EP0672368A1 - Table or covering plate - Google Patents

Table or covering plate Download PDF

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Publication number
EP0672368A1
EP0672368A1 EP95101388A EP95101388A EP0672368A1 EP 0672368 A1 EP0672368 A1 EP 0672368A1 EP 95101388 A EP95101388 A EP 95101388A EP 95101388 A EP95101388 A EP 95101388A EP 0672368 A1 EP0672368 A1 EP 0672368A1
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EP
European Patent Office
Prior art keywords
core plate
leg
plate
underside
inner frame
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Granted
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EP95101388A
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German (de)
French (fr)
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EP0672368B2 (en
EP0672368B1 (en
Inventor
Karl-Heinz Meier
Max Meier
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Mecalit GmbH Kunststoffverarbeitung
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Mecalit GmbH Kunststoffverarbeitung
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Application filed by Mecalit GmbH Kunststoffverarbeitung filed Critical Mecalit GmbH Kunststoffverarbeitung
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/08—Table tops; Rims therefor
    • A47B13/083—Rims for table tops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0001—Tops
    • A47B2200/0004—Two-piece protecting frame for worktops

Definitions

  • the invention relates to a table or cover plate with the features of the preamble of claim 1.
  • the edge protection has several functions: on the one hand, it is to protect the edges against mechanical damage, and on the other hand, to protect the user from injuries. If the core plate consists of a wood-based material, the open-pore cut edges of the core plate should also be protected against dirt and moisture. Finally, the edge protection is intended to facilitate the grip of the plate and thus also the manageability and portability of a piece of furniture or kitchen appliance provided with the plate, for example a table, refrigerator, washing machine, tumble dryer or the like. The last-mentioned purpose is the measure frequently encountered, of extending the edge protector beyond the underside of the plate, so that the plate can be securely gripped.
  • the goal is to pull down the edge protection to cover the gap between the plate and the device housing.
  • functional parts such as sleeves, clips and the like, are injection molded from plastic on the underside of the plate, by means of which the plate is fastened to the device housing. These functional parts are also covered by the edge protection.
  • the edge protection consists of a mechanically sufficiently stable plastic that is resistant to more or less aggressive media and weathering. This plastic is sprayed onto the open-pore cut edges of the core plate in an injection molding tool, in which the prefabricated core plate with the covering layer on one or both sides is inserted, so that the plastic penetrates into the pores and the edge protection is interlocked with the core plate. At the same time, the edge protector overlaps at least the top of the core plate. This results in a firm and at the same time tight connection between the edge protection and core plate. It is also known to manufacture the edge protection in a separate operation, e.g. by injection molding or by extruding a strip-like profile, and in a further operation by gluing to the core plate.
  • the known injection molding of the edge protection on the core plate has the advantage that the desired functions can be achieved in a cost-effective manner.
  • a disadvantage is the fact that the edge protector can no longer be released afterwards. For environmental reasons, this problem arises when the table top or cover plate, possibly also the furniture assembled by it, is damaged or in some other way has become worthless or unusable and is to be recycled or there is a take-back obligation on the part of the manufacturer - such is provided for example in refrigerated cabinets - which then has to take care of the disposal and recycling if necessary. It is then particularly necessary to separate materials, so that it is desirable for cover plates or table tops to be able to completely or at least largely separate the edge protector with its relatively high plastic content, which is also recyclable, from the core plate.
  • edge protection consists of two angle profiles molded as a closed frame, of which an outer frame with a long leg covers the cut surfaces of the core plate and the underside thereof protrudes and overlaps the top with its other leg, while the other, inner frame rests with its one leg on the inside of the long leg of the outer frame on its area projecting beyond the underside and with its other leg on the underside of the core plate, and that after inserting the Core plate in the outer frame, both frames are connected to each other on their adjacent legs.
  • the two closed frames made of angular profiles can be easily produced by injection molding and thus have a sufficiently dimensionally stable design.
  • the prefabricated core plate can be inserted from above into the outer frame lying on its short leg, so that its top rests on the inside of this leg of the angle profile, while the other longer leg protrudes upwards.
  • the inner frame is then applied in an approximately parallel arrangement with the outer frame from above onto the underside of the core plate until one leg rests on the underside of the core plate.
  • a closed frame-like structure is provided which completely surrounds the core plate, which covers, if necessary, open-pored cut surfaces and overlaps the edges of the core plate on the top and bottom so that the cut surfaces are effectively protected against the ingress of dirt and moisture.
  • the known plate has certain disadvantages when it is exposed as a cover plate for household machines and appliances in addition to moisture and thermal stress.
  • the plate can warp, in particular, but the edge protector can also be damaged. This applies in particular to cover plates for washing machines, dishwashers, dryers or the like.
  • the invention has for its object to further develop the known plate described above so that it withstands thermal loads without damage with sufficient moisture protection.
  • This object is achieved in that a gap is provided between the inner frame and at least two adjacent cut surfaces of the core plate, and that an elastic seal is arranged at least between the leg of the outer frame spanning the top of the core plate and the top of the core plate.
