EP3344838B1 - Porte de meuble d'enceinte réfrigérée - Google Patents

Porte de meuble d'enceinte réfrigérée Download PDF

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Publication number
EP3344838B1
EP3344838B1 EP16754288.5A EP16754288A EP3344838B1 EP 3344838 B1 EP3344838 B1 EP 3344838B1 EP 16754288 A EP16754288 A EP 16754288A EP 3344838 B1 EP3344838 B1 EP 3344838B1
Authority
EP
European Patent Office
Prior art keywords
door
horizontal
vertical
transparent
peripheral seal
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.)
Active
Application number
EP16754288.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3344838A1 (fr
Inventor
M. Nicolas BOUCHER
Olivier Bouesnard
Pierre Schneider
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 EP20151149.0A priority Critical patent/EP3699383B1/fr
Priority to PL16754288T priority patent/PL3344838T3/pl
Publication of EP3344838A1 publication Critical patent/EP3344838A1/fr
Application granted granted Critical
Publication of EP3344838B1 publication Critical patent/EP3344838B1/fr
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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
    • 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
    • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
    • E06B3/66352—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes with separate sealing strips between the panes and the spacer
    • 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
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/12—Clamps or other devices for supporting, fastening, or connecting glass plates, panels or the like
    • A47F3/125—Doors for show cases
    • 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
    • E06B3/6604—Units comprising two or more parallel glass or like panes permanently secured together comprising false glazing bars or similar decorations between the panes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66328—Section members positioned at the edges of the glazing unit of rubber, plastics or similar 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
    • 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
    • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • 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
    • 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
    • E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes

