EP3699383B1 - Tür für möbelstück mit gekühltem aussenmantel - Google Patents

Tür für möbelstück mit gekühltem aussenmantel Download PDF

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Publication number
EP3699383B1
EP3699383B1 EP20151149.0A EP20151149A EP3699383B1 EP 3699383 B1 EP3699383 B1 EP 3699383B1 EP 20151149 A EP20151149 A EP 20151149A EP 3699383 B1 EP3699383 B1 EP 3699383B1
Authority
EP
European Patent Office
Prior art keywords
door
horizontal
vertical
transparent
spacers
Prior art date
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Active
Application number
EP20151149.0A
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English (en)
French (fr)
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EP3699383A1 (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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Publication date
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Publication of EP3699383A1 publication Critical patent/EP3699383A1/de
Application granted granted Critical
Publication of EP3699383B1 publication Critical patent/EP3699383B1/de
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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 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 which must be kept at temperatures below 10°C, such as foodstuffs, is often fitted with glazed elements which transform it into a refrigerated sales unit.
  • This furniture allows the viewing 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 cold chain before the product ends up in the possession of the consumer.
  • the enhancement of products and in particular 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 below 10°C).
  • the exhibition of products and more particularly foodstuffs has a primordial role in the sale of these products.
  • a good display requires in particular 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 the products which must be cooled or frozen.
  • the furniture should at least protect the products against thermal aggressions of all kinds, such as the closing and opening of doors.
  • the roles of displaying and preserving products at a determined temperature in refrigerated cabinets are in total contradiction since the consumer must be able to dispose of the products contained in the refrigerated cabinet by benefiting from refrigerated enclosure with a wide opening and brightly lit, and the merchant must ensure the quality of preservation of the products with the imperative of closing or reducing the openings of the cabinets as much as possible, the least possible lighting and more particularly the least thermal exchanges with the atmosphere of the store.
  • 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 document GB2162228 discloses a double glazing for a display case consisting of two sheets of glass held in a parallel position and spaced apart by spacers arranged between these sheets.
  • the spacers contain a drying material and are formed wholly or partly of 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 clutter of the frame associated with double glazing.
  • 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 clutter 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 disadvantages of the prior art.
  • an object of the invention in at least one of its embodiments, is to provide a refrigerated enclosure cabinet door that can be firmly 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 enclosure cabinet which makes it possible to maintain the required temperature inside the refrigerated enclosure cabinet while reducing the energy consumption to ensure effective conservation of the products contained in the refrigerated cabinet.
  • Another object of the invention is to produce a refrigerated enclosure cabinet door meeting the thermal insulation criteria of these types of cabinets and proposing an embodiment 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 offer a high-performance 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 role of display of the products contained in the cabinet of the refrigerated enclosure 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.
  • Another object 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 the mechanical point of view, the door for refrigerated enclosure cabinet according to the invention is also capable of withstanding significant mechanical stresses 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 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 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 designate 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 or rectilinear type or a combination of the two.
  • a traditional door is a door comprising a frame and a glazing.
  • the frame encompasses all or part of the periphery of the glazing, it consists 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 there is a temperature lower than the temperature of the environment around the cabinet.
  • multiple glazing is meant glazing comprising at least two sheets of glass.
  • the multiple glazing is double glazing or triple glazing. More preferably, it is double glazing comprising two sheets of glass.
  • the glass of the glazing sheets is a glass of the category of soda-silico-lime 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 is generally less thick than the other two.
  • the glass sheets are associated with each other via an intermediate frame.
  • the spacer frame refers to a rigid element arranged between the sheets of glass, which keeps them at a certain distance and which extends along the horizontal and vertical edges of the glazing.
  • the framework spacer 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.
  • the adjectives vertical and horizontal are intended to denote locations close to opposite edges, that is to say non-contiguous edges of the frame and/or of the glazing and which face each other.
  • the door comprises between the glass sheets, an internal space.
  • the internal space is bordered by the spacer frame and filled with a gas layer.
  • the gas in the internal space is an inert gas capable of thermally insulating the glazing.
  • a suitable inert gas is chosen for its lack of toxicity for living beings, corrosive nature with respect to the glazing, flammable nature and 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 layer 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.
  • 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 spacer 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 by 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 section.
  • profile is meant an object of elongated shape and 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 integrated 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 spacer 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 joint.
  • the fastening system is a device that allows the connection of the door with the enclosure furniture.
  • the fixing system is composed of at least one screw with a different function from that of the spacer frame described below.
  • the fastening system is composed of two screws, a plate equipped with a pivot and drilled with two holes in which the two screws.
  • the fastening system also comprises a self-closing system and a system limiting the opening of the door.
  • the door comprises a reinforcement, integral with the fastening system and inserted at least partially into at least one horizontal peripheral joint.
  • Reinforcement means a mechanical element whose function is to take up at least part of the mechanical stresses induced by the weight of the door and the forces of opening and closing the latter.
  • 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-shaped or L-shaped.
  • the material of the profile can be a metal, a polymer or a composite material. Examples of fastening are screws, clips, welds, gluing 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 dowel, a screw, or any other means. providing 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 combination of a metal, polymer, 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 of a profile of a nature and/or of a shape different from the horizontal spacer. Yet another variant consists in combining the horizontal spacer with sections 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.
