EP0890699B1 - Glazing element with high insulating properties provided with a plastic section member - Google Patents

Glazing element with high insulating properties provided with a plastic section member Download PDF

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Publication number
EP0890699B1
EP0890699B1 EP98400872A EP98400872A EP0890699B1 EP 0890699 B1 EP0890699 B1 EP 0890699B1 EP 98400872 A EP98400872 A EP 98400872A EP 98400872 A EP98400872 A EP 98400872A EP 0890699 B1 EP0890699 B1 EP 0890699B1
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EP
European Patent Office
Prior art keywords
glazed element
glazed
element according
profile
plastic
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.)
Expired - Lifetime
Application number
EP98400872A
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German (de)
French (fr)
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EP0890699A2 (en
EP0890699A3 (en
Inventor
Claude Morin
Yves Demars
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Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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Publication of EP0890699A2 publication Critical patent/EP0890699A2/en
Publication of EP0890699A3 publication Critical patent/EP0890699A3/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/0434—Glass or transparent panels
    • 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 invention relates to a glazed element with high insulating power provided with a plastic profile, in particular intended to be fixed on a structure carrier.
  • She is particularly interested in the fixing of glass element to high insulating power on a supporting structure by a technique of fixing said elements by their circumference using a peripheral frame material plastic.
  • the glazed elements thus fixed are glazing monolithic or laminated glazing.
  • such glazings because of their structure and their mechanical behavior, can easily be equipped with profiles at the periphery.
  • the usual techniques of injection deposition of a plastic profile on monolithic or laminated glazing have been widely described in many documents. These techniques have is the subject of many research and improvements. They are on time currently perfectly controlled and widely used.
  • these types glazing does not meet the criteria of acoustic and thermal comfort sought after in recent constructions.
  • Each of the substrates may be a unit glass plate or present a laminated structure.
  • the techniques conventional methods of depositing a peripheral plastic frame pose some problems. Indeed, such insulating glass units are not studied for withstand high pressure on the periphery, because of the nature of the joints sealing devices.
  • the application of high pressures such as, for example, for example, those required in the thermoplastic injection technique, would cause a crushing of the peripheral seal and therefore, as a consequence, a peripheral deformation of the glass sheets constituting the insulating glazing, deformation weakening the insulating glass and may even lead to bursting.
  • European Patent EP-B-236 211 discloses glazing having two glass sheets separated by a dehydrated air space. The Peripheral seal is obtained by reactive injection in situ under high pressure. To achieve this glazing, it is proposed a device comprising means of pulling each glass sheet of the glazing against a wall of the mold during the molding operation. In this way, the crushing of the joint device is deleted.
  • the usual insulating glazing units provide insulation thermal rating considered unsatisfactory for some applications.
  • he is known to produce glazing comprising three sheets of glass and one air blades can be replaced by a gas such as Krypton.
  • These glazings have significantly improved insulation properties but have a structure and mechanical behavior such that it is not easy for them to use, especially in montages type hung glazing.
  • the object of the invention is to provide an insulating glazing unit equipped with a frame plastic peripheral obviating the various disadvantages previously mentioned.
  • the invention thus relates to a glazed element with high insulating power composed of at least two sheets of glass between which a void has been realized, separated from each other by studs distributed over the entire surface and joined at their periphery by a mineral seal, this glazed element being such that at least part of its outer surface is covered by minus a molded plastic profile and preferably at least a portion of its periphery on at least one of its faces.
  • Patent Application EP-A-0 645 516 describes an insulating glazing unit consisting of two glass sheets separated from each other by a weak space in which the void has been realized.
  • the glass sheets are separated each other by studs distributed over the entire surface and joined to their peripheries by a mineral seal.
  • the structure of such a glazing has the advantage of giving it rigidity and holding equivalent to those of a monolithic glazing of thickness equal to the sum of the thicknesses glass sheets, that is to say the glass sheets behave as only one whose thickness is the sum of the two.
  • This type of glazing presents advantageously a small thickness for insulation properties thermal improvements.
  • the high glazed element insulating power because of its mechanical behavior, does not require supporting frames unlike conventional insulating glass units. So, the hanging such glazed elements can be realized by means of profiles in plastic material positioned on at least one face of said glazed element periphery and this without risk of degradation of the glazed element, in particular of the peripheral seal.
  • the plastic profile also covers the edge and / or both sides of the glazed element.
  • the contact surface between the glazed element and the material profile plastic is more important and the maintenance of the glazed element can be achieved mechanically and / or by gluing.
  • the plastic profile covers the entire periphery of the element.
  • this layout of the plastic profile greatly facilitates all handling operations, transport and installation on site. Indeed, she improves the protection of the glazing and more particularly its edges with the possibility of stacking windows on each other others without having to interpose shims, the glazed surfaces not being contact with each other because of the extra thickness of the profiles.
  • the part outer profile of plastic masking its own inner part and the peripheral sealing seal of the glazed element and being able to be tinted, or be painted to match the supporting structure on which the glazed element is intended to be fixed.
  • the overmolded plastic profile is a profile obtained by thermoplastic injection or by reactive injection.
  • the technique of overmolding by injection of an entourage around the periphery of a monolithic or laminated glazing has been described in many documents especially in patents EP-B-127 546 and EP-B-145 443.
  • the inventors have demonstrated that the application of such overmoulding techniques by injection on glazed elements according to the invention makes it possible to perform plastic profiles without the risk of degradation or bursting of the glazed element.
  • the mechanical strength of these glazed elements being equivalent to that of monolithic elements, it is possible to apply strong pressures on the edges of the glazed element unlike the insulating glass conventional.
  • this injection molding technique is used when the plastic profile covers at least one face and the song of the glazed element.
  • the overmolded plastic profile is an extruded profile.
  • "Extruded profile” means all types of profile prefabricated by extrusion which can be glued to the glazed element or extruded directly on the glazed element.
  • the extrusion deposition technique of a frame elastomer on monolithic or laminated glazing has been described in numerous documents, in particular in European patents EP-B-121 481 and EP-B-524 092. The inventors have shown that the use of such Conventional extrusion deposition techniques are not a problem with the glazed element according to the invention.
  • this technique of extrusion deposit is used when the plastic profile covers only one side of the glazed element.
  • the profile made of plastic, substantially in the plane of the glazed element, a part flange constituting an element of a fastener assembly.
  • the glazed element provided with such a profile can be easily attached to a bearing structure, for example, by bonding said overlying part to the supporting structure, by nailing through said overflowing part or by any other means known to those skilled in the art.
  • said portion protruding from the section of material plastic may constitute a means of centering the glazed element on the carrier structure, for example, when it consists of a set of cells inside which the glazed element is embedded.
  • the overflowing part said plastic profile has projecting areas such as legs, flanges, abutments, participating in the set-up, rigging and / or fixing said glazed element.
  • the plastic profile has a shape appropriate to the type of attachment envisaged for a type of application concerned such as, for example, a sealing lip at the level of the upper surface of the glazed element and a hooking tab at the level of the flanking portion of said profile for a flake-type mounting for the building roof.