Definitions

  • the field of the invention is that of doors for refrigerated enclosure furniture comprising insulating glass elements. These doors can be used in applications such as refrigerator doors and freezer doors.
  • Refrigerated cabinet furniture also called refrigeration cabinet used in most commercial premises to offer for sale and / or consumption of products which must be stored at temperatures below 10 ° C, such as foodstuffs, is often fitted with glass elements which transforms it into a refrigerated sales unit.
  • This furniture allows the visualization of the products by the consumer / customer and in particular self-service use while keeping the products at a determined temperature.
  • the refrigeration unit thus represents the last link in the food cold chain before the product ends up in the consumer's possession.
  • the development of products and in particular of foodstuffs is essential but this must not be done to the detriment of the quality of their preservation.
  • the refrigerated cabinet is used to present and / or display the products in a useful volume at a determined storage temperature (generally less than 10 ° C).
  • the exposure of products and more particularly of foodstuffs has a primordial role in the sale of these products.
  • Good exposure notably requires 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 conservation of products which must be cooled or frozen.
  • the furniture should at least protect the products against thermal attack of all kinds, such as the closing and opening of the doors.
  • the document GB2162228 discloses double glazing for display case consisting of two sheets of glass held in parallel position and spaced apart by spacers arranged between these sheets.
  • the spacers contain drying material and are formed wholly or partly of transparent resinous material to allow good visibility of the goods held in the display case and to prevent the formation of condensation on the interior surfaces of the glass sheets.
  • the document GB2162228 don't treat the problem of reducing the visual and spatial dimensions of the frame associated with double glazing.
  • the patent application US2015151511 discloses a laminated panel comprising at least two sheets of glass which are joined using a transparent mass and / or which becomes transparent after hardening.
  • the patent application WO2014009244A1 discloses a refrigeration cabinet door comprising at least two glasses surrounded by frame elements on the horizontal and / or vertical edges.
  • the chassis elements generate visual bulk and are also a thermal bridge between the interior and exterior of the refrigeration unit.
  • the invention particularly aims to overcome these drawbacks of the prior art.
  • an object of the invention in at least one of its embodiments, is to provide a refrigerated enclosure cabinet door which can be securely and easily attached to the refrigerated cabinet.
  • Another object of the invention in at least one of its embodiments, is to provide a door for refrigerated cabinet furniture which makes it possible to maintain the required temperature inside the refrigerated cabinet furniture while reducing the energy consumption to ensure efficient conservation of the products contained in the refrigerated cabinet.
  • Another object of the invention is to produce a refrigerated enclosure furniture door that meets the criteria for thermal insulation of these types of furniture and which offers an implementation that is easy to implement and economically advantageous.
  • the use of transparent materials of the polymer type and the elimination of metal frame elements associated with the glazed elements make it possible to propose an effective solution from the point of view of thermal insulation.
  • Another object of the invention is to provide such a door which makes it possible to optimize the exposure role of the products contained in the refrigerated enclosure cabinet while maintaining energy efficiency.
  • the use of transparent elements makes it possible to propose a solution without visual interruption which would be due to an opaque vertical joint and / or an opaque vertical frame. The visualization of products intended for sale is therefore improved.
  • the invention also aims to provide a refrigerated enclosure furniture door that meets the criteria of mechanical strength of these types of furniture.
  • the mechanical elements allowing in particular the opening of the door are incorporated directly into the glazing and replace the frame elements which surround the known glazing.
  • Another advantage lies in the fact that, from the mechanical point of view, the door for refrigerated enclosure furniture according to the invention is capable of also withstanding significant mechanical forces such as several hundred thousand opening / closing cycles. without requiring the use of frame elements present in association with the glazing of a traditional door.
  • the invention also aims to be able to be implemented on refrigerated furniture already in service in order to allow them to meet the current criteria of energy efficiency 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 and association of an intermediate frame, peripheral seals and a reinforcement making it possible to dispense with a frame element of traditional doors and to fulfill their functions which are : possible opening and maintenance of the glazing.
  • the term door means a system for opening / closing the furniture and by extension, the opening part of the furniture only.
