EP0555738B1 - Table or covering plate - Google Patents

Table or covering plate Download PDF

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Publication number
EP0555738B1
EP0555738B1 EP93101599A EP93101599A EP0555738B1 EP 0555738 B1 EP0555738 B1 EP 0555738B1 EP 93101599 A EP93101599 A EP 93101599A EP 93101599 A EP93101599 A EP 93101599A EP 0555738 B1 EP0555738 B1 EP 0555738B1
Authority
EP
European Patent Office
Prior art keywords
core plate
plate
leg
inner frame
outer frame
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.)
Revoked
Application number
EP93101599A
Other languages
German (de)
French (fr)
Other versions
EP0555738A1 (en
Inventor
Max Meier
Karl-Heinz Meier
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.)
Mecalit GmbH Kunststoffverarbeitung
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Mecalit GmbH Kunststoffverarbeitung
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Publication date
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Application filed by Mecalit GmbH Kunststoffverarbeitung filed Critical Mecalit GmbH Kunststoffverarbeitung
Publication of EP0555738A1 publication Critical patent/EP0555738A1/en
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Anticipated expiration legal-status Critical
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Classifications

    • 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
    • A47B95/00—Fittings for furniture
    • A47B95/04—Keyplates; Ornaments or the like
    • A47B95/043—Protecting rims, buffers or the like
    • 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
    • A47B95/00—Fittings for furniture
    • A47B95/04—Keyplates; Ornaments or the like
    • A47B95/043—Protecting rims, buffers or the like
    • A47B2095/046—Protecting rims, buffers or the like of the snap-on type
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/2419—Fold at edge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y10T428/24793—Comprising discontinuous or differential impregnation or bond

