EP0654642A1 - Insulation panel for a cooling device - Google Patents

Insulation panel for a cooling device Download PDF

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Publication number
EP0654642A1
EP0654642A1 EP94118017A EP94118017A EP0654642A1 EP 0654642 A1 EP0654642 A1 EP 0654642A1 EP 94118017 A EP94118017 A EP 94118017A EP 94118017 A EP94118017 A EP 94118017A EP 0654642 A1 EP0654642 A1 EP 0654642A1
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EP
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Prior art keywords
layer
insulating plate
reflector
plate according
cover
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EP94118017A
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German (de)
French (fr)
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EP0654642B1 (en
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Albert Weiss
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    • 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
    • F25D23/06—Walls
    • 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
    • A47F3/0439—Cases or cabinets of the open type
    • A47F3/0469—Details, e.g. night covers

Definitions

  • the invention relates to an insulating plate for covering open cooling devices.
  • open freezers are used in supermarkets in the sales rooms, in which a lot of cooling energy has to be applied by the room temperature in order to be able to maintain the required low temperature in the open freezer.
  • roller blinds made of aluminum foil or plates are used for this. These panels are made of plastic with polyurethane foam. The two outer sides are coated with a smooth aluminum sheet to prevent heat radiation. A support device is required for the roller blinds to ensure that they rest on the edges of the chest without sagging.
  • the disadvantage of these cover plates is that they can be damaged relatively easily. Particularly on the smooth aluminum surface there are impressions, cracks or similar. easily visible, so that the appearance quickly suffers significantly.
  • thermal insulation with changeable volume is preferably known for containers with a honeycomb layer between an outer and an inner shell. Since the honeycomb layer should be elastic to adapt to different spatial conditions, the air chambers formed by the honeycombs are open at their ends. When compressed, the air falls away completely as insulation. As a result, the insulation ability is only limited to the material. In addition, this insulation, intended as a lining, requires a supporting frame to stabilize it. This known device is not suitable as an insulating plate for cooling devices.
  • a sound-absorbing and heat-sealing hollow building board which has a corrugated intermediate layer made of soft Schrenz or soft straw paper, which is formed by corrugated cardboard strips.
  • the open corrugated tubes are covered with cardboard.
  • the corrugated tubes Apart from the inadequate stiffness of this plate construction, which is different in the transverse and longitudinal directions, the corrugated tubes only create very small air spaces with high use of materials. The manufacturing effort is high. The thermal insulation capacity of this known plate construction is not satisfactory.
  • the object of the present invention is to provide a well-insulating and stable insulating plate which, moreover, does not involve any disposal problems and does not pose any danger to the food covered even if it is destroyed. This object is achieved by the features of patent claim 1.
  • the insulating plate consists of a honeycomb layer 1 which has hexagonal honeycombs 11 made of cardboard.
  • This honeycomb layer can be produced in strips by the meter and delivered in rolls.
  • This honeycomb layer 1 is glued to its top and bottom sides with a cover layer 2, so that a large number of closed cavities are created.
  • cover layers 2 also consist of cardboard material. However, hard cardboard is preferably used for this in order to obtain a stable surface and stiffening of the insulating plate.
  • a reflector layer 3 is applied to the cover layer 2 in order to keep out heat radiation. At the same time, this reflector layer 3 also serves to make the cover layer 2 made of cardboard material stable against moisture, for example condensation water.
  • This reflector layer 3 expediently consists of aluminum foil and is applied with a PU adhesive (polyurethane-based adhesive). It is important that a permanently elastic adhesive is used so that tearing or wrinkling of the film is avoided. This PU adhesive fulfills these properties quite well.
  • the application of the adhesive can a) by spraying or knife application or better b) by applying an adhesive film, on which the aluminum foil is then placed and glued under the action of heat.
  • a new type of reflector layer 3 which does not have these disadvantages, consists of two aluminum foils 31 and 32, between which a glass grid 4 is placed, so that a reflector layer 3, which is corrugated with the glass grid 4 and is thus structured, is formed, which is then applied to the hard cardboard, as already described above.
  • This reflector layer can be applied in various ways. Either the glass grid is first placed between the two aluminum foils 31 and 32 and then this finished reflector layer 3 on the cover layer 2 raised.
  • the structural grid 4 can also be applied directly to the cover layer 2.
  • the prefabricated reflector layer 3 then consists only of the structure grating 4, which is drawn onto a reflector film 31.
  • the cover layer 2 and the reflector layer 3 are provided with an extension 21 or 33, which are pulled down over the open side at the edges of the plate.
  • the cover layer 2 or only the reflector layer 3 it is sufficient to use the cover layer 2 or only the reflector layer 3 to cover the open end faces. If both the cover layer 2 and the reflector layer 3 are pulled down over the open end faces, an additional bordering of the insulating plate is unnecessary.
  • the insulation panels produced in this way not only have a good insulation effect, but also very good mechanical strength properties.
  • the insulation is even better than that of the well-known foamed plastic sheets. It shows that air is a very good temperature insulator. Instead of the hexagonal shape of the honeycombs, they can also be square or better square.
  • large-volume chambers are created with little use of material for the common partition walls of the air chambers. There are only minor thermal bridges. It is important that the cavities are as large as possible with a relatively small amount of material.
  • the central symmetrical shape of the air chambers also results in uniform rigidity in the transverse and longitudinal directions. However, it is also essential to coat with a reflector layer 3, since this increases the insulation considerably, obviously through the reflection of heat radiation which is produced by lighting fixtures or otherwise.
  • a further advantage for recycling is achieved in that the aluminum foil is attached with an adhesive which enables the aluminum foil to be peeled off and thus the cardboard material to be separated from the aluminum. A separation between the cardboard material and the aluminum foil is thus possible in a simple manner.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)