  • the system can equally include a movement of the rotational, rectilinear type or a combination of the two.
  • a traditional door is a door comprising a frame and glazing.
  • the frame includes all or part of the periphery of the glazing, it is made up of frame elements ensuring the functions of opening, holding and supporting the glazing.
  • the refrigerated enclosure designates a closed space delimited in part by the door and in which prevails a temperature lower than the temperature of the atmosphere around the piece of furniture.
  • multiple glazing means a glazing comprising at least two sheets of glass.
  • the multiple glazing is double glazing or triple glazing. More preferably, it is a double glazing comprising two sheets of glass.
  • the glass of the glazing sheets is a glass from the category of soda-lime-calcium glasses well known in window applications.
  • the thickness of the glass sheets is generally in the range from 0.5 to 15 mm.
  • the central sheet In the case of triple glazing, the central sheet generally has a thickness less than the other two.
  • multiple insulating glazing is meant a multiple glazing limiting the heat exchanges between the refrigerated enclosure and the atmosphere around the furniture.
  • the glass sheets are associated with each other by means of an intermediate frame.
  • the intermediate frame designates a rigid element disposed between the glass sheets, which keeps them at a certain distance and which extends along the horizontal and vertical edges of the glazing.
  • the intermediate frame also has the function of contributing to the stiffening of the door.
  • the intermediate frame according to the door according to the invention has the shape of a quadrilateral, preferably a parallelogram. Even more preferably, the quadrilateral is a rectangle or a square.
  • vertical and horizontal adjectives is meant to designate locations close to opposite edges, that is to say non-contiguous edges of the frame and / or glazing and which face each other.
  • the door comprises between the glass sheets, an internal space.
  • the internal space is bordered by the intermediate frame and filled with a gas slide.
  • the gas in the internal space is an inert gas capable of thermally insulating the glazing.
  • a suitable inert gas is chosen for its absence of toxicity for living beings, of corrosive nature with regard to glazing, of flammable nature and of sensitivity to UV radiation.
  • Such a gas is generally chosen from air, argon, xenon, krypton and their mixtures. Most often, air, argon or a mixture of air and argon will be used.
  • the internal space comprises a strip of an insulating gas comprising at least 85% of argon.
  • peripheral seals are seals arranged around the internal space, provide sealing and contribute to the mechanical strength of the door.
  • At least first and second peripheral seals are located on the horizontal edges of the door. The first of these two joints is always a double joint connecting the horizontal spacer to each sheet of glass.
  • at least one peripheral seal is located on the vertical edges. This last joint is also a double joint connecting the vertical spacer to each sheet of glass.
  • At least one vertical spacer of the intermediate frame is formed from a transparent resin.
  • transparent means a property illustrating the percentage T L (light transmission) of visible light transmitted through the glazing in the visible spectrum of at least 1%.
  • transparent refers to a property of T L of at least 10%.
  • transparent means a T L of at least 50%.
  • At least one peripheral seal on at least one vertical edge is also transparent.
  • the horizontal spacers are composed of at least one profile.
  • profile is intended to denote an object of elongated shape and of constant section.
  • the profile is generally made of metal, polymer, ceramic or composite material (combination of at least two different materials).
  • the profile is preferably a solid profile and is mainly composed of a polymer matrix.
  • Desiccant material can be incorporated into the polymer matrix.
  • An example of such a desiccant polymer is a polymer comprising an integrated molecular sieve.
  • the desiccant material fills, at least partially, the hollow space.
  • desiccants capable of filling the hollow space are silica gels and molecular sieves.
  • the intermediate frame is composed of at least two vertical spacers and at least two horizontal spacers.
  • At least one fixing system secures the door according to the invention with the refrigerated enclosure cabinet and is at least partially inserted into at least one horizontal peripheral joint.
  • the fixing system is a device that allows the door to be joined to the enclosure.
  • the fixing system is composed of at least one screw with a function different from that of the intermediate frame described below.
  • the fixing system is composed of two screws, of a plate fitted with a pivot and drilled with two holes in which the two screws are inserted.
  • the fixing system also includes a self-closing system and a system limiting the opening of the door.
  • the door comprises a reinforcement, integral with the fixing system and inserted at least partially into at least one horizontal peripheral joint.
  • Reinforcement means a mechanical element which has the function of at least partially absorbing the mechanical stresses induced by the weight of the door and the opening and closing efforts thereof.