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 is made of a wood 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, 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 edge protector For kitchen appliances where the Cover plate primarily serves as a storage and work surface, the goal is to pull the edge protector downwards 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 attached 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 weather conditions. 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 cover 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 or foaming the intermediate space to the core plate (DE 28 33 863).
  • the known injection molding of the edge protection on the core plate or the attachment by foaming 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, and possibly also the furniture assembled by them damaged or otherwise worthless or unusable and is to be recycled or the manufacturer has a take-back obligation - 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.
  • a known edge protector (GB 2 242 125), which is injection molded as a Z-profile and has a film hinge on the Z-web, so that two articulated angle profiles are formed.
  • One of the angular profiles overlaps the top of the core plate with its short leg and projects over the bottom with its long leg.
  • the other angle profile is pivoted inwards so that one leg lies parallel to the long leg of the other angle profile, while its other leg engages under the underside of the plate.
  • This second angle profile snaps behind a web covering the cut surface of the core plate on the short leg of the other angle profile. So it is a kind of mounting frame, in which the locking necessarily requires play. This makes it possible to subsequently detach the frame, but it is not possible to properly seal the cut surface of the core plate.
  • the invention has for its object to provide a cover plate or table top according to DE 28 33 863 so that with inexpensive manufacture and functional training, ie tight closure of the cutting surface the core plate can be easily separated from the edge protection and core plate.
  • the edge protector consists of two angle profiles molded as a closed frame, of which the outer frame overlaps the upper side of the core plate with a shorter leg and extends beyond the core plate with its longer leg, and in that the inner frame covers the cut surface of the core plate with a substantially vertical leg, while it engages under the core plate with its other, substantially horizontal leg, and that after inserting the core plate with the inner frame in the outer frame, both frames in the region of the long leg of the outer frame and the vertical leg of the inner frame are interconnected.
  • 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, so that its upper side rests on the inside of one leg of the angle profile, while the other longer leg, which projects upwards in the mounting position, covers the cut edges of the core plate.
  • the inner frame is applied in an approximately parallel arrangement with the outer frame from above onto the underside of the core plate, so that its outer leg abuts the inside of the long leg of the outer frame completely or only in regions and its other leg rests on the underside of the core plate.
  • connection of the adjoining legs provides a closed, frame-like structure which completely surrounds the core plate, the open-pore of which, if appropriate Covers 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 manufacturing technology is not or only slightly more complex. On the other hand, however, it is easily possible to remove the edge protector 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 protector and the core plate when the edge protector is sprayed on.
  • the edge protector is pre-injected as a frame-like angle profile, the core plate is inserted into the frame-like angle profile and then the space between the two is poured out with polyurethane in order to seal the cut surfaces and to get a compact edge protection.
  • molded plastic profiles are attached to the underside, which are used to fasten the plate to the cabinet of the refrigerator.
  • the edge protection cannot be separated from the core plate and the variety of materials is not guaranteed due to the different materials of the edge protection.
  • the invention proposes that the leg of the inner frame spanning the underside has the necessary profiles for fastening the plate to the housing of the kitchen appliance.
  • an insulating plate made of another material with thermal and / or acoustic insulating properties is arranged below the core plate, which is indirect or is directly connected to the core plate.
  • the core plate can be made of wood-based material and can be provided on its upper side with a cut and scratch-resistant, optionally also decorative cover layer, while the insulation plate can consist of a foamed plastic.
  • An embodiment of this embodiment is characterized in that the insulating plate has the same outline as the core plate and its cut surfaces are also covered by the inner frame, and that the inner frame engages over the underside of the insulating plate and the longer leg of the outer frame the underside of the Insulating board protrudes.
  • the panel assembly is held together by the outer frame on the one hand and the inner frame on the other. During recycling, the parts or the materials that make them up can be separated by type without any problems.
  • the insulation board is cut back at its cut surfaces with respect to the core board and the inner frame with its one leg overlaps the underside of the core board, while the longer leg of the outer frame projects downwards over the insulation board.
  • the insulation board is directly connected to the core board, e.g. glued, but is nevertheless covered on the outside by the edge protection.
  • the cover or table top has a core plate 1 made of a wood 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 have.
  • the core plate can also be made of glass, plastic or metal, e.g. Aluminum.
  • the plate has an edge protector 5 which covers the cut surfaces 4 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 plates are shown in the position of use in the drawing.
  • the edge protector 5 consists of an outer frame 6 and an inner frame 7, both of which are designed as angle profiles.
  • the frame 6 overlaps with its short leg 8 the top 2 of the core plate 1 and projects with its long leg 9 down over the inner frame 7.
  • the resulting grid-like Structure can be used to form fasteners, by means of which the plate is fastened to a kitchen furniture, for example a refrigerator or dishwasher housing.
  • the two frames 6 and 7 are manufactured separately by injection molding and are welded to their legs 9 and 27, e.g. connected by ultrasound or high frequency, or by gluing.
  • the pre-assembly can be carried out in such a way that the core plate 1 is inserted into the outer frame 6 resting on the short leg 8 and then the inner frame is inserted.
  • the inner frame 7 can be designed in such a way that core plates 1 of different thicknesses can be used with the same overall height by merely adapting the height of the webs 29 accordingly.
  • the edge protection again consists of an outer frame 6 and an inner frame 7.
  • the outer frame 6 corresponds in structure and function to the frame 6 of FIGS. 1 and 2, while the inner frame 7 as a type of T-profile is formed, which covers the cut surface 4 of the core plate 1 and an insulating plate 31 arranged below it with its web 30.
  • the frame 7 overlaps with one leg 32 of the belt of the T-profile, the underside of the insulation board 31, while the other leg 33, which projects outwards, is shorter.
  • the longer leg 9 of the outer frame bears against this leg 33 at 34.
  • the two frames are welded, glued or the like. If necessary, the shorter leg 8 of the outer frame 6 and the web 30 at 35 additionally be welded or glued.
  • frames 6 and 7 can be easily separated from the core plate and the insulation plate, just as the plates can also be separated.
  • the core plate 1 is thinner and the insulating plate 31 is thicker than in FIG. 3.
  • the insulating plate can be used as a vapor barrier, e.g. in a washing machine or dishwasher, or as an insulating plate in a refrigerator or just for stabilization.
  • an insulating plate 36 is connected directly to the underside of the core plate 1.
  • the outer frame 6 projects with its short leg 8 over the top 2 of the core plate 1.
  • the inner frame 7 has a long leg 37, with which it covers the cut surfaces 4 of the core plate 1 and which extends to the underside of the insulation plate 36 and is bent outwards at its lower end to form a rib 38, to which the long leg 9 is fastened to the outer frame 6 by welding, gluing or the like.
  • the inner frame 7 has a bar 39 which projects inwards and which engages under the core plate 1. The necessary free space for assembly with adequate insulation results from the fact that the insulation board 36 is cut back inwards.

