EP2872837B1 - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
EP2872837B1
EP2872837B1 EP13736852.8A EP13736852A EP2872837B1 EP 2872837 B1 EP2872837 B1 EP 2872837B1 EP 13736852 A EP13736852 A EP 13736852A EP 2872837 B1 EP2872837 B1 EP 2872837B1
Authority
EP
European Patent Office
Prior art keywords
refrigerator
transparent
spacer element
glass panes
adhesive
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
EP13736852.8A
Other languages
German (de)
French (fr)
Other versions
EP2872837A1 (en
Inventor
Paul Isfort
Simon SWIDERSKI
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.)
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
Original Assignee
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
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Application filed by Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH filed Critical Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
Priority to EP24168391.1A priority Critical patent/EP4386169A2/en
Publication of EP2872837A1 publication Critical patent/EP2872837A1/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B21D41/026—Enlarging by means of mandrels
    • B21D41/028—Enlarging by means of mandrels expandable mandrels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/043—Doors, covers
    • 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
    • E06B3/025—Wings made completely of glass consisting of multiple glazing units
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/18—Aesthetic features

Definitions

  • the invention relates to a refrigerator, in particular a commercial refrigerator, for storing food.
  • a refrigerator is a refrigerated cabinet that has its own cooling unit or is connected to a remote cooling unit.
  • the refrigerator keeps the cooling chamber at temperatures below the room temperature surrounding the refrigerator.
  • a refrigerator also includes so-called freezer cabinets in which frozen food is stored at a temperature of, for example, -18°C and lower.
  • the refrigerator has a vertically aligned cooling chamber in which several shelves are arranged one above the other.
  • Such a refrigerator is used, for example, in the EP 0 138 782 A1 revealed.
  • the US 4,660,903 A describes a refrigerated display case with several multi-glazed sides.
  • the refrigerator has an access opening in a vertical plane that can be closed by at least one pivoting or sliding refrigerator door.
  • the refrigerator door has multiple glazing that consists of at least two transparent glass panes spaced apart from one another. The distance between the two glass panes is set by spacer elements arranged at the edge between the glass panes. Furthermore, the two glass panes of a refrigerator door are enclosed by frame elements that support the glass panes and on which the refrigerator door is suspended.
  • Both the spacer elements and the frame elements usually consist of metal profiles that have a non-transparent Form a door frame around the glass panes. This door frame limits the view from outside of the refrigerator compartment or the food on the shelves.
  • the invention is therefore based on the object of creating a refrigerator with an improved view of its cooling compartment from the outside. This object is achieved by a refrigerator according to claim 1.
  • a vertical transparent spacer element made of a transparent material is provided on at least one transparent vertical edge of the refrigerator door, with no frame element being provided on the transparent vertical edge to enclose the glass panes at the edges.
  • the transparent vertical edge of the respective refrigerator door is the vertical edge of the closed refrigerator door in the middle of the access opening, i.e. the vertical edge that can most impair the view of the refrigerator compartment from the outside. Since no supporting frame element is provided on the transparent vertical edge, the transparency of the transparent vertical edge is significantly improved.
  • the vertical transparent spacer element connects the two panes of glass and keeps the panes of glass at a defined distance from each other.
  • the transparent spacer element seals the space between the two parallel panes of glass from the environment, so that the gas in the space between the panes of glass cannot escape and humidity from the environment cannot enter it.
  • the vertical transparent spacer element has a sealing function rather than a supporting function. This arrangement achieves maximum transparency of the glass pane unit from all observation angles.
  • the vertical transparent spacer element is preferably made of silicone, PMMA, polycarbonate or another transparent thermoplastic.
  • the transparent spacer element preferably has a certain degree of elasticity in order to ensure that the transparent spacer element rests as seamlessly and evenly as possible on the adjacent glass pane, even over a long period of time and under impact loads.
  • Thermoplastics are plastics that can be deformed within a certain temperature range.
  • Polycarbonate is the preferred material for manufacturing the vertical spacer element. Polycarbonate has very good thermal insulation properties and remains transparent and color-stable over a long period of time.
  • the edge connection between the transparent spacer element on the one hand and the two glass panes on the other hand is formed with a material bond.
  • the spacer element and the glass panes are particularly preferably bonded together using an adhesive.
  • This adhesive connection forms a mechanical connection and a gas-tight seal.
  • the adhesive is preferably acrylic-based, as such adhesives have good long-term properties in terms of their transparency, tightness and adhesion.
  • the space between the panes of glass is preferably sealed gas-tight and serves primarily for thermal insulation.
  • a heat-insulating gas is preferably located between the panes.
  • the insulating gas is preferably the noble gas argon. Since argon has a relatively large molecular size, argon gas cannot diffuse through the transparent spacer element or the adhesive, or can only diffuse very slowly.
  • a separate sealing strip consisting of a sealing compound is provided distally of the transparent spacer element.
  • the sealing compound borders on the spacer element and closes the gap between the two panes of glass at the edge.
  • the sealing strip does not have to provide high holding forces for a reliable mechanical connection between the two panes of glass, but primarily serves to seal the gap between the panes of glass in a sufficiently gas-tight manner.
  • the sealing compound is preferably transparent.
  • the sealing compound can be identical to the spacer element adhesive.
  • the sealing compound is not identical to the spacer element adhesive and preferably consists of butyl rubber.
  • the refrigerator door has separate frame elements on its upper and lower horizontal edges, which encompass and enclose the respective front sides of the glass panes.
  • the frame elements are non-transparent, and are made of metal.
  • the spacer elements associated with the relevant frame elements can also be made of a non-transparent material that does not correspond to the material of the transparent spacer element.
  • the second vertical side of the refrigerator door which is opposite the transparent vertical side and is arranged on the edge of the access opening when the refrigerator door is closed, can also be equipped with a separate frame element and a spacer element, whereby both the frame element and the spacer element can be non-transparent, i.e. can consist of metal profiles, for example.
  • the spacer element preferably has an adhesive groove that is filled with the spacer element adhesive.
  • the adhesive in the adhesive groove connects the glass pane in question and the spacer element to one another in a material-locking and largely gas-tight manner.
  • the adhesive groove can have a round, oval, curved or diamond-shaped cross-section.
  • the adhesive groove extends essentially in the longitudinal direction of the transparent spacer element, i.e. vertically over the entire length of the spacer element. Alternatively or additionally, grooves for receiving sealing elements, Sealing lips etc. must be provided.
  • the glass panes are preferably made of anti-reflective glass, preferably laminated safety glass.
  • the coating results in low light reflection and good transparency and translucency.
  • both glass panes do not have to have an expensive anti-reflective coating.
  • at least one glass pane has an anti-reflective coating.
  • the glass pane on the outside has an anti-reflective coating on its inside.
  • an impact protection strip is provided on the transparent vertical edge, which completely covers the front surfaces of the two glass panes.
  • the impact protection strip preferably has a total width that is at least the sum of the two pane thicknesses and the distance between the panes, so that the impact protection strip completely covers the front surfaces of the glass panes and preferably ends flush with the outsides of the two glass panes.
