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EP2915460A1 - Glaselement für Möbelstück mit gekühltem Außenmantel - Google Patents

Glaselement für Möbelstück mit gekühltem Außenmantel Download PDF

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Publication number
EP2915460A1
EP2915460A1 EP14158278.3A EP14158278A EP2915460A1 EP 2915460 A1 EP2915460 A1 EP 2915460A1 EP 14158278 A EP14158278 A EP 14158278A EP 2915460 A1 EP2915460 A1 EP 2915460A1
Authority
EP
European Patent Office
Prior art keywords
compartment
frame
glazing
horizontal
spacer
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.)
Withdrawn
Application number
EP14158278.3A
Other languages
English (en)
French (fr)
Inventor
Pierre Schneider
Nicolas BOUCHER
Olivier Bouesnard
Jean-Philippe BIARD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Glass Europe SA
Original Assignee
AGC Glass Europe SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AGC Glass Europe SA filed Critical AGC Glass Europe SA
Priority to EP14158278.3A priority Critical patent/EP2915460A1/de
Priority to CN201580012413.4A priority patent/CN106061329B/zh
Priority to JP2016555768A priority patent/JP6611361B2/ja
Priority to BR112016019713-5A priority patent/BR112016019713B1/pt
Priority to US15/124,313 priority patent/US10400504B2/en
Priority to PCT/EP2015/053370 priority patent/WO2015132071A1/fr
Priority to DE202015009499.6U priority patent/DE202015009499U1/de
Priority to EP15705978.3A priority patent/EP3113653B1/de
Priority to PL15705978T priority patent/PL3113653T3/pl
Priority to ES15705978T priority patent/ES2877352T3/es
Publication of EP2915460A1 publication Critical patent/EP2915460A1/de
Withdrawn legal-status Critical Current

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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
    • E06B3/66309—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

Definitions

  • the field of the invention is that of glazed insulating elements for refrigerated cabinet furniture. These glazed elements can be used in all types of applications such as glazing for refrigerator doors, freezer doors, or utility glazing. Nevertheless, any other application requiring such glazed insulating elements can lead to the implementation of the invention.
  • Refrigerated cabinet furniture also known as refrigerated furniture, used in most commercial premises to offer for sale and / or for consumption products that must be kept at temperatures below 10 ° C, such as foodstuffs, is often equipped with glazed elements that turns it into a refrigerated sales cabinet. These furniture allow the visualization of the products by the consumer / customer and in particular a self-service use while keeping the products at a specific temperature. Refrigerated furniture represents the last link in the chain of food cold before the product is in possession of the consumer. The development of products and especially food is essential, but this should not be at the expense of the quality of their conservation. In other words, the refrigerated cabinet is used to present and / or expose the products in a useful volume at a specific storage temperature (generally less than 10 ° C).
  • the exposure of products and more particularly foodstuffs has a primary role in the sale of products.
  • Good exposure includes good visual access to the products contained in the refrigerated cabinet without having to open it.
  • the refrigerated cabinet must maintain a certain temperature and ensure the preservation of products that must be cooled or deep-frozen.
  • furniture should at least protect products against thermal aggressions of all kinds, such as closing and opening doors. From a technical point of view, the roles of exposure and preservation of the products at a certain temperature in refrigerated cabinets are totally contradictory since the consumer must be able to dispose of the products contained in the refrigerated cabinet while benefiting from furniture.
  • the invention particularly aims to overcome these disadvantages of the prior art.
  • an object of the invention in at least one of its embodiments, is to provide a glazed insulating glass opening element for refrigerated cabinet that can be fixed securely and easily to the frame of a refrigerated cabinet .
  • an object of the invention in at least one of its embodiments, is to provide a glazed opening element for refrigerated cabinet that is inexpensive while maintaining good thermal insulation properties and this more long as the glazed elements used conventionally.
  • Another objective of the invention in at least one of its embodiments, is to implement such an opening glazed element which offers a wide opening for refrigerated cabinet furniture while avoiding as much as possible the heat exchange with the outdoor atmosphere.
  • Another objective of the invention in at least one of its embodiments, is to provide a glazed opening element for a refrigerated cabinet which makes it possible to ensure efficient preservation of the products contained in the refrigerated cabinet while reducing the energy consumption to maintain the required temperature inside the refrigerated cabinet.
  • the invention in at least one of its embodiments, is also intended to provide such a glazed element that allows to optimize the energy efficiency of refrigerated furniture while maintaining the role of exposure of the products contained in the furniture refrigerated enclosure.
  • Another object of the invention is to provide a refrigerated cabinet that meets the sealing criteria of these types of furniture and that proposes an easy to implement and economically advantageous embodiment.
  • the invention also aims to be implemented on refrigerated furniture already in service to enable them to meet the current energy efficiency criteria of this type of furniture via an easy and economically advantageous implementation of the invention.
  • the general principle of the invention is based on the implementation in an intermediate frame in an insulating element which in addition to its holding property of the two sheets of glass at a distance from one another, has other features such as transparency on the vertical edges and structural properties on the horizontal edges that allow the attachment of the glazing by a direct connection between the spacer frame and the movable support of the frame.
  • the spacer frame according to the invention is formed by at least one fastening means connecting the vertical spacers and the horizontal spacers between them.
  • the peripheral joints on the vertical edges are transparent.
  • the mobile support supporting the glazing is devoid of lateral crosspieces while proposing a high performance solution both from the point of view of the thermal insulation and its mechanical strength.
  • Such a glazed element has the advantage of proposing a larger transparent surface due to the absence of lateral crosspieces on the mobile support, the presence of an intermediate frame and transparent peripheral joints on the vertical sides while allowing easy fixing. and economical as well as a very good thermal insulation.