Abstract

A table or covering board consists of a core board, e.g. made of wooden material, with a possibly coated covering side and a peripheral edge guard (5) made of a plastic profile which covers the cut surfaces of the core board (1) and overlaps its upper side (2) and underside (3). The edge guard consists of two angle profiles which are injection-moulded as a closed frame and an outer frame (6) of which covers the cut surfaces with a long limb and projects beyond the underside of the core board and overlaps the upper-side covering layer with its other limb, whereas the other, inner frame (7) rests with its one limb on the inside of the long limb of the outer frame against its region projecting beyond the underside and rests on the underside of the core board with its other limb, the frames being connected to one another on their limbs which rest against one another.

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 Verschmutzung und Feuchtigkeitszutritt geschützt werden. Schließlich soll der Kantenschutz die Griffigkeit der Platte und damit auch die Handhabbarkeit und Transportabilität 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 is made of a wood 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, 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 primarily serves as a storage and work surface, the goal is to pull the edge protector downwards 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 attached 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 Witterungseinflüsse 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 oder Ausschäumen des Zwischenraums mit der Kernplatte zu verbinden (DE 28 33 863).The edge protection consists of a mechanically sufficiently stable plastic that is resistant to more or less aggressive media and weather conditions. 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 cover 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 or foaming the intermediate space to the core plate (DE 28 33 863).

Das bekannte Anspritzen des Kantenschutzes an der Kernplatte oder das Befestigen durch Ausschäumen 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 Müllverwertung 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 or the attachment by foaming 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, and possibly also the furniture assembled by them damaged or otherwise worthless or unusable and is to be recycled or the manufacturer has a take-back obligation - 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.

Diese Möglichkeit bietet ein bekannter Kantenschutz (GB 2 242 125), der als Z-Profil gespritzt ist und an dem Z-Steg ein Filmscharnier aufweist, so daß zwei gelenkig miteinander verbundene Winkelprofile gebildet sind. Das eine Winkelprofil übergreift mit seinem kurzen Schenkel die Oberseite der Kernplatte und überragt mit seinem langen Schenkel deren Unterseite. Das andere Winkelprofil wird nach innen geschwenkt, so daß sein einer Schenkel parallel zum langen Schenkel des anderen Winkelprofils liegt, während sein anderer Schenkel die Unterseite der Platte untergreift. Dabei rastet dieses zweite Winkelprofil hinter einen die Schnittfläche der Kernplatte abdeckenden Steg am kurzen Schenkel des anderen Winkelprofils ein. Es handelt sich also um eine Art Montagerahmen, bei dem die Verrastung zwangsläufig Spiel benötigt. Dadurch ist es zwar möglich, den Rahmen nachträglich wieder zu lösen, doch ist eine einwandfreie Abdichtung der Schnittfläche der Kernplatte nicht möglich.This possibility is provided by a known edge protector (GB 2 242 125), which is injection molded as a Z-profile and has a film hinge on the Z-web, so that two articulated angle profiles are formed. One of the angular profiles overlaps the top of the core plate with its short leg and projects over the bottom with its long leg. The other angle profile is pivoted inwards so that one leg lies parallel to the long leg of the other angle profile, while its other leg engages under the underside of the plate. This second angle profile snaps behind a web covering the cut surface of the core plate on the short leg of the other angle profile. So it is a kind of mounting frame, in which the locking necessarily requires play. This makes it possible to subsequently detach the frame, but it is not possible to properly seal the cut surface of the core plate.

