EP3699383A1 - Tür für möbelstück mit gekühltem aussenmantel - Google Patents

Tür für möbelstück mit gekühltem aussenmantel Download PDF

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Publication number
EP3699383A1
EP3699383A1 EP20151149.0A EP20151149A EP3699383A1 EP 3699383 A1 EP3699383 A1 EP 3699383A1 EP 20151149 A EP20151149 A EP 20151149A EP 3699383 A1 EP3699383 A1 EP 3699383A1
Authority
EP
European Patent Office
Prior art keywords
door
horizontal
vertical
glass
transparent
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.)
Granted
Application number
EP20151149.0A
Other languages
English (en)
French (fr)
Other versions
EP3699383B1 (de
Inventor
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
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AGC Glass Europe SA
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Filing date
Publication date
Application filed by AGC Glass Europe SA filed Critical AGC Glass Europe SA
Publication of EP3699383A1 publication Critical patent/EP3699383A1/de
Application granted granted Critical
Publication of EP3699383B1 publication Critical patent/EP3699383B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66342—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
    • 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 glazed elements. These doors can be used in applications such as refrigerator doors and freezer doors.
  • the refrigerated cabinet also called refrigerated cabinet used in most commercial premises to offer for sale and / or consumption products that must be stored at temperatures below 10 ° C, such as foodstuffs, is often equipped with glazed elements which transforms it into refrigerated sales cabinet. These pieces of furniture allow the display of the products by the consumer / customer and in particular a self-service use while keeping the products at a determined temperature.
  • the refrigerated cabinet thus represents the last link in the food refrigeration chain before the product ends up in the possession of the consumer. The promotion of products and especially foodstuffs is essential but this must not be done to the detriment of the quality of their conservation.
  • 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 exhibition of products and more particularly of foodstuffs has a primordial role in the sale of these products.
  • Good exposure depends in particular on 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 a minimum protect the products against thermal attacks of all kinds, such as closing and opening doors.
  • the roles of displaying and preserving products at a determined temperature in refrigerated enclosure cabinets are in total contradiction since the consumer must be able to dispose of the products contained in the refrigerated enclosure cabinet while benefiting from the cabinet.
  • the document GB2162228 discloses a double glazing for a showcase consisting of two sheets of glass held in parallel position and spaced apart by spacers arranged between these sheets.
  • the spacers contain a drying material and are formed in whole or in part from transparent resinous material to allow good visibility of the merchandise held in the display case and to prevent the formation of condensation on the interior surfaces of the glass sheets.
  • the document GB2162228 does not deal with the problem of reducing the visual and spatial dimensions of the frame associated with the double glazing.
  • the patent application WO2014009244A1 discloses a refrigerated cabinet door comprising at least two glasses surrounded by frame elements on the horizontal and / or vertical edges.
  • the frame elements generate visual bulk and are also a thermal bridge between the inside and the outside of the refrigerated cabinet.
  • the object of the invention is in particular to overcome these drawbacks of the prior art.
  • an objective of the invention in at least one of its embodiments, is to provide a refrigerated cabinet 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 a refrigerated cabinet cabinet which makes it possible to maintain the required temperature inside the refrigerated cabinet cabinet while reducing the temperature. energy consumption to ensure efficient conservation of the products contained in the refrigerated cabinet.
  • Another objective of the invention is to produce a refrigerated enclosure cabinet door meeting the thermal insulation criteria of these types of furniture and offering an embodiment that is easy to use and economically advantageous.
  • the use of transparent polymer-type materials and the elimination of metal frame elements associated with glazed elements make it possible to offer a high-performance solution from the point of view of thermal insulation.
  • Another objective of the invention is to provide such a door which makes it possible to optimize the role of exposure 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 seal and / or an opaque vertical frame. The visualization of products intended for sale is therefore improved.
  • Another objective of the invention is to provide a refrigerated enclosure cabinet door meeting the mechanical strength criteria of these types of cabinets.
  • 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 a mechanical point of view, the door for refrigerated enclosure cabinet according to the invention is also able to withstand significant mechanical forces such as several hundreds of thousands of opening / closing cycles. without requiring the use of frame elements present in association with the glazing of a traditional door.