  • secured is meant to designate an assembly which does not allow any degree of freedom between the two parts.
  • fastening are screws, clips, welds, gluing and pressure closure systems.
  • the connection will be made using screws or adhesives.
  • 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 securing.
  • the stiffening element is in contact with at least the second horizontal peripheral joint.
  • the bringing into contact is carried out on only part or on the whole of the external surface of this element.
  • the latter may be completely immersed in the second horizontal peripheral joint.
  • a second screw forming part of the fixing system crosses the second horizontal peripheral joint as well as the reinforcement, and extends into the stiffening element having a suitable shape for receiving the screw.
  • the second horizontal peripheral joint is a mastic with a structural function, such as silicone, polyurethane (PU), polysulphides, 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 joint is also called sealing joint.
  • structural function we mean the ability to transfer the mechanical stresses linked in particular to the weight of the glass sheets, to the stresses of thermal expansion as well as to the opening-closing movements.
  • the transparent spacer is formed from a transparent resin that is rigid at room temperature comprising a polymer chosen from 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.
  • rigid resin at room temperature 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 exhibits 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 tape made of acrylic polymer, rubber or silicone more commonly known as the designation “double-sided sticky tape of the “pressure sensitive adhesive” (PSA) or “transfer tape” type.
  • PSA pressure sensitive adhesive
  • crosslinkable adhesive of the acrylic or epoxy type.
  • the implementation is done in liquid or pasty form and the adhesive is crosslinked in situ between the glass sheet and the vertical spacer.
  • crosslinking 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, have a good performance in terms of impermeability to water vapor and gases and also have good adhesion to glass while resisting ultraviolet rays.
  • the transparent vertical peripheral seal is formed from a flexible transparent adhesive resin at room temperature as described above.
  • the first horizontal peripheral seal consists of a sealant based on polyisobutylene more commonly called 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 heat transfer coefficient of the glazing (calculated according to standard EN673 and ISO10292).
  • heat transfer coefficient Ug 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 environments, for example exterior and interior.
  • Ug layers of the low emissivity type deposited on the glass sheets and, preferably, on their inner faces, that is to say the faces in contact with the layer of gas.
  • Another factor is the nature of the insulating gas.
  • the glass sheets used can be coated with one or more metal 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 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 intended to designate 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 transparent resin from which the spacer is made.
  • examples of such primers are based on compounds from the silane family and compounds from the acrylic resin family.
  • VHB AP115 ® primer from the company 3M.
  • the reinforcement may be a closed or open section section U-shaped or L-shaped, rectangular or curved, which is inserted, at least in part , in the second peripheral seal.
  • the profile has a U-shaped or L-shaped section.
  • the profile can be made of steel, stainless steel or a 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 partially inserted into the second peripheral seal and rests on this horizontal spacer.
  • the insulating glazing comprises at least a first and a second glass sheets associated via the intermediate frame, said sheets being of different sizes and therefore being able to be staggered over part or all of the periphery of the 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 to also 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 as claimed, of which at least one sheet of glass is partially covered with a decorative layer chosen from among 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 refrigerated cabinet.
  • the fastening system is masked by the decorative layer deposited on the glass sheet.
  • a layer of enamel is deposited on the offset surface of the glazing and makes it possible to hide the fastening system from the view of an outside observer.
  • the glass sheets are tempered glass sheets or laminated glass sheets.
  • 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 glasses are presented with total thicknesses of glass (not including the thickness of the sheet(s) of PVB) 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 square or rectangular in section. More preferably, it is adhered to the horizontal spacer using double-sided acrylic adhesive tape.
  • the horizontal spacer can be a profile made up 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 comparable section to the first chamber.
  • the first chamber may also be hollow and contain the desiccant material.
  • 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 joints is of a different nature.
  • a door (1) has been produced according to the invention, which can be mounted on the refrigerated cabinet (2).
  • the door (1) is a double glazing (3) comprising a first (4) and a second (5) glass sheet of the soda-silico-lime type of dimensions 1700 mm ⁇ 600 mm and each having a thickness of 4 mm.
  • the glass sheets (4) and (5) were then tempered.
  • the spacer 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 material is integrated into the matrix of the Super Spacer ® spacer.
  • a polyisobutylene bead 1 mm thick, has been placed over the entire length of the horizontal spacers (12) as shown in figure 4 .
  • This polyisobutylene bead acts as the first double horizontal peripheral seal (8).
  • a seal in the form of double-sided 3M VHB ® 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 the picture 3 .
  • a 3M ® AP 115 silane type primer was deposited at each interface.
  • an internal space (7) comprising a layer of an argon-type insulating gas is closed by the spacer frame (6).
  • the Argon concentration is 85%.
  • a U-section, 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 joint (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 were inserted . The screws are also inserted into the silicone seal (9) and the U-profile (14). This fastening system (13) made it possible to secure the door (1) to the refrigerated cabinet (2).
  • Two specimens are produced, each from two rectangular plates of silico-sodo-lime float glass, one of which has been coated beforehand (on one side) with a low-emissivity layer TopN+T.
  • One of the two faces of the non-pre-coated wafer and the pre-coated face 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 slabs so as to cover its entire width in the central position of the slab, 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 to the other face of the tape already glued to the first glass plate so that the glass plates form between them an angle of 90°.
  • a glass/low-e layer/primer/double-sided tape/primer/glass stack was thus produced.
  • a reference specimen and a specimen 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 specimen and a specimen with primer were not subjected to this conditioning.
  • test specimens were then subjected to a mechanical test consisting in tensing the two glass plates of each test specimen.
  • the test was carried out under a controlled atmosphere at a temperature of 25°C and 50% RH. 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 tearing and complete separation of the two wafers was measured.
  • the rupture is of the cohesive type inside the material of the tape, except in the case of the sample without primer having undergone conditioning.
  • the latter presents a phenomenon of delamination 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)
  • Freezers Or Refrigerated Showcases (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Wing Frames And Configurations (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)