  • the impact protection strip essentially has the function of protecting the front surfaces of the two glass panes on the transparent vertical edge from mechanical damage.
  • the impact protection strip preferably has a rectangular basic shape, but can have a convex curvature on the front side facing away from the glass pane. This curvature of the impact protection strip allows lateral impacts to be better absorbed and damage to the glass panes to be better avoided.
  • the transparent The spacer element is made in one piece with the impact protection strip and together with it forms a T-shaped profile.
  • the one-piece design of the spacer element together with the impact protection strip significantly extends the leakage path, which improves the sealing of the space between the glass panes to prevent gas from escaping from the space between the glass panes.
  • the appearance is particularly smooth.
  • the parallel glass panes are held in a defined position relative to one another during assembly by the T-shaped profile in cross section. Since the impact protection strip acts as a stop for the front surfaces of the glass panes, the T-shaped profile can be designed as an extruded or pressed profile, for example.
  • a refrigerator 10 is shown, the cooling chamber 14 of which is cooled to temperatures above 0°C, for example to +5°C.
  • the invention can also relate to a refrigerator 10, the cooling chamber 14 of which is cooled to temperatures below 0°C, for example to -18°C.
  • the refrigerator 10 has a cabinet body 12 that surrounds the cooling chamber 14. In the cooling chamber 14, several shelves 18 that are accessible from the front are arranged one above the other, on which food 20 can be stored.
  • the cabinet body 12 has a large access opening 16 on the front that is located in a vertical plane and through which access to the food 20 is possible.
  • the access opening 16 there is a door arrangement 11 that essentially has two refrigerator doors 32, 32'.
  • the door arrangement 11 was retrofitted to the refrigerator 10, i.e., it was subsequently mounted in the access opening 16 after the refrigerator 10 was installed. Of course, the door arrangement 11 can also already be provided on the refrigerator 10 "ex works".
  • the access opening 16 is closed by two transparent refrigerator doors 32, 32' located in a single vertical plane when the refrigerator doors 32, 32' are in their closed position.
  • the refrigerator doors 32, 32' are attached to the edge of the cabinet body 12 with joints that can rotate about a vertical axis of rotation.
  • the two refrigerator doors 32, 32' are double-glazed and therefore each have two transparent glass panes 54, 55, with a handle 22 fixed to the outer glass pane 54.
  • the two transparent glass panes 54, 55 of a refrigerator door 32, 32' are each framed by an upper horizontal frame element 58, a lower horizontal frame element 59 and a joint-side vertical frame element 56.
  • Each refrigerator door 32, 32' has an inner glass pane 55 and an outer glass pane 54.
  • the two transparent glass panes 54, 55 are each spaced apart from one another by spacer elements 56', 57', 58', 59' arranged at the edges.
  • the space between the panes 62 is located between the two spaced glass panes 54, 55. This space between the panes 62 is filled with a heat-insulating argon insulating gas 82.
  • the outer glass pane 54 has an anti-reflective and/or heat-reflecting coating on the inside.
  • the Figure 2 shows a cross section of a first embodiment of the transparent vertical edge of a refrigerator door 132' of the refrigerator 10 of the Figure 1 .
  • the refrigerator door 132' has no frame element on its side in the middle of the access opening 16 that encloses the glass panes 54, 55 or on which the refrigerator door 132' is directly or indirectly suspended.
  • the arrangement 150 provided on the transparent vertical edge essentially serves to hermetically seal the gap 62 between the two glass panes 54, 55.
  • the arrangement 150 is in particular not directly connected to the frame elements 56, 58, 59 that enclose the other three sides of the glass panes 54, 55.
  • the transparent spacer element 157' is provided between the two glass panes 54,55 over the entire length of the transparent side edge.
  • the transparent spacer element 157' is made of silicone, but can also be made of PMMA or polycarbonate.
  • the transparent spacer element 157' is elastic within certain limits, so that it fits tightly against the surfaces of the adjacent glass panes 54, 55.
  • the transparent spacer element 157' is not arranged directly on the edge of the glass panes 54, 55, but is offset inwards by a few millimeters.
  • the transparent spacer element 157' is glued to the glass panes 54, 55 on both sides with an acrylic-based adhesive 50.
  • the transparent spacer element 157' has an adhesive groove 166 for receiving the adhesive 50 on both sides facing the glass panes 54, 55 in its longitudinal direction, i.e. spatially speaking running in a vertical direction.
  • the spacer element 157' essentially serves to precisely space the two glass panes 54, 55.
  • a sealing strip 110 which consists of a sealing compound 112.
  • the sealing compound 112 consists of butyl rubber, but can also consist of another suitable and preferably transparent material.
  • the sealing strip 110 serves primarily to seal the space between the glass panes 62 in a gas-tight manner, so that the escape of the insulating gas 82 on the one hand and the penetration of air and moisture on the other hand is excluded or minimized even over several decades.
  • the sealing strip 110 ends approximately flush with the lateral end faces 74 of the two glass panes 54, 55.
  • the transparent vertical edge of the refrigerator door 132' has a plastic impact protection strip 172 as a closure, which covers the two end surfaces 74 and the sealing strip 110 completely covered and serves in particular to mechanically protect the two glass panes 54, 55 from damage.
  • the front side 80 of the impact protection strip 172 is slightly convex.
  • FIG. 3 the lower horizontal edge of the refrigerator door 32';132' is shown in cross-section, which differs significantly in structure from the transparent vertical edge of the same refrigerator door 32';132'.
  • a hollow metal profile 60 is provided as the spacer element 59', which has several small openings towards the space 62 between the glass panes.
  • the hollow spacer element 59' is filled with a drying agent 61, which serves to absorb moisture from the space 62.
  • a sealing strip 52 made of butyl rubber or another suitable sealing agent. The sealing strip 52 ends approximately flush with the edges of the two glass panes 54, 55.
  • a frame element 59 is also provided, which is formed by a U-shaped metal profile 63, which completely surrounds and encloses the two glass panes 54, 55.
  • the frame element metal profile 63 is glued to the edges of the two glass panes 54,55.
  • the upper horizontal edge and the hinge-side vertical edge of the refrigerator door 32, 32' can be constructed in the same way as the Figure 3 shown lower horizontal edge of the refrigerator door 32'.
  • the three frame elements 56, 58, 59 are mechanically connected to one another, for example screwed together and/or glued together.
  • the three frame elements 56, 58, 59 are attached directly or indirectly to the cabinet body 12 with corresponding swivel joints.
  • the Figure 4 shows a cross section through the transparent vertical edge facing away from the joint according to a second embodiment of the right refrigerator door 32' of the refrigerator 10.
  • the spacer element 57' is here part of a one-piece profile body 57 with a T-shaped cross section, which is composed of a central web 78 and a cross web.
  • the central web 78 has a rectangular shape.
  • the central web 78 runs between the two glass panes 54, 55 lying parallel to one another.
  • the central web 78 has an adhesive groove 66 in a round, oval or diamond shape on the two long horizontal legs. A suitable liquid adhesive is introduced into this adhesive groove 66 during the manufacture of the refrigerator door 32, 32'.
  • the cross web forms an impact protection strip 72 and rests on the lateral end faces 74 of the two glass panes 54, 55.
  • the length of the transverse web is in a ratio of approximately 2:3 to the length of the central web 78 of the T-shaped profile body.
  • the side of the impact protection strip 72 facing away from the glass pane has a slightly convexly curved front surface 80.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refrigerator Housings (AREA)

Description

Die Erfindung betrifft einen Kühlschrank, insbesondere einen gewerblichen Kühlschrank, für die Aufbewahrung von Lebensmitteln.The invention relates to a refrigerator, in particular a commercial refrigerator, for storing food.