  • Another objective of the invention is to be able to be implemented on refrigerated cabinets already in service in order to enable them to meet the current energy efficiency criteria of this type of cabinet 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 the frame element of traditional doors and to fulfill their functions which are : possible opening and maintenance of the glazing.
  • the term door is intended to denote a system for opening / closing the cabinet and by extension, the opening part of the cabinet only.
  • the system can indifferently comprise 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 encompasses all or part of the periphery of the glazing, it is made up of frame elements providing the functions of opening, maintaining and supporting the glazing.
  • the refrigerated enclosure designates a closed space partly delimited by the door and in which a temperature is lower than the ambient temperature around the cabinet.
  • multiple glazing is meant 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 in the glazing sheets is a glass of the soda-silica-calcium glass category well known in window applications.
  • the thickness of the glass sheets is generally in the range of 0.5 to 15mm.
  • the central sheet In the case of triple glazing, the central sheet generally has a thickness less than the other two.
  • insulating multiple glazing is meant a multiple glazing limiting the heat exchanges between the refrigerated enclosure and the environment around the cabinet.
  • the glass sheets are associated with one another by means of an intermediate frame.
  • the intermediate frame designates a rigid element arranged between the glass sheets, which keeps them at a certain distance and which extends along the horizontal and vertical edges of the glazing.
  • the framework also has the function of helping to stiffen 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.
  • the door comprises between the glass sheets, an internal space.
  • the internal space is bordered by the intermediate frame and filled with a gas layer.
  • the gas of 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 a corrosive nature towards the glazing, of flammability 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 plate of an insulating gas comprising at least 85% argon.
  • peripheral seals are seals arranged around the internal space, provide sealing and contribute to the mechanical strength of the door. At least a first and a second peripheral seal 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. Likewise, at least one peripheral seal is located on the vertical edges. This last seal is also a double seal 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 denotes a property illustrating the percentage T L (light transmission) of visible light transmitted to through the glazing in the visible spectrum of at least 1%.
  • transparent refers to a property of T L of at least 10%.
  • transparent denotes a T L of at least 50%.
  • At least one peripheral seal on at least one vertical edge is also transparent.
  • the horizontal spacers consist 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 composed mainly 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 suitable for 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 fastening 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 seal.
  • the fixing system is a device that allows the door to be secured to the speaker cabinet.
  • 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, a plate equipped with a pivot and drilled with two holes into which the two screws.
  • the fixing system also comprises 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 in at least one horizontal peripheral seal.
  • reinforcement is understood to mean a mechanical element which has the function of at least partially absorbing the mechanical stresses induced by the weight of the door and the forces of opening and closing 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 securing are screws, clips, welds, glues and pressure 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 plug, a screw, or any other means. ensuring the connection between said spacers.
  • the stiffening element comprises the association of a metal, polymeric, ceramic or composite material part with a means ensuring the connection with the spacers.
  • the stiffening element comprises the association of a metal, polymeric, ceramic or composite material part with several means ensuring the connection with the spacers.
  • the adhesive can be selected from crosslinkable acrylic polymer glues, crosslinkable epoxy glues, double-sided acrylic polymer adhesive tapes and polyisobutylene-based adhesives.
  • the screw can be made of steel, zinc-plated 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 still consists in combining the horizontal spacer with pieces of profiles arranged discontinuously forming studs which make up the stiffening element.
  • the stiffening element is composed of at least one part which is made integral with at least one reinforcement.
  • the term “solidarized” is understood to denote an assembly which does not allow any degree of freedom between the two parts.
  • securing are screws, clips, welds, glues and pressure closure systems.
  • the securing will be done 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 profile 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 allowing this joining.