  • the use of multiple glazings for refrigerated cabinets to increase the insulation is already known.
  • the thermal insulation is usually determined by the overall performance of a multiple glazed glazed element, defined by the thermal insulation coefficient. It is observed that several factors influence this coefficient, for example, the thermal bridges related to the glass as such, the fixing points of the glazing on the supporting structure, the joints distributed over the entire surface of the glazed element and finally the peripheral bond joints between each glazing commonly called spacers.
  • the thermal improvement generally remains insufficient and the use of such multiple glazing, because of their thickness and their weight, requires the use of complete chassis, extending over the entire periphery of the glazing , which gives them good mechanical strength but is a weak point in obtaining good thermal insulation.
  • the presence of a complete chassis creates a large footprint, both spatial and visual.
  • mobile or opening support means the mobile part of the frame which supports the glazing and which makes it possible to open and close the glazed element.
  • the invention proposes to substitute conventional insulating glazing elements included in a complete frame, a glazed element comprising at least one insulating glazing consisting of at least two sheets of glass supported by a movable support devoid of lateral crosspieces on the lateral edges. , thus having a lower thickness while giving it a better thermal insulation and a larger transparent surface.
  • the glazed element may comprise at least two juxtaposed insulating glazings.
  • a larger surface such as a refrigerated piece of large capacity or still a linear proposing at least two openings, the two multiple glazing being adjacent
  • the consumer is not visually impeded by the presence of side rails. The consumer then has the impression that the refrigerated cabinet is provided with only one transparent surface.
  • the opening mobile support comprises horizontal profiles extending on the upper and / or lower edges of the glazing, which create with the profiles of the fixed support barriers that are water and watertight. the air.
  • the spacer frame which holds the at least two sheets of glass at a distance from one another is composed of at least two horizontal spacers and at least two vertical spacers.
  • the horizontal spacers are composed of at least a first and a second separate and contiguous compartments.
  • the second compartment is not in contact with the glass sheets and is immersed in the second peripheral seal, the peripheral seal thus having a structural role in addition to its usual functions of sealing with water, air, etc.
  • the horizontal spacer according to the invention makes it possible, thanks to at least one fastening means passing through the peripheral seal, to secure the glazing to the mobile support of the frame.
  • the vertical spacer is formed from a transparent resin.
  • the horizontal and vertical spacers are secured to each other by at least one fastening means to form the spacer frame.
  • the interlayer thus formed has many advantages as it increases the transparent surface of the glazed element through the use of transparent vertical spacers and increase the structural rigidity of the glazed element through the use of horizontal spacers comprising at least two compartments.
  • the spacer frame according to the invention allows easy and robust fixing of the glazing to the movable part of the frame. This is particularly advantageous because the invention makes it possible to overcome the vertical amount of the frame conventionally used.
  • the intermediate frame according to the invention once formed can be stored until its integration in a multiple glazing thus improving productivity while facilitating the manufacture of insulating glass.
  • the second compartment of the horizontal spacer is juxtaposed to the external part of the first compartment, the first compartment having its inner part directed towards the inside of the glazing and in direct contact with the internal space and its outer portion directed to the outside of the glazing.
  • the second compartment located towards the outside of the glazing unit is then intended to receive at least one fixing means making it possible to connect the insulating glazing unit to the mobile frame support without disturbing the thermal insulation of the insulating glazing unit.
  • the first and second compartments of the horizontal spacer are hollow and a desiccant material is introduced into the first compartment located towards the inside of the glazing unit.
  • the solid compartment is intended to receive at least one fixing means for fixing the insulating glazing unit to the movable support of the glazing unit.
  • the second compartment of the horizontal spacer is sandwiched between the first compartment and the inner face of the glass sheet which is not in contact with the first compartment.
  • the first compartment is hollow and while the second compartment is full.
  • the solid compartment is intended to receive at least one fixing means for fixing the insulating glazing unit to the movable support of the glazing unit.
  • the faces of the double glazings or multiple glazings are conventionally numbered from 1 to 4 from the outside to the inside, the inner faces 2 and 3 being the facing faces and delimiting the internal space.
  • the intermediate frame makes it possible to bind the at least one first and second glass sheets together and to fix the insulating glazing to the mobile support of the frame.
  • the horizontal spacer is formed of a single closed profile comprising at least a first and a second compartment.
  • the horizontal spacer is formed by the combination of at least two profiles of different nature and / or shape. Another variant is still to combine a profile making the entire length of the horizontal spacer with pieces of profiles arranged discontinuously forming pads. The securing means of the insulating glazing to the mobile support of the frame is then bonded to the pads.
  • the movable support of the frame is devoid of lateral crosspieces on the lateral edges.
  • the movable support can take the form of a U-shaped or L-section profile which will be fixed directly to the insulating glazing at its lower and upper edges by means of a fastening means. introduced into the second compartment of the horizontal spacer of the spacer frame.
  • the transparent surface of the glazed element according to the invention is increased. This has an even greater advantage if the glazed elements according to the invention are used for a refrigerated furniture linear.
  • linear means a set of refrigerated furniture that can be aligned, placed in L, Z, ...
  • the at least two vertical spacers of the spacer frame are formed from a transparent resin.
  • transparent resin a chemical substance used for the manufacture of a plastic material or the plastic itself, which lets light through and allows to see through.
  • the transparent spacer is formed from a transparent resin chosen from polymethyl methacrylate, polycarbonate, polystyrene (PS), polyvinyl chlorine PVC, acrylonitrile butadiene styrene (ABS, nylon or a mixture of these compounds.