  • a gap is present between the frame forming the edge protection and the lateral end faces of the core plate, which gap serves as an expansion gap.
  • This gap gives the plate sufficient leeway for stretching movements in the plane of the plate when stretching due to changes in temperature.
  • the edge protection means that the plate is not firmly clamped. As a result, it cannot warp.
  • the edge protector is also not stressed by the stretching movements of the plate, so that there can be no damage to the plate or to the edge protector.
  • the seal which is arranged at least between the leg of the outer frame overlapping the upper side of the core plate and the core plate, prevents the ingress of moisture, which accumulates primarily on the upper side of the core plate, which forms the working surface.
  • a seal is preferably also arranged between the leg of the inner frame which overlaps the underside of the core plate and this underside, so that any access to moisture to the cut surfaces of the core plate is effectively prevented.
  • the household machines in question here such as dishwashers, washing machines or dryers, have a thermal insulated housing on.
  • the invention makes it possible to partially or completely dispense with the insulation of the housing in the upper region and instead to provide the cover plate below the core plate with a corresponding insulation plate which takes over the thermal insulation upwards.
  • This plate-shaped insulation can, for example, be glued to the core plate.
  • leg of the outer or inner frame has a circumferential recess on the side facing the core plate for receiving the seal.
  • the elastic seal protrude only slightly from the corresponding surface of the leg in order to achieve a sufficient sealing effect; on the other hand, the leg lies so close to the core plate that dirt, dust or the like does not penetrate between the leg and the core plate can.
  • the seal can either be injected into the recess or glued in as a band-shaped seal.
  • the inner frame has a leg which extends over the entire height of the cut surface of the core plate and which abuts the underside of the leg of the outer frame which overlaps the top of the core plate and which delimits the gap on one side.
  • the design can be such that the leg of the inner frame extending over the cut surface of the core plate extends to the lower edge of the longer leg of the outer frame and is connected to it via the further leg.
  • the two angle profiles forming the edge protection are connected to form a closed frame with a smooth surface on the outside.
  • the gap between the core plate and the inner frame can be adapted to the respective need.
  • a minimum width of at least 0.5 mm on all sides is recommended. This gap can of course also be used to compensate for manufacturing tolerances between the edge protection and the core plate.
  • the cover or table top has a core plate 1 made of a wood-based material, which is provided with a moisture-proof cover layer at least on its upper side 2 and possibly also on its underside 3, while the cut surfaces 4 are open and generally have a porous surface .
  • the core plate can also consist of glass, plastic or metal, for example aluminum.
  • the plate has an edge protector 5, which cuts the cut surfaces 4 covers and at the same time overlaps the core plate 1 on the top 2 and the bottom 3. If the panel is made of a wood-based material, in addition to the protective function, the access of moisture to the cut surface is prevented.
  • the edge protection consists of an outer frame 6 and an inner frame 7, which each consist of an angular profile. Both frames are made separately by injection molding.
  • the outer frame 6 has a short leg 8 and a long leg 9. With the leg 8, the outer frame 6 engages over the top 2 of the core plate 1, while the longer leg 9 projects beyond the bottom 3 of the core plate 1.
  • the inner frame 7 has a short leg 12 lying against the underside 3 of the core plate 1 and a further leg 11 with which it is connected to the longer leg 9 of the outer frame 6, for example by welding, gluing or the like.
  • the inner frame 7 has a leg 13 which extends over the height of the cut surface 4 of the core plate 1.
  • a gap 10 which serves as an expansion gap for the core plate 1.
  • This gap should be present on at least two adjacent cut surfaces of the core plate 1, but may also be circumferential if necessary.
  • an elastic seal 14 is arranged, which is preferably injected or poured into a recess 15 on the leg 8 or is glued in.
  • a further seal 16 is arranged between the leg 12 of the inner frame 7 and the underside 3 of the core plate 1, which in turn is preferably introduced into a depression 17 on the leg 12.
  • Figure 2 differs from that of Figure 1 only in that an insulating plate 18 is arranged on the underside 3 of the core plate 1, which forms a thermal insulation between the household appliance to be covered and the core plate.
  • the inner frame 7 also forms a further functional part in which the lower leg 11 extends below the core plate and is supported by ribs 19, 20 on the underside of the core plate.
  • the frame parts 11, 19 and 20 also serve as an aid for fastening the cover plate to the household machine.
  • FIG. 4 A similar design is shown in FIG. 4 with a thinner core plate and higher ribs 19, 20.
  • the plate overlapped by the edge protection consists of the core plate 1 and a further insert plate 21, which in turn can be formed, for example, from an insulating material.
  • the lower leg 11 of the inner frame overlaps the insert plate 21 in a corresponding depression on the underside and there has the seal 16.

Abstract

The table top has a gap located between an inner frame (7) and at least two adjacent section planes (4) of the core panel (1). At least between one arm of an outer frame (6) gripping over the top side (2) of the core panel, and the top of the core panel is an elastic seal (14). Between the side of the inner frame next to the underside (3) of the core panel, and the underside of the core panel is a seal (16). The arms (8,12) on the outer and inner frame (6,7) have recesses (15,17) to accommodate the seal, on the side facing the core panel.

Description

Die Erfindung betrifft eine Tisch- oder Abdeckplatte mit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a table or cover plate with the features of the preamble of claim 1.