Abstract

A stiff and self-supporting insulation panel for cooling devices consists of a multiplicity of closed air chambers in a honeycomb construction. The insulation panel is produced from cardboard material. The insulation capability is increased by means of a reflector film which preferably consists of aluminium and with which the covering layer is covered on its outer side. <IMAGE>

Description

Die Erfindung betrifft eine Isolierplatte zum Abdecken von offenen Kühleinrichtungen. Im Gegensatz zu Haushaltskühltruhen werden bei Supermärkten in den Verkaufsräumen offene Gefriertruhen benutzt, bei denen durch die Raumtemperatur viel Kühlenergie aufgebracht werden muß, um in der offenen Kühltruhe die erforderliche niedrige Temperatur halten zu können. Andererseits ist während der Verkaufszeiten ein Schließen oder Abdecken dieser Kühltruhen nicht möglich, damit der Käufer jederzeit ungehindert den Inhalt wahrnehmen und auch herausnehmen kann.The invention relates to an insulating plate for covering open cooling devices. In contrast to household freezers, open freezers are used in supermarkets in the sales rooms, in which a lot of cooling energy has to be applied by the room temperature in order to be able to maintain the required low temperature in the open freezer. On the other hand, it is not possible to close or cover these freezers during sales times so that the buyer can see and remove the contents at any time.

Außerhalb der Verkaufszeiten werden die Kühltruhen jedoch abgedeckt, insbesondere über Nacht. Hierfür werden Rollos aus Aluminiumfolie oder auch Platten genommen. Diese Platten sind aus Kunststoff mit Polyuretanausschäumung hergestellt. Die beiden Außenseiten sind mit einer glatten Alubahn beschichtet, um somit Wärmeeinstrahlungen zu verhindern. Bei den Rollos wird eine Stützeinrichtung benötigt, um ein dichtendes Aufliegen auf den Truhenrändern ohne Durchhängen zu gewährleisten. Nachteilig bei diesen Abdeckplatten ist, daß sie relativ leicht beschädigt werden können. Insbesondere auf der glatten Alufläche sind Eindrücke, Risse o.ä. leicht sichtbar, so daß auch das Aussehen schnell erheblich leidet.However, the freezers are covered outside of sales hours, especially overnight. Roller blinds made of aluminum foil or plates are used for this. These panels are made of plastic with polyurethane foam. The two outer sides are coated with a smooth aluminum sheet to prevent heat radiation. A support device is required for the roller blinds to ensure that they rest on the edges of the chest without sagging. The disadvantage of these cover plates is that they can be damaged relatively easily. Particularly on the smooth aluminum surface there are impressions, cracks or similar. easily visible, so that the appearance quickly suffers significantly.