  • a transparent resin chosen from polymethyl methacrylate, polycarbonate, polystyrene (PS), polyvinyl chlorine PVC, acrylonitrile butadiene styrene (ABS, nylon or a mixture of these compounds.
  • the spacer frame used in the invention has the advantage of opposing the possible exchange of gas, moisture and dust between the outside atmosphere and the gas blade of the glazing while being transparent on at least the lateral parts, thus allowing to see through the products contained in the refrigerated cabinet without the consumer's view being obstructed by the presence of spacer frame comprising non-transparent lateral spacers or more particularly the presence of lateral crosspieces.
  • the spacers used in the multiple insulating glazings are generally a metallic hollow profile, extruded or formed, or organic material or a profile with angle brackets or an angled section, in this case the The spacer consists of a continuous profile bent at the corners.
  • the first transparent peripheral seal implemented between the vertical spacers of the spacer frame and each of the glass sheet constituting the glazing is transparent.
  • the first peripheral seal commonly known as the sealing barrier is formed from a transparent resin selected from a double-sided acrylic, modified acrylic, rubber or silicone strip, more commonly known as a double sticky tape.
  • These materials in addition to being transparent, have a good performance in terms of water vapor and gas tightness and also have a good adhesion to glass while resisting ozone, oxygen, ultraviolet.
  • the peripheral sealing gasket is a mastic bead generally based on polyisobutylene, more commonly known as butyl particularly effective in terms of water vapor and gas tightness but whose mechanical performance is insufficient to hold the glass sheets between them.
  • the second peripheral seal is a structural function sealant, such as silicone, polyurethane (PU), modified silicone (MS-Polymer ).
  • sealants have a very good mechanical strength in addition to their sealing properties to water and air and adhesion to glass.
  • a second peripheral seal along the vertical edges of the glazing can be used.
  • the second peripheral seal is made from a resin selected from a glue comprising silicone, hybrid mastic comprising silicone and polyurethane, hot melt hot melt or a mixture of these various compounds.
  • These compounds have good adhesion to the glass sheets and mechanical properties allowing them to maintain the glass sheets to the spacer.
  • these compounds are elastomers which, after crosslinking, have elastic properties. They have good resistance to oxidation and have a low permeability to water vapor.
  • Silicones which are elastomers with one or two components, are particularly preferred because of their adhesion to glass, their resistance to external agents and their aging.
  • Butyls of the "hot melt” type are rubbers hot melt with good resistance to moisture penetration. Their firm consistency at normal temperatures makes them good candidates as sealants.
  • the horizontal edges of the glazing comprising the spacer frame and the peripheral joints are masked by a screen printing applied to one of the faces of at least one glass sheet.
  • the screen printing is applied to the glass sheet which will be directed towards the outside of the refrigerated enclosure (face 4).
  • the movable support present only on the horizontal edges of the glazing, can also play part of this role namely to hide the edge of the glazing which is not transparent.
  • the at least one insulating glass of the glazed element has a thermal coefficient U of between 1.1 and 1.8 W / m 2 .
  • the thermal coefficient U corresponds to the amount of heat that passes through the material. This type of glass allows high insulation performance and therefore saves energy and meet new regulations in terms of energy savings.
  • the at least one insulating glazing unit comprises at least a first and a second glass sheet associated together via an intermediate frame, said sheets being of different sizes and can therefore be staggered over the entire periphery of the glazing.
  • This is called asymmetrical glazing.
  • This difference in size between the at least first and second glass sheet has the advantage of being able to easily implement on this part the mechanical mounting of the movable support on the horizontal edges or lower and upper of a multiple glazing or of place a heating network that could be placed on the part of the shifted glass to avoid the appearance of condensation at the edge of glazing.
  • the at least one insulating glazing unit comprises at least one sheet of safety glass.
  • safety glass sheet thermally tempered glasses or laminated glasses.
  • This type of glass allows the protection of people against the risk of injury in case of breakage of glass.
  • the invention also relates to the use of an insulating glass element according to the invention as a door of a refrigerated cabinet furniture.
  • the invention also relates to a refrigerated cabinet furniture comprising at least one glazed element as described above.
  • the refrigerated cabinet comprises at least one glazed element which comprises at least two insulating glass units.
  • the refrigerated cabinet comprises at least one glazed element which comprises at least two insulating glass units and whose sealing between the at least two insulating glazings is achieved by means of a transparent sealing element positioned on at least the lateral edge adjoining the lateral edge of the neighboring glazing unit.
  • refrigerated cabinets also known as refrigerated or refrigerated cabinets used in most commercial premises to offer for sale and / or for consumption products which must be kept at specified temperatures, are often equipped with glazed elements that turn them into refrigerated sales furniture. So, these furniture allow the visualization of the products by the consumer / customer and a self-service use, while ensuring the maintenance of the temperature in the cabinet of the furniture.
  • the exposure of commodities has a key role in the sale of products.
  • Good exposure includes good visibility of the products contained in the refrigerated cabinet.
  • the refrigerated cabinet must maintain a certain temperature and ensure the preservation of products that must be cooled or deep-frozen.
  • Refrigerated furniture generally consists of four parts, namely, the supporting structure of the cabinet, the refrigerating elements, the useful space of sale, in other words the container and preferably glazed doors to allow the supply refrigerated furniture and access by the consumer to the products offered for sale.
  • the load-bearing structure of the cabinet consists mainly of an insulated envelope in the form of sandwich panels of "steel-insulating foam-steel" type.
  • the quality of the implementation and the thickness of the insulation will determine the energy performance of the furniture in terms of penetrations (or negative loss).
  • Today, refrigerated furniture tends to be more and more aesthetic including a glass carrying structure. Then comes the question of energy performance.