  • the reinforcement of the door according to the invention is generally in the form of a profile, distinct from the profile used for the horizontal spacers.
  • the section of this profile can generally be U or L.
  • the material of the profile can be a metal, a polymer or a composite material. Examples of joining are screws, clips, welds, glues and snap closure systems.
  • the intermediate frame, the peripheral seals and the reinforcement replace the frame of traditional doors and also fulfill its functions.
  • the vertical spacers of the intermediate frame of the door are connected to the horizontal spacers by means of a stiffening element.
  • stiffening element it is necessary to understand the association of at least one metallic, polymeric, ceramic or composite material part with a pressure device, an adhesive, a dowel, a screw, or any other means. ensuring the connection between said spacers.
  • the stiffening element comprises the association of a metallic, polymeric, ceramic or composite material part with a means ensuring the connection with the spacers.
  • the stiffening element comprises the association of a metallic, polymeric, ceramic or composite material part with several means ensuring the connection with the spacers.
  • the adhesive can be selected from crosslinkable acrylic polymer adhesives, crosslinkable epoxy adhesives, double-sided adhesive tapes made of acrylic polymer and polyisobutylene-based adhesives.
  • the screw can be made of steel, galvanized steel, stainless steel or bronze.
  • the stiffening element is formed from a profile of a nature and / or shape different from the horizontal spacer. Another variant also consists in combining the horizontal spacer with pieces of sections arranged in a discontinuous manner forming studs which make up the stiffening element.
  • the stiffening element is composed of at least one part which is secured with at least one reinforcement.
  • joined we mean an assembly that does not allow any degree of freedom between the two parts. Examples of joining are screws, clips, welds, glues and snap closure systems. Preferably, the connection will be made using screws or glues.
  • the reinforcement can even extend along the horizontal spacer and itself serve as a stiffening element.
  • the reinforcement is then a section of square or rectangular section which is secured to the horizontal spacer by gluing, a pressure system, a weld, a clip or any other element enabling this to be secured.
  • the stiffening element is in contact with at least the second horizontal peripheral seal.
  • the contacting is carried out on only a part or on the entire external surface of this element. For example, in the case of a square or rectangular section profile, it can be completely immersed in the second horizontal peripheral joint.
  • a second screw forming part of the fixing system passes through the second horizontal peripheral joint as well as the reinforcement, and extends into the stiffening element having a shape suitable for the reception of the screw.
  • the second horizontal peripheral seal is a mastic with a structural function, such as silicone, polyurethane (PU), polysulfides, modified silicone (MS-Polymer). These sealants have very good mechanical strength in addition to their water and air tightness properties and adhesion to glass.
  • This second peripheral seal is also called a seal.
  • structural function is meant the ability to transfer the mechanical stresses linked in particular to the weight of the glass sheets, to the thermal expansion constraints as well as to the opening-closing movements.
  • the transparent spacer is formed from a rigid transparent resin at room temperature comprising a polymer chosen from a polymethyl methacrylate (PMMA), a polycarbonate (PC), a polystyrene ( PS), polyvinyl chloride (PVC), polyamide (PA), polyetherimide (PEI), polyethylene terephthalate (PET), styrene-acrylonitrile copolymer (SAN), their copolymers or a mixture of these compounds.
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • PS polystyrene
  • PS polyvinyl chloride
  • PA polyamide
  • PEI polyetherimide
  • PET polyethylene terephthalate
  • SAN styrene-acrylonitrile copolymer
  • the transparent spacer is formed from PMMA or polycarbonate because of their high transparency and ease of processing.
  • the term polymer here covers both polymers and copolymers.
  • rigid resin at room temperature a resin which has, at room temperature, a longitudinal elastic modulus (Young's modulus) greater than 1.0 GPa and preferably greater than 1.5 GPa. Most preferably, the rigid resin has a Young's modulus greater than 2.0 GPa.
  • the transparent vertical peripheral seal is formed from a flexible transparent adhesive resin at room temperature chosen from an adhesive based on polyisobutylene, a double-sided strip of acrylic polymer, rubber or silicone more commonly known as the designation “double-sided pressure sensitive adhesive (PSA) or“ transfer tape ”.
  • PSA pressure sensitive adhesive
  • crosslinkable adhesive of acrylic or epoxy type.
  • the implementation is in liquid or pasty form and the adhesive is crosslinked in situ between the glass sheet and the vertical spacer.
  • crosslinkable is understood to mean the formation in situ of a three-dimensional network of polymer chains under the action of ultraviolet radiation, humidity or a hardener. These materials, in addition to being transparent, exhibit good performance in terms of water vapor and gas tightness and moreover exhibit good adhesion to glass while resistant to ultraviolet light.