Der Erfindung liegt die Aufgabe zugrunde, eine Abdeckplatte bzw. Tischplatte nach der DE 28 33 863 so auszubilden, daß bei kostengünstiger Herstellung und funktionsgerechter Ausbildung, d.h. dichtem Abschluß der Schnittfläche der Kernplatte eine einfache Trennung von Kantenschutz und Kernplatte möglich ist.The invention has for its object to provide a cover plate or table top according to DE 28 33 863 so that with inexpensive manufacture and functional training, ie tight closure of the cutting surface the core plate can be easily separated from the edge protection and core plate.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Kantenschutz aus zwei, als geschlossene Rahmen gespritzten Winkelprofilen besteht, von denen der äußere Rahmen mit einem kürzeren Schenkel die Oberseite der Kernplatte übergreift und mit seinem längeren Schenkel die Kernplatte nach unten überragt, und daß der innere Rahmen mit einem im wesentlichen lotrechten Schenkel die Schnittfläche der Kernplatte abdeckt, während er mit seinem anderen, im wesentlichen horizontalen Schenkel die Kernplatte untergreift, und daß nach Einlegen der Kernplatte mit dem inneren Rahmen in den äußeren Rahmen beide Rahmen im Bereich des langen Schenkels des äußeren Rahmens und des lotrechten Schenkels des inneren Rahmens miteinander verbunden sind.This object is achieved in that the edge protector consists of two angle profiles molded as a closed frame, of which the outer frame overlaps the upper side of the core plate with a shorter leg and extends beyond the core plate with its longer leg, and in that the inner frame covers the cut surface of the core plate with a substantially vertical leg, while it engages under the core plate with its other, substantially horizontal leg, and that after inserting the core plate with the inner frame in the outer frame, both frames in the region of the long leg of the outer frame and the vertical leg of the inner frame are interconnected.

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 äußeren Rahmen eingelegt werden, so daß sie mit ihrer Oberseite auf der Innenseite des einen Schenkels des Winkelprofils aufliegt, während der andere längere und in der Montagelage nach oben ragende Schenkel die Schnittkanten der Kernplatte abdeckt. Anschließend wird der innere Rahmen bei etwa paralleler Anordnung mit dem äußeren Rahmen von oben auf die Unterseite der Kernplatte aufgebracht, so daß sein äußerer Schenkel am langen Schenkel des äußeren Rahmens innenseitig vollständig oder auch nur bereichsweise anliegt und sein anderer Schenkel der Unterseite der Kernplatte aufliegt. Durch die Verbindung der einander anliegenden Schenkel, z.B. durch Schweißen oder Kleben, 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. Auch die Fertigungstechnik ist nicht oder nur unwesentlich aufwendiger. 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 Kantenschutz 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, so that its upper side rests on the inside of one leg of the angle profile, while the other longer leg, which projects upwards in the mounting position, covers the cut edges of the core plate. Subsequently, the inner frame is applied in an approximately parallel arrangement with the outer frame from above onto the underside of the core plate, so that its outer leg abuts the inside of the long leg of the outer frame completely or only in regions and its other leg rests on the underside of the core plate. The connection of the adjoining legs, for example by welding or gluing, provides a closed, frame-like structure which completely surrounds the core plate, the open-pore of which, if appropriate Covers 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. The manufacturing technology is not or only slightly more complex. On the other hand, however, it is easily possible to remove the edge protector 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 protector and the core plate when the edge protector is sprayed on.

Es sind weiterhin aus der eingangs genannten DE 28 33 863 Abdeckplatten, insbesondere für Kühlmöbel, bekannt, bei denen der Kantenschutz als rahmenartiges Winkelprofil vorgespritzt, die Kernplatte in das rahmenartige Winkelprofil eingelegt und anschließend der Zwischenraum zwischen beiden mit Polyurethan ausgegossen wird, um die Schnittflächen abzudichten und einen kompakten Kantenschutz zu erhalten. Außerdem werden auf der Unterseite gespritzte Kunststoffprofile angebracht, die zur Befestigung der Platte am Gehäuse des Kühlmöbels dienen. Auch bei dieser Ausführung läßt sich der Kantenschutz nicht von der Kernplatte trennen und ist die Sortenreinheit schon durch die verschiedenen Materialien des Kantenschutzes nicht gegeben. Bei einer solchen Ausführung schlägt die Erfindung vor, daß der die Unterseite übergreifende Schenkel des inneren Rahmens die notwendigen Profile zum Befestigen der Platte am Gehäuse des Küchengerätes aufweist.There are also known from the aforementioned DE 28 33 863 cover plates, in particular for refrigerated cabinets, in which the edge protector is pre-injected as a frame-like angle profile, the core plate is inserted into the frame-like angle profile and then the space between the two is poured out with polyurethane in order to seal the cut surfaces and to get a compact edge protection. In addition, molded plastic profiles are attached to the underside, which are used to fasten the plate to the cabinet of the refrigerator. In this version, too, the edge protection cannot be separated from the core plate and the variety of materials is not guaranteed due to the different materials of the edge protection. In such an embodiment, the invention proposes that the leg of the inner frame spanning the underside has the necessary profiles for fastening the plate to the housing of the kitchen appliance.