  • the glazed elements such as for example shown by the figure 7 may be used to form the doors of the refrigerated cabinet unit or form the refrigerated cabinet unit itself.
  • the refrigerating elements are generally inside the furniture.
  • the invention will be described more particularly for refrigerated cabinet furniture or sales cabinet refrigerators, but the invention is not limited to this type of furniture. Indeed, There are several variants of these refrigerated cabinets for sale. Some are cabinet-shaped and then the door itself is a transparent glazed element, others are chests and it is the horizontal cover that is glazed to allow observation of the contents and still others are shop counters and this is the part that separates the public from the goods that is glazed. Whatever the variant of these refrigerated sales furniture, it is also possible to produce glazed walls so that all the content is visible from the outside.
  • the goods In this type of display, it is necessary that the goods remain perfectly visible to customers so that it is possible to preselect the goods without opening the furniture and unnecessarily avoid any loss of energy and thus lead to excessive energy consumption. Overconsumption of energy is often also linked to the use of glazed elements that are not sufficiently insulating.
  • the glazed part, more particularly the opening glass part of the refrigerated cabinet still called opening or door of the refrigerated furniture of sale must preferably not be delimited by a frame or at least on its lateral edges to give the impression to the customer that the cabinet is provided with an opening in one piece, without separation, while ensuring its role of thermal insulation. It should also be avoided that the glass parts of the furniture and particularly the doors are not covered with condensation and which resist the pressures due to frequent opening / closing of these openings by the customers or the employees responsible for supplying the refrigerated furniture.
  • an insulating glazing unit 100 which will be used to manufacture the glazed element 200 according to the invention.
  • the insulating glazing unit 100 is a double glazing unit comprising a first 10 and a second 11 glass sheets (for example sheets of soda-silico-calcium glass 4 mm thick) associated together via an intermediate frame 50 which keeps them at a distance from each other.
  • an inner space 15 comprising a blade of an insulating gas is closed by the spacers and a first peripheral seal 13 along the horizontal edges 101 and a first peripheral seal 27 along the vertical edges 102.
  • a second peripheral seal 14 is placed along the horizontal edges 101.
  • a second peripheral seal 28 may be placed along the vertical edges 102, as illustrated in FIG. figure 3 b.
  • the glass sheets 10, 11 may be of different sizes.
  • the spacer frame 50 is composed of at least two vertical spacers 25 and at least two horizontal spacers 26.
  • the horizontal spacers are connected to the vertical spacers are interconnected by at least one fastening element 24 connecting the vertical spacer 25 to compartment 17 of the horizontal spacer 26.
  • the horizontal spacer 26 is composed of at least a first 12 and a second 17 compartments, separate and contiguous.
  • the second compartment of the horizontal spacer is juxtaposed to the outer portion of the first compartment 12, the first compartment having its inner part directed towards the inside of the glazing and in direct contact with the space internal and external part directed towards the outside of the glazing as shown in the figure 2 .
  • the second compartment of the horizontal spacer can be sandwiched between the first compartment and the inner face of the glass sheet which is not in contact with the first compartment as shown in FIG. Figure 4 .
  • the compartments 12 and 17 are preferentially derived from a single closed section. It is understood that they can also be derived from the combination of several closed profiles of different shape and / or nature.
  • the second compartment 17 is placed towards the outside of the glazing and is not in direct contact with the glass sheets 10 and 11. Its thickness (B) is therefore less than the thickness (A) of the compartment first compartment 12. A minimum distance of 1 mm between the compartment and the glass sheets is preferable.
  • the second compartment 17 is at least in contact with the second peripheral seal 14 and preferably immersed in the second peripheral seal 14 and allows at least one fastening means 18 passing through the second peripheral seal 14 to secure the glazing to the movable support of the frame 22.
  • the second compartment 17 is hollow.
  • the first compartment 12 used according to the invention may be hollow or solid. It can be hexagonal. When the first compartment 12 is hollow then the load with the chambers of the multiple glazing must be balanced.
  • the first compartment 12 may in particular comprise a transverse hollow section which has, for example, the shape of a square. This section is partially open towards the internal space 15 comprising the insulating gas. A desiccant material can then be disposed inside the first compartment 12.
  • the first and second compartments 12 and 17 may be galvanized steel, aluminum, stainless steel or composite profiles.
  • the vertical spacer 25 extending along the side edges of said at least two glass sheets is formed from a transparent resin.
  • the customer or employee facing refrigerated cabinet furniture comprising at least two openings has the impression that the refrigerated cabinet is provided with only one glass face and its view is not obstructed by the presence of frame or side rails, while the glazed element is composed of several windows.
  • the vertical spacer 25 placed on the side edges of the multiple glazing is formed from a transparent resin and preferably made of a material selected from polymethylmetacrylate, polycarbonate, polystyrene, polyvinyl chlorine PVC, acrylonitrile butadiene styrene (ABS), nylon or a mixture of these compounds.
  • the first peripheral seal (27) extending along the lateral edges between the at least two sheets of glass and the vertical spacer 25 is formed from a transparent resin.
  • Such a seal (27) is preferably made of a sealing material chosen from an acrylic, modified acrylic, rubber or silicone double-sided tape, also called "pressure-sensitive adhesive-PSA" tape. , or a transparent hot-melt adhesive (butyl) or a structural adhesive of acrylic type, epoxy, cross-linkable or otherwise under the action of UV.
  • a second peripheral seal (28) can be positioned at the outer portion of the vertical spacer 25 as shown in FIG. figure 3b and filling the space between the inner faces of the glass sheets. It is then preferably made of a resin transparent. Such a seal is preferably made of a sealing material which is an adhesive comprising silicone, hybrid sealant comprising silicone and polyurethane, hot melt hot melt or a mixture of these different compounds.