Claims (21)

  1. Tür (1) für ein Möbel mit gekühltem Außenmantel (2), umfassend:
    a. mindestens eine Mehrfachisolierverglasung (3), die aus mindestens einer ersten (4) und einer zweiten Glasscheibe (5) besteht, die einander über einen Zwischenrahmen (6) zugeordnet sind, der sie in einem bestimmten Abstand voneinander hält, wobei sich der Rahmen (6) entlang der horizontalen und vertikalen Ränder der Verglasung erstreckt,
    b. zwischen den mindestens zwei Glasscheiben mindestens einen Innenraum (7) mit einer Füllung aus einem isolierenden Gas, der durch mindestens eine erste (8) und eine zweite Randdichtung (9) an den horizontalen Rändern und mindestens eine Randdichtung (10) an den vertikalen Rändern geschlossen wird, wobei die Randdichtungen um den Innenraum (7) herum angeordnet sind, wobei der Zwischenrahmen (6) mindestens zwei vertikale Abstandhalter (11) und mindestens zwei horizontale Abstandhalter (12) umfasst,
    wobei mindestens ein vertikaler Abstandhalter (11) aus einem transparenten Harz ausgeführt ist,
    wobei mindestens eine vertikale Randdichtung (10) transparent ist,
    wobei die horizontalen Abstandhalter (12) aus mindestens einem Profil bestehen,
    die Abstandhalter (11, 12) sind untereinander verbunden, um den Zwischenrahmen (6) zu bilden, dadurch gekennzeichnet, dass
    a) mindestens ein Befestigungssystem (13), das die Tür (1) fest mit dem Möbel mit Außenmantel (2) verbindet, zumindest teilweise in mindestens eine horizontale Randdichtung (9) eingesetzt ist,
    b) die Tür (1) eine Verstärkung (14) umfasst, die mit dem Befestigungssystem fest verbunden ist und verschieden von dem für die horizontalen Abstandhalter (12) verwendeten Profil ist,
    c) der Zwischenrahmen (6), die Randdichtungen (8, 9, 10) und die Verstärkung (14) den Rahmen einer konventionellen Tür ersetzen und dessen Funktionen erfüllen.
  2. Tür (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Verstärkung (14) mindestens teilweise in mindestens eine horizontale Randdichtung (9) eingesetzt ist.
  3. Tür (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Verstärkung (14) in Form eines Profils mit U- oder L-förmigem Querschnitt vorliegt.
  4. Tür (1) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Verstärkung (14) in Form eines Profils aus Metall, Polymer oder einem Verbundwerkstoff vorliegt.
  5. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die vertikalen Abstandhalter (11) mit den horizontalen Abstandhaltern (12) mittels mindestens eines Aussteifungselements (15) verbunden sind.
  6. Tür (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das Aussteifungselement (15) mit mindestens einer Verstärkung (14) fest verbunden ist.
  7. Tür (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Verstärkung (14) in das Aussteifungselement (15) übergeht.
  8. Tür (1) nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass das Aussteifungselement (15) mit mindestens der zweiten horizontalen Randdichtung (9) in Kontakt steht.
  9. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich das Befestigungssystem (13) in mindestens eines der folgenden Teile verlängert:
    a. ein Aussteifungselement (15),
    b. einen horizontalen Abstandhalter (12).
  10. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das transparente Harz ein Polymethylmethacrylat, ein Polycarbonat, ein Polystyrol, ein Polyvinylchlorid, ein Polyamid, ein Polyetherimid, ein Polyethylenterephthalat, ein Styrol-Acrylnitril-Copolymer, ihre Copolymere oder ein Gemisch aus diesen Verbindungen ist.
  11. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die vertikale transparente Randdichtung (10) gewählt ist unter:
    a. einem doppelseitigen Band:
    i. aus Acrylpolymer
    ii. aus Kautschuk,