Bei Platten der vorgenannten Art hat der Kantenschutz mehrere Funktionen: Zum einen soll er die Kanten gegen mechanische Beschädigung, zum anderen den Benutzer vor Verletzungen schützen. Besteht die Kernplatte aus einem Holzwerkstoff, sollen ferner die offenporigen Schnittkanten der Kernplatte gegen Verschmutzungen und Feuchtigkeitszutritt geschützt werden. Schließlich soll der Kantenschutz die Griffigkeit der Platte und damit auch die Handhabbarkeit und Transportfähigkeit eines mit der Platte versehenen Möbels oder Küchengerätes, z.B. Tisch, Kühlmöbel, Waschmaschine, Wäschetrockner oder dergleichen, erleichtern. Dem letztgenannten Zweck dient die weiterhin häufig anzutreffende Maßnahme, den Kantenschutz über die Unterseite der Platte hinaus zu verlängern, so daß die Platte sicher untergriffen werden kann. Bei Küchengeräten, bei denen die Abdeckplatte vornehmlich als Abstell- und Arbeitsfläche dient, wird mit dem nach unten gezogenen Kantenschutz das Ziel verfolgt, den Spalt zwischen der Platte und dem Gerätegehäuse abzudecken. Auch sind in diesem Fall an der Unterseite der Platte häufig Funktionsteile, wie Hülsen, Clips und dergleichen aus Kunststoff angespritzt, mittels der die Platte am Gerätegehäuse befestigt ist. Auch diese Funktionsteile werden durch den Kantenschutz verdeckt.With panels of the aforementioned type, the edge protection has several functions: on the one hand, it is to protect the edges against mechanical damage, and on the other hand, to protect the user from injuries. If the core plate consists of a wood-based material, the open-pore cut edges of the core plate should also be protected against dirt and moisture. Finally, the edge protection is intended to facilitate the grip of the plate and thus also the manageability and portability of a piece of furniture or kitchen appliance provided with the plate, for example a table, refrigerator, washing machine, tumble dryer or the like. The last-mentioned purpose is the measure frequently encountered, of extending the edge protector beyond the underside of the plate, so that the plate can be securely gripped. For kitchen appliances where the cover plate is primarily used as a Storage and work surface, the goal is to pull down the edge protection to cover the gap between the plate and the device housing. In this case, too, functional parts, such as sleeves, clips and the like, are injection molded from plastic on the underside of the plate, by means of which the plate is fastened to the device housing. These functional parts are also covered by the edge protection.

Der Kantenschutz besteht aus einem mechanisch ausreichend stabilen und gegen mehr oder minder aggressive Medien sowie gegen Bewitterung beständigen Kunststoff. Dieser Kunststoff wird in einem Spritzgußwerkzeug, in das die vorgefertigte Kernplatte mit der ein- oder beidseitigen Deckschicht eingelegt wird, auf die offenporigen Schnittkanten der Kernplatte aufgespritzt, so daß der Kunststoff in die Poren eindringt und der Kantenschutz mit der Kernplatte verzahnt wird. Zugleich übergreift der Kantenschutz zumindest die Oberseite der Kernplatte. Damit ergibt sich eine feste und zugleich dichte Verbindung von Kantenschutz und Kernplatte. Es ist ferner bekannt, den Kantenschutz in einem gesonderten Arbeitsgang zu fertigen, z.B. durch Spritzgießen oder durch Extrudieren eines leistenartigen Profils, und in einem weiteren Arbeitsgang durch Kleben mit der Kernplatte zu verbinden.The edge protection consists of a mechanically sufficiently stable plastic that is resistant to more or less aggressive media and weathering. This plastic is sprayed onto the open-pore cut edges of the core plate in an injection molding tool, in which the prefabricated core plate with the covering layer on one or both sides is inserted, so that the plastic penetrates into the pores and the edge protection is interlocked with the core plate. At the same time, the edge protector overlaps at least the top of the core plate. This results in a firm and at the same time tight connection between the edge protection and core plate. It is also known to manufacture the edge protection in a separate operation, e.g. by injection molding or by extruding a strip-like profile, and in a further operation by gluing to the core plate.

Das bekannte Anspritzen des Kantenschutzes an der Kernplatte hat den Vorteil, daß sich die angestrebten Funktionen in kostengünstiger Weise erreichen lassen. Von Nachteil ist die Tatsache, daß sich der Kantenschutz nachträglich nicht mehr lösen läßt. Dieses Problem stellt sich aus Umweltschutzgründen dann, wenn die Tischplatte oder Abdeckplatte, gegebenenfalls auch das durch sie konfektionierte Möbel beschädigt oder in anderer Weise wertlos oder unbrauchbar geworden ist und der Abfallverwertung zugeführt werden soll oder aber eine Rücknahmeverpflichtung des Herstellers besteht -eine solche ist z.B. bei Kühlmöbeln vorgesehen- der dann für die Entsorgung und gegebenenfalls Wiederverwertung zu sorgen hat. Es ist dann insbesondere eine Trennung nach Materialien notwendig, so daß es bei Abdeckplatten bzw. Tischplatten wünschenswert ist, den Kantenschutz mit seinem relativ hohen Kunststoffanteil, der im übrigen wiederverwertbar ist, von der Kernplatte ganz oder doch wenigstens größtenteils trennen zu können.The known injection molding of the edge protection on the core plate has the advantage that the desired functions can be achieved in a cost-effective manner. A disadvantage is the fact that the edge protector can no longer be released afterwards. For environmental reasons, this problem arises when the table top or cover plate, possibly also the furniture assembled by it, is damaged or in some other way has become worthless or unusable and is to be recycled or there is a take-back obligation on the part of the manufacturer - such is provided for example in refrigerated cabinets - which then has to take care of the disposal and recycling if necessary. It is then particularly necessary to separate materials, so that it is desirable for cover plates or table tops to be able to completely or at least largely separate the edge protector with its relatively high plastic content, which is also recyclable, from the core plate.