  • a desiccant may be disposed within the multiple glazing. It can be arranged inside the first compartment 12 or at different places in the glazing, for example in the mobile support of the frame.
  • the desiccant is incorporated in the first compartment 12.
  • This first compartment 12 is then provided with an orifice (slots or holes) so that the desiccant is in communication with the air or the internal gas.
  • This is usually molecular sieve, sometimes silica gel.
  • the absorption capacity of these desiccants is greater than 20% of their weight. After dewatering, in a new insulating glass, the moisture content is low enough that there is no condensation between the glasses for temperatures below -60 ° C.
  • the first 13 and the second peripheral seals 14 may comprise polyisobutylene sealing layers disposed respectively between the compartment 12 and each of the first and second sheets of glass 10, 11.
  • the second peripheral seal 14 may also comprise a bead of polysulfide or silicone resin disposed in contact with the sealing layers 13 between each of the glass sheets 10, 11 and the first compartment 12.
  • the second peripheral seal 14 is a structuring function sealant chosen from silicone, polyurethane (PU) and modified silicone (MS-Polymer).
  • a screen printing 16 may be affixed to the horizontal edges of the glass sheet 11 on its inner face in order to perfect the aesthetic appearance of the glazed element by masking the horizontal spacer 26, the seals 13 and 14 and the element fixing 18.
  • a structural reinforcement profile 20 may be inserted into the second peripheral seal 14 as shown for example in FIG. figure 6 .
  • the reinforcing profile 20 is immersed in the second peripheral seal 14 so as to stiffen the glazing.
  • the reinforcing profile 20 is traversed in particular by at least one fastening means 18 for fixing the glazing to the movable frame.
  • This profile contributes to the mechanical rigidity of the glazing. It can be steel, stainless steel or plastic reinforcement.
  • the reinforcing profile 20 has the shape of a U, but it is understood that it may be of different shape such as L or any other forms to stiffen the entire glazed element.
  • the internal space 15 comprises a blade of an insulating gas comprising at least 85% Argon or Krypton or any other inert gas capable of optimally isolating the glazing.
  • Adequate gases must be colorless, non-toxic, non-corrosive, non-flammable, insensitive to exposure to ultraviolet radiation, denser than air and have a lower thermal conductivity.
  • Argon (Ar), krypton (Kr), xenon (Xe) are examples of such gases that are commonly substituted for air in insulating glass panels. It is understood that the internal space 15 can be filled with air.
  • the inventors propose a multiple glazing that can be used in a glazed element that can serve as a door, an opening for a refrigerated cabinet without requiring the presence of a movable support extending over the entire periphery of the glazing.
  • the glass sheets 10 and 11 respectively in the outer and inner position can be a simple soda-lime type glass sheet, a toughened glass or a laminated glass, an extra-white glass to improve the light transmission , a glass tinted or not in the mass, for the aesthetic appearance, a glass on which can be deposited an anti-scratch or hydrophobic film.
  • more and more functions are added to these windows by depositing on their surface thin layers intended to give them a particular property according to the intended application.
  • the glass sheets may be covered on their outer and / or inner faces with one or more layers chosen from the following list: an anti-fog layer, an antibacterial layer, a hydrophobic layer in order to avoid stagnation of the condensation water or an easy-to-clean layer, a semi-reflective or reflective layer, a low emissive layer or a pyrolytic layer.
  • optical function layers such as so-called anti-reflective layers composed of a stack of layers alternately with high and low refractive indices.
  • electrically conductive thin layers for example based on metal or doped metal oxide.
  • low-emissivity or anti-solar we can turn to thin metal layers of the silver type or nitride or metal oxide.
  • the insulation performance of the glazing has been increased thanks to the use of a double or triple glazing to form the parts glazing of the refrigerating cabinet but also the presence of low-emissivity layers on at least one of the faces of the glass sheets included in the glazing, thin layers reflecting the infrared radiation or the use of triple glazing with one of the blades of gas can be Krypton. It is also possible to heat at least faces of the glazing.
  • the insulating glazing unit 100 is thus used to manufacture a glazed element 200 as represented in FIGS. Figures 7 to 10 .
  • the spacer frame 50 is fixed inside the insulating glazing unit by its lateral faces to the internal faces of the glass sheets by butyl rubber which has the purpose of role of sealing the interior of the glazing with water vapor.
  • the intermediate frame is set back inside the glazing and close to the edges of said glass sheets, so as to provide a peripheral groove in which are injected the sealing means of the mastic type, such as a polysulfide or polyurethane .
  • the mastic confirms the mechanical assembly of the two glass sheets and ensures the sealing with liquid water and solvents.
  • This colored spacer frame and the sealing means are not aesthetic and are usually masked by an outer frame in which the glazing rests. However, this visible frame represents a visual barrier, a brake on access to the goods contained in the refrigerated cabinet. In addition to its structural role, it must generally be weak conductor.
  • the fixed and mobile supports are composed of horizontal and vertical edges. This configuration makes it possible to support the insulating glazing but also to contribute to the thermal insulation.
  • the frames are usually made of different materials such as wood, PVC (polyvinyl chloride), aluminum or composite materials.
  • the invention therefore provides a glazed element 200 comprising at least one multiple glazing 100 supported by at least one frame whose movable support 22 or opening frame also called the opening is devoid of lateral crosspieces.
  • the structure of the glazing used for the glazed parts and in particular the openings of the refrigerated cabinet according to the invention has the advantage of conferring a rigidity and strength equivalent to that of a single glazing even if said glazing is devoid of support mobile over the entire periphery of the glazing or more particularly vertical sleepers while ensuring good thermal insulation.
