights for fixing the glazing. The assembly and disassembly of these is simplified and faster.

Claims

8 Revendications 8 Claims
[Revendication 1] Vitrage feuilleté comprenant au moins un premier et un second panneaux feuilletés élémentaires transparents juxtaposés par leurs chants, dont les feuilles de verre respectives sont distinctes et séparées les unes des autres, caractérisé en ce que les feuilles de verre (1 , 4) du premier panneau d’une part, les feuilles de verre (2, 5) du second panneau d’autre part, sont collées deux à deux par une couche adhésive intercalaire (7) qui est venue de matière sur la surface de l’ensemble des premier et second panneaux, et en ce que dans une zone de juxtaposition des premier et second panneaux, un élément structurant (8) est inséré dans la couche adhésive intercalaire (7). [Claim 1] Laminated glazing comprising at least a first and a second elementary transparent laminated panels juxtaposed by their edges, the respective glass sheets of which are distinct and separated from each other, characterized in that the glass sheets (1, 4 ) of the first panel on the one hand, the glass sheets (2, 5) of the second panel on the other hand, are bonded two by two by an intermediate adhesive layer (7) which is integral to the surface of the assembly of the first and second panels, and in that in a juxtaposition zone of the first and second panels, a structuring element (8) is inserted into the intermediate adhesive layer (7).
[Revendication 2] Vitrage feuilleté selon la revendication 1 , caractérisé en ce que chaque feuille de verre (1 , 4) du premier panneau est juxtaposée à une feuille de verre (2, 5) correspondante du second panneau, avec interposition d’un joint (3, 6). [Claim 2] Laminated glazing according to claim 1, characterized in that each glass sheet (1, 4) of the first panel is juxtaposed with a glass sheet (2, 5) corresponding to the second panel, with the interposition of a seal (3, 6).
[Revendication 3] Vitrage feuilleté selon l’une des revendications précédentes, caractérisé en ce que l’élément structurant (8) est en matériau organique, minéral, composite ou métallique. [Claim 3] Laminated glazing according to one of the preceding claims, characterized in that the structuring element (8) is made of organic, mineral, composite or metallic material.
[Revendication 4] Vitrage feuilleté selon l’une des revendications précédentes, caractérisé en ce que les feuilles de verre (1 , 4, 2, 5) sont en verre minéral tel que flotté sodocalcique, aluminosilicate, ou borosilicate, éventuellement durci, trempé thermiquement ou renforcé chimiquement, ou en verre organique tel que poly(méthacrylate de méthyle) (PMMA), polycarbonate (PC), poly(téréphtalate d’éthylène) (PET), ou polyuréthane (PU). [Claim 4] Laminated glazing according to one of the preceding claims, characterized in that the glass sheets (1, 4, 2, 5) are made of mineral glass such as soda-lime float, aluminosilicate or borosilicate, optionally hardened, thermally tempered or chemically reinforced, or organic glass such as poly(methyl methacrylate) (PMMA), polycarbonate (PC), poly(ethylene terephthalate) (PET), or polyurethane (PU).
[Revendication 5] Vitrage feuilleté selon l’une des revendications précédentes, caractérisé en ce que la couche adhésive intercalaire (7) est en polyvinylbutyral (PVB), polyuréthane thermoplastique (TPU), copolymère éthylène - acétate de vinyle (EVA) ou résine ionomère. [Claim 5] Laminated glazing according to one of the preceding claims, characterized in that the intermediate adhesive layer (7) is made of polyvinyl butyral (PVB), thermoplastic polyurethane (TPU), ethylene-vinyl acetate copolymer (EVA) or ionomer resin .
[Revendication 6] Vitrage feuilleté selon l’une des revendications précédentes, caractérisé en ce qu’au moins le premier et le second panneaux 9 feuilletés élémentaires transparents sont constitués chacun d’au moins trois feuilles de verre collées deux à deux par une couche adhésive intercalaire qui est venue de matière sur la surface de l’ensemble des premier et second panneaux, et en ce que dans une zone de juxtaposition des premier et second panneaux, un élément structurant est inséré dans au moins deux couches adhésives intercalaires. [Claim 6] Laminated glazing according to one of the preceding claims, characterized in that at least the first and the second panels 9 transparent elementary laminates each consist of at least three sheets of glass bonded two by two by an intermediate adhesive layer which is integral to the surface of the assembly of the first and second panels, and in that in a zone of juxtaposition of the first and second panels, a structuring element is inserted into at least two intermediate adhesive layers.
[Revendication 7] Vitrage feuilleté selon l’une des revendications précédentes, caractérisé en ce que l’élément structurant (8) s’étend sur toute la zone de juxtaposition des premier et second panneaux. [Claim 7] Laminated glazing according to one of the preceding claims, characterized in that the structuring element (8) extends over the entire juxtaposition zone of the first and second panels.
[Revendication 8] Vitrage feuilleté selon l’une des revendications 1 à 6, caractérisé en ce que l’élément structurant (8) s’étend sur une partie ou plusieurs parties disjointes de la zone de juxtaposition des premier et second panneaux. [Claim 8] Laminated glazing according to one of Claims 1 to 6, characterized in that the structuring element (8) extends over one part or several separate parts of the juxtaposition zone of the first and second panels.
[Revendication 9] Vitrage feuilleté selon l’une des revendications précédentes, caractérisé en ce qu’il comprend au moins un premier, un second et un troisième panneaux feuilletés élémentaires transparents. [Claim 9] Laminated glazing according to one of the preceding claims, characterized in that it comprises at least a first, a second and a third transparent elementary laminated panels.
[Revendication 10] Application d’un vitrage feuilleté selon l’une des revendications précédentes comme vitrage à fixation par collage, boulonnage ou pincement. [Claim 10] Application of a laminated glazing according to one of the preceding claims as glazing for fixing by gluing, bolting or pinching.
[Revendication 11] Application selon la revendication 10 comme vitrage de véhicule aérien, notamment drone, avion ou hélicoptère, terrestre, notamment routier ou ferroviaire, ou aquatique. [Claim 11] Application according to claim 10 as glazing for an aerial vehicle, in particular drone, airplane or helicopter, land, in particular road or rail, or aquatic.
EP21848002.8A 2020-12-14 2021-12-13 Laminated glazing with several panels, of which a region for positioning adjacent panels next to one another is reinforced by inserting a structuring element Pending EP4259426A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2013196A FR3117403B1 (en) 2020-12-14 2020-12-14 Laminated glazing with several panels, of which a zone of juxtaposition of neighboring panels is reinforced by the insertion of a structuring element
PCT/FR2021/052287 WO2022129751A1 (en) 2020-12-14 2021-12-13 Laminated glazing with several panels, of which a region for positioning adjacent panels next to one another is reinforced by inserting a structuring element