Ein weiterer Nachteil ist, daß diese Abdeckplatten, weil sie leicht beschädigt werden, einem relativ hohen Verbrauch unterliegen und wegen des Schaumes und Kunststoffes als Sondermüll entsorgt werden müssen. Wird eine Platte beschädigt, so kommt es vor, daß der Schaum im Innern der Platte krümelig wird und in die Lebensmittel fällt.Another disadvantage is that these cover plates, because they are easily damaged, are subject to relatively high consumption and must be disposed of as special waste because of the foam and plastic. If a plate is damaged, it happens that the foam inside the plate becomes crumbly and falls into the food.

Durch die DE-AS 1 803 416 ist eine Wärmeisolierung mit veränderbarem Rauminhalt vorzugsweise für Container bekannt mit einer Wabenschicht zwischen einer äußeren und inneren Hülle. Da zur Anpassung an unterschiedliche Raumverhältnisse die Wabenschicht elastisch sein soll, sind die durch die Waben gebildeten Luftkammern an ihren Enden offen. Im zusammengedrückten Zustand fällt die Luft als Isolation ganz weg. Dadurch ist die Isolationsfähigkeit nur noch auf das Material beschränkt. Außerdem benötigt diese als Auskleidung gedachte Isolierung einen Tragrahmen zu ihrer Stabilisierung. Als Isolierplatte für Kühleinrichtungen ist diese bekannte Vorrichtung nicht geeignet.From DE-AS 1 803 416, thermal insulation with changeable volume is preferably known for containers with a honeycomb layer between an outer and an inner shell. Since the honeycomb layer should be elastic to adapt to different spatial conditions, the air chambers formed by the honeycombs are open at their ends. When compressed, the air falls away completely as insulation. As a result, the insulation ability is only limited to the material. In addition, this insulation, intended as a lining, requires a supporting frame to stabilize it. This known device is not suitable as an insulating plate for cooling devices.

Durch die DE-PS 670 090 ist eine schalldämmende und wärmedichtende Hohlbauplatte bekannt, die eine Wellpapp-Zwischenschicht aus weichem Schrenz- oder weichem Strohpapier aufweist, die durch aneinandergereite Wellpappstreifen gebildet ist. Die offenen Riffelröhren sind mit Karton abgedeckt. Abgesehen von der mangelhaften, in Quer- und Längsrichtung unterschiedlichen Steifigkeit dieser Plattenkonstruktion entstehen durch die Riffelröhren nur sehr kleine Lufträume unter hohem Materialeinsatz. Der Herstellungsaufwand ist hoch. Die Wärmedämmfähigkeit dieser bekannten Plattenkonstruktion ist nicht befriedigend.From DE-PS 670 090 a sound-absorbing and heat-sealing hollow building board is known, which has a corrugated intermediate layer made of soft Schrenz or soft straw paper, which is formed by corrugated cardboard strips. The open corrugated tubes are covered with cardboard. Apart from the inadequate stiffness of this plate construction, which is different in the transverse and longitudinal directions, the corrugated tubes only create very small air spaces with high use of materials. The manufacturing effort is high. The thermal insulation capacity of this known plate construction is not satisfactory.

Aufgabe der vorliegenden Erfindung ist es, eine gut isolierende und stabile Isolierplatte zu schaffen, die zudem keine Entsorgungsprobleme mit sich bringt und auch bei Zerstörung keine Gefahr für die abgedeckten Lebensmittel beinhaltet. Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst.The object of the present invention is to provide a well-insulating and stable insulating plate which, moreover, does not involve any disposal problems and does not pose any danger to the food covered even if it is destroyed. This object is achieved by the features of patent claim 1.