  • the leg latching allows the glazed elements to be positioned level of the battens of the frame and the sealing lip then comes into contact with the upper glazed element which partially overlaps the said glazed element in order to thus achieve the sealing of the assembly at this level. overlap.
  • At least one insert is embedded in the plastic profile.
  • the presence of such inserts allows the attachment of the glazed element to a structure carrier, this fixing being able to be for example of the snap type or type screwing, or allows the attachment of glass elements together.
  • the glass sheets of the glazed element undergo a quenching treatment.
  • This quenching allows to reinforce the resistance of the glass sheets during the realization of the vacuum, as well as than the overall strength of the glazed element in its various applications.
  • At least one of the glass sheets comprises advantageously a low-emissive layer on its internal face, that is to say on the face in contact with the pads. This layer can contribute to thermal insulation function.
  • the invention also relates to the use of the predefined glazed element.
  • a first use concerns the constitution of roofs, the glazed elements serving as tiles or covering panels.
  • the constitution of roofing is carried out by fixing said glazed elements by nailing, screwing or stapling through the projecting portion of said sections of material plastic.
  • a second use relates to the constitution of building facades large areas.
  • This type of application makes it possible to produce facades of entirely made of glazed elements, some transparent playing the role of glazing-vision, the other opaque, generally acting spandrels.
  • Such facades have a minimum of surface discontinuity views from the outside.
  • a third use relates to the constitution of doors or walls of climatic chambers.
  • This type of application has the advantage of producing, for a small wall thickness, a very high thermal insulation for this kind of use, thermal insulation that can not be achieved with the conventional insulating glazing having an overall thickness meeting the criteria congestion and visibility.
  • the glazed element 1 with high insulating power consists of two sheets of glass 2 and 3 between which a vacuum 4 has been made, separated from one another by studs 5 distributed over the entire surface and joined at their periphery by a mineral seal 6.
  • the glass sheet 2 is coated on its face internal of a low emissive layer 7.
  • This layer is for example of the type of that described in French Patent No. 2,701,474 filed in the name of SAINT-GOBAIN GLAZING INTERNATIONAL.
  • the pads 5 have a thickness of 0.2 millimeter and a diameter of 0.4 millimeter. They are spread all over the surface of the glass sheets and are distant from each other by 30 millimeters.
  • the studs 5 are deposited on one of the glass sheets 2 and 3 after these have been coated with a low-emissive layer 7, for example by pyrolysis, then soaked. After depositing a string of glass frit at the periphery of the second glass sheet, the two glass sheets 2 and 3 are assembled and then heat treatment of the assembly for weld the two glass sheets 2 and 3, the sealing gasket 6 thus realizing the tightness of the whole.
  • We then realize the gap between two sheets of glass 2 and 3 by any means known to those skilled in the art, such as, for example, by the process described in the patent application French translation in the name of SAINT-GOBAIN VITRAGE under n ° 96/09 632.
  • the glazed element is then ready to be equipped with a plastic profile.
  • FIG. 1 represents the glazed element 1 whose four corners are covered with a section 8 made of plastic.
  • the profiles 8 allow the mechanical attachment of the assembly to a supporting structure, and this by attachment points 9. Other locations of the profiles 8 in matter plastic, that is to say other than located in the corners, are also possible.
  • FIG. 2 represents the glazed element 1 whose edge is illustrated by a dotted line 20 and whose entire periphery is covered with a profile 10 made of plastic
  • this profile 10 allows the mechanical attachment of the assembly to a bearing structure, and this by snap points 11. Points other than in the corners are also possible. The number of snap points will be determined based on the size of the element 1, the type of application envisaged and the desired aesthetics.
  • the profiles 8 and 10 will preferably be obtained either by injection thermoplastic or by reactive injection, or by extrusion.
  • Injection deposition techniques have been described in many documents. They consist, in a general way, in setting up on the edge of the element, a mold formed of two mold halves, which defines the molding cavity. After closing the mold, the molding cavity is filled with plastic material. When the plastic material presents the inside of the mold forms a profile no longer deforming, the mold is open and the element thus framed is removed from the mold.
  • the plastics material is a reaction mixture that expands into the cavity and forms a body porous mold with an envelope sealing.
  • thermoplastic injection deposition technique the cavity of the mold is filled with thermoplastic material melted under pressure relatively high.
  • extrusion deposition technique has also been described in many documents such as for example in the European patent EP-B-524 092. In general, it consists in using a robot that moves a extrusion nozzle at the periphery of the element in order to deposit a profile in plastic material according to a determined continuous trajectory or not, the nozzle extrusion being fed with plastic from an extruder for through a pressure hose.
  • extrusion deposition technique will be preferred when the profile is plastic material will only cover one face, this technique being more adapted to the surface deposit. Moreover, this technique does not require the production of molds adapted to each type of element.
  • an adhesion promoter deposited on the periphery of the glazed element it is advantageous to use, before the deposition of the plastic material, an adhesion promoter deposited on the periphery of the glazed element.
  • the choice of the priming composition as adhesion promoter depends on the nature of the profile.
  • This composition is, for example, type of that described in European patents EP 0 574 315 and EP 0 603 072, that is to say based on at least one silane and a composition capable of to form a layer with free hydroxyl groups.
  • This kind of composition gives good results for the profiles in thermoplastic such as those, for example, polyurethane.
  • FIG. 3 represents a first embodiment of the glazed element according to the invention.
  • the glazed element 1 is covered by a profile 12 made of plastic material on one of its faces, the profile 12 being positioned on the periphery of the glass sheet 3.
  • this section 12 has in its thickness a hole 13 which allows the insertion of a fastening element such as, for example, a screw-nut, this element of fastening for fastening the glazed element to a structure carrier through the profile 12.
  • a fastening element such as, for example, a screw-nut
  • FIG. 4 represents a second embodiment of the element glazed according to the invention.
  • the glazed element 1 is covered by a section 14 of plastic material on both sides and on its edge, that is to say the profile 14 is positioned on the entire edge of the glazed element 1.
  • this profile 14 has an extra thickness of material at the level of the edge of the glazed element, this part of the profile being pierced so that a fastening element such as, for example, a screw-nut, can be introduced for attachment to a supporting structure.
  • FIG. 5 represents a third embodiment of the element glazed according to the invention.
  • the glazed element 1 is covered by a plastic profile 16 on the entire edge of The glazed element 1.
  • this section 16 has an element female 17 of a latching system, this member 17 then cooperating with the corresponding male organ forming an integral part of the structure carrier.
  • the member 17 can also be the male organ of a system latching cooperating with the corresponding female member forming part integral of the supporting structure.
  • FIG. 6 represents a fourth embodiment of the element glazed according to the invention.
  • the glazed element 1 is covered by a plastic profile 18 on the entire edge of the glazed element 1.
  • the profile 18 is provided with a metal insert 19, one of which part is embedded in the plastic material, this insert 19 cooperating with a fastening means in order to allow the attachment of the glazed element 1 to a supporting structure.
  • the metal insert 19 may be, for example, a screw of which only the head is embedded in the profile 18.
  • FIG. 7 represents a fifth embodiment of the element glazed according to the invention.
  • the glazed element 1 is covered by a section 21 of plastic material on its entire edge.
  • this section 21 has substantially in the plane of the glazed element 1, an overflowing portion 22.
  • This overflowing portion 22 has at its end an appendage 23 in L that we will call leg and the profile 21 at the edge of the sheet overlap glass 2 has a lip 24 which we will call sealing lip.
  • This type of profile 21 is particularly suitable for the constitution of tiles mounted in shell, the bonding paste abutting on a batten of a frame and the section 21 is then nailed to the bed.
  • the lip 24 makes it possible to sealing between two glazed elements thus hung at the level of their horizontal overlap.