  • the transparent vertical peripheral seal is formed from a transparent adhesive resin which is flexible at room temperature as described above.
  • the first horizontal peripheral seal consists of a polyisobutylene sealant more commonly known as butyl or a double-sided strip of acrylic polymer, rubber or silicone, or a combination of the two. This type of seal is particularly effective in terms of water vapor and gas tightness.
  • Thermal insulation is usually determined by the overall performance of a glazed element in multiple glazing, defined by Ug, the thermal transfer coefficient of the glazing (calculated according to standard EN673 and ISO10292).
  • Ug the thermal transfer coefficient of the glazing (calculated according to standard EN673 and ISO10292).
  • the term heat transfer coefficient Ug means the amount of heat passing through the glazing, in steady state, per unit of area, for a difference of one degree Celsius between the atmospheres, for example exterior and interior.
  • Several factors can improve this Ug coefficient, for example, low-emissivity type layers deposited on the glass sheets and, preferably, on their inner faces, that is to say the faces in contact with the gas plate. Another factor is the nature of the insulating gas.
  • the glass sheets used can be coated with one or more metallic layers, for example, TopN® or TopN + T® layers (registered trademarks of AGC). TopN + T® layers are preferred.
  • the insulating glazing has a heat transfer coefficient Ug of at least 0.3, preferably at least 0.6 and most preferably at least 1.0 W / m 2 .
  • the heat transfer coefficient Ug is generally at most 1.8 W / m 2 .
  • a primer layer is placed both between the transparent seal and the vertical spacer and between the transparent seal and the glass sheet.
  • primer layer is intended to denote a layer of an organic product which adheres well to the peripheral seal and which is endowed with selective adhesive properties with respect to glass or the transparent resin from which the spacer is produced.
  • examples of such primers are based on compounds of the silane family and compounds of the acrylic resin family.
  • Good adhesion is understood to mean an adhesion which requires a positive breakout force to separate the two assembled parts and the rupture of the two parts between them is cohesive, as described in standard EN1279 part 4.
  • VHB AP115® primer from the company 3M.
  • the reinforcement can be a closed or open section of U or L section, rectangular or curved, which is inserted, at least in part , in the second peripheral joint.
  • the profile is of U or L section.
  • the profile can be made of steel, stainless steel or polymer material.
  • the profile is made of stainless steel for its excellent rigidity and the absence of any corrosion. It generally has the same length as the horizontal spacer. It is at least partially inserted into the second peripheral seal and comes to rest on this horizontal spacer.
  • the insulating glazing comprises at least first and second sheets of glass associated via the intermediate frame, said sheets being of different sizes and therefore able be offset over part or all of the periphery of the glazing.
  • This is called asymmetric or offset glazing.
  • This difference in size between the first and second sheet of glass has the advantage of facilitating the insertion of a reinforcement and a fixing system.
  • the interest here is also to allow translational opening / closing systems (sliding doors).
  • Another advantage of this particular embodiment of the invention is to allow the placement of a heating network which could be deposited on the part of the glass offset in order to avoid the appearance of condensation at the edge of glazing.
  • the invention also relates to a door of which at least one glass sheet is partially covered with a decorative layer chosen from ceramic inks and organic inks.
  • the decorative layer is an opaque ceramic ink, more commonly called enamel which masks the interlayer frame as well as the peripheral joints.
  • the enamel is applied by screen printing on one of the faces of at least one sheet of glass.
  • the enamel layer is applied to the glass sheet which is directed towards the outside of the refrigeration unit.
  • the fixing system is masked by the decorative layer deposited on the glass sheet.
  • an enamel layer is deposited on the offset surface of the glazing and makes it possible to hide the fixing system from the view of an outside observer.
  • the glass sheets are toughened glass sheets or laminated glass sheets. These include a stack of at least one sheet of polyvinyl butyral plastic (PVB) arranged in sandwich between two sheets of glass. Such stacks of laminated glass occur with total glass thicknesses (not including the thickness of the PVB sheet (s)) ranging from 4 mm up to and including 24 mm.
  • PVB polyvinyl butyral plastic
  • the stiffening element has a profile shape extending over the entire length of at least one horizontal spacer.
  • the stiffening element is a profile of square or rectangular section. More preferably, it is glued to the horizontal spacer using a double-sided acrylic adhesive strip.
  • the reinforcement can also be an integral part of the horizontal spacer.
  • the horizontal spacer can be a profile composed of two chambers.
  • the first chamber borders the internal space of the glazing and the second chamber is in contact with the second peripheral seal and plays the role of reinforcement.