Gemäß einem weiteren Ausführungsbeispiel der Erfindung ist vorgesehen, daß unterhalb der Kernplatte eine Dämmplatte aus einem anderen Werkstoff mit thermischer und/oder akustischer Isoliereigenschaft angeordnet ist, die mittelbar oder unmittelbar mit der Kernplatte verbunden ist. Dadurch entsteht ein Plattenverbund, bei dem die oben liegende Kernplatte die Aufgabe einer Abdeck- und Arbeitsplatte erfüllt, also beispielsweise aus einem schnitt- und kratzfesten Material besteht oder eine Beschichtung mit diesen Eigenschaften aufweist, während die unten liegende Dämmplatte eine thermische oder akustische Isolierung schafft. Wird ein solcher Plattenverbund bei einem Kühlmöbel eingesetzt, kann die Dämmplatte beispielsweise die üblicherweise im Kühlmöbelgehäuse eingebaute obere Isolierung ersetzen. Die Kernplatte kann aus Holzwerkstoff bestehen und an ihrer Oberseite mit einer schnitt- und kratzfesten, gegebenenfalls auch dekorativen Deckschicht versehen sein, während die Dämmplatte aus einem geschäumten Kunststoff bestehen kann.According to a further exemplary embodiment of the invention, it is provided that an insulating plate made of another material with thermal and / or acoustic insulating properties is arranged below the core plate, which is indirect or is directly connected to the core plate. This creates a composite panel, in which the core plate at the top fulfills the task of a cover and worktop, for example consists of a cut and scratch-resistant material or has a coating with these properties, while the insulation plate below creates thermal or acoustic insulation. If such a panel assembly is used in a refrigeration cabinet, the insulation panel can replace, for example, the upper insulation usually built into the refrigeration cabinet housing. The core plate can be made of wood-based material and can be provided on its upper side with a cut and scratch-resistant, optionally also decorative cover layer, while the insulation plate can consist of a foamed plastic.

Eine Ausgestaltung dieser Ausführungsform zeichnet sich dadurch aus, daß die Dämmplatte den gleichen Umriß wie die Kernplatte aufweist und ihre Schnittflächen gleichfalls von dem inneren Rahmen abgedeckt sind, und daß der innere Rahmen die Unterseite der Dämmplatte übergreift und der längere Schenkel des äußeren Rahmens die Unterseite der Dämmplatte überragt. Bei dieser Ausgestaltung wird der Plattenverbund durch den äußeren Rahmen einerseits und den inneren Rahmen andererseits zusammengehalten. Bei der Wiederverwertung lassen sich die Teile bzw. die sie bildenden Werkstoffe problemlos sortenrein trennen.An embodiment of this embodiment is characterized in that the insulating plate has the same outline as the core plate and its cut surfaces are also covered by the inner frame, and that the inner frame engages over the underside of the insulating plate and the longer leg of the outer frame the underside of the Insulating board protrudes. In this embodiment, the panel assembly is held together by the outer frame on the one hand and the inner frame on the other. During recycling, the parts or the materials that make them up can be separated by type without any problems.