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  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Insulators (AREA)
  • Special Wing (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Inorganic Insulating Materials (AREA)
  • Electronic Switches (AREA)
  • Glass Compositions (AREA)
  • Ceramic Capacitors (AREA)
  • Laminated Bodies (AREA)

Abstract

The glazed window with a high insulating power is composed of two sheets of glass (2,3) between which is a gap (4). The glass sheets are separated from each other by pins (5), distributed over all the surface, and joined at their periphery by a mineral sealing joint. One part of the external surface of the glazed component is covered by a plastics section (18).

Description

L'invention concerne un élément vitré à haut pouvoir isolant muni d'un profilé en matière plastique, notamment destiné à être fixé sur une structure porteuse.The invention relates to a glazed element with high insulating power provided with a plastic profile, in particular intended to be fixed on a structure carrier.

Elle s'intéresse plus particulièrement à la fixation d'élément vitré à haut pouvoir isolant sur une structure porteuse par une technique consistant à fixer lesdits éléments par leur pourtour à l'aide d'un cadre périphérique en matière plastique.She is particularly interested in the fixing of glass element to high insulating power on a supporting structure by a technique of fixing said elements by their circumference using a peripheral frame material plastic.

La description sera faite en référence au procédé de dépôt d'un cadre périphérique en matière plastique selon les techniques de dépôt par injection, mais l'invention ne se limite pas à ce type de dépôt.The description will be made with reference to the method of depositing a frame plastic periphery according to injection deposition techniques, but the invention is not limited to this type of deposit.

D'une manière générale, les éléments vitrés ainsi fixés sont des vitrages monolithiques ou des vitrages feuilletés. En effet, de tels vitrages, du fait de leur structure et de leur comportement mécanique, peuvent facilement être munis de profilés en périphérie. Les techniques usuelles de dépôt par injection d'un profilé en matière plastique sur des vitrages monolithiques ou feuilletés ont été largement décrites dans de nombreux documents. Ces techniques ont fait l'objet de nombreuses recherches et améliorations. Elles sont à l'heure actuelle parfaitement maítrisées et largement utilisées. Cependant ces types de vitrages ne répondent pas aux critères de confort acoustique et thermique recherchés dans les constructions récentes.In general, the glazed elements thus fixed are glazing monolithic or laminated glazing. Indeed, such glazings, because of their structure and their mechanical behavior, can easily be equipped with profiles at the periphery. The usual techniques of injection deposition of a plastic profile on monolithic or laminated glazing have been widely described in many documents. These techniques have is the subject of many research and improvements. They are on time currently perfectly controlled and widely used. However these types glazing does not meet the criteria of acoustic and thermal comfort sought after in recent constructions.

Il est usuel pour obtenir une isolation thermique et/ou acoustique de réaliser des vitrages isolants comportant deux substrats séparés l'un de l'autre par une lame d'air relativement importante dont l'étanchéité est assurée par un joint périphérique de manière connue et portés par un cadre que l'on nommera par la suite cadre porteur.It is usual to obtain a thermal and / or acoustic insulation of to produce insulating glazings comprising two substrates separated from each other by a relatively large air gap whose sealing is ensured by a peripheral seal in known manner and carried by a frame that will be named subsequently carrier frame.

Chacun des substrats peut être une plaque de verre unitaire ou présenter une structure feuilletée. Mais il est à noter que les techniques usuelles de dépôt d'un cadre périphérique en matière plastique posent certains problèmes. En effet, de tels vitrages isolants ne sont pas étudiés pour supporter de fortes pressions en périphérie, cela du fait de la nature des joints périphériques d'étanchéité. L'application de pressions élevées telles que, par exemple, celles nécessaire dans la technique d'injection thermoplastique, causerait un écrasement du joint périphérique et donc, en conséquence, une déformation périphérique des feuilles de verre constituant le vitrage isolant, déformation fragilisant le vitrage isolant et pouvant même entraíner son éclatement.Each of the substrates may be a unit glass plate or present a laminated structure. But it should be noted that the techniques conventional methods of depositing a peripheral plastic frame pose some problems. Indeed, such insulating glass units are not studied for withstand high pressure on the periphery, because of the nature of the joints sealing devices. The application of high pressures such as, for example, for example, those required in the thermoplastic injection technique, would cause a crushing of the peripheral seal and therefore, as a consequence, a peripheral deformation of the glass sheets constituting the insulating glazing, deformation weakening the insulating glass and may even lead to bursting.

Des techniques de dépôt d'un cadre périphérique sur des vitrages isolants sont connues. Le brevet européen EP-B-236 211 décrit un vitrage comportant deux feuilles de verre séparées par une lame d'air déshydratée. Le joint périphérique est obtenu par injection réactive in situ sous forte pression. Pour réaliser ce vitrage, il est proposé un dispositif comportant des moyens de traction plaquant chaque feuille de verre du vitrage contre une paroi du moule pendant l'opération de moulage. De cette manière, l'écrasement du joint périphérique est supprimé.Techniques for depositing a peripheral frame on glazing insulators are known. European Patent EP-B-236 211 discloses glazing having two glass sheets separated by a dehydrated air space. The Peripheral seal is obtained by reactive injection in situ under high pressure. To achieve this glazing, it is proposed a device comprising means of pulling each glass sheet of the glazing against a wall of the mold during the molding operation. In this way, the crushing of the joint device is deleted.

Il est donc nécessaire d'adapter les techniques usuelles de dépôt lorsque celles-ci s'appliquent à des vitrages isolants ce qui augmente considérablement le coût du vitrage.It is therefore necessary to adapt the usual filing techniques when these apply to insulating glass which increases considerably the cost of glazing.

Par ailleurs, les vitrages isolants usuels apportent une isolation thermique jugée insatisfaisante pour certaines applications. Pour y remédier, il est connu de réaliser des vitrages comportant trois feuilles de verre et l'une des lames d'air pouvant être remplacée par un gaz tel que le Krypton. Ces vitrages ont des propriétés d'isolation nettement améliorées, mais ont une structure et un comportement mécanique tels qu'il n'est pas aisé de les utiliser, en particulier dans des montages du type vitrages accrochés. In addition, the usual insulating glazing units provide insulation thermal rating considered unsatisfactory for some applications. To remedy this, he is known to produce glazing comprising three sheets of glass and one air blades can be replaced by a gas such as Krypton. These glazings have significantly improved insulation properties but have a structure and mechanical behavior such that it is not easy for them to use, especially in montages type hung glazing.

L'invention a pour but la réalisation d'un vitrage isolant muni d'un cadre périphérique en matière plastique obviant aux différents inconvénients précédemment évoqués.The object of the invention is to provide an insulating glazing unit equipped with a frame plastic peripheral obviating the various disadvantages previously mentioned.