  • the stiffening element is in contact with at least the second horizontal peripheral seal.
  • the contacting is carried out on only part or on the whole of the external surface of this element. For example, in the case of a profile of square or rectangular section, the latter could be completely immersed in the second horizontal peripheral seal.
  • a second screw forming part of the fastening system passes through the second horizontal peripheral seal as well as the reinforcement, and extends into the stiffening element having an appropriate shape for receiving 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 and adhesion to glass properties.
  • This second peripheral seal is also called a sealing seal.
  • structural function is understood to mean the ability to transfer the mechanical stresses linked in particular to the weight of the glass sheets, to thermal expansion stresses and to opening-closing movements.
  • the transparent spacer is formed from a transparent resin rigid at room temperature comprising a polymer chosen from a polymethyl methacrylate (PMMA), a polycarbonate (PC), a polystyrene ( PS), a polyvinyl chloride (PVC), a polyamide (PA), a polyetherimide (PEI), polyethylene terephthalate (PET), a styrene-acrylonitrile copolymer (SAN), their copolymers or a mixture of these compounds.
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • PS polystyrene
  • PVC 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.
  • resin rigid at room temperature is understood to denote a resin which has, at room temperature, a longitudinal modulus of elasticity (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 a polyisobutylene-based adhesive, a double-sided strip of acrylic polymer, rubber or silicone more commonly known as the name "double-sided adhesive tape of the" pressure sensitive adhesive "(PSA) or” transfer tape "type.
  • a flexible transparent adhesive resin at room temperature chosen from a polyisobutylene-based adhesive, a double-sided strip of acrylic polymer, rubber or silicone more commonly known as the name “double-sided adhesive tape of the" pressure sensitive adhesive "(PSA) or” transfer tape "type.
  • 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 meant the fact of forming in situ 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 impermeability and further exhibit good adhesion to glass while being resistant to ultraviolet rays.
  • the transparent vertical peripheral seal is formed from a transparent adhesive resin flexible at room temperature as described above.
  • the first horizontal peripheral seal is made of a polyisobutylene-based mastic more commonly known as butyl or a double-sided strip of acrylic polymer, rubber or silicone, or a combination of both. This type of seal is particularly effective in terms of sealing against water vapor and gases.
  • 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
  • the term “heat transfer coefficient Ug” is understood to mean the quantity of heat passing through the glazing, in steady state, per unit area, for a difference of one degree Celsius between the environments, for example exterior and interior.
  • 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® diapers are preferred.
  • the insulating glazing has a heat transfer coefficient Ug of at least 0.3, preferably of at least 0.6 and of most preferably at least 1.0 W / m 2 .
  • the heat transfer coefficient Ug is generally at most 1.8 W / m 2 .
  • a layer of primer is placed both between the transparent seal and the vertical spacer and between the transparent seal and the glass sheet.
  • primer layer is understood to denote a layer of an organic product which adheres well to the peripheral seal and which has selective adhesive properties with respect to the glass or the transparent resin from which the spacer is produced.
  • examples of such primers are based on compounds of the family of silanes and compounds of the family of acrylic resins.
  • good adhesion is understood to mean an adhesion which requires a positive pull-out force to separate the two assembled parts and of which 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 may be a closed or open profile with a U-shaped or L-shaped, rectangular or curved section, which is inserted, at least in part. , in the second peripheral seal.
  • the profile is of U-shaped or L-shaped 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 is generally the same length as the horizontal spacer. It is at least partly inserted into the second peripheral seal and comes to rest on this horizontal spacer.
  • the insulating glazing comprises at least a first and a second glass sheets associated by means of the intermediate frame, said sheets being of different sizes and therefore being able to be offset over part or over the entire periphery of the glazing.
  • This is referred to as 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 fastening 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 offset part of the glass in order to avoid the appearance of condensation at the edge of the glazing.
  • the invention also relates to a door of which at least one sheet of glass is partially covered with a decorative layer chosen from ceramic inks and organic inks.
  • the decorative layer is an opaque ceramic ink, more commonly known as enamel, which masks the insert-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 refrigerated cabinet.
