Classifications

• • 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
  • E06B3/66309—Section members positioned at the edges of the glazing unit
  • E06B3/66333—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials
• • 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
  • E06B3/66309—Section members positioned at the edges of the glazing unit
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
  • A47B67/00—Chests; Dressing-tables; Medicine cabinets or the like; Cabinets characterised by the arrangement of drawers
  • A47B67/005—Mirror cabinets; Dressing-tables
• • 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
  • A47F3/001—Devices for lighting, humidifying, heating, ventilation
• • 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
  • A47F3/005—Show cases or show cabinets with glass panels
• • 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
  • A47F3/043—Doors, covers
• • 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
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47G—HOUSEHOLD OR TABLE EQUIPMENT
  • A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
• • 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
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/001—General methods for coating; Devices therefor
  • C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
• • 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
• • 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
  • E06B3/02—Wings made completely of glass
• • 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
  • E06B7/00—Special arrangements or measures in connection with doors or windows
  • E06B7/12—Measures preventing the formation of condensed water
• • 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
  • E06B7/00—Special arrangements or measures in connection with doors or windows
  • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
  • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
  • F25D23/00—General constructional features
  • F25D23/02—Doors; Covers
  • F25D23/028—Details
• • 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
  • E06B3/66309—Section members positioned at the edges of the glazing unit
  • E06B2003/6638—Section members positioned at the edges of the glazing unit with coatings
• • 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
  • E06B3/673—Assembling the units
• • 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
  • E06B3/673—Assembling the units
  • E06B3/67304—Preparing rigid spacer members before assembly
• • 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
  • E06B3/673—Assembling the units
  • E06B3/67326—Assembling spacer elements with the panes
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
  • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
  • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
  • F25D2400/36—Visual displays

Definitions

• the invention relates to an insulating glazing unit intended in particular for an opening of a chamber / climatic piece of furniture, in particular refrigerated, comprising at least two sheets of glass spaced by at least one air or gas layer with the aid of at least one a spacer arranged at the periphery of the glass sheets.
• the invention also relates to the method of manufacturing such a glazing.
• the invention will be more particularly described with regard to a refrigerated furniture / showcase application, without being limited thereto.
• the glazing of the invention can also be used in all applications, in particular for building, exterior glazing, interior glazing, partition, etc.
• the glazing can be flat or curved.
• a climatic chamber is more particularly intended to constitute a positive cold piece of furniture or a negative cold piece of furniture in which are exposed refrigerated or respectively frozen products, such as food products or beverages, or any other products requiring preservation in the cold, for example pharmaceuticals or flowers.
• a double or triple glazing is framed on its entire periphery by means of a frame made of profiles, usually anodized aluminum for reasons of aesthetics, resistance to aging and ease of manufacture.
• the frame is usually stuck directly on the periphery and on the outer faces of the glazing; he participates in the rigidity of the structure and makes it possible to hide in view the intermediate means (spacers) arranged at the periphery of the glazing and separating the glass sheets.
• spacers intermediate means
• these transparent spacers can not contain molecular sieve (desiccant or so-called desiccant) because it would be visible.
• desiccant is however useful for absorbing the moisture trapped in the gas strip when closing the glass sheets with the spacer.
• the invention therefore aims to provide an insulating glazing including climatic furniture that obviates the various aforementioned drawbacks, which is simple to implement without increasing the time and cost of manufacture, using in particular a traditional spacer allowing nevertheless to gain even more clear view of the glazing, while ensuring the desired sealing.
• the insulating glazing intended in particular for an opening of a chamber / climatic unit, in particular refrigerated, comprises at least two glass sheets (substantially parallel) spaced apart by at least one air or gas barrier forming a cavity internal to the glazing, a spacer arranged at the periphery of the glass sheets and now spaced and parallel the two glass sheets, and fixing means by bonding fixing the spacer to each glass sheet by two of its opposite faces, said faces for fixing, and is characterized in that the spacer comprises at least one side of the glazing, a reflective surface with a mirror function on its internal face facing the internal cavity of the glazing (that is to say the face in contact with the gas or air blade).