L'invention a ainsi pour objet un élément vitré à haut pouvoir isolant composé d'au moins deux feuilles de verre entre lesquelles un vide a été réalisé, séparées l'une de l'autre par des plots répartis sur toute la surface et réunies à leur périphérie par un joint de scellage minéral, cet élément vitré étant tel qu'au moins une partie de sa surface extérieure est recouverte par au moins un profilé surmoulé en matière plastique et de préférence au moins une partie de sa périphérie sur au moins une de ses faces.The invention thus relates to a glazed element with high insulating power composed of at least two sheets of glass between which a void has been realized, separated from each other by studs distributed over the entire surface and joined at their periphery by a mineral seal, this glazed element being such that at least part of its outer surface is covered by minus a molded plastic profile and preferably at least a portion of its periphery on at least one of its faces.

La demande de brevet EP-A-0 645 516 décrit un vitrage isolant composé de deux feuilles de verre séparées l'une de l'autre par un faible espace dans lequel le vide a été réalisé. Les feuilles de verre sont séparées l'une de l'autre par des plots répartis sur toute la surface et réunies à leurs périphéries par un joint de scellage minéral. La structure d'un tel vitrage présente l'avantage de lui conférer une rigidité et une tenue équivalentes à celles d'un vitrage monolithique d'épaisseur égale à la somme des épaisseurs des feuilles de verre, c'est-à-dire les feuilles de verre se comportent comme une seule dont l'épaisseur est la somme des deux. Ce type de vitrage présente avantageusement une faible épaisseur pour des propriétés d'isolation thermique nettement améliorées. De cette manière, l'élément vitré à haut pouvoir isolant, du fait de son comportement mécanique, ne nécessite pas de cadres porteurs contrairement aux vitrages isolants usuels. Ainsi, l'accrochage de tels éléments vitrés peut être réalisé par l'intermédiaire de profilés en matière plastique positionnés sur au moins une face dudit élément vitré en périphérie et cela sans risque de dégradation de l'élément vitré, en particulier du joint périphérique.Patent Application EP-A-0 645 516 describes an insulating glazing unit consisting of two glass sheets separated from each other by a weak space in which the void has been realized. The glass sheets are separated each other by studs distributed over the entire surface and joined to their peripheries by a mineral seal. The structure of such a glazing has the advantage of giving it rigidity and holding equivalent to those of a monolithic glazing of thickness equal to the sum of the thicknesses glass sheets, that is to say the glass sheets behave as only one whose thickness is the sum of the two. This type of glazing presents advantageously a small thickness for insulation properties thermal improvements. In this way, the high glazed element insulating power, because of its mechanical behavior, does not require supporting frames unlike conventional insulating glass units. So, the hanging such glazed elements can be realized by means of profiles in plastic material positioned on at least one face of said glazed element periphery and this without risk of degradation of the glazed element, in particular of the peripheral seal.

Selon des variantes de l'invention, le profilé en matière plastique recouvre également le chant et/ou les deux faces de l'élément vitré. De cette manière, la surface de contact entre l'élément vitré et le profilé en matière plastique est plus importante et le maintien de l'élément vitré peut être réalisé mécaniquement et/ou par collage. According to variants of the invention, the plastic profile also covers the edge and / or both sides of the glazed element. Of this way, the contact surface between the glazed element and the material profile plastic is more important and the maintenance of the glazed element can be achieved mechanically and / or by gluing.

Selon un autre mode de réalisation, le profilé en matière plastique recouvre la totalité de la périphérie de l'élément. Avantageusement, cette disposition du profilé en matière plastique facilite grandement toutes les opérations de manutention, de transport et de pose sur chantier. En effet, elle permet d'améliorer la protection du vitrage et plus particulièrement de ses arêtes avec notamment la possibilité d'empiler des vitrages les uns sur les autres sans devoir interposer de cales, les surfaces vitrés n'étant pas en contact les unes avec les autres du fait de la surépaisseur des profilés.According to another embodiment, the plastic profile covers the entire periphery of the element. Advantageously, this layout of the plastic profile greatly facilitates all handling operations, transport and installation on site. Indeed, she improves the protection of the glazing and more particularly its edges with the possibility of stacking windows on each other others without having to interpose shims, the glazed surfaces not being contact with each other because of the extra thickness of the profiles.

A cet aspect protection s'ajoute un aspect esthétique, la partie extérieure du profilé en matière plastique masquant sa propre partie intérieure et le joint de scellage périphérique de l'élément vitré et pouvant soit être teintée, soit être peinte pour s'accorder à la structure porteuse sur laquelle l'élément vitré est destiné à être fixé.To this aspect protection is added an aesthetic aspect, the part outer profile of plastic masking its own inner part and the peripheral sealing seal of the glazed element and being able to be tinted, or be painted to match the supporting structure on which the glazed element is intended to be fixed.

Selon une variante de l'invention, le profilé surmoulé en matière plastique est un profilé obtenu par injection thermoplastique ou par injection réactive. La technique de surmoulage par injection d'un entourage sur le pourtour d'un vitrage monolithique ou feuilleté a été décrite dans de nombreux documents notamment dans les brevets EP-B-127 546 et EP-B-145 443. Les inventeurs ont su mettre en évidence que l'application de telles techniques de surmoulage par injection sur des éléments vitrés selon l'invention permet de réaliser des profilés en matière plastique sans risque de dégradation ou d'éclatement de l'élément vitré. La tenue mécanique de ces éléments vitrés étant équivalente à celle des éléments monolithiques, il est possible d'appliquer de fortes pressions sur les bords de l'élément vitré contrairement aux vitrages isolants usuels. Avantageusement, cette technique de surmoulage par injection est employé lorsque le profilé en matière plastique recouvre au moins une face et le chant de l'élément vitré.According to a variant of the invention, the overmolded plastic profile is a profile obtained by thermoplastic injection or by reactive injection. The technique of overmolding by injection of an entourage around the periphery of a monolithic or laminated glazing has been described in many documents especially in patents EP-B-127 546 and EP-B-145 443. The inventors have demonstrated that the application of such overmoulding techniques by injection on glazed elements according to the invention makes it possible to perform plastic profiles without the risk of degradation or bursting of the glazed element. The mechanical strength of these glazed elements being equivalent to that of monolithic elements, it is possible to apply strong pressures on the edges of the glazed element unlike the insulating glass conventional. Advantageously, this injection molding technique is used when the plastic profile covers at least one face and the song of the glazed element.

Selon une autre variante de l'invention, le profilé surmoulé en matière plastique est un profilé extrudé. On entend par profilé extrudé, tous types de profilé préfabriqués par extrusion pouvant être collés sur l'élément vitré ou extrudés directement sur l'élément vitré. La technique de dépôt par extrusion d'un cadre en élastomère sur un vitrage monolithique ou feuilleté a été décrite dans de nombreux documents notamment dans les brevets européens EP-B-121 481 et EP-B-524 092. Les inventeurs ont su mettre en évidence que l'emploi de telles techniques conventionnelles de dépôt par extrusion ne posent aucun problème avec l'élément vitré selon l'invention. Avantageusement, cette technique de dépôt par extrusion est utilisé lorsque le profilé en matière plastique recouvre une seule face de l'élément vitré.According to another variant of the invention, the overmolded plastic profile is an extruded profile. "Extruded profile" means all types of profile prefabricated by extrusion which can be glued to the glazed element or extruded directly on the glazed element. The extrusion deposition technique of a frame elastomer on monolithic or laminated glazing has been described in numerous documents, in particular in European patents EP-B-121 481 and EP-B-524 092. The inventors have shown that the use of such Conventional extrusion deposition techniques are not a problem with the glazed element according to the invention. Advantageously, this technique of extrusion deposit is used when the plastic profile covers only one side of the glazed element.