  • the second chamber can be hollow and of section comparable to the first chamber.
  • the first chamber may also be hollow and contain the desiccant.
  • this second seal is preferably chosen from the same materials as those of the transparent vertical peripheral seal already described. upper. It is however important that the material of each of the two joints is of a different nature.
  • a door (1) has been produced according to the invention, which can be mounted on the refrigeration unit (2).
  • the door (1) is a double glazing (3) comprising a first (4) and a second (5) sheet of soda-lime-calcium type glass of dimensions 1700 mm ⁇ 600 mm and each having a thickness of 4 mm.
  • the glass sheets (4) and (5) were then tempered.
  • the intermediate frame (6) was formed by two horizontal spacers (12) Super Spacer® from the firm Edgetech and two transparent vertical spacers (11) in PMMA as illustrated in figure 5 .
  • the dimensions of the horizontal spacers (12) are as follows: length 580 mm x thickness 14 mm x height 7 mm.
  • the dimensions of the vertical spacers (11) are as follows: length 1700 mm x thickness 12 mm x height 10 mm.
  • the desiccant material is integrated into the matrix of the Super Spacer® spacer.
  • a polyisobutylene cord 1 mm thick, was placed over the entire length of the horizontal spacers (12) as illustrated in figure 4 .
  • This polyisobutylene cord acts as the first double horizontal peripheral seal (8).
  • a seal in the form of 3M VHB® double-sided 4918 acrylic adhesive tape 2 mm thick and 10 mm high was deposited along the entire length of the vertical spacers (11) as illustrated in figure 3 .
  • a 3M® AP 115 silane type primer was deposited at each interface.
  • an internal space (7) comprising a blade of an insulating gas of argon type is closed by the intermediate frame (6).
  • the Argon concentration is 85%.
  • a U-shaped profile, having the role of reinforcement (14), has been inserted into the silicone seal (9).
  • the reinforcement (14) is made of stainless steel and extends along the horizontal spacer (12).
  • a fixing system (13) has been partly inserted in the second horizontal peripheral seal (9) as well as in the reinforcement (14).
  • the fixing system (13) was composed of the following elements: two screws of 5 mm in diameter, and a pivot piece contiguous to the silicone seal (9) and equipped with two holes where the two screws were inserted . The screws also came fit into the silicone seal (9) and the U-shaped profile (14). This fixing system (13) made it possible to secure the door (1) to the refrigeration unit (2).
  • test pieces are produced, each from two rectangular plates of silica-soda-lime float glass, one of which has previously been coated (on one side) with a TopN + T low-emissivity layer.
  • One of the two faces of the non-pre-coated wafer and the pre-coated side of the second wafer are cleaned using isopropanol.
  • the primer is then applied to the cleaned surfaces under a controlled atmosphere at a temperature of 25 ° C and 50% relative humidity (RH).
  • the primer dries for 2 to 3 minutes before applying a strip of tape of 25 x 10 mm transversely to one of the glass plates so as to cover its entire width in the central position of the plate, avoiding the formation and trapping of any air bubble between the tape and the glass plate.
  • the second glass plate is then glued in its central position on the other side of the tape already glued to the first glass plate so that the glass plates form an angle of 90 ° between them.
  • a glass / low-e layer / primer / double-sided tape / primer / glass stack was thus produced.
  • Two reference test pieces were produced in a similar manner, omitting the primer application step. A glass / low-e layer / double-sided tape / glass stack was thus produced.
  • a reference test piece and a test piece with primer were placed for 336 hours in an enclosure under controlled atmosphere at a temperature of 70 ° C. and 100% RH.
  • a reference test piece and a test piece with primer were not subjected to this conditioning.
  • test pieces were then subjected to a mechanical test consisting in pulling the two glass plates of each test piece.
  • the test was carried out under a controlled atmosphere at a temperature of 25 ° C and 50% RH.
  • the traction was exerted in a direction perpendicular to the surface of each of the 2 sheets of glass and the tensile force necessary to cause the tearing off and the complete separation of the two plates was measured.
  • the rupture is of cohesive type inside the material of the tape, except in the case of the sample without primer having undergone conditioning.
  • the latter exhibits a delamination phenomenon of the adhesive from the conditioning phase and gives rise to an adhesive rupture at the glass interface coated with the low-e / tape layer.
  • test piece produced according to the particular variant of the invention has an increased resistance to aging performance compared to a reference test piece.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Refrigerator Housings (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Wing Frames And Configurations (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
EP16754288.5A 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée Active EP3344838B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20151149.0A EP3699383B1 (fr) 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée
PL16754288T PL3344838T3 (pl) 2015-09-03 2016-08-22 Drzwi szafy z komorą chłodniczą