Mit einem Kühlschrank ist vorliegend ein gekühlter Schrank gemeint, der ein eigenes Kühlaggregat aufweist oder an ein entferntes Kühlaggregat angeschlossen ist. Der Kühlschrank hält den Kühlraum auf Temperaturen unterhalb der den Kühlschrank umgebenden Raumtemperatur. Unter einem Kühlschrank sind auch sogenannte Tiefkühlschränke mit erfasst, in denen tiefgekühlte Lebensmittel mit einer Temperatur von beispielsweise -18°C und niedriger gelagert werden. Der Kühlschrank weist einen vertikal ausgerichteten Kühlraum auf, in dem mehrere übereinander angeordnete Regalböden angeordnet sind.In this case, a refrigerator is a refrigerated cabinet that has its own cooling unit or is connected to a remote cooling unit. The refrigerator keeps the cooling chamber at temperatures below the room temperature surrounding the refrigerator. A refrigerator also includes so-called freezer cabinets in which frozen food is stored at a temperature of, for example, -18°C and lower. The refrigerator has a vertically aligned cooling chamber in which several shelves are arranged one above the other.

Ein solcher Kühlschrank wird beispielsweise in der EP 0 138 782 A1 offenbart. Die US 4,660,903 A beschreibt einen gekühlten Schaukasten mit mehreren vielfachverglasten Seiten.Such a refrigerator is used, for example, in the EP 0 138 782 A1 revealed. The US 4,660,903 A describes a refrigerated display case with several multi-glazed sides.

Der Kühlschrank weist eine Zugriffsöffnung in einer Vertikalebene auf, die durch mindestens eine schwenkbare oder verschiebbare Kühlschranktür verschließbar ist. Die Kühlschranktür weist eine Mehrfachverglasung auf, die aus mindestens zwei voneinander beabstandeten, transparenten Glasscheiben besteht. Der Abstand zwischen den beiden Glasscheiben wird durch randseitig zwischen den Glasscheiben angeordnete Abstandselemente eingestellt. Ferner sind die beiden Glasscheiben einer Kühlschranktür durch Rahmenelemente eingefasst, die die Glasscheiben tragend halten und an denen die Kühlschranktür aufgehängt ist.The refrigerator has an access opening in a vertical plane that can be closed by at least one pivoting or sliding refrigerator door. The refrigerator door has multiple glazing that consists of at least two transparent glass panes spaced apart from one another. The distance between the two glass panes is set by spacer elements arranged at the edge between the glass panes. Furthermore, the two glass panes of a refrigerator door are enclosed by frame elements that support the glass panes and on which the refrigerator door is suspended.

Sowohl die Abstandselemente als auch die Rahmenelemente bestehen in der Regel aus Metallprofilen, die einen nicht-transparenten Türrahmen um die Glasscheiben herum bilden. Dieser Türrahmen schränkt die Sicht von außen auf den Kühlraum bzw. die Lebensmittel auf den Regalböden ein.Both the spacer elements and the frame elements usually consist of metal profiles that have a non-transparent Form a door frame around the glass panes. This door frame limits the view from outside of the refrigerator compartment or the food on the shelves.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Kühlschrank mit einer verbesserten Sicht von außen auf seinen Kühlraum zu schaffen. Diese Aufgabe wird gelöst durch einen Kühlschrank gemäß Anspruch 1.The invention is therefore based on the object of creating a refrigerator with an improved view of its cooling compartment from the outside. This object is achieved by a refrigerator according to claim 1.

Gemäß der Erfindung ist an mindestens einem Transparent-Vertikalrand der Kühlschranktür ein vertikales transparentes Abstandselement aus einem transparenten Material vorgesehen, wobei an dem Transparent-Vertikalrand kein Rahmenelement vorgesehen ist, das die Glasscheiben randseitig eingefasst. Bei einer Zugriffsöffnung, in der zwei oder mehr Kühlschranktüren angeordnet sind, ist der Transparent-Vertikalrand der jeweiligen Kühlschranktür der in der Zugriffsöffnungs-Mitte stehende Vertikalrand der geschlossenen Kühlschranktür, also der Vertikalrand, der den Blick auf den Kühlraum von außen am meisten beeinträchtigen kann. Da an dem Transparent-Vertikalrand kein tragendes Rahmenelement vorgesehen ist, ist die Transparenz des Transparent-Vertikalrandes erheblich verbessert.According to the invention, a vertical transparent spacer element made of a transparent material is provided on at least one transparent vertical edge of the refrigerator door, with no frame element being provided on the transparent vertical edge to enclose the glass panes at the edges. In an access opening in which two or more refrigerator doors are arranged, the transparent vertical edge of the respective refrigerator door is the vertical edge of the closed refrigerator door in the middle of the access opening, i.e. the vertical edge that can most impair the view of the refrigerator compartment from the outside. Since no supporting frame element is provided on the transparent vertical edge, the transparency of the transparent vertical edge is significantly improved.

Das vertikale transparente Abstandselement verbindet die beiden Glasscheiben miteinander und hält die Glasscheiben in einem definierten Abstand zueinander. Zudem dichtet das transparente Abstandselement den Scheibenzwischenraum zwischen den beiden parallelen Glasscheiben gegenüber der Umgebung ab, so dass das Gas in dem Glasscheiben-Zwischenraum nicht austreten und Luftfeuchtigkeit aus der Umgebung nicht in diesen eintreten kann. Das vertikale transparente Abstandselement übernimmt weniger eine tragende als vielmehr eine abdichtende Funktion. Mit dieser Anordnung wird eine maximale Transparenz der Glasscheibeneinheit aus allen Beobachtungswinkeln erreicht.The vertical transparent spacer element connects the two panes of glass and keeps the panes of glass at a defined distance from each other. In addition, the transparent spacer element seals the space between the two parallel panes of glass from the environment, so that the gas in the space between the panes of glass cannot escape and humidity from the environment cannot enter it. The vertical transparent spacer element has a sealing function rather than a supporting function. This arrangement achieves maximum transparency of the glass pane unit from all observation angles.