Dies ermöglicht die bekannte Ausführungsform nach dem Oberbegriff des Anspruchs 1 (EP 0 555 738 A1) dadurch, daß der Kantenschutz aus zwei, als geschlossene Rahmen gespritzen Winkelprofilen besteht, von denen ein äußerer Rahmen mit einem langen Schenkel die Schnittflächen der Kernplatte abdeckt und deren Unterseite überragt und mit seinem anderen Schenkel die Oberseite übergreift, während der andere, innere Rahmen mit seinem einen Schenkel der Innenseite des langen Schenkels des äußeren Rahmens an dessen die Unterseite überragenden Bereich und mit seinem anderen Schenkel der Unterseite der Kernplatte anliegt, und daß nach Einlegen der Kernplatte in den äußeren Rahmen, beide Rahmen an ihren einander anliegenden Schenkeln miteinander verbunden sind.This is made possible by the known embodiment according to the preamble of claim 1 (EP 0 555 738 A1) in that the edge protection consists of two angle profiles molded as a closed frame, of which an outer frame with a long leg covers the cut surfaces of the core plate and the underside thereof protrudes and overlaps the top with its other leg, while the other, inner frame rests with its one leg on the inside of the long leg of the outer frame on its area projecting beyond the underside and with its other leg on the underside of the core plate, and that after inserting the Core plate in the outer frame, both frames are connected to each other on their adjacent legs.

Die beiden geschlossenen Rahmen aus Winkelprofilen lassen sich in einfacher Weise durch Spritzgießen herstellen und weisen damit eine ausreichend formstabile Ausbildung auf. Die vorgefertigte Kernplatte kann von oben in den auf seinem kurzen Schenkel liegenden, äußeren Rahmen eingelegt werden, so daß sie mit ihrer Oberseite auf der Innenseite dieses Schenkels des Winkelprofils aufliegt, während der andere längere Schenkel nach oben ragt. Anschließend wird der innere Rahmen bei etwa paralleler Anordnung mit dem äußeren Rahmen von oben auf die Unterseite der Kernplatte aufgebracht, bis sein einer Schenkel der Unterseite der Kernplatte aufliegt. Durch Verbinden der einander anliegenden Schenkein ist ein geschlossenes rahmenartiges Gebilde gegeben, das die Kernplatte vollständig umgibt, deren gegebenenfalls offenporige Schnittflächen abdeckt und die Kanten der Kernplatte ober- und unterseitig übergreift, so daß die Schnittflächen gegen Zutritt von Schmutz und Feuchtigkeit wirksam geschützt sind. Damit ergibt sich ein ebenso funktionsgerechter Aufbau wie bei einem aufgespritzten Kantenschutz. Auf der anderen Seite ist es aber ohne weiteres möglich, den Kantenschutz mit geringem Kraftaufwand von der Kernplatte zu entfernen und diese beiden Komponenten sortenrein zu gewinnen, da es an einer stoffschlüssigen bzw. -bei aufgespritztem Kantenschutz- innigen Verbindung von Kanteschutz und Kernplatte fehlt.The two closed frames made of angular profiles can be easily produced by injection molding and thus have a sufficiently dimensionally stable design. The prefabricated core plate can be inserted from above into the outer frame lying on its short leg, so that its top rests on the inside of this leg of the angle profile, while the other longer leg protrudes upwards. The inner frame is then applied in an approximately parallel arrangement with the outer frame from above onto the underside of the core plate until one leg rests on the underside of the core plate. By connecting the adjoining legs, a closed frame-like structure is provided which completely surrounds the core plate, which covers, if necessary, open-pored cut surfaces and overlaps the edges of the core plate on the top and bottom so that the cut surfaces are effectively protected against the ingress of dirt and moisture. This results in an assembly that is just as functional as with a sprayed-on edge protection. On the other hand, however, it is easily possible to remove the edge protection from the core plate with little effort and to obtain these two components according to type, since there is no cohesive connection between the edge protection and the core plate.

Die bekannte Platte hat dann, wenn sie als Abdeckplatte für Haushaltsmaschinen und -geräte außer einer Feuchtigkeitsbelastung auch einer thermischen Belastung ausgesetzt ist, gewisse Nachteile. Es kann insbesondere zum Verwölben der Platte, aber auch zu Beschädigungen des Kantenschutzes kommen. Dies gilt insbesondere für Abdeckplatten von Waschmaschinen, Spülmaschinen, Trocknern oder dergleichen.The known plate has certain disadvantages when it is exposed as a cover plate for household machines and appliances in addition to moisture and thermal stress. The plate can warp, in particular, but the edge protector can also be damaged. This applies in particular to cover plates for washing machines, dishwashers, dryers or the like.

Der Erfindung liegt die Aufgabe zugrunde, die zuvor beschriebene bekannte Platte dahingehend weiterzubilden, daß sie bei ausreichendem Feuchtigkeitsschutz thermischen Belastungen beschädigungsfrei standhält.The invention has for its object to further develop the known plate described above so that it withstands thermal loads without damage with sufficient moisture protection.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß zwischen dem inneren Rahmen und wenigstens zwei benachbarten Schnittflächen der Kernplatte ein Spalt vorgesehen ist, und daß zumindest zwischen dem die Oberseite der Kernplatte übergreifenden Schenkel des äußeren Rahmens und der Oberseite der Kernplatte eine elastische Dichtung angeordnet ist.This object is achieved in that a gap is provided between the inner frame and at least two adjacent cut surfaces of the core plate, and that an elastic seal is arranged at least between the leg of the outer frame spanning the top of the core plate and the top of the core plate.