• the reflecting surface with mirror function provides a trompe l'oeil effect for an observer disposed facing, or especially arranged angularly relative to, the facade of the glazing, so that it has the visual impression that the spacer is invisible, providing in particular at the junction of two windows of the invention an illusion of transparency and continuity of the objects arranged behind the glazing.
• mirror function means that the light is sufficiently reflected so that the edge of the glazing appears transparent, the spacer is invisible and that placing an object behind the glazing and outward beyond its edge, the object remains visible from one end to the other without discontinuity facing the edge of the glazing.
• the spacer is hollow and has a closed contour section.
• the section is considered in a plane transverse to the longitudinal direction of the spacer.
• desiccant is housed in the hollow interior of the spacer.
• the spacer has its reflecting mirror-reflecting surface at least on its internal face facing the internal cavity of the glazing, which is porous or has orifices, to allow the moisture in the gas blade of be absorbed by desiccant housed in the spacer, the spacer having a closed contour section.
• the spacer with regard to its interlayer function is a traditional spacer. It may be based on plastic or composite material, and / or a metallic material such as stainless steel, steel or aluminum, or even glass. It can be transparent or not.
• An example of a spacer has a base body made of a thermoplastic material, of the styrene acrylonitrile (SAN) or polypropylene type, and reinforcing fibers, of glass type, which are mixed with the thermoplastic material, as well as a sheet sealing the gas and water vapor bonded to the face intended to be the outer face of the spacer in the mounted position in the glazing (disposed opposite the gas blade).
• the basic body also houses a desiccant.
• Such a spacer based on SAN and fiberglass, is known for example under the trade name SW ISS PACER "of the company SAINT-GOBAIN GLASS when the base body sealing foil is made of aluminum, and under the name SWiSSPACER V e when the base body sealing foil is made of stainless steel.
• SW ISS PACER of the company SAINT-GOBAIN GLASS when the base body sealing foil is made of aluminum
• SWiSSPACER V e when the base body sealing foil is made of stainless steel.
• the principle of the invention allows to use a traditional spacer with only step in the manufacture of the glazing to provide on the inner face of the spacer, a reflective surface with mirror function. Therefore, only reflective coating with a mirror function, which represents a very slight or nonexistent impact on the usual manufacturing method of an insulating glazing, is to be reported on the inside of a traditional spacer.
• the term "report" means the action of integrating during the manufacture of the spacer, or of depositing after manufacture by any means according to the nature of the
• the traditional spacer has desiccant ⁇ housed in the hollow body of the spacer), ensuring the absorption of moisture within the gas blade.
• the coating associated with the spacer is also micro-perforated to ensure the gas exchange between the cavity of the glazing unit and the desiccant housed in the spacer.
• the spacer comprises a reflective coating with a mirror function which constitutes the reflecting surface with a mirror function, said coating being attached during the assembly of the spacer to the glazing, or in connection / integrated during the manufacture (usually by extrusion) in the plant of the spacer.
• the reflecting surface with a mirror function is obtained by the material as such of constituting the spacer.
• the spacer is metallic and has at least on one of its faces a reflective surface with a mirror function.
• the spacer is made of plastic material, the plastic material incorporating metallic elements with reflective surface.
• the reflecting surface mirror function is associated with the spacer on at least two sides of the glazing, the sides intended to be vertical in position of use of the glazing.
• the spacer of the invention is associated at least with the sides which are transverse to the front of the furniture.
• the spacer of the invention is associated with the sides intended to be contiguous to other identical sides of glazing joined together.
• the reflective surface with a mirror function can be associated with the spacer over the entire periphery of the glazing, in particular if the spacer is delivered to manufacture the glazing by integrating said coating.
• the material of the mirror function reflecting surface is made of a material having on the one hand a light reflection (RL) of at least 75%, preferably at least 80%, and on the other hand a gloss at least 100 BU at an illumination angle of 85 °.