In einer anderen Ausführung kann vorgesehen sein, daß die Dämmplatte an ihren Schnittflächen gegenüber der Kernplatte zurückgeschnitten ist und der innere Rahmen mit seinem einen Schenkel die Unterseite der Kernplatte übergreift, während der längere Schenkel des äußeren Rahmens die Dämmplatte nach unten überragt. In diesem Fall ist die Dämmplatte mit der Kernplatte unmittelbar verbunden, z.B. verklebt, wird aber gleichwohl außen durch den Kantenschutz abgedeckt.In another embodiment it can be provided that the insulation board is cut back at its cut surfaces with respect to the core board and the inner frame with its one leg overlaps the underside of the core board, while the longer leg of the outer frame projects downwards over the insulation board. In this case the insulation board is directly connected to the core board, e.g. glued, but is nevertheless covered on the outside by the edge protection.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung einiger bevorzugter Ausführungsbeispiele sowie an Hand der Zeichnung. Die Zeichnung zeigt in den Figuren 1 bis 5 jeweils Teilschnitte im Bereich einer Seite der Platte in der Gebrauchslage.Further details and advantages of the invention result from the following description of some preferred exemplary embodiments and from the drawing. In the figures 1 to 5, the drawing shows partial sections in the area of one side of the plate in the position of use.

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 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 have. The core plate can also be made of glass, plastic or metal, e.g. Aluminum. Furthermore, the plate has an edge protector 5 which covers the cut surfaces 4 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.

In der Zeichnung sind die Platten in der Gebrauchslage gezeigt. Der Kantenschutz 5 besteht aus einem äußeren Rahmen 6 und einem inneren Rahmen 7, die beide als Winkelprofile ausgebildet sind. Der Rahmen 6 übergreift mit seinem kurzen Schenkel 8 die Oberseite 2 der Kernplatte 1 und ragt mit seinem langen Schenkel 9 über den inneren Rahmen 7 nach unten. Der innere Rahmen 7, der im Randbereich der Kernplatte 1 umläuft, deckt mit seinem einen Schenkel 27 die Schnittfläche 4 der Kernplatte ab, während der andere Schenkel 28 über Stege 29 der Unterseite 3 der Kernplatte 1 anliegt. Die dadurch entstehende gitterartige Struktur kann zur Ausbildung von Befestigungsmitteln dienen, mittels der die Platte an einem Küchenmöbel, z.B. einem Kühlschrank- oder Spülmaschinengehäuse, befestigt wird.The plates are shown in the position of use in the drawing. The edge protector 5 consists of an outer frame 6 and an inner frame 7, both of which are designed as angle profiles. The frame 6 overlaps with its short leg 8 the top 2 of the core plate 1 and projects with its long leg 9 down over the inner frame 7. The inner frame 7, which runs in the edge region of the core plate 1, covers with its one leg 27 the cut surface 4 of the core plate, while the other leg 28 abuts webs 29 of the underside 3 of the core plate 1. The resulting grid-like Structure can be used to form fasteners, by means of which the plate is fastened to a kitchen furniture, for example a refrigerator or dishwasher housing.

Die beiden Rahmen 6 und 7 werden getrennt durch Spritzgießen hergestellt und sind an ihren Schenkeln 9 und 27 durch Schweißen, z.B. durch Ultraschall oder Hochfrequenz, oder durch Kleben miteinander verbunden. Die Vormontage kann derart erfolgen, daß die Kernplatte 1 in den auf dem kurzen Schenkel 8 aufliegenden äußeren Rahmen 6 eingelegt und anschließend der innere Rahmen eingesetzt wird.The two frames 6 and 7 are manufactured separately by injection molding and are welded to their legs 9 and 27, e.g. connected by ultrasound or high frequency, or by gluing. The pre-assembly can be carried out in such a way that the core plate 1 is inserted into the outer frame 6 resting on the short leg 8 and then the inner frame is inserted.

Wie bei einem Vergleich von Figur 1 und 2 ersichtlich, kann der innere Rahmen 7 so ausgebildet sein, daß Kernplatten 1 verschiedener Dicke bei gleicher Gesamthöhe eingesetzt werden können, indem lediglich die Höhe der Stege 29 entsprechend angepaßt wird.As can be seen from a comparison of FIGS. 1 and 2, the inner frame 7 can be designed in such a way that core plates 1 of different thicknesses can be used with the same overall height by merely adapting the height of the webs 29 accordingly.

