EP0353226B1 - Housing for an entertainment electronics appliance - Google Patents

Housing for an entertainment electronics appliance Download PDF

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Publication number
EP0353226B1
EP0353226B1 EP88902135A EP88902135A EP0353226B1 EP 0353226 B1 EP0353226 B1 EP 0353226B1 EP 88902135 A EP88902135 A EP 88902135A EP 88902135 A EP88902135 A EP 88902135A EP 0353226 B1 EP0353226 B1 EP 0353226B1
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EP
European Patent Office
Prior art keywords
housing
casing
film
boards
panels
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.)
Expired - Lifetime
Application number
EP88902135A
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German (de)
French (fr)
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EP0353226A1 (en
Inventor
Karl-Heinz Thiele
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.)
E W D ELECTRONIC-WERKE DEUTSCHLAND GmbH
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E W D ELECTRONIC-WERKE DEUTSCHLAND GmbH
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Application filed by E W D ELECTRONIC-WERKE DEUTSCHLAND GmbH filed Critical E W D ELECTRONIC-WERKE DEUTSCHLAND GmbH
Priority to AT88902135T priority Critical patent/ATE69936T1/en
Publication of EP0353226A1 publication Critical patent/EP0353226A1/en
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Publication of EP0353226B1 publication Critical patent/EP0353226B1/en
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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
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/201—Edge features
    • 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
    • A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • A47B81/06—Furniture aspects of radio, television, gramophone, or record cabinets
    • 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
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • 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
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/202—Furniture panels or like furniture elements with a continuous layer allowing folding
    • 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
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/202—Furniture panels or like furniture elements with a continuous layer allowing folding
    • A47B2096/203—Profiled sections

Definitions

  • Housings of consumer electronics devices such as Television receivers, loudspeakers and racks preferably consist of several plates, which are assembled at the edges.
  • Chipboard with a thickness of approximately 10 mm is preferably used for this.
  • the chipboard is provided with a film according to the desired design, e.g. Walnut, teak, rosewood, the foil preferably spanning the respective corners of the housing without interruption.
  • the invention has for its object to provide a novel material for such plates for a housing, which has advantages in various respects, in particular with regard to the manufacture, use and safety.
  • chipboard or fiberboard can be used, which contain components made of plaster or cement.
  • Such boards are known, inter alia, as gypsum fibreboards, cement-bonded chipboard (Duripanel), gypsum-bonded chipboard and gypsum chipboard.
  • Gypsum chipboard and gypsum fibreboard consist of cellulose with gypsum as a binder.
  • the gypsum fibreboards are made from waste paper and are therefore inexpensive in terms of recycling and particularly environmentally friendly in the production phase.
  • Such fiberboard can additionally with elastic long fiber materials, e.g. Glass fibers, rock wool or mineral wool fibers, carbon and aramid fibers are reinforced.
  • Gypsum fibreboards have a density of approximately 1.15 - 1.20 kg / l, a bending strength of 8.0 N / mm 2 in the longitudinal direction and 8.5 N / mm 2 in the transverse direction, a transverse tensile strength of 0.3 - 0 , 4 N / mm 2 and a fire protection class A2.
  • the modulus of elasticity of such plates is approximately 3500 NImm 2 in the longitudinal direction and approximately 4000 NImm 2 in the transverse direction.
  • the material is initially more environmentally friendly, namely in the production phase, in the use phase and in the disposal phase.
  • the harmful substances formaldehyde and uric acid occur in the production and processing of previously used chipboard. This is not the case with the material according to the invention. Rather, gypsum and sulfur are bound there to a greater extent. This is advantageous because these substances are increasingly being obtained in flue gas desulfurization, have relatively few possible uses, and therefore the possibility of using these substances is advantageous in terms of environmental friendliness
  • the loudspeaker can transmit vibrations to the picture tube via the housing, which can lead to picture disturbances there through excitations of the shadow mask. These disturbances are also reduced, so that in certain cases previously used measures such as an artificial increase in the mass of the magnet of the speaker can be omitted.
  • the invention also reduces the pure material costs. It has been shown that the tool wear when cutting or milling the boards according to the invention is even less than when machining chipboard.
  • the plates according to the invention can be processed using conventional machines.
  • the material according to the invention has a lower flammability and thus an increased operational reliability.
  • the material used belongs to class A2, labeled "flame retardant". This advantage is particularly important where, as in the Scandinavian countries, there is a high risk of fire and high requirements with regard to non-combustibility.
  • the material is also tropical-proof and particularly suitable for climatic conditions with high temperatures and high air humidity.
  • Fig. 1 shows the housing of a television receiver with an upper housing wall 1, a side wall 2, the bottom 3, the picture tube 4 and the front cover frame 5.
  • the cover frame 5 and the Rear wall, not shown, are produced in the usual way as a plastic injection molded part.
  • the upper housing wall 1, the rear housing wall 2, the front housing wall, not shown, and the bottom 3 consist of gypsum fiber boards or cement-bonded chipboard with a thickness of about 10 mm.
  • a cement-bonded chipboard is commercially available, for example, under the trade name "Duripanel”.
  • the plates forming the individual housing walls are covered with a foil that represents a veneer and extends continuously over the edges of the housing without interruption.
  • the properties of gypsum-bonded chipboard are described in more detail, for example, in WKI Communication 404/1985, special print from tiz 1985, No. 10, pages 756 to 759.
  • the four housing walls described in FIG. 1 initially form a continuous rigid plate which is coated with a film forming the veneer. This plate is then milled at the locations of the provided housing edges in such a way that the panel can be bent at an angle of 90 ° at these locations without damaging the continuous film.
  • Fig. 2 shows a continuous plate 6 in the form of a gypsum fiber board or cement-bonded chipboard, which corresponds to the entirety of the surfaces of the four housing parts according to FIG. 1 and is provided on the surface with a film 7 forming a veneer.
  • the plate is passed through a milling machine, several incisions 8 being milled in, which extend as far as the film 7, but do not damage it. Between the incisions 8 there are webs 9 made of the material of the plate 6, the height of which has a lower or the same value than the thickness of the plate 6.
  • An adhesive 10 is then filled into the incisions 8.
  • the plate 6 is placed in a device.
  • the device is designed such that the plate 6 is bent immediately after the application of the adhesive 10 and is held in a corresponding position until the adhesive 10 has hardened.
  • the adhesive 10 sets within a few seconds. In this way, the plate 6, which is initially considerably weakened by the incisions 8, is again almost as strong as the unmilled plate 6.
  • Adhesive processes with a combination of several adhesives are also conceivable, in which one fast-binding adhesive is a pre-fixation and a second, slowly setting one Adhesive gives the final strength.
  • Adhesive processes with a combination of several adhesives are also conceivable, in which one fast-binding adhesive is a pre-fixation and a second, slowly setting one Adhesive gives the final strength.
  • Such methods with two differently acting adhesives are described in DE-PS 29 27 182.
  • the special arrangement of the incisions 8 automatically forms a clean round edge when the plate 6 is bent.
  • This method known from DE-OS 21 14 364 for producing a housing from a plate can thus also be used advantageously in gypsum fibreboard and cement-bonded chipboard.
  • the additionally shown film 11 temporarily serves to stabilize the film 7 during the manufacturing process and is then removed again.