• RL light reflection
• the glazing of the invention is therefore such that the material of the mirror-reflecting surface of the spacer is selected to have a light reflection (RL) of at least 75%, preferably at least 80%, and on the other hand a gloss of at least 100 UB at an illumination angle of 85 °, in particular the material having a light reflection RL of 81% and a brightness of 104 UB at an illumination angle of 85 ° or a light reflection RL of 84% and a brightness of 106 UB at an illumination angle of 85 °.
• RL light reflection
• the inventors have surprisingly demonstrated that by selecting a material with the above characteristics and associating it with the at least internal face of the spacer opposite the cavity of the glazing, the spacer becomes transparent for a user looking at the glazing slightly in perspective.
• the reflecting mirror-function coating which is incorporated into the spacer, is made of aluminum, or silver or other metallic coating, while having the torque, RL ⁇ 75%, preferably L ⁇ 80. %, and a brightness ⁇ 100 (85 °).
• spacer H65 marketed by the company ALU PRO are not suitable because having a couple does not meet the criteria; indeed, this spacer certainly has a brightness of 115 (85 °) but a reflection of 72% which is insufficient, the resulting spacer does not appear in any way transparent in use in an insulating glazing.
• the mirrored reflective coating is an adhesive film adhered to the spacer, particularly to the entire inner face of the spacer.
• the reflective coating is a thin layer deposited by any known technique.
• the reflective mirror function coating is porous or has orifices, like the spacer, to allow moisture in the gas strip to be absorbed by desiccant housed in the spacer,
• the insulating glazing unit comprises at least two substantially parallel glass sheets, spaced apart by at least one air or gas blade forming a cavity internal to the glazing unit, a spacer arranged at the periphery of the sheets. of glass and now spaced apart the two sheets of glass, and gluing fixing means fixing the spacer to each glass sheet by two of its opposite faces, said attachment faces, the spacer comprising at least one side of the glazing a reflecting surface having a mirror function on its internal face opposite the internal cavity of the glazing unit, its reflecting surface having a mirror function being obtained by the material as such constituting the spacer, said material at the level of the reflecting surface being porous or having orifices, to allow moisture in the gas strip to be absorbed by desiccant housed in the spacer (preferably , the spacer having a closed contour section).
• the glazing comprises two sealing barriers, a first barrier against water, or gas and water vapor, and constituted by the fixing means by gluing the spacer, and a second sealing barrier completing the first, that is to say that if the first barrier is waterproof, the second barrier is sealed to gases and water vapor, and vice versa.
• the adhesive fixing means form a gas-tight barrier and water vapor such as butyl
• the glazing comprises a sealing sealant, such as polyurethane or polysulfide or silicone, arranged between the glass sheets and on the outer face of the spacer opposite the gas blade.
• the sealant has a reduced thickness, such as less than 3.5 mm, preferably at most 2 mm to minimize the visual impact of the mastic through the glazing, preferably at least 1 mm to guarantee watertightness.
• the spacer has its internal face facing the cavity and its opposite outer face in contact with said second sealing barrier, each provided with a reflective surface with a mirror function, especially when the second sealing barrier is transparent.
• the term "transparent spacer" allows at least to see colors, shapes through, without necessarily being able to read a text behind the transparent spacer.
• the glazing is a double glazing or triple glazing.
• the glazing may advantageously be provided on its glass sheets with one or more low-emissive coating (s) and / or an anti-fog or anti-fog layer, thus avoiding usual heating means, which contributes to energy saving.
• s low-emissive coating
• anti-fog anti-fog layer
• the invention relates firstly to an opening comprising a glazing unit according to the invention, and secondly to a climatic cabinet, of the refrigerated cabinet type, comprising at least one opening or a glazing unit of the invention, or a plurality of glazing joined to each other, the spacers provided with their reflecting surface mirror function being arranged at least on the sides abutting between them glazing.