Bei dem Ausführungsbeispiel nach Figur 3 besteht der Kantenschutz wiederum aus einem äußeren Rahmen 6 und einem inneren Rahmen 7. Der äußere Rahmen 6 entspricht in Aufbau und Funktion dem Rahmen 6 der Figur 1 und 2, während der innere Rahmen 7 als eine Art T-Profil ausgebildet ist, das mit seinem Steg 30 die Schnittfläche 4 der Kernplatte 1 und einer darunter angeordneten Dämmplatte 31 abdeckt. Der Rahmen 7 übergreift mit dem einen Schenkel 32 des Gurtes des T-Profils die Unterseite der Dämmplatte 31, während der andere Schenkel 33, der nach außen ragt, kürzer ausgebildet ist. Diesem Schenkel 33 liegt der längere Schenkel 9 des äußeren Rahmens bei 34 an. An dieser Stelle 34 sind die beiden Rahmen miteinander verschweißt, verklebt oder dergleichen. Gegebenenfalls können auch der kürzere Schenkel 8 des äußeren Rahmens 6 und der Steg 30 bei 35 zusätzlich verschweißt oder verklebt sein. Bei der Entsorgung lassen sich die Rahmen 6 und 7 problemlos von der Kernplatte und der Dämmplatte trennen, wie sich auch die Platten voneinander trennen lassen.In the exemplary embodiment according to FIG. 3, the edge protection again consists of an outer frame 6 and an inner frame 7. The outer frame 6 corresponds in structure and function to the frame 6 of FIGS. 1 and 2, while the inner frame 7 as a type of T-profile is formed, which covers the cut surface 4 of the core plate 1 and an insulating plate 31 arranged below it with its web 30. The frame 7 overlaps with one leg 32 of the belt of the T-profile, the underside of the insulation board 31, while the other leg 33, which projects outwards, is shorter. The longer leg 9 of the outer frame bears against this leg 33 at 34. At this point 34 the two frames are welded, glued or the like. If necessary, the shorter leg 8 of the outer frame 6 and the web 30 at 35 additionally be welded or glued. During disposal, frames 6 and 7 can be easily separated from the core plate and the insulation plate, just as the plates can also be separated.

Bei dem Ausführungsbeispiel gemäß Figur 4 ist die Kernplatte 1 dünner und die Dämmplatte 31 dicker ausgebildet als bei Figur 3. Die Dämmplatte kann, wie bei Figur 3 als Dampfsperre, z.B. bei einer Wasch- oder Spülmaschine, oder als Isolierplatte bei einem Kühlmöbel oder auch nur zur Stabilisierung dienen.In the exemplary embodiment according to FIG. 4, the core plate 1 is thinner and the insulating plate 31 is thicker than in FIG. 3. As in FIG. 3, the insulating plate can be used as a vapor barrier, e.g. in a washing machine or dishwasher, or as an insulating plate in a refrigerator or just for stabilization.

Während bei den Ausführungsbeispielen nach Figur 3 und 4 der äußere Rahmen 6 und der innere Rahmen 7 die Platten 1, 31 zu einem Verbundkörper zusammenfassen, ist beim Ausführungsbeispiel nach Figur 5 eine Dämmplatte 36 unmittelbar mit der Unterseite der Kernplatte 1 verbunden. Auch hier überragt der äußere Rahmen 6 mit seinem kurzen Schenkel 8 die Oberseite 2 der Kernplatte 1. Der innere Rahmen 7 weist einen langen Schenkel 37 auf, mit dem er die Schnittflächen 4 der Kernplatte 1 abdeckt und der bis an die Unterseite der Dämmplatte 36 reicht und an seinem unteren Ende nach außen zu einer Rippe 38 abgebogen ist, an der der lange Schenkel 9 am äußeren Rahmen 6 durch Schweißen, Kleben oder dergleichen, befestigt wird. Im mittleren Bereich weist der innere Rahmen 7 eine nach innen ragende und die Kernplatte 1 untergreifende Leiste 39 auf. Der notwendige Freiraum für die Montage bei gleichwohl ausreichender Dämmwirkung ergibt sich dadurch, daß die Dämmplatte 36 nach innen zurückgeschnitten ist.While in the exemplary embodiments according to FIGS. 3 and 4 the outer frame 6 and the inner frame 7 combine the plates 1, 31 into a composite body, in the exemplary embodiment according to FIG. 5 an insulating plate 36 is connected directly to the underside of the core plate 1. Here too, the outer frame 6 projects with its short leg 8 over the top 2 of the core plate 1. The inner frame 7 has a long leg 37, with which it covers the cut surfaces 4 of the core plate 1 and which extends to the underside of the insulation plate 36 and is bent outwards at its lower end to form a rib 38, to which the long leg 9 is fastened to the outer frame 6 by welding, gluing or the like. In the central area, the inner frame 7 has a bar 39 which projects inwards and which engages under the core plate 1. The necessary free space for assembly with adequate insulation results from the fact that the insulation board 36 is cut back inwards.