Bei der erfindungemäßen Ausbildung ist zunächst zwischen dem den Kantenschutz bildenden Rahmen und den seitlichen Stirnflächen der Kernplatte ein Spalt vorhanden, der als Dehnungsspalt dient. Dieser Spalt gibt der Platte beim Dehnen aufgrund einer Temperaturwechselbeanspruchung einen ausreichenden Spielraum für Dehnungsbewegungen in der Plattenebene. Die Platte ist also durch den Kantenschutz nicht fest eingespannt. Sie kann sich folglich nicht verwölben. Ebenso wenig wird der Kantenschutz durch die Dehnungsbewegungen der Platte beansprucht, so daß es weder zu Beschädigungen an der Platte, noch am Kantenschutz kommen kann. Andererseits wird mit der Dichtung, die wenigstens zwischen dem die Oberseite der Kernplatte übergreifenden Schenkel des äußeren Rahmens und der Kernplatte angeordnet ist, der Zutritt von Feuchtigkeit, die sich vornehmlich an der Oberseite der Kernplatte, die die Arbeitsfläche bildet, ansammelt, verhindert.In the embodiment according to the invention, a gap is present between the frame forming the edge protection and the lateral end faces of the core plate, which gap serves as an expansion gap. This gap gives the plate sufficient leeway for stretching movements in the plane of the plate when stretching due to changes in temperature. The edge protection means that the plate is not firmly clamped. As a result, it cannot warp. The edge protector is also not stressed by the stretching movements of the plate, so that there can be no damage to the plate or to the edge protector. On the other hand, the seal, which is arranged at least between the leg of the outer frame overlapping the upper side of the core plate and the core plate, prevents the ingress of moisture, which accumulates primarily on the upper side of the core plate, which forms the working surface.

Vorzugsweise ist auch zwischen dem die Unterseite der Kernplatte übergreifenden Schenkel des inneren Rahmens und dieser Unterseite eine Dichtung angeordnet, so daß jeglicher Feuchtigkeitszutritt zu den Schnittflächen der Kernplatte wirksam verhindert ist.A seal is preferably also arranged between the leg of the inner frame which overlaps the underside of the core plate and this underside, so that any access to moisture to the cut surfaces of the core plate is effectively prevented.

Die hier in Rede stehenden Haushaltsmaschinen, wie Spülmaschinen, Waschmaschinen oder Trockner weisen ein thermisch isoliertes Gehäuse auf. Die Erfindung gibt die Möglichkeit, auf die Isolation des Gehäuses im oberen Bereich teilweise oder ganz zu verzichten und stattdessen die Abdeckplatte unterhalb der Kernplatte mit einer entsprechenden Isolationsplatte zu versehen, die die thermische Isolierung nach oben übernimmt. Diese plattenförmige Isolation kann auf die Kernplatte beispielsweise aufgeklebt sein.The household machines in question here, such as dishwashers, washing machines or dryers, have a thermal insulated housing on. The invention makes it possible to partially or completely dispense with the insulation of the housing in the upper region and instead to provide the cover plate below the core plate with a corresponding insulation plate which takes over the thermal insulation upwards. This plate-shaped insulation can, for example, be glued to the core plate.

In bevorzugter Ausführung ist vorgesehen, daß der Schenkel des äußeren bzw. inneren Rahmens an der der Kernplatte zugekehrten Seite eine umlaufende Vertiefung zur Aufnahme der Dichtung aufweist.In a preferred embodiment it is provided that the leg of the outer or inner frame has a circumferential recess on the side facing the core plate for receiving the seal.

Mit dieser Ausbildung ist es möglich, daß die elastische Dichtung die entsprechende Oberfläche des Schenkels nur wenig überragt, um eine ausreichende Dichtwirkung zu erzielen, andererseits liegt der Schenkel so eng an der Kernplatte an, daß Schmutz, Staub oder dergleichen nicht zwischen Schenkel und Kernplatte eindringen kann.With this design, it is possible for the elastic seal to protrude only slightly from the corresponding surface of the leg in order to achieve a sufficient sealing effect; on the other hand, the leg lies so close to the core plate that dirt, dust or the like does not penetrate between the leg and the core plate can.

Die Dichtung kann entweder in die Vertiefung eingespritzt oder als bandförmige Dichtung eingeklebt sein.The seal can either be injected into the recess or glued in as a band-shaped seal.

Gemäß einer weiteren Ausführungsform ist vorgesehen, daß der innere Rahmen einen sich über die gesamte Höhe der Schnittfläche der Kernplatte erstreckenden Schenkel aufweist, der der Unterseite des die Oberseite der Kernplatte übergreifenden Schenkels des äußeren Rahmens anliegt und der den Spalt an seiner einen Seite begrenzt.According to a further embodiment it is provided that the inner frame has a leg which extends over the entire height of the cut surface of the core plate and which abuts the underside of the leg of the outer frame which overlaps the top of the core plate and which delimits the gap on one side.