Vorzugsweise besteht das vertikale transparente Abstandselement aus Silikon, PMMA, Polykarbonat oder einem anderen transparenten Thermoplast. Das transparente Abstandselement weist bevorzugt eine gewisse Elastizität auf, um ein möglichst lückenloses und flächiges Aufliegen des transparenten Abstandselements auf der angrenzenden Glasscheibe auch über einen langen Zeitraum und bei Stoßbelastungen sicherzustellen.The vertical transparent spacer element is preferably made of silicone, PMMA, polycarbonate or another transparent thermoplastic. The transparent spacer element preferably has a certain degree of elasticity in order to ensure that the transparent spacer element rests as seamlessly and evenly as possible on the adjacent glass pane, even over a long period of time and under impact loads.

Thermoplaste sind Kunststoffe, die sich in einem bestimmten Temperaturbereich verformen lassen. Bevorzugt wird für die Fertigung des vertikalen Abstandselementes Polykarbonat verwendet. Polykarbonat weist sehr gute wärmeisolierte Eigenschaften auf und bleibt über einen langen Zeitraum transparent und farbstabil.Thermoplastics are plastics that can be deformed within a certain temperature range. Polycarbonate is the preferred material for manufacturing the vertical spacer element. Polycarbonate has very good thermal insulation properties and remains transparent and color-stable over a long period of time.

Vorzugsweise ist der Randverbund zwischen dem transparenten Abstandselement einerseits und den beiden Glasscheiben andererseits stoffschlüssig ausgebildet. Das Abstandselement und die Glasscheiben sind besonders bevorzugt durch einen Klebstoff miteinander verklebt. Diese Klebeverbindung bildet eine mechanische Verbindung und eine gasdichte Abdichtung. Der Klebstoff ist bevorzugt auf Acrylbasis aufgebaut, da derartige Klebstoffe gute Langzeiteigenschaften bezüglich ihrer Transparenz, Dichtigkeit und Adhäsion aufweisen.Preferably, the edge connection between the transparent spacer element on the one hand and the two glass panes on the other hand is formed with a material bond. The spacer element and the glass panes are particularly preferably bonded together using an adhesive. This adhesive connection forms a mechanical connection and a gas-tight seal. The adhesive is preferably acrylic-based, as such adhesives have good long-term properties in terms of their transparency, tightness and adhesion.

Der sich zwischen den Glasscheiben befindliche Scheibenzwischenraum ist vorzugsweise gasdicht verschlossen und dient im Wesentlichen der Wärmedämmung. In dem Scheibenzwischenraum befindet sich vorzugsweise ein wärmeisolierendes Isoliergas. Das Isoliergas ist bevorzugt das Edelgas Argon. Da Argon eine relativ große Molekülgröße aufweist, kann Argon-Gas nicht oder nur sehr langsam durch das transparente Abstandselement bzw. die Verklebung diffundieren.The space between the panes of glass is preferably sealed gas-tight and serves primarily for thermal insulation. A heat-insulating gas is preferably located between the panes. The insulating gas is preferably the noble gas argon. Since argon has a relatively large molecular size, argon gas cannot diffuse through the transparent spacer element or the adhesive, or can only diffuse very slowly.

Vorzugsweise ist distal des transparenten Abstandselements ein separater Dichtmittel-Streifen vorgesehen, der aus einer Dichtmasse besteht. Die Dichtmasse grenzt an das Abstandselement an und verschließt randseitig den Zwischenraum zwischen den beiden Glasscheiben. Dies kann deshalb sinnvoll und erforderlich sein, weil der Abstandselement-Klebstoff in erster Linie für eine feste mechanische Verbindung des Abstandselements mit den Glasscheiben ausgelegt ist, nicht jedoch notwendigerweise eine ausreichend gasdichte Barriere darstellt. Der Dichtmittel-Streifen dagegen muss keine hohen Haltekräfte für eine zuverlässige mechanische Verbindung der beiden Glasscheiben miteinander zur Verfügung stellen, sondern dient in erster Linie einem ausreichend gasdichten Verschluss des Glasscheiben-Zwischenraums.Preferably, a separate sealing strip consisting of a sealing compound is provided distally of the transparent spacer element. The sealing compound borders on the spacer element and closes the gap between the two panes of glass at the edge. This can be useful and necessary because the spacer element adhesive is primarily designed for a firm mechanical connection of the spacer element to the panes of glass, but does not necessarily represent a sufficiently gas-tight barrier. The sealing strip, on the other hand, does not have to provide high holding forces for a reliable mechanical connection between the two panes of glass, but primarily serves to seal the gap between the panes of glass in a sufficiently gas-tight manner.

Die Dichtmasse ist vorzugsweise transparent. Die Dichtmasse kann identisch zu dem Abstandselement-Klebstoff ausgebildet sein. Alternativ ist die Dichtmasse nicht identisch zu dem Abstandselement-Klebstoff und besteht bevorzugt aus Butylkautschuk.The sealing compound is preferably transparent. The sealing compound can be identical to the spacer element adhesive. Alternatively, the sealing compound is not identical to the spacer element adhesive and preferably consists of butyl rubber.

Gemäß einer bevorzugten Ausführungsform weist die Kühlschranktür an ihrem oberen und an ihrem unteren Horizontalrand separate Rahmenelemente auf, die die betreffenden Stirnseiten der Glasscheiben umgreifen und einfassen. Die Rahmenelemente sind nicht-transparent, und bestehen aus Metall. Ferner können auch die den betreffenden Rahmenelementen zugeordneten Abstandselemente aus einem nicht-transparenten Material bestehen, das nicht dem Material des transparenten Abstandselements entspricht.According to a preferred embodiment, the refrigerator door has separate frame elements on its upper and lower horizontal edges, which encompass and enclose the respective front sides of the glass panes. The frame elements are non-transparent, and are made of metal. Furthermore, the spacer elements associated with the relevant frame elements can also be made of a non-transparent material that does not correspond to the material of the transparent spacer element.

Da insbesondere der untere Horizontalrand und der obere Horizontalrand einer Kühlschranktür den Blick auf den Kühlraum nicht oder nur geringfügig stört, können insbesondere an den beiden Horizontalrändern der Kühlschranktür tragende Bauteile mit hoher Festigkeit appliziert werden, die beispielsweise aus Metallprofilen gebildet sind. Die Stabilität und der Zusammenhalt der gesamten Kühlschranktür werden durch entsprechend stabil ausgelegte Rahmenelemente an den beiden Horizontalrändern der Kühlschranktür sichergestellt. Besonders bevorzugt kann auch die zweite Kühlschranktür-Vertikalseite, die der Transparent-Vertikalseite gegenüber liegt und bei geschlossener Kühlschranktür am Rand der Zugriffsöffnung angeordnet ist, mit einem separaten Rahmenelement und einem Abstandselement ausgestattet sein, wobei sowohl das Rahmenelement als auch das Abstandselement nicht-transparent ausgebildet sein können, also beispielsweise aus Metallprofilen bestehen können.Since the lower horizontal edge and the upper horizontal edge of a refrigerator door in particular do not interfere with the view of the refrigerator compartment or only interfere with it slightly, high-strength supporting components, which are made of metal profiles, for example, can be applied to the two horizontal edges of the refrigerator door. The stability and cohesion of the entire refrigerator door are ensured by appropriately stable frame elements on the two horizontal edges of the refrigerator door. Particularly preferably, the second vertical side of the refrigerator door, which is opposite the transparent vertical side and is arranged on the edge of the access opening when the refrigerator door is closed, can also be equipped with a separate frame element and a spacer element, whereby both the frame element and the spacer element can be non-transparent, i.e. can consist of metal profiles, for example.