    iii. aus Silikon,
    b. einem Klebstoff auf der Basis von Polyisobutylen,
    c. einem vernetzbaren Acryl- oder Epoxidharzklebstoff.
  12. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Befestigungssystem (13) aus mindestens einer Schraube besteht.
  13. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verglasung (3) einen Wärmedurchgangskoeffizienten Ug zwischen 0,3 und 1,8 W/m2 aufweist.
  14. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Grundierungsschicht angeordnet ist zwischen mindestens:
    a. der transparenten Dichtung (10) und dem vertikalen Abstandhalter (11),
    b. der transparenten Dichtung (10) und der Glasscheibe (4, 5).
  15. Tür (1) nach einem der Ansprüche 5 bis 14, dadurch gekennzeichnet, dass das Aussteifungselement (15) mit den vertikalen (11) und/oder horizontalen (12) Abstandhaltern durch mindestens eines der folgenden Elemente verbunden ist:
    a. eine Schraube (17) aus Stahl, aus verzinktem Stahl, aus Edelstahl oder aus Bronze,
    b. ein Haftmittel, das unter den Dichtmassen auf Polyisobutylenbasis, den vernetzbaren Acrylpolymerklebstoffen, den vernetzbaren Epoxidharzklebstoffen, den doppelseitigen Klebebändern aus Acrylpolymer gewählt ist.
  16. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die eine der Glasscheiben in Bezug auf die andere Glasscheibe versetzt ist.
  17. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens eine Glasscheibe (4, 5) teilweise mit einer Dekorschicht (16) überzogen ist, die unter den keramischen Druckfarben und den organischen Druckfarben gewählt ist.
  18. Tür (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das Befestigungssystem (13) durch die auf die Glasscheibe (4, 5) aufgebrachte Dekorschicht (16) verdeckt wird.
  19. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Glasscheiben (4, 5) vorgespannt und/oder zu Verbundsicherheitsglas laminiert sind.
  20. Tür (1) nach einem der Ansprüche 5 bis 19, dadurch gekennzeichnet, dass das Aussteifungselement (15) eine Profilform hat, die sich über die gesamte Länge mindestens eines horizontalen Abstandhalters (12) erstreckt.
  21. Tür (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine zweite vertikale transparente Randdichtung (18) an die folgenden Elemente angrenzt:
    a. die vertikale transparente Randdichtung (10);
    b. den vertikalen transparenten Abstandhalter (11);
    c. die beiden Glasscheiben (4, 5).
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
EP16754288.5A EP3344838B1 (de) 2015-09-03 2016-08-22 Tür für möbelstück mit gekühltem aussenmantel
PCT/EP2016/069774 WO2017036832A1 (fr) 2015-09-03 2016-08-22 Porte de meuble d'enceinte réfrigérée

Related Parent Applications (1)

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EP3699383B1 true EP3699383B1 (de) 2023-03-29

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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)

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EP4226810A1 (de) 2022-02-11 2023-08-16 Schott Ag Isoliereinheit, tür, seitenwand und kühl- oder gefriervorrichtung

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Also Published As

Publication number Publication date
JP2018535379A (ja) 2018-11-29
EP3344838A1 (de) 2018-07-11
WO2017036832A1 (fr) 2017-03-09
BR112018003976B1 (pt) 2022-08-30
US11156030B2 (en) 2021-10-26
DE112016001081T5 (de) 2018-01-04
ES2789356T3 (es) 2020-10-26
CN108474235A (zh) 2018-08-31
JP6833824B2 (ja) 2021-02-24
DE202016008432U1 (de) 2017-12-06
EP3699383A1 (de) 2020-08-26
BR112018003976A2 (pt) 2018-09-25
DE202016009074U1 (de) 2021-12-16
CN111743354A (zh) 2020-10-09
PL3344838T3 (pl) 2020-08-24
EP3344838B1 (de) 2020-02-12
US20180252022A1 (en) 2018-09-06

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