Durch die Bienenwabenstruktur entstehen eine Vielzahl von großvolumigen Luftkammern, die geschlossen sind und durch den Lufteinschluß eine recht gute Isolierwirkung haben. Die erfindungsgemäße Bauweise garantiert auch eine hohe Stabilität sowohl in Quer- als auch in Längsrichtung, so daß die Isolierplatte selbsttragend ist. Der Materialeinsatz ist relativ gering, so daß auch weniger Wärmebrücken entstehen. Wird die Isolierplatte aus Pappmaterial hergestellt, einschließlich der beiden Deckschichten, so werden damit Entsorgungsprobleme vermieden. Die Deckschichten sind zweckmäßig aus Hartkarton hergestellt, so daß die Isolierplatte eine große Festigkeit und Steifigkeit erreicht. Die Isolierfähigkeit, aber auch die Festigkeit der Platte kann dadurch verbessert werden, daß die Deckschicht nach ihrer Außenseite mit einer Reflektorfolie überzogen ist. Hierfür eignet sich insbesondere Aluminium. Weitere Einzelheiten der Erfindung werden anhand der Zeichnungen beschrieben.

Fig. 1
zeigt die erfindungsgemäße Isolierplatte im Querschnitt,
Fig. 2
zeigt in Draufsicht die Wabenschicht,
Fig. 3
zeigt die durch eine Glasfasereinlage strukturierte Oberfläche der Isolierplatte
Fig. 4
zeigt den Aufbau der Reflektorschicht gemäß Fig. 3 im Schnitt.
The honeycomb structure creates a large number of large-volume air chambers, which are closed and have a very good insulating effect due to the inclusion of air. The design according to the invention also guarantees high stability both in the transverse and in the longitudinal direction, so that the insulating plate is self-supporting. The use of materials is relatively low, so that fewer thermal bridges are created. If the insulating plate is made of cardboard material, including the two cover layers, disposal problems are avoided. The cover layers are expediently made of hard cardboard, so that the insulating plate achieves great strength and rigidity. The insulating ability, but also the strength of the plate can be improved by covering the outside of the cover layer with a reflector film. Aluminum is particularly suitable for this. Further details of the invention will be described with reference to the drawings.
Fig. 1
shows the insulating plate according to the invention in cross section,
Fig. 2
shows the top view of the honeycomb layer,
Fig. 3
shows the surface of the insulating plate structured by a glass fiber insert
Fig. 4
shows the structure of the reflector layer according to FIG. 3 in section.

Die Isolierplatte besteht aus einer Wabenschicht 1, die aus Pappe gefertigte sechseckige Waben 11 aufweist. Diese Wabenschicht kann in Bahnen als Meterware hergestellt und in Rollen geliefert werden. Diese Wabenschicht 1 ist auf ihrer Ober- und auf ihrer Unterseite jeweils mit einer Deckschicht 2 verklebt, so daß eine Vielzahl geschlossener Hohlräume entsteht. Diese Deckschichten 2 bestehen ebenfalls aus Pappmaterial. Vorzugsweise wird jedoch hierfür ein Hartkarton verwendet, um eine stabile Fläche und Versteifung der Isolierplatte zu erhalten.The insulating plate consists of a honeycomb layer 1 which has hexagonal honeycombs 11 made of cardboard. This honeycomb layer can be produced in strips by the meter and delivered in rolls. This honeycomb layer 1 is glued to its top and bottom sides with a cover layer 2, so that a large number of closed cavities are created. These cover layers 2 also consist of cardboard material. However, hard cardboard is preferably used for this in order to obtain a stable surface and stiffening of the insulating plate.

Auf die Deckschicht 2 ist eine Reflektorschicht 3 aufgebracht, um Wärmeeinstrahlungen abzuhalten. Gleichzeitig dient diese Reflektorschicht 3 auch dazu, die aus Pappmaterial bestehende Deckschicht 2 gegen Feuchtigkeit, beispielsweise Schwitzwasser, stabil zu machen. Diese Reflektorschicht 3 besteht zweckmäßigerweise aus Alufolie und wird mit einem PU-Kleber (Kleber auf Polyuretanbasis) aufgezogen. Wichtig ist dabei, daß ein dauerelastischer Kleber verwendet wird, damit ein Reißen oder Faltenbilden der Folie vermieden wird. Dieser PU-Kleber erfüllt diese Eigenschaften recht gut.A reflector layer 3 is applied to the cover layer 2 in order to keep out heat radiation. At the same time, this reflector layer 3 also serves to make the cover layer 2 made of cardboard material stable against moisture, for example condensation water. This reflector layer 3 expediently consists of aluminum foil and is applied with a PU adhesive (polyurethane-based adhesive). It is important that a permanently elastic adhesive is used so that tearing or wrinkling of the film is avoided. This PU adhesive fulfills these properties quite well.