Auf diese Weise ergibt sich ein außerordentlich stabiler Kantenschutz, der zudem den notwendigen Dehnungspalt zwischen sich und der Kernplatte beläßt.This results in extremely stable edge protection, which also leaves the necessary expansion gap between itself and the core plate.

Dabei kann die Ausbildung so getroffen sein, daß der sich über die Schnittfläche der Kernplatte erstreckende Schenkel des inneren Rahmens bis zur Unterkante des längeren Schenkels des äußeren Rahmens reicht und mit diesem über den weiteren Schenkel verbunden ist.The design can be such that the leg of the inner frame extending over the cut surface of the core plate extends to the lower edge of the longer leg of the outer frame and is connected to it via the further leg.

Die beiden den Kantenschutz bildenden Winkelprofile sind bei der vorgenannten Ausführungsform zu einem geschlossenen Rahmen mit außenseitig glatter Oberfläche verbunden.In the aforementioned embodiment, the two angle profiles forming the edge protection are connected to form a closed frame with a smooth surface on the outside.

Der Spalt zwischen Kernplatte und innerem Rahmen kann an den jeweiligen Bedarfsfall angepaßt werden. Dabei empfiehlt sich als Minimalmaß eine Spaltbreite von allseitig wenigstens 0,5mm. Mit diesem Spalt können natürlich auch Fertigungstoleranzen zwischen Kantenschutz und Kernplatte ausgeglichen werden.The gap between the core plate and the inner frame can be adapted to the respective need. A minimum width of at least 0.5 mm on all sides is recommended. This gap can of course also be used to compensate for manufacturing tolerances between the edge protection and the core plate.

Nachstehend ist die Erfindung anhand einiger in der Zeichnung wiedergebener Ausführungsbeispiele beschrieben, die in den Figuren 1 bis 5 einen Schnitt durch den Kantenschutz und durch die abgebrochen dargestellte Kernplatte zeigt.The invention is described below with reference to some exemplary embodiments shown in the drawing, which shows a section through the edge protection and through the broken core plate shown in Figures 1 to 5.

Die Abdeck- oder Tischplatte weist in sämtlichen Ausführungsformen eine Kernplatte 1 aus einem Holzwerkstoff auf, die zumindest an ihrer Oberseite 2 gegebenenfalls auch an ihrer Unterseite 3 mit einer feuchtigkeitsdichten Deckschicht versehen ist, während die Schnittflächen 4 offen sind und in der Regel eine porige Oberfläche besitzen. Die Kernplatte kann aber auch aus Glas, Kunststoff oder Metall z.B. Aluminium, bestehen. Ferner weist die Platte einen Kantenschutz 5 auf, der die Schnittflächen 4 abdeckt und zugleich die Kernplatte 1 an der Oberseite 2 und der Unterseite 3 übergreift. Besteht die Platte aus einem Holzwerkstoff, wird zusätzlich zur Schutzfunktion der Zutritt von Feuchtigkeit zur Schnittfläche verhindert.In all embodiments, the cover or table top has a core plate 1 made of a wood-based material, which is provided with a moisture-proof cover layer at least on its upper side 2 and possibly also on its underside 3, while the cut surfaces 4 are open and generally have a porous surface . The core plate can also consist of glass, plastic or metal, for example aluminum. Furthermore, the plate has an edge protector 5, which cuts the cut surfaces 4 covers and at the same time overlaps the core plate 1 on the top 2 and the bottom 3. If the panel is made of a wood-based material, in addition to the protective function, the access of moisture to the cut surface is prevented.

Bei allen Ausführungsbeispielen besteht der Kantenschutz aus einem äußeren Rahmen 6 und einem inneren Rahmen 7, die jeweils aus einem Winkelprofil bestehen. Beide Rahmen sind getrennt durch Spritzgießen hergestellt. Der äußere Rahmen 6 weist einen kurzen Schenkel 8 und einen langen Schenkel 9 auf. Mit dem Schenkel 8 übergreift der äußere Rahmen 6 die Oberseite 2 der Kernplatte 1, während der längere Schenkel 9 die Unterseite 3 der Kernplatte 1 nach unten überragt. Der innere Rahmen 7 weist einen der Unterseite 3 der Kernplatte 1 anliegenden kurzen Schenkel 12 und einen weiteren Schenkel 11 auf, mit dem er mit dem längeren Schenkel 9 des äußeren Rahmens 6 verbunden ist, beispielsweise durch Schweißen, Kleben oder dergleichen. Schließlich weist der innere Rahmen 7 einen Schenkel 13 auf, der sich über die Höhe der Schnittfläche 4 der Kernplatte 1 erstreckt.In all of the exemplary embodiments, the edge protection consists of an outer frame 6 and an inner frame 7, which each consist of an angular profile. Both frames are made separately by injection molding. The outer frame 6 has a short leg 8 and a long leg 9. With the leg 8, the outer frame 6 engages over the top 2 of the core plate 1, while the longer leg 9 projects beyond the bottom 3 of the core plate 1. The inner frame 7 has a short leg 12 lying against the underside 3 of the core plate 1 and a further leg 11 with which it is connected to the longer leg 9 of the outer frame 6, for example by welding, gluing or the like. Finally, the inner frame 7 has a leg 13 which extends over the height of the cut surface 4 of the core plate 1.