  • the size is greatly reduced thus providing greater visibility of the contents of the refrigerated cabinet.
  • the glazing 100 has a value of thermal transmission coefficient U of between 1.1 and 1.8.
  • thermal transmission coefficient U is meant the quantity of heat passing through the glazing, in steady state, per unit area, for a difference of one degree Celsius between the ambiences, for example outside and inside.
  • U a low-emissivity layer
  • the glass sheets used may be glass sheets of Thermobel TopN or TopT type of AGC.
  • the glass sheet can thus be covered with thin layers of metal of the silver type or with nitride or metal oxide base.
  • the glazing used 100 has a high performance U coefficient while presenting aesthetic qualities.
  • insulating glazing according to the invention makes it possible to achieve better thermal insulation than the usual insulating glazings, for a lower thickness and weight and consequently a saving in terms of energy consumption.
  • the invention relates more particularly to a refrigerated cabinet furniture in which are exposed fresh, chilled or frozen products whose common name is "refrigerated furniture sales". It is understood that the invention is not limited to this type of furniture, any speaker enclosure in a hot environment, wet or not, is also within the scope of the invention.
  • Another subject of the invention is a refrigerated cabinet that overcomes the various drawbacks of the prior art, and meets the sealing criteria of this type of furniture and provides a piece of furniture that is easy to use and economically advantageous. for the manufacture of new furniture or the improvement of the performance of a piece of furniture already in use.
  • the refrigerated cabinet furniture according to the invention has the advantage of providing the client with increased visibility of the sound content since the doors have no movable support on the side edges of the glazing panel, while ensuring good thermal insulation.
  • the glazed element for producing such a refrigerated piece of furniture is described above and is represented by way of example by the Figures 7 to 10 .
  • the seal between the two openings is formed by means of a transparent sealing element 31 fixed on the glazing.
  • the sealing is for example ensured on the lateral edges devoid of side crossbar by a lip seal or transparent coil or the broom or felt type on the lower and upper edges of the glazing.
  • the insulating glazing is provided on at least one of its edges with a transparent sealing element such as a glued profile, in particular of plastic.
  • profile means all types of prefabricated profiles having a shape adapted to the function of said profile.
  • the profile is a plastic profile in order to marry without significant constraints the deformation of the glazing.
  • Such a profile glued on at least one of the edges of the glazing can perform various functions such as the protection of the edges of the glazing, the attachment of various elements such as hinges or handles or the aesthetics of the opening.
  • the use of a profile is advantageous for the realization of magnetic contacts between the opening and the cabinet and / or the neighboring opening.
  • the vertical elements for receiving the lateral edges of the at least two openings are eliminated with respect to the conventional refrigerated cabinets furniture.
  • the absence of vertical elements simplifies the structure of the furniture while improving its aesthetics.
  • said sealing element placed on the side edges of the glazing is a lip seal or transparent coil which has the advantage of not creating stress and resistance at the glazing and not to create a risk of leakage along the entire length.
  • the lower and upper corners of the glazing are equipped with an element capable of receiving a magnetic piece in order to ensure contact with the furniture and / or the edge of the neighboring opening.
  • an element capable of receiving a magnetic piece in order to ensure contact with the furniture and / or the edge of the neighboring opening.
  • it achieves a good contact and a good stop between the amount and furniture and the neighboring amount while allowing a hermetic and aesthetic closure of said opening.
  • the seal between the opening and the upper and lower edges of the cabinet is made by means of compressible magnetic seals disposed on said edges of the cabinet so that the contact is made on the outskirts of the opening.
  • the inner surface of the opening is lightened and the compressible magnetic seal allows a hermetic contact which absorbs the small deformation that can appear on this contact length.
  • this contact length being lower than that at the lateral ends of the cabinet, the deflection arrow is much smaller and the contact can be made on the periphery of the opening without risk of sealing rupture.
  • the axis of articulation is eccentric with respect to the plane of said opening and the articulation element is fixed on the opening, in particular on the mobile support located on the horizontal edges of the opening. glazing.
  • the insulating glazing has glass sheets of different sizes over the entire periphery of the glazing.
  • the asymmetry of the two sheets of glass facilitates the mechanical mounting of the mobile support frame on the lower and upper edges of a multiple glazing and in particular the double glazing included in the opening.
  • the opening is provided with a spring-type return element.
  • a spring-type return element is particularly advantageous from an aesthetic point of view. Indeed, it eliminates the use of the torsion bars usually used, these bars being generally arranged in the frame because of their significant volume.
  • a movable support of the frame 22 is positioned on the lower and upper edges of the multiple glazing in order to be able to maintain and fix the opening to the dormant part 21, that is to say the fixed support for the opening of the refrigerated cabinet. It is for example in the form of an L-shaped or U-shaped which extends over part or all of the lower and / or lower edges of the at least one insulating glazing unit.
  • the mobile support 22 may be aluminum, PVC, steel, stainless steel or any material capable of performing this function of maintaining and fixing the glazing to the dormant part.
  • the mobile support 22 must have a U coefficient as low as possible to prevent heat loss. Thanks to the movable supports, the transfer of the mechanical load by the glass is done between the lower and upper parts of the multiple glazing.
  • Such a mobile support is represented in the figures 2 , 4 to 6 .
  • the presence of movable supports 22 on at least a portion of the horizontal edges of the multiple glazing allows integration of at least a portion of the mechanism intended to allow the opening and closing of the openings, including the attachment of two, three or four points of support or pivot 19 as shown by the figure 5 , which are mainly anchoring points of the opening and closing movements of the doors.