Das Aufbringen des Klebers kann
a) durch Aufsprühen oder Aufrakeln
oder besser
b) durch Aufbringen einer Klebefolie erfolgen, auf die dann die Alufolie aufgelegt und unter Wärmeeinwirkung verklebt wird.The application of the adhesive can
a) by spraying or knife application
or better
b) by applying an adhesive film, on which the aluminum foil is then placed and glued under the action of heat.

Damit ist die Platte sofort fertig.The plate is now ready.

Es ist zweckmäßig die Reflektorschicht 3 besonders auszubilden, um die Isolierplatte widerstandsfähiger zu machen. Auf der glatten Alufolie sind Eindrücke und Kratzer sehr schnell sichtbar und machen die Platte unansehnlich. Eine neuartige Reflektorschicht 3, die diese Nachteile nicht hat, besteht aus zwei Alufolien 31 und 32, zwischen welche ein Glasgitter 4 gelegt ist, so daß eine entsprechend dem Glasgitter 4 gerippte und damit strukturierte Reflektorschicht 3 entsteht, die dann auf den Hartkarton aufgebracht wird, wie oben bereits beschrieben. Das Aufbringen dieser Reflektorschicht kann in verschiedener Weise erfolgen. Entweder es wird erst das Glasgitter zwischen die beiden Alufolien 31 und 32 gebracht und dann diese fertiggestellte Reflektorschicht 3 auf die Deckschicht 2 aufgezogen. Es ist aber auch möglich die Alufolien 31 und 32 sowie das Glasgitter 4 nacheinander direkt auf die Deckschicht 2 aufzuziehen. Dabei kann das Strukturgitter 4 auch unmittelbar auf die Deckschicht 2 aufgebracht werden. Die vorgefertigte Reflektorschicht 3 besteht dann nur aus dem Strukturgitter 4, das auf eine Reflektorfolie 31 aufgezogen ist.It is expedient to design the reflector layer 3 in particular in order to make the insulating plate more resistant. Impressions and scratches are very quickly visible on the smooth aluminum foil and make the plate unsightly. A new type of reflector layer 3, which does not have these disadvantages, consists of two aluminum foils 31 and 32, between which a glass grid 4 is placed, so that a reflector layer 3, which is corrugated with the glass grid 4 and is thus structured, is formed, which is then applied to the hard cardboard, as already described above. This reflector layer can be applied in various ways. Either the glass grid is first placed between the two aluminum foils 31 and 32 and then this finished reflector layer 3 on the cover layer 2 raised. However, it is also possible to mount the aluminum foils 31 and 32 and the glass grid 4 one after the other directly onto the cover layer 2. The structural grid 4 can also be applied directly to the cover layer 2. The prefabricated reflector layer 3 then consists only of the structure grating 4, which is drawn onto a reflector film 31.

Um die Isolierplatte auch an den Seiten abzuschließen, ist die Deckschicht 2 als auch die Reflektorschicht 3 mit einer Verlängerung 21, bzw. 33, versehen, die an den Kanten der Platte über die offene Seite heruntergezogen werden. Je nachdem, ob die Isolierplatte noch eine Einfassung bekommt oder nicht, genügt es die Deckschicht 2 oder auch nur die Reflektorschicht 3 zur Abdeckung der offenen Stirnflächen zu benutzen. Sofern sowohl die Deckschicht 2 als auch die Reflektorschicht 3 über die offenen Stirnflächen heruntergezogen ist, erübrigt sich eine zusätzliche Einfassung der Isolierplatte.In order to also seal the insulating plate on the sides, the cover layer 2 and the reflector layer 3 are provided with an extension 21 or 33, which are pulled down over the open side at the edges of the plate. Depending on whether the insulating plate still has a border or not, it is sufficient to use the cover layer 2 or only the reflector layer 3 to cover the open end faces. If both the cover layer 2 and the reflector layer 3 are pulled down over the open end faces, an additional bordering of the insulating plate is unnecessary.