• the invention also relates to the use in the building of one or more glazings of the invention, in particular as external glazing, or interior glazing or partition, in particular in a use of several glazings, glazing being contiguous to each other and the spacers provided with their reflective surface mirror function being arranged at least on the sides abutting between them glazing.
• the invention also relates to a method of manufacturing an insulating glazing unit comprising at least two glass sheets (substantially parallel) spaced apart by at least one air or gas blade forming a cavity internal to the glazing, a spacer arranged at the periphery of the glass sheets and now spaced apart and parallel the two glass sheets, and gluing fixing means fixing the spacer to each glass sheet by two of its opposite faces, said attachment faces, and characterized in that the spacer is selected to comprise at least one side of the glazing, a reflective surface with mirror function on its inner face facing the cavity, in particular selected so that the reflecting surface is made of a material having on the one hand a light reflection (RL) of at least 75%, preferably of at least 80%, and on the other hand a brightness of at least 100 BU at an illumination angle of 85 °.
• RL light reflection
• FIG. 1 illustrates a schematic perspective view of a facade of a refrigerated cabinet incorporating a plurality of glazing of the invention
• FIG. 2 is a partial sectional view of an insulating glazing unit with the spacer of the invention
• FIG. 3 is a variant of the insulating glazing of the invention, the sealing means of the spacer being transparent.
• the climate cabinet 1 schematically illustrated in Figure 1 comprises a plurality of openings 2 each comprising an insulating glazing unit 3 according to the invention.
• the piece of furniture is for example a cold refrigerated furniture positive intended to be installed along a store aisle.
• the opening of the invention comprising the insulating glass of the invention does not need to understand vertical uprights frame and provided with thick joints at the junction of two openings / glazing abutments.
• the glazing of the invention thus allows the transparency of its vertical edges to provide a continuous transparent surface when the windows are joined by their edge.
• Each insulating glazing unit comprises at least two glass sheets held parallel spaced apart by a frame of which at least the vertical opposite parts in the mounted position of the glazing are made with the spacer of the invention.
• the facade of the glazing and therefore of the furniture thus presents an illusion of purified appearance of any structural framework and continuity of the objects arranged behind the glass wall and behind the joining line of two adjoining openings.
• FIG. 2 illustrates a partial perspective view of the insulating glazing unit 3 showing the vertical portion 4 of the spacer frame of the glazing unit.
• the insulating glazing shown is double glazed with two sheets of glass. In the case of triple glazing with three sheets of glass, the glazing would comprise two parts 4 with the spacer of the invention.
• the glazing 3 comprises two sheets of glass 30 and 31 parallel and spaced apart by means of an intermediate element or spacer 5.
• the glass sheets 30 and 31 are preferably tempered glass.
• the thickness of each of the glass sheets is between 2 and 5 mm, and is preferably 3 or 4 mm in order to minimize the overall weight of the glazing and to optimize the light transmission.
• the glass sheets are separated from each other by the spacer 5 to form between them a volume forming a gas blade 32.
• the gas strip 32 has a thickness of at least 4 mm and is adapted according to the desired performance of the thermal transfer coefficient U, without however being greater than 16 mm, or even 20 mm.
• the gas strip is made of air or preferably, to reinforce the insulation level of the glazing, a rare gas, chosen from argon, krypton, xenon, or a mixture of these different gases. , according to a filling rate of at least 85%. For a still improved U coefficient, it will be preferred a filling with at least 92% krypton or xenon.
• the spacer 5 is according to the invention is a traditional spacer for insulating glazing with regard to its function spacer.
• the spacer 5 is of generally parallelepipedal shape and comprises four faces, a so-called internal face 50 facing the gas strip, an opposite outer face 51 facing the outside of the glazing and two faces called attachment faces 52 and 53 facing the respective glass sheets 30 and 31.
• the spacer 5 extends in length, here not shown, along the entire length of each side of the glazing.
• the spacer 5 has the characteristic described later of mirror function at least on the vertical sides of glazing.
• the spacer has a width, transverse dimension to the general faces of the glass sheets, equivalent to the desired spacing of the glass sheets.