Dans tous les cas pour assurer une bonne adhérence du profilé en matière plastique sur le verre, on utilise avant le dépôt de la matière plastique un promoteur d'adhérence déposé à la périphérie de l'élément vitré.In any case to ensure a good adhesion of the profile in plastic material on the glass, it is used before the deposition of the plastic an adhesion promoter deposited at the periphery of the glazed element.

Selon une réalisation avantageuse de l'invention, le profilé en matière plastique présente, sensiblement dans le plan de l'élément vitré, une partie débordante constituant un élément d'un ensemble de fixation. De cette manière, l'élément vitré muni d'un tel profilé peut être facilement fixé à une structure porteuse, par exemple, par collage de ladite partie débordante sur la structure porteuse, par clouage à travers ladite partie débordante ou encore par tout autre moyen connu de l'homme du métier.According to an advantageous embodiment of the invention, the profile made of plastic, substantially in the plane of the glazed element, a part flange constituting an element of a fastener assembly. Of this way, the glazed element provided with such a profile can be easily attached to a bearing structure, for example, by bonding said overlying part to the supporting structure, by nailing through said overflowing part or by any other means known to those skilled in the art.

De manière avantageuse, ladite partie débordante du profilé en matière plastique peut constituer un moyen de centrage de l'élément vitré sur la structure porteuse, par exemple, lorsque celle-ci est constituée d'un ensemble d'alvéoles à l'intérieur desquelles l'élément vitré vient s'encastrer.Advantageously, said portion protruding from the section of material plastic may constitute a means of centering the glazed element on the carrier structure, for example, when it consists of a set of cells inside which the glazed element is embedded.

Selon une réalisation particulière de l'invention, la partie débordante dudit profilé en matière plastique comporte des zones en saillie telles que pattes, rebords, butées, participant à la mise en place, au calage et/ou à la fixation dudit élément vitré.According to a particular embodiment of the invention, the overflowing part said plastic profile has projecting areas such as legs, flanges, abutments, participating in the set-up, rigging and / or fixing said glazed element.

De préférence, le profilé en matière plastique présente une forme appropriée au type d'accrochage envisagé pour un type d'application concernée telle que, par exemple, une lèvre d'étanchéité au niveau de la surface supérieure de l'élément vitré et une patte d'accrochage au niveau de la partie débordante dudit profilé pour un montage de type en écaille pour la constitution de toiture. Dans cette réalisation particulière, la patte d'accrochage permet de positionner de manière régulière les éléments vitrés au niveau des liteaux de la charpente et la lèvre d'étanchéité vient alors en contact avec l'élément vitré supérieur qui chevauche partiellement ledit élément vitré afin de réaliser ainsi l'étanchéité de l'ensemble au niveau de ce chevauchement.Preferably, the plastic profile has a shape appropriate to the type of attachment envisaged for a type of application concerned such as, for example, a sealing lip at the level of the upper surface of the glazed element and a hooking tab at the level of the flanking portion of said profile for a flake-type mounting for the building roof. In this particular embodiment, the leg latching allows the glazed elements to be positioned level of the battens of the frame and the sealing lip then comes into contact with the upper glazed element which partially overlaps the said glazed element in order to thus achieve the sealing of the assembly at this level. overlap.

Selon un mode de réalisation préférée de l'invention, au moins un insert est noyé dans le profilé en matière plastique. La présence de tels inserts, par exemple en métal, permet la fixation de l'élément vitré à une structure porteuse, cette fixation pouvant être par exemple du type encliquetage ou de type vissage, ou permet la fixation des éléments vitrés entre eux.According to a preferred embodiment of the invention, at least one insert is embedded in the plastic profile. The presence of such inserts, by metal example, allows the attachment of the glazed element to a structure carrier, this fixing being able to be for example of the snap type or type screwing, or allows the attachment of glass elements together.

Selon une variante avantageuse de l'invention, les feuilles de verre de l'élément vitré subissent un traitement de trempe. Cette trempe permet de renforcer la résistance des feuilles de verre lors de la réalisation du vide, ainsi que la résistance globale de l'élément vitré dans ses diverses applications.According to an advantageous variant of the invention, the glass sheets of the glazed element undergo a quenching treatment. This quenching allows to reinforce the resistance of the glass sheets during the realization of the vacuum, as well as than the overall strength of the glazed element in its various applications.

D'autre part, au moins l'une des feuilles de verre comporte avantageusement une couche basse-émissive sur sa face interne, c'est-à-dire sur la face en contact avec les plots. Cette couche peut contribuer à la fonction d'isolation thermique.On the other hand, at least one of the glass sheets comprises advantageously a low-emissive layer on its internal face, that is to say on the face in contact with the pads. This layer can contribute to thermal insulation function.

L'invention a également pour objet l'utilisation de l'élément vitré prédéfini.The invention also relates to the use of the predefined glazed element.

Une première utilisation concerne la constitution de toitures, les éléments vitrés faisant office de tuiles ou panneaux de recouvrement.A first use concerns the constitution of roofs, the glazed elements serving as tiles or covering panels.

Selon un mode de réalisation préféré de l'invention, la constitution de toitures est réalisée par fixation desdits éléments vitrés par clouage, vissage ou agrafage au travers de la partie débordante desdits profilés en matière plastique.According to a preferred embodiment of the invention, the constitution of roofing is carried out by fixing said glazed elements by nailing, screwing or stapling through the projecting portion of said sections of material plastic.

Une seconde utilisation concerne la constitution de façades de bâtiment de grandes surfaces. Ce type d'application permet de réaliser des façades de bâtiment entièrement constituées d'éléments vitrés, les uns transparents jouant le rôle de vitrage-vision, les autres opaques, faisant en général fonction d'allèges. De telles façades présentent un minimum de discontinuité de surface vues de l'extérieur.A second use relates to the constitution of building facades large areas. This type of application makes it possible to produce facades of entirely made of glazed elements, some transparent playing the role of glazing-vision, the other opaque, generally acting spandrels. Such facades have a minimum of surface discontinuity views from the outside.

Une troisième utilisation concerne la constitution de portes ou de parois d'enceintes climatiques. Ce type d'application présente l'avantage de réaliser, pour une faible épaisseur de parois, une isolation thermique très élevée pour ce genre d'utilisation, isolation thermique qui ne peut être obtenue avec les vitrages isolants habituels ayant une épaisseur globale répondant aux critères d'encombrement et de visibilité.A third use relates to the constitution of doors or walls of climatic chambers. This type of application has the advantage of producing, for a small wall thickness, a very high thermal insulation for this kind of use, thermal insulation that can not be achieved with the conventional insulating glazing having an overall thickness meeting the criteria congestion and visibility.