Diese so hergestellten Isolierplatten haben nicht nur eine gute Isolationswirkung, sondern auch sehr gute mechanische Festigkeitseigenschaften. Die Isolation ist sogar besser als die der bekannten ausgeschäumten Kunststoffplatten. Dabei zeigt es sich, daß Luft ein sehr guter Temperaturisolator ist. Anstelle der sechseckigen Form der Waben können diese auch viereckig oder besser quadratisch sein. Auch hier entstehen großvolumige Kammern bei geringem Materialeinsatz für die jeweils gemeinsamen Trennwände der Luftkammern. Es entstehen nur geringe Wärmebrücken. Es kommt darauf an, daß die Hohlräume möglichst groß sind bei verhältnismäßig geringem Materialeinsatz. Die zentralsymmetische Form der Luftkammern bedingt außerdem eine gleichmäßige Steifigkeit in Quer- und Längsrichtung. Wesentlich ist aber auch die Beschichtung mit einer Reflektorschicht 3, da diese die Isolierung erheblich steigert, offensichtlich durch die Reflektion von Wärmestrahlungen, die durch Beleuchtungskörper oder anderes entstehen.The insulation panels produced in this way not only have a good insulation effect, but also very good mechanical strength properties. The insulation is even better than that of the well-known foamed plastic sheets. It shows that air is a very good temperature insulator. Instead of the hexagonal shape of the honeycombs, they can also be square or better square. Here, too, large-volume chambers are created with little use of material for the common partition walls of the air chambers. There are only minor thermal bridges. It is important that the cavities are as large as possible with a relatively small amount of material. The central symmetrical shape of the air chambers also results in uniform rigidity in the transverse and longitudinal directions. However, it is also essential to coat with a reflector layer 3, since this increases the insulation considerably, obviously through the reflection of heat radiation which is produced by lighting fixtures or otherwise.

Ein weiterer Vorteil dieser Platten ist, daß sie zu 100 % recyclingfähiges Material aufweisen und wesentlich preiswerter sind. Die Herstellkosten einer solchen Platte gegenüber den bekannten ausgeschäumten Platten beträgt nur etwa 70 %.Another advantage of these panels is that they are made of 100% recyclable material and are much cheaper. The manufacturing cost of such a board compared to the known foamed boards is only about 70%.

Ein weiterer Vorteil für das Recycling wird dadurch erzielt, daß die Alufolie mit einem Kleber aufgezogen wird, der ein Abziehen der Alufolien und damit ein Trennen des Pappmaterials von dem Aluminium ermöglicht. Damit ist eine Trennung zwischen dem Pappmaterial und der Alufolie in einfacher Weise möglich.A further advantage for recycling is achieved in that the aluminum foil is attached with an adhesive which enables the aluminum foil to be peeled off and thus the cardboard material to be separated from the aluminum. A separation between the cardboard material and the aluminum foil is thus possible in a simple manner.

Claims (14)