Vorzugsweise weist das Abstandselement eine Klebstoffnut auf, die mit dem Abstandselement-Klebstoff gefüllt sind. Der Klebstoff in der Klebstoffnut verbindet die betreffende Glasscheibe und das Abstandselement stoffschlüssig und weitgehend gasdicht miteinander. Die Klebestoffnut kann einen runden, ovalen, gewölbten oder rautenförmigen Querschnitt haben. Die Klebstoffnut erstreckt sich im Wesentlichen in der Längsrichtung des transparenten Abstandselementes, also vertikal über die gesamte Länge des Abstandselements. Es können alternativ oder ergänzend auch Nuten zur Aufnahme von Dichtelementen, Dichtlippen etc. vorgesehen sein.The spacer element preferably has an adhesive groove that is filled with the spacer element adhesive. The adhesive in the adhesive groove connects the glass pane in question and the spacer element to one another in a material-locking and largely gas-tight manner. The adhesive groove can have a round, oval, curved or diamond-shaped cross-section. The adhesive groove extends essentially in the longitudinal direction of the transparent spacer element, i.e. vertically over the entire length of the spacer element. Alternatively or additionally, grooves for receiving sealing elements, Sealing lips etc. must be provided.

Vorzugsweise bestehen die Glasscheiben aus einem entspiegelten Glas, bevorzugt aus einem Verbundsicherheitsglas. Die Beschichtung bewirkt eine geringe Lichtreflexion sowie gute Transparenz und Durchsichtigkeit. Allerdings müssen nicht beide Glasscheiben eine kostspielige Entspiegelungs-Beschichtung aufweisen. Vorzugsweise weist mindestens eine Glasscheibe eine entspiegelte Beschichtung auf. Vorrangig weist die außenseitige Glasscheibe eine Entspiegelungs-Beschichtung auf ihrer Innenseite auf.The glass panes are preferably made of anti-reflective glass, preferably laminated safety glass. The coating results in low light reflection and good transparency and translucency. However, both glass panes do not have to have an expensive anti-reflective coating. Preferably, at least one glass pane has an anti-reflective coating. The glass pane on the outside has an anti-reflective coating on its inside.

Vorzugsweise ist an dem Transparent-Vertikalrand ein Stoßschutzstreifen vorgesehen, der die Stirnflächen der beiden Glasscheiben vollständig bedeckt. Der Stoßschutzstreifen hat bevorzugt eine Gesamtbreite, die sich mindestens aus der Summe der beiden Scheibenstärken und des Scheibenabstandes ergibt, so dass der Stoßschutzstreifen die Stirnflächen der Glasscheiben vollständig bedeckt und bevorzugt bündig mit den Außenseiten der beiden Glasscheiben abschließt. Der Stoßschutzstreifen hat im Wesentlichen die Funktion, die Stirnflächen der beiden Glasscheiben an dem Transparent-Vertikalrand vor mechanischer Beschädigung zu schützen.Preferably, an impact protection strip is provided on the transparent vertical edge, which completely covers the front surfaces of the two glass panes. The impact protection strip preferably has a total width that is at least the sum of the two pane thicknesses and the distance between the panes, so that the impact protection strip completely covers the front surfaces of the glass panes and preferably ends flush with the outsides of the two glass panes. The impact protection strip essentially has the function of protecting the front surfaces of the two glass panes on the transparent vertical edge from mechanical damage.

Der Stoßschutzstreifen hat bevorzugt eine rechteckige Grundform, kann jedoch an der glasscheibenabgewandten Stirnseite eine konvexe Wölbung aufweisen. Durch diese Wölbung des Stoßschutzstreifens können seitliche Stöße besser absorbiert werden und Beschädigungen der Glasscheiben besser vermieden werden.The impact protection strip preferably has a rectangular basic shape, but can have a convex curvature on the front side facing away from the glass pane. This curvature of the impact protection strip allows lateral impacts to be better absorbed and damage to the glass panes to be better avoided.

Gemäß einer bevorzugten Ausführung ist das transparente Abstandselement einstückig mit dem Stoßschutzstreifen ausgebildet und bildet mit diesem zusammen ein T-förmiges Profil. Durch die einstückige Ausbildung des Abstandselements zusammen mit dem Stoßschutzstreifen wird der Leckageweg erheblich verlängert, wodurch es zu einer verbesserten Abdichtung des Glasscheiben- Zwischenraumes gegen das Austreten des Gases aus dem Glasscheiben-Zwischenraum kommt. Zudem ergibt sich ein besonders kantenarmes Erscheinungsbild. Schließlich werden die parallelen Glasscheiben durch das im Querschnitt T-förmige Profil schon während der Montage in einer definierten Position zueinander gehalten. Da der Stoßschutzstreifen einen Anschlag für die Stirnflächen der Glasscheiben darstellt, Das T-förmige Profil kann dabei beispielsweise als Strangpress- oder Extrusionsprofil ausgeführt sein.According to a preferred embodiment, the transparent The spacer element is made in one piece with the impact protection strip and together with it forms a T-shaped profile. The one-piece design of the spacer element together with the impact protection strip significantly extends the leakage path, which improves the sealing of the space between the glass panes to prevent gas from escaping from the space between the glass panes. In addition, the appearance is particularly smooth. Finally, the parallel glass panes are held in a defined position relative to one another during assembly by the T-shaped profile in cross section. Since the impact protection strip acts as a stop for the front surfaces of the glass panes, the T-shaped profile can be designed as an extruded or pressed profile, for example.

Im Folgenden werden zwei Ausführungsbeispiele der Erfindung anhand der Figuren näher erläutert. Es zeigen:

  • Figur 1 eine perspektivische Darstellung eines Kühlschranks mit zwei Kühlschranktüren,
  • Figur 2 einen Querschnitt eines ersten Ausführungsbeispiels des transparenten Vertikalrandes einer Kühlschranktür des Kühlschranks der Figur 1,
  • Figur 3 einen Querschnitt des unteren Horizontalrandes der Kühlschranktür der Figur 1, und
  • Figur 4 einen Querschnitt eines zweiten Ausführungsbeispiels des transparenten Vertikalrandes der Kühlschranktür des Kühlschranks der Figur 1.
Two embodiments of the invention are explained in more detail below using the figures. They show:
  • Figure 1 a perspective view of a refrigerator with two refrigerator doors,
  • Figure 2 a cross-section of a first embodiment of the transparent vertical edge of a refrigerator door of the refrigerator of Figure 1 ,
  • Figure 3 a cross-section of the lower horizontal edge of the refrigerator door of the Figure 1 , and
  • Figure 4 a cross-section of a second embodiment of the transparent vertical edge of the refrigerator door of the refrigerator of Figure 1 .