Les caractéristiques avantageuses de l'invention apparaítront plus clairement dans la description détaillée ci-après d'exemples de réalisation non limitatifs illustrés par les figures qui représentent :

  • Figure 1 : une vue de dessus d'un élément vitré à haut pouvoir isolant muni à ces quatre coins d'un profilé en matière plastique.
  • Figure 2 : une vue de dessus d'un élément vitré à haut pouvoir isolant muni sur la totalité de sa périphérie d'un profilé en matière plastique.
  • Figure 3: une coupe transversale d'un élément vitré selon l'invention.
  • Figure 4 : une coupe transversale d'un second mode de réalisation d'un élément vitré selon l'invention.
  • Figure 5 : une coupe transversale d'un troisième mode de réalisation d'un élément vitré selon l'invention.
  • Figure 6 : une coupe transversale d'un quatrième mode de réalisation d'un élément vitré selon l'invention.
  • Figure 7 : une coupe transversale d'un cinquième mode de réalisation d'un élément vitré selon l'invention.
    • The advantageous features of the invention will appear more clearly in the detailed description below of non-limiting exemplary embodiments illustrated by the figures which represent:
  • Figure 1: a top view of a glazed element with high insulating power provided at these four corners of a plastic profile.
  • Figure 2 is a top view of a glazed element with high insulating power provided over its entire periphery with a plastic profile.
  • Figure 3: a cross section of a glazed element according to the invention.
  • Figure 4: a cross section of a second embodiment of a glazed element according to the invention.
  • Figure 5: a cross section of a third embodiment of a glazed element according to the invention.
  • Figure 6: a cross section of a fourth embodiment of a glazed element according to the invention.
  • Figure 7: a cross section of a fifth embodiment of a glazed element according to the invention.

    • On précise que les proportions entre les divers éléments représentés ne sont pas rigoureusement respectées dans ces figures afin d'en faciliter la lecture.It is specified that the proportions between the various elements represented are not rigorously respected in these figures in order to facilitate the reading.

    L'élément vitré 1 à haut pouvoir isolant est constitué de deux feuilles de verre 2 et 3 entre lesquelles un vide 4 a été réalisé, séparées l'une de l'autre par des plots 5 répartis sur toute la surface et réunies à leur périphérie par un joint de scellage minéral 6.The glazed element 1 with high insulating power consists of two sheets of glass 2 and 3 between which a vacuum 4 has been made, separated from one another by studs 5 distributed over the entire surface and joined at their periphery by a mineral seal 6.

    Selon cette représentation, la feuille de verre 2 est revêtue sur sa face interne d'une couche basse émissive 7. Cette couche est par exemple du type de celle décrite dans le brevet français n° 2 701 474 déposé au nom de SAINT-GOBAIN VITRAGE INTERNATIONAL. Les plots 5 ont une épaisseur de 0,2 millimètre et un diamètre de 0,4 millimètre. Ils sont répartis sur toute la surface des feuilles de verre et sont distants les uns des autres de 30 millimètres. According to this representation, the glass sheet 2 is coated on its face internal of a low emissive layer 7. This layer is for example of the type of that described in French Patent No. 2,701,474 filed in the name of SAINT-GOBAIN GLAZING INTERNATIONAL. The pads 5 have a thickness of 0.2 millimeter and a diameter of 0.4 millimeter. They are spread all over the surface of the glass sheets and are distant from each other by 30 millimeters.

    Les plots 5 sont déposés sur une des feuilles de verre 2 et 3 après que celles-ci aient été revêtues d'une couche basse-émissive 7, par exemple par pyrolyse, puis trempées. Après dépôt d'un cordon de fritte de verre à la périphérie de la deuxième feuille de verre, les deux feuilles de verre 2 et 3 sont assemblées puis on effectue un traitement thermique de l'ensemble pour réaliser la soudure des deux feuilles de verre 2 et 3, le joint de scellage 6 réalisant alors l'étanchéité de l'ensemble. On réalise alors le vide entre les deux feuilles de verre 2 et 3 par tous moyens connus de l'homme de métier, tels que, par exemple, par le procédé décrit dans la demande de brevet française déposée au nom de SAINT-GOBAIN VITRAGE sous le n° 96/09 632. L'élément vitré est alors prêt à être équipé d'un profilé en matière plastique.The studs 5 are deposited on one of the glass sheets 2 and 3 after these have been coated with a low-emissive layer 7, for example by pyrolysis, then soaked. After depositing a string of glass frit at the periphery of the second glass sheet, the two glass sheets 2 and 3 are assembled and then heat treatment of the assembly for weld the two glass sheets 2 and 3, the sealing gasket 6 thus realizing the tightness of the whole. We then realize the gap between two sheets of glass 2 and 3 by any means known to those skilled in the art, such as, for example, by the process described in the patent application French translation in the name of SAINT-GOBAIN VITRAGE under n ° 96/09 632. The glazed element is then ready to be equipped with a plastic profile.

    La figure 1 représente l'élément vitré 1 dont les quatre coins sont recouverts d'un profilé 8 en matière plastique. Les profilés 8 permettent l'accrochage mécanique de l'ensemble à une structure porteuse, et cela par des points d'accrochage 9. D'autres emplacements des profilés 8 en matière plastique, c'est-à-dire autres que situés dans les coins, sont également possibles.FIG. 1 represents the glazed element 1 whose four corners are covered with a section 8 made of plastic. The profiles 8 allow the mechanical attachment of the assembly to a supporting structure, and this by attachment points 9. Other locations of the profiles 8 in matter plastic, that is to say other than located in the corners, are also possible.

    La figure 2 représente l'élément vitré 1 dont le bord est illustré par une ligne en pointillé 20 et dont toute la périphérie est recouverte d'un profilé 10 en matière plastique.FIG. 2 represents the glazed element 1 whose edge is illustrated by a dotted line 20 and whose entire periphery is covered with a profile 10 made of plastic

    De même, ce profilé 10 permet l'accrochage mécanique de l'ensemble à une structure porteuse, et cela par des points d'accrochage 11. Des points d'accrochage autres que situés dans les coins sont également possibles. Le nombre de points d'accrochage sera déterminé en fonction de la taille de l'élément 1, du type d'application envisagée et de l'esthétisme recherché.Similarly, this profile 10 allows the mechanical attachment of the assembly to a bearing structure, and this by snap points 11. Points other than in the corners are also possible. The number of snap points will be determined based on the size of the element 1, the type of application envisaged and the desired aesthetics.

    Les profilés 8 et 10 seront de préférence obtenus soit par injection thermoplastique ou par injection réactive, soit par extrusion.The profiles 8 and 10 will preferably be obtained either by injection thermoplastic or by reactive injection, or by extrusion.