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15183726 2015-09-03
PCT/EP2016/069774 WO2017036832A1 (fr) 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20151149.0A Division EP3699383B1 (fr) 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée

Publications (2)

Publication Number Publication Date
EP3344838A1 EP3344838A1 (fr) 2018-07-11
EP3344838B1 true EP3344838B1 (fr) 2020-02-12

Family

ID=54072685

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Application Number Title Priority Date Filing Date
EP16754288.5A Active EP3344838B1 (fr) 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée
EP20151149.0A Active EP3699383B1 (fr) 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20151149.0A Active EP3699383B1 (fr) 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée

Country Status (9)

Country Link
US (1) US11156030B2 (pl)
EP (2) EP3344838B1 (pl)
JP (1) JP6833824B2 (pl)
CN (2) CN111743354A (pl)
BR (1) BR112018003976B1 (pl)
DE (3) DE202016008432U1 (pl)
ES (1) ES2789356T3 (pl)
PL (1) PL3344838T3 (pl)
WO (1) WO2017036832A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3698002B1 (en) 2017-10-20 2022-06-01 AGC Glass Europe Gas-filled insulating glazing unit
FR3088087B1 (fr) * 2018-11-05 2020-11-06 Saint Gobain Vitrage isolant formant ouvrant de porte ou de fenetre, depourvu de cadre sur au moins une partie de son pourtour
IT201900006330A1 (it) * 2019-04-24 2020-10-24 Tgd Spa Vetrocamera trasparente di tipo migliorato
CN112336123B (zh) * 2019-08-09 2025-06-24 开利公司 用于制冷设备的玻璃组件
US12538989B2 (en) * 2020-11-12 2026-02-03 Hussmann Corporation Transparent door
CN113017275B (zh) * 2021-03-31 2022-04-22 深圳市优闪科技有限公司 一种可保护居民健康隐私的档案储存读取装置
EP4226810A1 (en) 2022-02-11 2023-08-16 Schott Ag Insulating unit, door, sidewall and chiller or freezer device

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EP2915460A1 (fr) * 2014-03-07 2015-09-09 AGC Glass Europe Elément vitré pour meuble d'enceinte réfrigérée

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Also Published As

Publication number Publication date
DE202016008432U1 (de) 2017-12-06
EP3699383B1 (fr) 2023-03-29
ES2789356T3 (es) 2020-10-26
CN111743354A (zh) 2020-10-09
JP2018535379A (ja) 2018-11-29
EP3344838A1 (fr) 2018-07-11
PL3344838T3 (pl) 2020-08-24
BR112018003976B1 (pt) 2022-08-30
US20180252022A1 (en) 2018-09-06
WO2017036832A1 (fr) 2017-03-09
DE202016009074U1 (de) 2021-12-16
JP6833824B2 (ja) 2021-02-24
US11156030B2 (en) 2021-10-26
BR112018003976A2 (pt) 2018-09-25
EP3699383A1 (fr) 2020-08-26
CN108474235A (zh) 2018-08-31
DE112016001081T5 (de) 2018-01-04

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