In der Figur 1 ist ein Kühlschrank 10 dargestellt, dessen Kühlraum 14 auf Temperaturen über 0°C, beispielsweise auf +5°C gekühlt wird. Grundsätzlich kann sich die Erfindung jedoch auch auf einen Kühlschrank 10 beziehen, dessen Kühlraum 14 auf Temperaturen unter 0°C, beispielsweise auf -18°C gekühlt wird.In the Figure 1 a refrigerator 10 is shown, the cooling chamber 14 of which is cooled to temperatures above 0°C, for example to +5°C. In principle, however, the invention can also relate to a refrigerator 10, the cooling chamber 14 of which is cooled to temperatures below 0°C, for example to -18°C.

Der Kühlschrank 10 weist einen Schrankkörper 12 auf, der den Kühlraum 14 umgibt. In dem Kühlraum 14 sind mehrere von vorne zugängliche Regalböden 18 übereinander angeordnet, auf denen Lebensmittel 20 gelagert werden können. Der Schrankkörper 12 weist vorderseitig eine großflächige und in einer Vertikalebene liegende Zugriffsöffnung 16 auf, durch die der Zugriff auf die Lebensmittel 20 möglich ist. In der Zugriffsöffnung 16 befindet sich eine Türanordnung 11, die im Wesentlichen zwei Kühlschranktüren 32, 32' aufweist. Die Türanordnung 11 wurde an dem Kühlschrank 10 nachgerüstet, d.h., nach der Aufstellung des Kühlschranks 10 nachträglich in der Zugriffsöffnung 16 montiert. Selbstverständlich kann die Türanordnung 11 auch bereits "ab Werk" an dem Kühlschrank 10 vorgesehen sein.The refrigerator 10 has a cabinet body 12 that surrounds the cooling chamber 14. In the cooling chamber 14, several shelves 18 that are accessible from the front are arranged one above the other, on which food 20 can be stored. The cabinet body 12 has a large access opening 16 on the front that is located in a vertical plane and through which access to the food 20 is possible. In the access opening 16 there is a door arrangement 11 that essentially has two refrigerator doors 32, 32'. The door arrangement 11 was retrofitted to the refrigerator 10, i.e., it was subsequently mounted in the access opening 16 after the refrigerator 10 was installed. Of course, the door arrangement 11 can also already be provided on the refrigerator 10 "ex works".

Die Zugriffsöffnung 16 wird jeweils durch zwei in einer einzigen Vertikalebene stehende transparente Kühlschranktüren 32, 32' verschlossen, wenn die Kühlschranktüren 32, 32' in ihrer Schließposition stehen. Die Kühlschranktüren 32,32' sind randseitig mit um eine vertikale Drehachse drehbaren Gelenken an dem Schrankkörper 12 befestigt.The access opening 16 is closed by two transparent refrigerator doors 32, 32' located in a single vertical plane when the refrigerator doors 32, 32' are in their closed position. The refrigerator doors 32, 32' are attached to the edge of the cabinet body 12 with joints that can rotate about a vertical axis of rotation.

Die beiden Kühlschranktüren 32, 32' sind doppelt verglast und weisen daher jeweils zwei transparente Glasscheiben 54, 55 auf, wobei auf der außenseitigen Glasscheibe 54 jeweils ein Griff 22 fixiert ist. Die beiden transparenten Glasscheiben 54, 55 einer Kühlschranktür 32,32' sind jeweils eingerahmt von einem oberen horizontalen Rahmenelement 58, einem unteren horizontalen Rahmenelement 59 und einem gelenkseitigen vertikalen Rahmenelement 56.The two refrigerator doors 32, 32' are double-glazed and therefore each have two transparent glass panes 54, 55, with a handle 22 fixed to the outer glass pane 54. The two transparent glass panes 54, 55 of a refrigerator door 32, 32' are each framed by an upper horizontal frame element 58, a lower horizontal frame element 59 and a joint-side vertical frame element 56.

Jede Kühlschranktür 32, 32' weist eine innenseitige Glasscheibe 55 und eine außenseitige Glasscheibe 54 auf. Die beiden transparenten Glasscheiben 54,55 sind jeweils durch randseitig angeordnete Abstandselemente 56',57',58',59' voneinander beabstandet. Zwischen den beiden beabstandeten Glasscheiben 54, 55 befindet sich der Scheibenzwischenraum 62. Dieser Scheibenzwischenraum 62 ist mit einem wärmeisolierenden Argon-Isoliergas 82 gefüllt. Die außenliegende Glasscheibe 54 weist innenseitig eine Entspiegelungs- und/ oder Wärmereflexions-Beschichtung auf.Each refrigerator door 32, 32' has an inner glass pane 55 and an outer glass pane 54. The two transparent glass panes 54, 55 are each spaced apart from one another by spacer elements 56', 57', 58', 59' arranged at the edges. The space between the panes 62 is located between the two spaced glass panes 54, 55. This space between the panes 62 is filled with a heat-insulating argon insulating gas 82. The outer glass pane 54 has an anti-reflective and/or heat-reflecting coating on the inside.

Die Figur 2 zeigt einen Querschnitt eines ersten Ausführungsbeispiels des transparenten Vertikalrandes einer Kühlschranktür 132' des Kühlschranks 10 der Figur 1. Die Kühlschranktür 132' weist an ihrer in der Mitte der Zugriffsöffnung 16 stehenden Seite kein Rahmenelement auf, das die Glasscheiben 54,55 einfasst bzw. an dem die Kühlschranktür 132' unmittelbar oder mittelbar aufgehängt ist. Die an dem transparenten Vertikalrand vorgesehene Anordnung 150 dient im Wesentlichen der hermetischen Abdichtung des Zwischenraums 62 zwischen den beiden Glasscheiben 54,55. Die Anordnung 150 ist insbesondere nicht unmittelbar verbunden mit den Rahmenelementen 56,58,59, die die anderen drei Seiten der Glasscheiben 54,55 umfassen.The Figure 2 shows a cross section of a first embodiment of the transparent vertical edge of a refrigerator door 132' of the refrigerator 10 of the Figure 1 . The refrigerator door 132' has no frame element on its side in the middle of the access opening 16 that encloses the glass panes 54, 55 or on which the refrigerator door 132' is directly or indirectly suspended. The arrangement 150 provided on the transparent vertical edge essentially serves to hermetically seal the gap 62 between the two glass panes 54, 55. The arrangement 150 is in particular not directly connected to the frame elements 56, 58, 59 that enclose the other three sides of the glass panes 54, 55.