  • the fixing system is masked by the decorative layer deposited on the sheet of glass.
  • a layer of enamel 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 sheets of tempered glass or sheets of laminated glass.
  • the latter comprise a stack of at least one sheet of polyvinyl butyral (PVB) plastic material sandwiched between two sheets of glass.
  • PVB polyvinyl butyral
  • Such stacks of laminated glass come with total glass thicknesses (not including the thickness of the PVB sheet (s)) ranging from 4 mm up to and including 24 mm.
  • the stiffening element has the shape of a profile extending over the entire length of at least one horizontal spacer.
  • the stiffening element is a section of square or rectangular section. More preferably, it is glued to the horizontal spacer using a double-sided acrylic adhesive tape.
  • the reinforcement can also be an integral part of the horizontal spacer.
  • the horizontal spacer can be a section 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 acts as a reinforcement.
  • the second chamber may 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 above. However, it is important that the material of each of the two seals is of a different nature.
  • a door (1) has been produced, according to the invention, which can be mounted on the refrigeration cabinet (2).
  • the door (1) is a double glazing (3) comprising a first (4) and a second (5) sheet of soda-silica-calcium type glass with dimensions of 1700 mm x 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 of two horizontal spacers (12) Super Spacer® from the firm Edgetech and two transparent vertical spacers (11) in PMMA as illustrated in figure 5 .
  • the dimensioning of the horizontal spacers (12) is as follows: length 580 mm x thickness 14 mm x height 7 mm.
  • the dimensioning of the vertical spacers (11) is as follows: length 1700 mm x thickness 12 mm x height 10 mm.
  • the desiccant is integrated into the matrix of the Super Spacer® spacer.
  • a polyisobutylene bead 1 mm thick was placed over the entire length of the horizontal spacers (12) as illustrated in figure 4 .
  • This polyisobutylene bead acts as the first double horizontal peripheral seal (8).
  • a joint in the form of 3M VHB® double-sided acrylic adhesive tape 4918 2 mm thick and 10 mm high was deposited over the entire length of the vertical spacers (11) as shown in figure 3 .
  • a primer of the 3M® AP 115 silane type was applied 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%.
  • silicone seal silicone Dow Corning® 3362 (hereinafter referred to as “silicone seal”), was placed along the horizontal edges, and is contiguous with the horizontal spacers (12), to the first seal horizontal peripheral (8) and the two glass sheets (4, 5).
  • the stiffening element (15) has also been immersed in the silicone seal (9).
  • a U-shaped profile, having the role of reinforcement (14), is 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 partially inserted in the second horizontal peripheral seal (9) as well as in the reinforcement (14).
  • the fixing system (13) was made up of the following elements: two screws 5 mm in diameter, and a pivot piece adjacent to the silicone seal (9) and equipped with two holes where the two screws are inserted. .
  • the screws are also inserted into the silicone seal (9) and the U-profile (14). This fixing system (13) made it possible to secure the door (1) to the refrigeration cabinet (2).
  • test pieces are produced, each from two rectangular plates of soda-lime-silica float glass, one of which has previously been coated (on one side) with a TopN + T low-emissive layer.
  • One of the two sides of the non-pre-coated wafer and the pre-coated side of the second wafer are cleaned with 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 25 x 10 mm strip of tape 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 entrapment 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 face of the tape already glued on the first glass plate so that the glass plates form an angle of 90 ° between them.
  • a stack of glass / low-e layer / primer / double-sided tape / primer / glass was thus produced.
  • Two reference test pieces were produced in a similar manner, omitting the step of applying the primer.
  • a glass / low-e layer / double-sided tape / glass stack was thus produced.
  • a reference test tube and a test tube with primer were placed for 336 hours in a chamber under a controlled atmosphere at a temperature of 70 ° C and 100% RH
  • a reference test tube and a test tube with primer were not subjected to this conditioning.
  • test pieces were then subjected to a mechanical test consisting in putting in traction 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 pull was exerted in a direction perpendicular to the surface of each of the 2 sheets of glass and the pulling force necessary to cause the tearing and complete separation of the two wafers was measured.
  • Table 1 Test tube Breakout force (N) Without packaging With packaging reference > 30 0 (adhesive break) with primer > 30 > 20
  • the rupture is of the cohesive type inside the material of the tape, except in the case of the sample without primer which has undergone conditioning.
  • the latter presents a phenomenon of delamination of the adhesive from the packaging 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)
EP20151149.0A 2015-09-03 2016-08-22 Tür für möbelstück mit gekühltem aussenmantel Active EP3699383B1 (de)