Claims (7)

  1. Table or covering plate comprising a core plate (1) with a top (2), a bottom (3) and lateral cut surfaces (4) and at least one circumferential edge protection (5) formed by a plastic section covering the cut surfaces of the core plate and engaging over the top and bottom of the core plate, characterized in that the edge protection comprises two angle sections injection moulded as a closed frame (6, 7), whereof the outer frame (6) with a shorter leg (8) projects inwards over the top of the core plate (1) and that the inner frame (7) with a substantially upright leg (27, 30, 37) covers the cut surface (4) of the core plate (1), whilst with its other, substantially horizontal leg (28, 32, 39) it engages below the core plate, and that after inserting the core plate (1) with the inner frame (7) in the outer frame (6), the two frames (6, 7) are interconnected in the vicinity of the long leg (9) of the outer frame (6) and the upright leg (27, 30, 37) of the inner frame.
  2. Plate according to claim 1, characterized in that the engaging legs (9, 27, 30, 37) of the two frames are interconnected by bonding or welding.
  3. Plate according to claim 1 or 2, characterized in that the longer leg (9) of the outer frame (6) and the adjacent leg (30, 37) of the inner frame are only in zonal engagement with one another and are interconnected there.
  4. Plate, particularly covering plate for kitchen appliances, according to one of the claims 1 to 3, characterized in that the leg (22, 28, 32) of the inner frame (6) engaging over the bottom (3) of the core plate (1) has the sections for fixing the plate to the casing of the kitchen appliance.
  5. Plate according to one of the claims 1 to 4, characterized in that below the core plate (1) is placed an insulating board (31, 36) made from another material and having thermal and/or acoustic insulating properties, which is directly or indirectly connected to the core plate (1).
  6. Plate according to one of the claims 1 to 5, characterized in that the insulating board (31) has the same contour as the core plate (1) and its cut surfaces are also covered by the inner frame (7), and that the inner frame (7) engages over the bottom (3) of the insulating board (31) and the longer leg (9) of the outer frame (6) projects over the bottom of the insulating board.
  7. Plate according to one of the claims 1 to 6, characterized in that at its cut surfaces the insulating board (36) is cut back with respect to the core plate (1) and with a leg (22) the inner frame (7) engages over the bottom (3) of the core plate (1), whilst the longer leg (9) of the outer frame (6) projects downwards over the insulating board (36).
EP93101599A 1992-02-13 1993-02-03 Table or covering plate Revoked EP0555738B1 (en)

Applications Claiming Priority (2)

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DE4204161 1992-02-13
DE4204161A DE4204161A1 (en) 1992-02-13 1992-02-13 TABLE OR COVER TOP

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EP0555738B1 true EP0555738B1 (en) 1996-06-12

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AT (1) ATE139090T1 (en)
DE (2) DE4204161A1 (en)
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GB2242125A (en) * 1990-03-19 1991-09-25 Zanussi A Spa Industrie Work top for domestic electrical appliances

Also Published As

Publication number Publication date
EP0555738A1 (en) 1993-08-18
DE4204161A1 (en) 1993-08-19
TR27573A (en) 1995-06-13
US5436048A (en) 1995-07-25
ATE139090T1 (en) 1996-06-15
DE59302855D1 (en) 1996-07-18
US5830552A (en) 1998-11-03

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