Zwischen den beiden Glasscheiben 54,55 ist das transparente Abstandselement 157' über die gesamte Länge des transparenten Seitenrandes vorgesehen. Das transparente Abstandselement 157' besteht aus Silikon, kann jedoch auch aus PMMA oder einem Polykarbonat bestehen. Das transparente Abstandselement 157' ist in gewissen Grenzen elastisch, so dass es sich eng an die Oberflächen der angrenzenden Glasscheiben 54,55 anschmiegt. Das transparente Abstandselement 157' ist nicht unmittelbar am Rand der Glasscheiben 54,55 angeordnet, sondern um einige Millimeter nach innen versetzt. Das transparente Abstandselement 157' ist mit einem Klebstoff 50 auf Acrylbasis beidseitig mit den Glasscheiben 54,55 verklebt. Das transparente Abstandselement weist 157' weist in seiner Längsrichtung, also räumlich gesehen in vertikaler Richtung verlaufend, an beiden den Glasscheiben 54,55 zugewandten Seiten jeweils eine Klebstoffnut 166 zur Aufnahme des Klebstoffes 50 auf. Das Abstandselement 157' dient im Wesentlichen der exakten Beabstandung der beiden Glasscheiben 54,55.The transparent spacer element 157' is provided between the two glass panes 54,55 over the entire length of the transparent side edge. The transparent spacer element 157' is made of silicone, but can also be made of PMMA or polycarbonate. The transparent spacer element 157' is elastic within certain limits, so that it fits tightly against the surfaces of the adjacent glass panes 54, 55. The transparent spacer element 157' is not arranged directly on the edge of the glass panes 54, 55, but is offset inwards by a few millimeters. The transparent spacer element 157' is glued to the glass panes 54, 55 on both sides with an acrylic-based adhesive 50. The transparent spacer element 157' has an adhesive groove 166 for receiving the adhesive 50 on both sides facing the glass panes 54, 55 in its longitudinal direction, i.e. spatially speaking running in a vertical direction. The spacer element 157' essentially serves to precisely space the two glass panes 54, 55.

Distal neben dem Abstandselement 157' schließt sich ein Dichtmittel- Streifen 110 an, der aus einer Dichtmasse 112 besteht. Die Dichtmasse 112 besteht aus Butylkautschuk, kann jedoch auch aus einem anderen geeigneten und bevorzugt transparenten Material bestehen. Der Dichtmittel-Streifen 110 dient vor allem der gasdichten Abdichtung des Glasscheiben-Zwischenraums 62, so dass ein Entweichen des Isoliergases 82 einerseits bzw. ein Eindringen von Luft und Feuchtigkeit andererseits auch über mehrere Jahrzehnte hin ausgeschlossen bzw. minimiert ist. Der Dichtmittel- Streifen 110 schließt ungefähr bündig mit den lateralen Stirnflächen 74 der beiden Glasscheiben 54,55 ab.Distally next to the spacer element 157' there is a sealing strip 110 which consists of a sealing compound 112. The sealing compound 112 consists of butyl rubber, but can also consist of another suitable and preferably transparent material. The sealing strip 110 serves primarily to seal the space between the glass panes 62 in a gas-tight manner, so that the escape of the insulating gas 82 on the one hand and the penetration of air and moisture on the other hand is excluded or minimized even over several decades. The sealing strip 110 ends approximately flush with the lateral end faces 74 of the two glass panes 54, 55.

Der transparente Vertikalrand der Kühlschranktür 132' weist als Abschluss einen Kunststoff- Stoßschutzstreifen 172 auf, der die beiden Stirnflächen 74 und den Dichtmittel-Streifen 110 vollständig bedeckt und insbesondere dem mechanischen Schutz der beiden Glasscheiben 54,55 vor Beschädigung dient. Die Stirnseite 80 des Stoßschutzstreifens 172 ist leicht konvex gewölbt ausgebildet.The transparent vertical edge of the refrigerator door 132' has a plastic impact protection strip 172 as a closure, which covers the two end surfaces 74 and the sealing strip 110 completely covered and serves in particular to mechanically protect the two glass panes 54, 55 from damage. The front side 80 of the impact protection strip 172 is slightly convex.

In der Figur 3 ist der untere Horizontalrand der Kühlschranktür 32'; 132' im Querschnitt dargestellt, der sich im Aufbau wesentlich unterscheidet von dem transparenten Vertikalrand derselben Kühlschranktür 32';132'. Als Abstandselement 59' ist ein MetallHohlprofil 60 vorgesehen, das zum Glasscheiben-Zwischenraum 62 hin mehrere kleinen Öffnungen aufweist. Das hohle Abstandselement 59' ist mit einem Trocknungsmittel 61 gefüllt, das der Aufnahme von Feuchtigkeit aus dem Zwischenraum 62 dient. Neben dem Abstandselement 59' schließt sich ein Dichtmittel-Streifen 52 aus Butylkautschuk oder aus einem anderen geeigneten Dichtmittel an. Der Dichtmittel-Streifen 52 schließt ungefähr randbündig mit den Rändern der beiden Glasscheiben 54,55 ab. Ferner ist ein Rahmenelement 59 vorgesehen, das von einem U-förmigen Metallprofil 63 gebildet ist, das die beiden Glasscheiben 54,55 vollständig umfasst und einfasst. Das Rahmenelement-Metallprofil 63 ist verklebt mit den Rändern der beiden Glasscheiben 54,55.In the Figure 3 the lower horizontal edge of the refrigerator door 32';132' is shown in cross-section, which differs significantly in structure from the transparent vertical edge of the same refrigerator door 32';132'. A hollow metal profile 60 is provided as the spacer element 59', which has several small openings towards the space 62 between the glass panes. The hollow spacer element 59' is filled with a drying agent 61, which serves to absorb moisture from the space 62. Next to the spacer element 59' there is a sealing strip 52 made of butyl rubber or another suitable sealing agent. The sealing strip 52 ends approximately flush with the edges of the two glass panes 54, 55. A frame element 59 is also provided, which is formed by a U-shaped metal profile 63, which completely surrounds and encloses the two glass panes 54, 55. The frame element metal profile 63 is glued to the edges of the two glass panes 54,55.

Der obere Horizontalrand sowie der gelenksseitige Vertikalrand der Kühlschranktür 32, 32' können genauso aufgebaut sein, wie der in der Figur 3 dargestellte untere Horizontalrand der Kühlschranktür 32'. Die drei Rahmenelemente 56,58,59 sind miteinander mechanisch verbunden, beispielsweise miteinander verschraubt und/oder miteinander verklebt. Die drei Rahmenelemente 56,58,59 sind mit entsprechenden Drehgelenken mittelbar oder unmittelbar an dem Schrankkörper 12 befestigt.The upper horizontal edge and the hinge-side vertical edge of the refrigerator door 32, 32' can be constructed in the same way as the Figure 3 shown lower horizontal edge of the refrigerator door 32'. The three frame elements 56, 58, 59 are mechanically connected to one another, for example screwed together and/or glued together. The three frame elements 56, 58, 59 are attached directly or indirectly to the cabinet body 12 with corresponding swivel joints.