Zwischen dem Schenkel 13 und der Schnittfläche 4 der Kernplatte ist ein Spalt 10 vorhanden, der als Dehnungsspalt für die Kernplatte 1 dient. Dieser Spalt sollte an wenigstens zwei benachbarten Schnittflächen der Kernplatte 1 vorhanden sein, kann gegebenenfalls aber auch umlaufend sein.Between the leg 13 and the cut surface 4 of the core plate there is a gap 10 which serves as an expansion gap for the core plate 1. This gap should be present on at least two adjacent cut surfaces of the core plate 1, but may also be circumferential if necessary.

Zwischen dem kurzen Schenkel 8 des äußeren Rahmens 6 und der Oberseite 2 der Kernplatte 1 ist eine elastische Dichtung 14 angeordnet, die vorzugsweise in eine Vertiefung 15 an dem Schenkel 8 eingespritzt, eingegossen oder eingeklebt ist. Bei dem Ausführungsbeispiel gemäß Figur 1 ist eine weitere Dichtung 16 zwischen dem Schenkel 12 des inneren Rahmens 7 und der Unterseite 3 der Kernplatte 1 angeordnet, die wiederum vorzugsweise in eine Vertiefung 17 an dem Schenkel 12 eingebracht ist. Diese Dichtungen verhindern den Feuchtigkeitszutritt zu der Schnittfläche 4 der Kernplatte 1.Between the short leg 8 of the outer frame 6 and the top 2 of the core plate 1, an elastic seal 14 is arranged, which is preferably injected or poured into a recess 15 on the leg 8 or is glued in. In the exemplary embodiment according to FIG. 1, a further seal 16 is arranged between the leg 12 of the inner frame 7 and the underside 3 of the core plate 1, which in turn is preferably introduced into a depression 17 on the leg 12. These seals prevent moisture from entering the cut surface 4 of the core plate 1.

Das Ausführungsbeispiel gemäß Figur 2 unterscheidet sich von dem der Figur 1 lediglich dadurch, daß an der Unterseite 3 der Kernplatte 1 eine Isolierplatte 18 angeordnet ist, die zwischen der abzudeckenden Haushaltsmaschine und der Kernplatte eine thermische Isolierung bildet.The embodiment of Figure 2 differs from that of Figure 1 only in that an insulating plate 18 is arranged on the underside 3 of the core plate 1, which forms a thermal insulation between the household appliance to be covered and the core plate.

Bei dem Ausführungsbeispiel gemäß Figur 3 bildet der innere Rahmen 7 zugleich ein weiteres Funktionsteil, in dem der untere Schenkel 11 sich bis unter die Kernplatte erstreckt und über Rippen 19, 20 an der Unterseite der Kernplatte abgestützt ist. Hier dienen die Rahmenteile 11, 19 und 20 zugleich als Hilfsmittel für die Befestigung der Abdeckplatte an der Haushaltsmaschine. Eine ähnliche Ausbildung zeigt Figur 4 bei dünnerer Kernplatte und höheren Rippen 19, 20.In the exemplary embodiment according to FIG. 3, the inner frame 7 also forms a further functional part in which the lower leg 11 extends below the core plate and is supported by ribs 19, 20 on the underside of the core plate. Here the frame parts 11, 19 and 20 also serve as an aid for fastening the cover plate to the household machine. A similar design is shown in FIG. 4 with a thinner core plate and higher ribs 19, 20.

Bei dem Ausführungsbeispiel gemäß Figur 5 besteht die von dem Kantenschutz übergriffene Platte aus der Kernplatte 1 und einer weiteren Einlegerplatte 21, die beispielsweise wiederum aus einem Isolierwerkstoff gebildet sein kann. In diesem Fall übergreift der untere Schenkel 11 des inneren Rahmens die Einlegerplatte 21 in einer entsprechenden Vertiefung an der Unterseite und weist dort die Dichtung 16 auf.In the exemplary embodiment according to FIG. 5, the plate overlapped by the edge protection consists of the core plate 1 and a further insert plate 21, which in turn can be formed, for example, from an insulating material. In this case, the lower leg 11 of the inner frame overlaps the insert plate 21 in a corresponding depression on the underside and there has the seal 16.

Claims (8)