Publications (1)

Publication Number Publication Date
EP4259426A1 true EP4259426A1 (en) 2023-10-18

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EP21848002.8A Pending EP4259426A1 (en) 2020-12-14 2021-12-13 Laminated glazing with several panels, of which a region for positioning adjacent panels next to one another is reinforced by inserting a structuring element

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US (1) US20240034031A1 (en)
EP (1) EP4259426A1 (en)
CN (1) CN116615397A (en)
CA (1) CA3198801A1 (en)
FR (1) FR3117403B1 (en)
WO (1) WO2022129751A1 (en)

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TW202043021A (en) * 2019-03-31 2020-12-01 美商康寧公司 Transparent acoustic absorber-diffusers and methods

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781415B1 (en) * 1998-07-24 2000-09-01 Saint Gobain Vitrage SAFETY SHEET GLAZING
DE102017009116A1 (en) * 2017-09-21 2019-03-21 Audi Ag Composite pane for a motor vehicle and motor vehicle with at least one composite pane
FR3079776B1 (en) * 2018-04-05 2020-03-27 Noemille Participations GLASS GLASS FUNCTIONAL OUTDOOR FASTENER

Also Published As

Publication number Publication date
CN116615397A (en) 2023-08-18
WO2022129751A1 (en) 2022-06-23
CA3198801A1 (en) 2022-06-23
FR3117403B1 (en) 2022-11-18
FR3117403A1 (en) 2022-06-17
US20240034031A1 (en) 2024-02-01

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