    Les techniques de dépôt par injection ont été décrites dans de nombreux documents. Elles consistent, d'une manière générale, à mettre en place sur le bord de l'élément, un moule formé de deux moitiés de moule, qui définit la cavité de moulage. Après la fermeture du moule, la cavité de moulage est remplie de matière plastique. Lorsque la matière plastique présente à l'intérieure du moule forme un profilé ne se déformant plus, le moule est ouvert et l'élément ainsi encadré est retiré du moule.Injection deposition techniques have been described in many documents. They consist, in a general way, in setting up on the edge of the element, a mold formed of two mold halves, which defines the molding cavity. After closing the mold, the molding cavity is filled with plastic material. When the plastic material presents the inside of the mold forms a profile no longer deforming, the mold is open and the element thus framed is removed from the mold.

    Dans la technique de dépôt par injection réactive, la matière plastique est un mélange de réaction qui s'expanse dans la cavité et forme un corps moulé poreux avec une enveloppe assurant l'étanchéité.In the reactive injection deposition technique, the plastics material is a reaction mixture that expands into the cavity and forms a body porous mold with an envelope sealing.

    Dans la technique de dépôt par injection thermoplastique, la cavité du moule est remplie de matière thermoplastique fondue sous une pression relativement élevée.In the thermoplastic injection deposition technique, the cavity of the mold is filled with thermoplastic material melted under pressure relatively high.

    La technique de dépôt par extrusion a été également décrite dans de nombreux documents tels que par exemple dans le brevet européen EP-B-524 092. D'une manière générale, elle consiste à utiliser un robot qui déplace une buse d'extrusion à la périphérie de l'élément afin d'y déposer un profilé en matière plastique selon une trajectoire déterminée continue ou non, la buse d'extrusion étant alimentée en matière plastique à partir d'une extrudeuse par l'intermédiaire d'un tuyau à pression.The extrusion deposition technique has also been described in many documents such as for example in the European patent EP-B-524 092. In general, it consists in using a robot that moves a extrusion nozzle at the periphery of the element in order to deposit a profile in plastic material according to a determined continuous trajectory or not, the nozzle extrusion being fed with plastic from an extruder for through a pressure hose.

    On préférera la technique de dépôt par extrusion lorsque le profilé en matière plastique ne recouvrira qu'une seule face, cette technique étant plus adaptée au dépôt de surface. De plus, cette technique ne nécessite pas la réalisation de moules adaptés à chaque type d'élément.The extrusion deposition technique will be preferred when the profile is plastic material will only cover one face, this technique being more adapted to the surface deposit. Moreover, this technique does not require the production of molds adapted to each type of element.

    Quel que soit la technique utilisée, pour assurer une bonne adhérence du profilé en matière plastique sur le verre, on utilise avantageusement, avant le dépôt de la matière plastique, un promoteur d'adhérence déposé à la périphérie de l'élément vitré.Whatever the technique used, to ensure good adhesion of the plastic profile on the glass, it is advantageous to use, before the deposition of the plastic material, an adhesion promoter deposited on the periphery of the glazed element.

    Le choix de la composition de primage comme promoteur d'adhérence est fonction de la nature du profilé. Cette composition est, par exemple, du type de celle décrite dans les brevets européens EP 0 574 315 et EP 0 603 072, c'est-à-dire à base d'au moins un silane et d'une composition susceptible de former une couche à groupements hydroxyles libres. Ce type de composition donne de bons résultats pour les profilés en matière thermoplastique tels que ceux, par exemple, en polyuréthane.The choice of the priming composition as adhesion promoter depends on the nature of the profile. This composition is, for example, type of that described in European patents EP 0 574 315 and EP 0 603 072, that is to say based on at least one silane and a composition capable of to form a layer with free hydroxyl groups. This kind of composition gives good results for the profiles in thermoplastic such as those, for example, polyurethane.

    La figure 3 représente un premier mode de réalisation de l'élément vitré selon l'invention. Selon cette représentation, l'élément vitré 1 est recouvert par un profilé 12 en matière plastique sur une seule de ses faces, le profilé 12 étant positionné à la périphérie de la feuille de verre 3. Avantageusement, ce profilé 12 présente dans son épaisseur un trou 13 qui permet l'insertion d'un élément de fixation tel que, par exemple, une vis-écrou, cet élément de fixation permettant de réaliser l'accrochage de l'élément vitré à une structure porteuse par l'intermédiaire du profilé 12.FIG. 3 represents a first embodiment of the glazed element according to the invention. According to this representation, the glazed element 1 is covered by a profile 12 made of plastic material on one of its faces, the profile 12 being positioned on the periphery of the glass sheet 3. Advantageously, this section 12 has in its thickness a hole 13 which allows the insertion of a fastening element such as, for example, a screw-nut, this element of fastening for fastening the glazed element to a structure carrier through the profile 12.

    La figure 4 représente un deuxième mode de réalisation de l'élément vitré selon l'invention. Selon cette représentation, l'élément vitré 1 est recouvert par un profilé 14 en matière plastique sur ses deux faces et sur son chant, c'est-à-dire le profilé 14 est positionné sur l'ensemble du bord de l'élément vitré 1. Avantageusement, ce profilé 14 présente une surépaisseur de matière au niveau du chant de l'élément vitré, cette partie du profilé étant percée afin qu'un élément de fixation tel que, par exemple, une vis-écrou, puisse y être introduit pour l'accrochage à une structure porteuse.FIG. 4 represents a second embodiment of the element glazed according to the invention. According to this representation, the glazed element 1 is covered by a section 14 of plastic material on both sides and on its edge, that is to say the profile 14 is positioned on the entire edge of the glazed element 1. Advantageously, this profile 14 has an extra thickness of material at the level of the edge of the glazed element, this part of the profile being pierced so that a fastening element such as, for example, a screw-nut, can be introduced for attachment to a supporting structure.

    La figure 5 représente un troisième mode de réalisation de l'élément vitré selon l'invention. Selon cette représentation, l'élément vitré 1 est recouvert par un profilé 16 en matière plastique sur l'ensemble du bord de l'élément vitré 1. De manière avantageuse, ce profilé 16 présente un organe femelle 17 d'un système d'encliquetage, cet organe 17 venant alors coopérer avec l'organe mâle correspondant faisant partie intégrante de la structure porteuse. L'organe 17 peut être également l'organe mâle d'un système d'encliquetage coopérant avec l'organe femelle correspondant faisant partie intégrante de la structure porteuse.FIG. 5 represents a third embodiment of the element glazed according to the invention. According to this representation, the glazed element 1 is covered by a plastic profile 16 on the entire edge of The glazed element 1. Advantageously, this section 16 has an element female 17 of a latching system, this member 17 then cooperating with the corresponding male organ forming an integral part of the structure carrier. The member 17 can also be the male organ of a system latching cooperating with the corresponding female member forming part integral of the supporting structure.

    La figure 6 représente un quatrième mode de réalisation de l'élément vitré selon l'invention. Selon cette représentation, l'élément vitré 1 est recouvert par un profilé 18 en matière plastique sur l'ensemble du bord de l'élément vitré 1. Le profilé 18 est muni d'un insert métallique 19 dont une partie est noyée dans la matière plastique, cet insert 19 coopérant avec un moyen de fixation afin de permettre l'accrochage de l'élément vitré 1 à une structure porteuse. L'insert métallique 19 peut être, par exemple, une vis dont seule la tête est noyé dans le profilé 18.FIG. 6 represents a fourth embodiment of the element glazed according to the invention. According to this representation, the glazed element 1 is covered by a plastic profile 18 on the entire edge of the glazed element 1. The profile 18 is provided with a metal insert 19, one of which part is embedded in the plastic material, this insert 19 cooperating with a fastening means in order to allow the attachment of the glazed element 1 to a supporting structure. The metal insert 19 may be, for example, a screw of which only the head is embedded in the profile 18.