Tisch- oder Abdeckplatte, bestehend aus wenigstens einer Kernplatte (1) mit einer Oberseite (2), einer Unterseite (3) und seitlichen Schnittflächen (4) und einem die Oberseite und die Unterseite der Kernplatte übergreifenden, umlaufenden Kantenschutz (5) aus einem Kunststoffprofil, der aus zwei, als geschlossene Rahmen (6, 7) gespritzten Winkelprofilen besteht, von denen ein äußerer Rahmen (6) mit einem langen Schenkel (9) die Unterseite (3) der Kernplatte (1) überragt und mit seinem anderen Schenkel (8) die Oberseite übergreift, während der andere, innere Rahmen (7) mit seinem einen Schenkel (11) der Innenseite des langen Schenkels (9) des äußeren Rahmens an dessen die Unterseite (3) überragenden Bereich und mit einem weiteren Schenkel (12) der Unterseite (3) der Kernplatte (1) anliegt, wobei nach Einlegen der Kernplatte (1) in den äußeren Rahmen und Aufsetzen des inneren Rahmens auf die Kernplatte, beide Rahmen an ihren einander anliegenden Schenkeln (9, 11) miteinander verbunden werden, dadurch gekennzeichnet, daß zwischen dem inneren Rahmen (7) und wenigstens zwei benachbarten Schnittflächen (4) der Kernplatte (1) ein Spalt (10) vorgesehen ist, und daß zumindest zwischen dem die Oberseite (2) der Kernplatte (1) übergreifenden Schenkel des äußeren Rahmen (6) und der Oberseite der Kernplatte eine elastische Dichtung (14) angeordnet ist.Table or cover plate, consisting of at least one core plate (1) with an upper side (2), an underside (3) and lateral cut surfaces (4) and a circumferential edge protection (5) overlapping the upper side and the underside of the core plate made of a plastic profile , which consists of two angle profiles molded as closed frames (6, 7), of which an outer frame (6) with a long leg (9) projects beyond the underside (3) of the core plate (1) and with its other leg (8 ) overlaps the top, while the other, inner frame (7) with its one leg (11) the inside of the long leg (9) of the outer frame on the area beyond the underside (3) and with another leg (12) The underside (3) of the core plate (1) rests, whereby after inserting the core plate (1) into the outer frame and fitting of the inner frame onto the core plate, both frames are connected to one another at their abutting legs (9, 11), characterized in that a gap () between the inner frame (7) and at least two adjacent cut surfaces (4) of the core plate (1) 10) is provided, and that at least between the upper side (2) of the core plate (1) overlapping leg of the outer frame (6) and the upper side of the core plate, an elastic seal (14) is arranged. Platte nach Anspruch 1, dadurch gekennzeichnet, daß zwischen dem der Unterseite (3) der Kernplatte (1) anliegenden Schenkel (12) des inneren Rahmens (7) und der Unterseite der Kernplatte eine Dichtung (16) angeordnet ist.Plate according to Claim 1, characterized in that a seal (16) is arranged between the leg (12) of the inner frame (7) which abuts the underside (3) of the core plate (1) and the underside of the core plate. Platte nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Schenkel (8, 12) des äußeren bzw. inneren Rahmens (6, 7) an der der Kernplatte (1) zugekehrten Seite eine umlaufende Vertiefung (15, 17) zur Aufnahme der Dichtung aufweist.Plate according to claim 1 or 2, characterized in that the leg (8, 12) of the outer or inner frame (6, 7) on the side facing the core plate (1) has a circumferential recess (15, 17) for receiving the seal having. Platte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Dichtung (14, 16) in die Vertiefung (15, 17) eingespritzt ist.Plate according to one of claims 1 to 3, characterized in that the seal (14, 16) is injected into the recess (15, 17). Platte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Dichtung eingeklebt ist.Plate according to one of claims 1 to 3, characterized in that the seal is glued in. Platte nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der innere Rahmen (7) einen sich über die gesamte Höhe der Schnittfläche (4) der Kernplatte (1) erstreckenden Schenkel (13) aufweist, der der Unterseite des die Oberseite (2) der Kernplatte übergreifenden Schenkels (8) des äußeren Rahmens (5) anliegt und der den Spalt (10) an der der Schnittfläche gegenüberliegenden Seite begrenzt.Panel according to one of Claims 1 to 5, characterized in that the inner frame (7) has a leg (13) which extends over the entire height of the cut surface (4) of the core panel (1), which rests on the underside of the leg (8) of the outer frame (5) which overlaps the upper side (2) of the core plate and which delimits the gap (10) on the side opposite the cut surface. Platte nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der sich über die Schnittfläche (4) der Kernplatte (1) erstreckende Schenkel (13) des inneren Rahmens (7) bis zur Unterkante des längeren Schenkels (9) des äußeren Rahmens (5) reicht und mit diesem über den weiteren Schenkel (1) verbunden ist.Panel according to one of claims 1 to 6, characterized in that the leg (13) of the inner frame (7) extending over the cut surface (4) of the core plate (1) to the lower edge of the longer leg (9) of the outer frame ( 5) is sufficient and is connected to it via the further leg (1). Platte nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Spalt (10) zwischen dem inneren Rahmen (17) und den seitlichen Schnittflächen (4) der Kernplatte (1) allseitig wenigstens 0,5mm beträgt.Plate according to one of claims 1 to 7, characterized in that the gap (10) between the inner frame (17) and the lateral cut surfaces (4) of the core plate (1) is at least 0.5 mm on all sides.
EP95101388A 1994-02-25 1995-02-02 Table or covering plate Expired - Lifetime EP0672368B2 (en)

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DE4406118 1994-02-25
DE4406118A DE4406118C2 (en) 1994-02-25 1994-02-25 Table or cover plate

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EP0672368A1 true EP0672368A1 (en) 1995-09-20
EP0672368B1 EP0672368B1 (en) 1997-07-30
EP0672368B2 EP0672368B2 (en) 2002-07-31

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US (1) US5551352A (en)
EP (1) EP0672368B2 (en)
AT (1) ATE155971T1 (en)
DE (2) DE4406118C2 (en)
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TR (1) TR28204A (en)

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Also Published As

Publication number Publication date
DE59500428D1 (en) 1997-09-04
TR28204A (en) 1996-02-08
EP0672368B2 (en) 2002-07-31
EP0672368B1 (en) 1997-07-30
ES2107257T3 (en) 1997-11-16
ATE155971T1 (en) 1997-08-15
DE4406118A1 (en) 1995-08-31
US5551352A (en) 1996-09-03
DE4406118C2 (en) 2003-01-02
ES2107257T5 (en) 2003-01-16

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