Applications Claiming Priority (3)

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
EP16754288.5A EP3344838B1 (de) 2015-09-03 2016-08-22 Tür für möbelstück mit gekühltem aussenmantel

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP16754288.5A Division EP3344838B1 (de) 2015-09-03 2016-08-22 Tür für möbelstück mit gekühltem aussenmantel

Publications (2)

Publication Number Publication Date
EP3699383A1 true EP3699383A1 (de) 2020-08-26
EP3699383B1 EP3699383B1 (de) 2023-03-29

Family

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EP16754288.5A Active EP3344838B1 (de) 2015-09-03 2016-08-22 Tür für möbelstück mit gekühltem aussenmantel
EP20151149.0A Active EP3699383B1 (de) 2015-09-03 2016-08-22 Tür für möbelstück mit gekühltem aussenmantel

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EP16754288.5A Active EP3344838B1 (de) 2015-09-03 2016-08-22 Tür für möbelstück mit gekühltem aussenmantel

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US (1) US11156030B2 (de)
EP (2) EP3344838B1 (de)
JP (1) JP6833824B2 (de)
CN (2) CN108474235A (de)
BR (1) BR112018003976B1 (de)
DE (3) DE202016009074U1 (de)
ES (1) ES2789356T3 (de)
PL (1) PL3344838T3 (de)
WO (1) WO2017036832A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019076804A1 (en) 2017-10-20 2019-04-25 Agc Glass Europe INSULATING GLAZING UNIT FILLED WITH GAS
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
CN112336123A (zh) * 2019-08-09 2021-02-09 开利公司 用于制冷设备的玻璃组件
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 (de) 2022-02-11 2023-08-16 Schott Ag Isoliereinheit, tür, seitenwand und kühl- oder gefriervorrichtung

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US20150151511A1 (en) * 2013-11-28 2015-06-04 Albert Weiss Composite Disc
EP2915460A1 (de) * 2014-03-07 2015-09-09 AGC Glass Europe Glaselement für Möbelstück mit gekühltem Außenmantel

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GB2162228A (en) 1984-07-25 1986-01-29 Sanden Corp Double-glazed window for a refrigerator
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US20150151511A1 (en) * 2013-11-28 2015-06-04 Albert Weiss Composite Disc
EP2915460A1 (de) * 2014-03-07 2015-09-09 AGC Glass Europe Glaselement für Möbelstück mit gekühltem Außenmantel

Also Published As

Publication number Publication date
CN108474235A (zh) 2018-08-31
EP3344838A1 (de) 2018-07-11
CN111743354A (zh) 2020-10-09
ES2789356T3 (es) 2020-10-26
DE112016001081T5 (de) 2018-01-04
WO2017036832A1 (fr) 2017-03-09
JP2018535379A (ja) 2018-11-29
JP6833824B2 (ja) 2021-02-24
US20180252022A1 (en) 2018-09-06
BR112018003976A2 (pt) 2018-09-25
BR112018003976B1 (pt) 2022-08-30
EP3344838B1 (de) 2020-02-12
DE202016008432U1 (de) 2017-12-06
DE202016009074U1 (de) 2021-12-16
PL3344838T3 (pl) 2020-08-24
US11156030B2 (en) 2021-10-26
EP3699383B1 (de) 2023-03-29

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