    La figure 7 représente un cinquième mode de réalisation de l'élément vitré selon l'invention. Selon cette représentation, l'élément vitré 1 est recouvert par un profilé 21 en matière plastique sur l'ensemble de son bord. Avantageusement, ce profilé 21 présente, sensiblement dans le plan de l'élément vitré 1, une partie débordante 22. Cette partie débordante 22 présente à son extrémité un appendice 23 en L que nous appellerons patte d'accrochage et le profilé 21 au niveau du recouvrement du bord de la feuille de verre 2 présente une lèvre 24 que nous appellerons lèvre d'étanchéité. Ce type de profilé 21 est particulièrement adapté pour la constitution de tuiles montées en écaille, la pâte d'accrochage venant en butée sur un liteau d'une charpente et le profilé 21 étant alors cloué au liteau. La lèvre 24 permet de réaliser l'étanchéité entre deux éléments vitrés ainsi accrochés au niveau de leur chevauchement horizontal.FIG. 7 represents a fifth embodiment of the element glazed according to the invention. According to this representation, the glazed element 1 is covered by a section 21 of plastic material on its entire edge. Advantageously, this section 21 has substantially in the plane of the glazed element 1, an overflowing portion 22. This overflowing portion 22 has at its end an appendage 23 in L that we will call leg and the profile 21 at the edge of the sheet overlap glass 2 has a lip 24 which we will call sealing lip. This type of profile 21 is particularly suitable for the constitution of tiles mounted in shell, the bonding paste abutting on a batten of a frame and the section 21 is then nailed to the bed. The lip 24 makes it possible to sealing between two glazed elements thus hung at the level of their horizontal overlap.

    L'invention ne se limite pas à ces types de réalisation et doit être interpretée de façon non limitative dans le cadre défini par les revendications.The invention is not limited to these types of embodiments and must be interpreted in a non-limiting way in the frame defined by the claims.

    Claims (15)

    1. Glazed element (1) with high insulating capacity composed of at least two sheets of glass (2, 3) between which a vacuum (4) has been produced, separated from one another by studs (5) distributed over the entire surface and joined at their periphery by a mineral sealing joint (6), at least some of the external surface of the said glazed element (1) being covered by at least one overmoulded profile (8, 10, 12, 14, 16, 18, 21) made from plastics material.
    2. Glazed,element according to Claim 1, characterised in that at least part of the periphery of the said glazed element (1) is covered by at least one plastic profile (8, 10, 12, 14, 16, 18, 21) on at least one of its faces.
    3. Glazed element according to Claim 1 or 2, characterised in that the said plastic profile (8, 10, 14, 16, 18, 21) covers the edge of the said glazed element (1).
    4. Glazed element according to Claim 2 or 3, characterised in that the said plastic profile (8, 10, 14, 16, 18, 21) covers both faces of the said glazed element (1).
    5. Glazed element according to one of the preceding claims, characterised in that the said overmoulded plastic profile (8, 10, 12, 14, 16, 18, 21) is a profile obtained by thermoplastic injection or by reactive injection.
    6. Glazed element according to one of Claims 1 to 4, characterised in that the said overmoulded plastic profile (8, 10, 12, 14, 16, 18, 21) is an extruded profile.
    7. Glazed element according to one of Claims 1 to 6, characterised in that the said plastic profile (8, 10, 21) has, substantially in the plane of the said glazed element (1), a protruding part (22) constituting an element of a fixing assembly.
    8. Glazed element according to Claim 7, characterised in that the protruding part (22) of the said plastic profile (8, 10, 21) has projecting areas (25) such as lugs, rims or stops participating in the positioning, wedging and/or fixing of the said glazed element (1).
    9. Glazed element according to one of the preceding claims, characterised in that at least one insert (19) cooperating with the fixing means is embedded in the said plastic profile (8, 10, 18).
    10. Glazed element according to one of the preceding claims, characterised in that the said glazed element (1) consists of toughened glass sheets (2, 3).
    11. Glazed element according to one of the preceding claims, characterised in that at least one of the glass sheets (2, 3) has a low emissive layer (7) on its facing contact with the studs (5).
    12. Use of the glazed element according to one of the preceding claims for forming roofs.
    13. Use of the glazed element according to Claim 12, characterised in that the formation of roofs is carried out by fixing the said glazed element by nailing, screwing or stapling through the protruding part of the said plastic profiles.
    14. Use of the glazed element according to one of Claims 1 to 11, for forming building façades.
    15. Use of the glazed element according to one of Claims 1 to 11, for forming climatic chamber doors or walls.
    EP98400872A 1997-07-07 1998-04-09 Glazing element with high insulating properties provided with a plastic section member Expired - Lifetime EP0890699B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9708585A FR2765614B3 (en) 1997-07-07 1997-07-07 HIGH-INSULATION GLASS ELEMENT PROVIDED WITH A PLASTIC PROFILE
    FR9708585 1997-07-07

    Publications (3)

    Publication Number Publication Date
    EP0890699A2 EP0890699A2 (en) 1999-01-13
    EP0890699A3 EP0890699A3 (en) 1999-11-10
    EP0890699B1 true EP0890699B1 (en) 2005-03-02

    Family

    ID=9508943

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98400872A Expired - Lifetime EP0890699B1 (en) 1997-07-07 1998-04-09 Glazing element with high insulating properties provided with a plastic section member

    Country Status (11)

    Country Link
    US (1) US6216417B1 (en)
    EP (1) EP0890699B1 (en)
    JP (2) JPH1122327A (en)
    AT (1) ATE290150T1 (en)
    CA (1) CA2234297C (en)
    DE (1) DE69829133T2 (en)
    DK (1) DK0890699T3 (en)
    ES (1) ES2236876T3 (en)
    FR (1) FR2765614B3 (en)
    PL (1) PL194640B1 (en)
    PT (1) PT890699E (en)

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    Also Published As

    Publication number Publication date
    US6216417B1 (en) 2001-04-17
    PL194640B1 (en) 2007-06-29
    CA2234297A1 (en) 1999-01-07
    DK0890699T3 (en) 2005-06-06
    JPH1122327A (en) 1999-01-26
    ATE290150T1 (en) 2005-03-15
    PT890699E (en) 2005-05-31
    FR2765614B3 (en) 1999-08-06
    CA2234297C (en) 2006-10-17
    JP4546575B2 (en) 2010-09-15
    DE69829133D1 (en) 2005-04-07
    FR2765614A1 (en) 1999-01-08
    DE69829133T2 (en) 2006-02-09
    EP0890699A2 (en) 1999-01-13
    JP2010031644A (en) 2010-02-12
    PL325745A1 (en) 1999-01-18
    ES2236876T3 (en) 2005-07-16
    EP0890699A3 (en) 1999-11-10

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