Die Figur 4 zeigt einen Querschnitt durch den gelenkabgewandten transparenten Vertikalrand gemäß eines zweiten Ausführungsbeispiels der rechten Kühlschranktür 32' des Kühlschranks 10. Das Abstandselement 57' ist hier ein Teil eines einstückigen und im Querschnitt T förmigen Profilkörpers 57, der sich aus einem Mittelsteg 78 und einem Quersteg zusammensetzt. Der Mittelsteg 78 hat eine rechteckige Form. Der Mittelsteg 78 verläuft zwischen den beiden sich parallel einander gegenüberliegenden Glasscheiben 54, 55. Der Mittelsteg 78 weist an den beiden längsseitigen horizontalen Schenkeln eine Klebstoffnut 66 in runder, ovaler oder rautenförmiger Form auf. In diese Klebstoffnut 66 wird bei der Herstellung der Kühlschranktür 32,32' ein geeigneter flüssiger Klebstoff eingebracht. Der Quersteg bildet einen Stoßschutzstreifen 72 und liegt auf den lateralen Stirnflächen 74 der beiden Glasscheiben 54, 55 auf. Die Länge des Quersteges steht in einem Verhältnis von etwa 2:3 zur Länge des Mittelsteges 78 des T-förmigen Profilkörpers. Die glasscheibenabgewandte Seite des Stoßschutzstreifens 72 weist leicht konvex gewölbte Stirnfläche 80 auf.The Figure 4 shows a cross section through the transparent vertical edge facing away from the joint according to a second embodiment of the right refrigerator door 32' of the refrigerator 10. The spacer element 57' is here part of a one-piece profile body 57 with a T-shaped cross section, which is composed of a central web 78 and a cross web. The central web 78 has a rectangular shape. The central web 78 runs between the two glass panes 54, 55 lying parallel to one another. The central web 78 has an adhesive groove 66 in a round, oval or diamond shape on the two long horizontal legs. A suitable liquid adhesive is introduced into this adhesive groove 66 during the manufacture of the refrigerator door 32, 32'. The cross web forms an impact protection strip 72 and rests on the lateral end faces 74 of the two glass panes 54, 55. The length of the transverse web is in a ratio of approximately 2:3 to the length of the central web 78 of the T-shaped profile body. The side of the impact protection strip 72 facing away from the glass pane has a slightly convexly curved front surface 80.

Claims (14)

  1. A refrigerator (10) for storing food, the refrigerator having an access opening (16) located in a vertical plane and adapted to be closed by a pivotable or slidable and multiple-glazed refrigerator door (32, 32'), wherein the refrigerator door (32, 32') comprises at least two transparent glass panes (54, 55) which are spaced apart from each other via edge-side spacer elements (56', 57', 58', 59'), said glass panes (54, 55) being enclosed at the edge sides by horizontal separate frame elements (58, 59) to which the refrigerator door (32, 32') is mounted, wherein at at least one transparent vertical edge of the refrigerator door (32, 32') a vertical transparent spacer element (57'; 157') made of a transparent material is provided and no frame element is provided, and wherein the spacer element (58', 59') assigned to one frame element (58, 59) is made of a non-transparent material differing from that of the transparent spacer element (57').
  2. The refrigerator (10) according to claim 1, wherein the transparent spacer element (57'; 157') is glued to the glass panes (54, 55).
  3. The refrigerator (10) according to claim 2, wherein the transparent spacer element (57'; 157') is glued to the glass panes (54, 55) by means of an acryl based spacer element adhesive (50).
  4. The refrigerator (10) according to any one of the preceding claims, wherein a separate sealant strip (110) made of a sealing compound (112) is provided distal to the transparent spacer element (57'; 157').
  5. The refrigerator (10) according to claim 4, wherein the sealing compound is transparent.
  6. The refrigerator (10) according to claim 4 or 5, wherein the sealing compound (112) is identical to the spacer element adhesive (50).
  7. The refrigerator (10) according to claim 4 or 5, wherein the sealing compound (112) is not identical to the spacer element adhesive (50) and is preferably made of butyl rubber.
  8. The refrigerator (10) according to any one of the preceding claims, wherein the refrigerator door (32, 32') comprises at its upper and its lower horizontal edges separate frame elements (58, 59) which encompass the front faces (74) of the glass panes (54, 55).
  9. The refrigerator (10) according to any one of the preceding claims, wherein the glass pane interspace (62) is filled with an insulating gas (82) which is preferably argon gas.
  10. The refrigerator (10) according to any one of the preceding claims, wherein the transparent spacer element (57') is made of silicone, PMMA, or polycarbonate.
  11. The refrigerator (10) according to any one of the preceding claims, wherein a shock protection strip (72; 172) is provided at the transparent vertical edge, said shock protection strip (72; 172) completely covering the front faces (74) of the glass panes (54, 55).
  12. The refrigerator (10) according to any one of the preceding claims, wherein the transparent spacer element (57'; 157') comprises an adhesive groove (66; 166) for receiving the spacer element adhesive (50).
  13. The refrigerator (10) according to claim 11, wherein the transparent spacer element (57') is formed integrally with the shock protection strip (72) and forms a T-shaped section therewith.
  14. The refrigerator (10) according to any one of the preceding claims, wherein a spacer element (56', 58', 59') assigned to the upper horizontal frame element (58) and/or the lower horizontal frame element (59) comprises a hollow metal profile containing a drying agent (61).
EP13736852.8A 2012-07-10 2013-07-04 Refrigerator Active EP2872837B1 (en)

Priority Applications (1)

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EP24168391.1A EP4386169A2 (en) 2012-07-10 2013-07-04 Refrigerator

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DE102012106200.5A DE102012106200B4 (en) 2012-07-10 2012-07-10 refrigerator
PCT/EP2013/064130 WO2014009244A1 (en) 2012-07-10 2013-07-04 Refrigerator

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EP2872837B1 true EP2872837B1 (en) 2024-04-10

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JP (2) JP6574132B2 (en)
CN (1) CN104508411B (en)
AU (1) AU2013289314B2 (en)
BR (1) BR112015000385B1 (en)
CA (1) CA2878788C (en)
DE (4) DE102012106200B4 (en)
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DE102012106200B4 (en) 2021-10-14
MX2015000221A (en) 2015-07-17
MX357074B (en) 2018-06-25
DE202013011898U1 (en) 2014-10-13
US9756965B2 (en) 2017-09-12
JP2018159541A (en) 2018-10-11
DE102012106200A1 (en) 2014-01-16
BR112015000385A2 (en) 2017-06-27
LT2872837T (en) 2024-06-25
WO2014009244A1 (en) 2014-01-16
FI2872837T3 (en) 2024-06-20
EP4386169A2 (en) 2024-06-19
JP6574132B2 (en) 2019-09-11
CA2878788A1 (en) 2014-01-16
DE202013012171U1 (en) 2015-07-02
AU2013289314A1 (en) 2015-02-05
JP6799564B2 (en) 2020-12-16
AU2013289314B2 (en) 2016-02-04
CN104508411B (en) 2017-06-06
BR112015000385B1 (en) 2022-01-04
DK2872837T3 (en) 2024-06-10
US20150245720A1 (en) 2015-09-03
CN104508411A (en) 2015-04-08
CA2878788C (en) 2019-07-30
JP2015522149A (en) 2015-08-03
DE202013012172U1 (en) 2015-07-02
EP2872837A1 (en) 2015-05-20

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