  • the mechanism intended to allow opening and closing of the opening is according to a particular embodiment of the invention composed of several parts that allow to connect the opening to the refrigerated cabinet speaker and more particularly to connect it to the level of the support fixed 21.
  • the fixed support can be the frame of the cabinet of the refrigerated enclosure.
  • a closure damping stop system and / or open position of the opening can be placed on or in at least one of the movable supports 22.
  • a desiccant material can be integrated into at least one of mobile supports.
  • At least one of the movable supports may comprise a sealing barrier abutting the door when it is in the closed position.
  • the sealing barrier may especially be a lip squeeze joint, brooms or felt.
  • the refrigerated cabinet is adapted to receive the fixed support of the glazed element according to the invention.
  • fixed support is meant that part of the frame 21 which is fixed to the cabinet of the refrigerated enclosure and which will support the opening both when it is in the open position and closed.
  • the fixed support or fixed frame can be made of aluminum, PVC, steel or wood.
  • the fixed frame will include a part of the mechanism intended to allow the opening and closing of the opening, the other part being fixed on the opening and according to a particular embodiment of the invention, on the other part of the opening and closing mechanism of the opening placed on at least one of the two rails.
  • the fixed fixed frame can include 2, 3 or 4 points of support or pivot, the mechanism of electric or pneumatic movement control type screw jack with or without rods.
  • the fixed fixed support can in particular comprise a damping stop for closing and holding the opening in the open position.
  • a sealing barrier is placed on the periphery of the frame fixed.
  • Such a barrier may be of the type lip seal, brush or felt at the end of the door in the closed position.
  • the opening of the opening of the refrigerated furniture can be done in different ways.
  • the opening can be opened by simply pivoting from the inside to the outside.
  • the doors can also be opened by sliding the doors from right to left or from left to right by horizontal translation with or without recovery of one of the opening on the other.
  • the opening can also open accordion.
  • the opening and closing of the movable portion of the glazed element 200 according to the invention is preferably automated, that is to say managed by an electrical system.
  • the refrigerated cabinet can be equipped with an interior lighting system of the multiple glazing. Lighting can be done in particular thanks to LEDs arranged on at least lower or upper edges of the glazing, a light can also be projected in the field of the glass panel or panels constituting the multiple glazing.
  • Video or fixed advertising screens can be integrated inside the multiple glazing and in particular double or triple glazing. Electrically operated or mechanical blinds can be added to the refrigerated cabinet.
  • This type of refrigerated cabinet speaker as described is easy to make and ask because does not require a lot of parts. It provides unquestionable thermal insulation and a very good seal while being aesthetic.
  • Figures 7 to 10 represent a glazed element 200 according to the invention.
  • the figure 7 shows a glazed element comprising 4 insulating double glazings 100, respectively from 1 to 4 starting from the left to the right.
  • each glazed element is hinged separately and on an edge thereof via pivot members 19 connecting the fixed support 21 and the movable support 22 of the chassis. The doors then open from the inside to the outside.
  • the glazed elements are coupled two by two to open accordion.
  • each glazed element 200 has hinge elements on both sides.
  • the pivot element 19 connects the fixed support 21 and the mobile support 22 of the frame.
  • the pivot element connects the movable supports 22 of two adjacent glazed elements (No. 1 and No. 2) and (No. 3 and No. 4).
  • the pivot fixed support side 22 is fixed.
  • the pivot on the fixed support side is sliding in order to allow the accordion opening.
  • the glazings 1 and 4 comprise two soda-lime-type asymmetric tempered glass sheets, whereas the glazings Nos. 2 and 3 comprise two tempered glass sheets of identical size.
  • the glass sheets are coated on their inner side with a low-emissivity layer of AGC TopNT type.
  • the internal space between the two sheets of glass comprises argon as an insulating gas.
  • the opening of the doors can be automated.
  • the sealing between the insulating glazings between them and the glazing and the fixed support is ensured by transparent beads joints.
  • the vertical portion 102 of the spacer frame 50 separating the two glass sheets of each glazing unit 100 is a rod of transparent polycarbonate glued to the glass sheets via a peripheral seal 27 which is a transparent double-sided adhesive tape PSA type.
  • the gas tightness between the glass sheets can be provided by a transparent silicone glue 28 for the vertical parts and is provided by a structural function sealant 14 for the horizontal parts.
  • the compartment 12 of the frame placed on the upper and lower edges of the insulating glass units 100 is an aluminum rod comprising a molecular sieve such as silica gel.
  • a screen printing 16 is placed on the horizontal edges of the insulating glass units 100.
  • the refrigerated cabinet furniture according to the invention also makes it possible to improve the exterior aesthetics of these pieces of furniture.
  • the face of the cabinet including the opening can be almost in glass due to the lack of vertical uprights of the frame and it is possible to provide a small space between the opening without discomfort for the visibility of the contents of the interior of these furniture and for the opening and closing of the furniture.
  • the refrigerated cabinet furniture according to the invention can meet the sealing criteria required for these types of furniture, are easy to achieve and without increasing or even decreasing the cost of furniture.
  • the glazed element 100 according to the invention can be mounted on refrigerated enclosure furniture already in use in order to improve their performance of thermal insulation and to improve the visual access to the content.
  • the invention is not limited to this particular type of embodiment and must be interpreted in a nonlimiting manner and encompassing all types of refrigerated cabinet furniture comprising at least one opening comprising at least one insulating glazing unit composed of at least a first and a second sheet of glass.
  • the skilled person can provide any variant in the insulating glass according to the invention described in the previous figures.