• the spacer 5 has a thickness, distance separating the inner 50 and outer 51 faces, which is generally of the order of 6 or 8 mm.
• the spacer is of the SWISSPACER type, marketed by the company SAINT-GOBAIN GLASS, it has a body with a rectangular section and is biased at its corners on the inner side of the glazing.
• the body is made of thermoplastic material, of the styrene type. acrylonitrile (SAN) or polypropylene, and reinforcing fibers, glass type, which are mixed with the thermoplastic material.
• SAN acrylonitrile
• the body is hollow and houses the desiccant.
• the spacer 5 is fixed in known manner by gluing with a structural seal 6 arranged in interface between each fixing face 52 and 53 of the spacer and respectively each inner face 30A and 31A of the glass sheets 30 and 31.
• the seal structural 6 is for example made of butyl and provides a seal to gases and water vapor.
• a sealant 7 is added against the outer face 51 of the spacer and between the glass sheets 30 and 31 being coplanar with the edge of the glass sheets.
• This putty is waterproof. It is for example made of polyurethane, or polysulfide or silicone.
• the spacer 5 has at its inner face 50, a reflective surface mirror function 54.
• the mirror function reflective surface 54 is preferably made of a coating 8 which is secured to the inner face 50.
• the coating is made of a reflective material having a mirror function and having on the one hand a light reflection RL of at least 75%, preferably at least 80%, and on the other hand a gloss of at least 100 UB at an illumination angle of 85 °.
• the mirror-function reflective coating has a light reflection RL of 81% and a brightness of 104 UB at an illumination angle of 85 °.
• Another example providing the trompe l'oeil effect sought for the spacer is a reflective coating whose RL light reflection is 84% and a brightness of 106.
• the reflective coating 8 with mirror function is an adhesive film bonded to the entire inner face 50 of the spacer.
• the reflective coating 8 with mirror function advantageously has orifices not shown here, just like the inner face 50 of the spacer, to allow moisture in the gas strip to be absorbed by the desiccant.
• the spacer illustrated in Figure 3 has a more rectangular section shape.
• the sealant 7 is transparent.
• the spacer 5 is provided not only on its inner face 50 but also on its outer face 51 with a mirrored reflecting surface 54.
• the surface Reflective mirror function 54 is for example obtained by bonding the reflective coating 8 mirror function of Figure 2.
• the method of manufacturing the glazing of the invention is as follows with regard to the manufacture of the spacer and its assembly:
• the spacer is manufactured in a traditional way
• a reflective surface coating 8 is selected, the material of which has on the one hand a light reflection (RL) of at least 75%, preferably of at least 80%, and on the other hand a gloss of at least 100 UB under an illumination angle of
• the reflective coating 8 mirror function is reported by gluing on the spacer when it is an adhesive film
• the spacer is assembled in the usual manner to the glazing unit.
• the spacer of the invention thus produced makes it possible, by being assembled at least at the vertical sides of an insulating glazing unit, to provide a trompe l'oeil effect at the spacer with the illusion that the frame of the glazing on the vertical sides is invisible.
• the visual impact of the frame is almost zero, giving the impression of transparency at the junction of several glazing of the invention side by side.

Landscapes

• Engineering & Computer Science (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Chemical & Material Sciences (AREA)
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• Ceramic Engineering (AREA)
• Securing Of Glass Panes Or The Like (AREA)
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• 2016
  • 2016-03-18 FR FR1652341A patent/FR3048859B1/fr active Active
• 2017
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  • 2017-02-23 EP EP17709921.5A patent/EP3430224A1/de not_active Withdrawn
  • 2017-02-23 WO PCT/EP2017/054174 patent/WO2017157633A1/fr active Application Filing
  • 2017-02-23 BR BR112018068377-9A patent/BR112018068377B1/pt active IP Right Grant
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• 2018
  • 2018-08-28 CO CONC2018/0008986A patent/CO2018008986A2/es unknown
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