Isolierplatte für Kühleinrichtungen mit einer Vielzahl von senkrecht zu den Außendecklagen verlaufenden Luftkammern (11), die an ihren Stirnseiten mit jeweils einer Deckschicht (2) verschlossen sind, dadurch gekennzeichnet, daß die Luftkammern (11) großvolumig im Verhältnis zum Materialeinsatz ausgebildet sind und so eine Wabenschicht (1) bilden, die sowohl in Quer- als auch in Längsrichtung etwa gleiche Stabilitätseigenschaften aufweist.Insulating plate for cooling devices with a multiplicity of air chambers (11) running perpendicular to the outer cover layers, each of which is closed at its end faces with a cover layer (2), characterized in that the air chambers (11) are of large volume in relation to the material used, and so are one Form honeycomb layer (1) which has approximately the same stability properties in both the transverse and longitudinal directions. Isolierplatte nach Anspruch 1, dadurch gekennzeichnet, daß die Luftkammern (11) bienenwabenförmig ausgebildet sind.Insulating plate according to claim 1, characterized in that the air chambers (11) are honeycomb-shaped. Isolierplatte nach Anspruch 1, dadurch gekennzeichnet, daß die Luftkammern (11) quadratisch ausgebildet sind.Insulating plate according to claim 1, characterized in that the air chambers (11) are square. Isolierplatte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Wabenschicht (1) und die beiden Deckschichten (2) aus Pappmaterial bestehen.Insulation according to one of claims 1 to 3, characterized in that said honeycomb layer (1) and the two outer layers (2) consist of cardboard material. Isolierplatte nach Anspruch 4, dadurch gekennzeichnet, daß das Pappmaterial der Deckschichten (2) aus Hartkarton besteht.Insulating plate according to claim 4, characterized in that the cardboard material of the cover layers (2) consists of hard cardboard. Isolierplatte nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Deckschichten (2) auf ihrer Außenseite mit einer Reflektorschicht (3) überzogen sind.Insulating plate according to one or more of claims 1 to 5, characterized in that the outer layers (2) are covered on the outside with a reflector layer (3). Isolierplatte nach Anspruch 6, dadurch gekennzeichnet, daß die Reflektorschicht (3) aus zwei Aluminiumfolien (31,32) besteht, zwischen die ein Strukturgitter (4) eingelegt ist.Insulating plate according to claim 6, characterized in that the reflector layer (3) consists of two aluminum foils (31, 32), between which a structural grid (4) is inserted. Isolierplatte nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß die Deckschicht (2) eine Verlängerung (22) aufweist, die über die Seitenfläche der Isolierplatte heruntergezogen ist.Insulating plate according to claims 1 to 7, characterized in that the cover layer (2) has an extension (22) which is pulled down over the side surface of the insulating plate. Isolierplatte nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Reflektorschicht (3) mit einer Verlängerung (33) über die Seitenfläche der Isolierplatte heruntergezogen ist.Insulating plate according to one or more of claims 1 to 8, characterized in that the reflector layer (3) is pulled down with an extension (33) over the side surface of the insulating plate. Verfahren zur Herstellung einer Isolierplatte nach den Ansprüchen 1 bis 9, dadurch gekennzeichnet, daß auf die Deckschicht (2) eine Klebefolie aufgebracht wird, auf die die Reflektorschicht (3) aufgebracht wird.Process for producing an insulating plate according to Claims 1 to 9, characterized in that an adhesive film is applied to the cover layer (2), to which the reflector layer (3) is applied. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß auf die Deckschicht (2) eine Reflektorfolie (31), anschließend ein Struckturgitter (4) und über das Strukturgitter (4) erneut eine Reflektorfolie (32) aufgebracht wird.A method according to claim 10, characterized in that a reflector film (31), then a structural grille (4) and again a reflector film (32) are applied to the top layer (2) via the structural grille (4). Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß auf die Reflektorfolie (31) ein Strukturgitter (4) aufgebracht wird, das durch eine zweite Reflektorfolie (32) abgedeckt wird, wobei beide Folien (31, 32) miteinander verklebt werden, und anschließend die so verstärkte Reflektorschicht (3) auf die Deckschicht (2) aufgebracht wird.Method according to Claim 10, characterized in that a structural grid (4) is applied to the reflector film (31) and is covered by a second reflector film (32), the two films (31, 32) being glued to one another, and then the so reinforced reflector layer (3) is applied to the cover layer (2). Verfahren nach einem der Ansprüche 11 oder 12, dadurch gekennzeichnet, daß das Strukturgitter (4) unmittelbar auf die Deckschicht (2) aufgebracht wird.Method according to one of claims 11 or 12, characterized in that the lattice structure (4) is applied directly to the covering layer (2). Verfahren zur Herstellung einer Isolierplatte nach einem oder mehreren der Ansprüche 1 bis 13, dadurch gekenn zeichnet, daß das Befestigen der die Deckschichten (2) armierenden Reflektorschicht (3) mittels eines Klebers erfolgt, der ein Abziehen der Reflektorschicht (3) bei der späteren Entsorgung erlaubt.The method is distinguished for the preparation of an insulating board according to one or more of claims 1 to 13, terized in that the fastening of the covering layers (2) be reinforced reflector layer (3) is effected by means of an adhesive, the peeling of the reflector layer (3) during the subsequent disposal allowed.
EP94118017A 1993-11-18 1994-11-15 Insulation panel for a cooling device Expired - Lifetime EP0654642B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4339414 1993-11-18
DE4339414A DE4339414A1 (en) 1993-11-18 1993-11-18 Insulating plate for cooling devices