  • the insulating glazing may comprise several internal spaces each comprising a blade of an insulating gas (eg triple glazing)
  • the glass sheets of insulating glass panels according to the invention may be made of any type of glass, may be textured on the surface, may include any type of coating intended to achieve any function, or may themselves consist of glazing panels laminated by means of plastic interleaves.
  • the insulating glazing may also be glazing type VIG that is to say a glazing obtained by applying a vacuum between the glass sheets.
  • a glazed element according to the invention can be implemented in any type of application such as refrigerated furniture doors, freezers windows (eg verandas, roof elements, ).

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Refrigerator Housings (AREA)
EP14158278.3A 2014-03-07 2014-03-07 Glaselement für Möbelstück mit gekühltem Außenmantel Withdrawn EP2915460A1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP14158278.3A EP2915460A1 (de) 2014-03-07 2014-03-07 Glaselement für Möbelstück mit gekühltem Außenmantel
CN201580012413.4A CN106061329B (zh) 2014-03-07 2015-02-18 隔热嵌装玻璃元件
JP2016555768A JP6611361B2 (ja) 2014-03-07 2015-02-18 断熱性のガラス張り要素
BR112016019713-5A BR112016019713B1 (pt) 2014-03-07 2015-02-18 Elemento envidraçado isolante, móvel de câmara refrigerada e janela de edifício
US15/124,313 US10400504B2 (en) 2014-03-07 2015-02-18 Insulating glazed element
PCT/EP2015/053370 WO2015132071A1 (fr) 2014-03-07 2015-02-18 Elément vitré isolant
DE202015009499.6U DE202015009499U1 (de) 2014-03-07 2015-02-18 Isolierglaselement
EP15705978.3A EP3113653B1 (de) 2014-03-07 2015-02-18 Isolierglaselement
PL15705978T PL3113653T3 (pl) 2014-03-07 2015-02-18 Izolujący element oszklony
ES15705978T ES2877352T3 (es) 2014-03-07 2015-02-18 Elemento acristalado aislante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14158278.3A EP2915460A1 (de) 2014-03-07 2014-03-07 Glaselement für Möbelstück mit gekühltem Außenmantel

Publications (1)

Publication Number Publication Date
EP2915460A1 true EP2915460A1 (de) 2015-09-09

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EP14158278.3A Withdrawn EP2915460A1 (de) 2014-03-07 2014-03-07 Glaselement für Möbelstück mit gekühltem Außenmantel

Country Status (1)

Country Link
EP (1) EP2915460A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017036832A1 (fr) * 2015-09-03 2017-03-09 Agc Glass Europe Porte de meuble d'enceinte réfrigérée
CN113124601A (zh) * 2019-12-31 2021-07-16 青岛海尔特种电冰柜有限公司 冷柜中梁及其冷柜
WO2023037012A1 (fr) * 2021-09-13 2023-03-16 Saint-Gobain Glass France Vitrage isolant avec grand clair de vue
EP3589687B1 (de) * 2017-03-03 2023-09-06 Dow Silicones Corporation Transparente einheit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048763A1 (de) * 1980-12-23 1982-08-19 Labex GmbH Import-Export Industrieanlagen und Fördertechnik, 5340 Bad Honnef Streifen- oder lamellenvorhang fuer den abschluss von toroeffnungen, insbesondere fuer industrie- und lagerhallen
GB2162228A (en) * 1984-07-25 1986-01-29 Sanden Corp Double-glazed window for a refrigerator
US5584143A (en) * 1993-05-07 1996-12-17 Tyler Refrigeration Corporation Edge seal gasket assembly for a multiple glazing unit
EP1528213A1 (de) * 2003-10-27 2005-05-04 Piavevetro S.R.L. Tür- oder Fensterkonstruktion, insbesondere für Fenster- oder Glasfassaden

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048763A1 (de) * 1980-12-23 1982-08-19 Labex GmbH Import-Export Industrieanlagen und Fördertechnik, 5340 Bad Honnef Streifen- oder lamellenvorhang fuer den abschluss von toroeffnungen, insbesondere fuer industrie- und lagerhallen
GB2162228A (en) * 1984-07-25 1986-01-29 Sanden Corp Double-glazed window for a refrigerator
US5584143A (en) * 1993-05-07 1996-12-17 Tyler Refrigeration Corporation Edge seal gasket assembly for a multiple glazing unit
EP1528213A1 (de) * 2003-10-27 2005-05-04 Piavevetro S.R.L. Tür- oder Fensterkonstruktion, insbesondere für Fenster- oder Glasfassaden

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017036832A1 (fr) * 2015-09-03 2017-03-09 Agc Glass Europe Porte de meuble d'enceinte réfrigérée
US20180252022A1 (en) * 2015-09-03 2018-09-06 Agc Glass Europe Door for a refrigerated cabinet
EP3344838B1 (de) * 2015-09-03 2020-02-12 AGC Glass Europe Tür für möbelstück mit gekühltem aussenmantel
EP3699383A1 (de) * 2015-09-03 2020-08-26 AGC Glass Europe Tür für möbelstück mit gekühltem aussenmantel
US11156030B2 (en) 2015-09-03 2021-10-26 Agc Glass Europe Door for a refrigerated cabinet
EP3589687B1 (de) * 2017-03-03 2023-09-06 Dow Silicones Corporation Transparente einheit
CN113124601A (zh) * 2019-12-31 2021-07-16 青岛海尔特种电冰柜有限公司 冷柜中梁及其冷柜
WO2023037012A1 (fr) * 2021-09-13 2023-03-16 Saint-Gobain Glass France Vitrage isolant avec grand clair de vue
FR3127009A1 (fr) * 2021-09-13 2023-03-17 Saint-Gobain Glass France Vitrage isolant avec grand clair de vue

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