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EP0654642A1 true EP0654642A1 (en) 1995-05-24
EP0654642B1 EP0654642B1 (en) 1999-01-13

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DE (2) DE4339414A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755159A1 (en) * 1996-10-28 1998-04-30 Panhelleux Gerard Marcel Patri SELF-SUPPORTING INSULATING PANEL
EP1138229A1 (en) * 2000-03-21 2001-10-04 Linde Aktiengesellschaft Barrier cover for a refrigerated display cabinet
EP1228725A2 (en) * 2001-02-02 2002-08-07 Linde AG Insulating member for a show cabinet
WO2003000067A1 (en) * 2001-06-25 2003-01-03 Cfs Weert B.V. Cooling machine for lollipops

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Publication number Priority date Publication date Assignee Title
SE509490C2 (en) * 1996-05-30 1999-02-01 Trygve B Marstrand Rollable thermal cover for supermarket food chillers storing frozen food

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DE670090C (en) * 1933-10-29 1939-01-11 Cartonnagenindustrie Ag F Sound-absorbing and heat-tight hollow construction panel with an intermediate layer of corrugated cardboard between the outer cover layers
EP0319937A2 (en) * 1987-12-10 1989-06-14 Linde Aktiengesellschaft Vending refrigerator

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DE1022425B (en) * 1953-12-04 1958-01-09 Clemens Fa Ludwig Insulating plate protecting against heat and / or cold
FR2335808A1 (en) * 1975-12-19 1977-07-15 Neuhaus Bonnet Deep freezer for display and storage - disconnects upper heat exchanger and reconnects it by movements of cover
DE4017852C2 (en) * 1990-06-02 1993-10-21 Eurocopter Deutschland Flat object with honeycomb structure and process for its production

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DE670090C (en) * 1933-10-29 1939-01-11 Cartonnagenindustrie Ag F Sound-absorbing and heat-tight hollow construction panel with an intermediate layer of corrugated cardboard between the outer cover layers
EP0319937A2 (en) * 1987-12-10 1989-06-14 Linde Aktiengesellschaft Vending refrigerator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755159A1 (en) * 1996-10-28 1998-04-30 Panhelleux Gerard Marcel Patri SELF-SUPPORTING INSULATING PANEL
WO1998019024A1 (en) * 1996-10-28 1998-05-07 Panhelleux Gerard Self-supporting insulating panel
EP1138229A1 (en) * 2000-03-21 2001-10-04 Linde Aktiengesellschaft Barrier cover for a refrigerated display cabinet
DE10013837B4 (en) * 2000-03-21 2008-07-10 Linde Kältetechnik GmbH & Co. KG At least partially refrigerated goods display furniture with at least one cover
EP1228725A2 (en) * 2001-02-02 2002-08-07 Linde AG Insulating member for a show cabinet
EP1228725A3 (en) * 2001-02-02 2004-09-08 Linde Kältetechnik GmbH &amp; Co.KG Insulating member for a show cabinet
WO2003000067A1 (en) * 2001-06-25 2003-01-03 Cfs Weert B.V. Cooling machine for lollipops
NL1018380C2 (en) * 2001-06-25 2003-01-07 Cfs Weert Bv Cooling machine for lollipops.

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DE59407642D1 (en) 1999-02-25
DE4339414A1 (en) 1995-05-24
EP0654642B1 (en) 1999-01-13

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