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
  • Casings For Electric Apparatus (AREA)
  • Finishing Walls (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Dry Shavers And Clippers (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

A housing for an entertainment electronics appliance, for example a television receiver or loudspeaker boxes, comprising a plurality of fibrous plaster boards or of particle boards cemented together, is suitable for television receivers, loudspeaker boxes, racks and hi-fi cabinets.

Description

Gehäuse von Geräten der Unterhaltungselektronik wie z.B. Fernsehempfängern Lautsprecherboxen und Racks bestehen vorzugsweise aus mehreren Platten, die an den Kanten zusammengesetzt sind. Vorzugsweise werden dafür Spanplatten mit einer Stärke von etwa 10 mm verwendet. Die Spanplatten werden mit einer Folie entsprechend dem gewünschten Design versehen, z.B. Nußbaum, Teak, Palisander, wobei die Folie vorzugsweise ohne Unterbrechung die jeweiligen Ecken des Gehäuses überspannt.Housings of consumer electronics devices such as Television receivers, loudspeakers and racks preferably consist of several plates, which are assembled at the edges. Chipboard with a thickness of approximately 10 mm is preferably used for this. The chipboard is provided with a film according to the desired design, e.g. Walnut, teak, rosewood, the foil preferably spanning the respective corners of the housing without interruption.

Der Erfindung liegt die Aufgabe zugrunde, für derartige Platten für ein Gehäuse ein neuartiges Material anzugeben, das Vorteile in verschiedener Hinsicht, insbesondere bezüglich der Herstellung, des Gebrauchs und der Sicherheit aufweist.The invention has for its object to provide a novel material for such plates for a housing, which has advantages in various respects, in particular with regard to the manufacture, use and safety.

Diese Aufgabe wird durch die im Anspruch 1 beschriebene Erfindung gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.This object is achieved by the invention described in claim 1. Advantageous developments of the invention are described in the subclaims.

Grundsätzlich können Spanplatten oder Faserplatten verwendet werden, die Bestandteile aus Gips oder Zement enthalten. Derartige Platten sind bekannt unter anderem als Gipsfaserplatten, zementgebundene Holzspanplatten (Duripanel), gipsgebundene Spanplatten und Gipsspanplatten. Gipsspanplatten und Gipsfaserplatten bestehen aus Zellulose mit Gips als Bindemittel. Die Gipsfaserplatten werden aus Altpapier hergestellt und sind so im Sinne eines Recycling preiswert und insbesondere umweltfreundlich in der Produktionsphase. Derartige Faserplatten können zusätzlich mit elastischen Langfasermaterialien, z.B. Glasfasern, Steinwoll- oder Mineralwollfasem, Carbon- und Aramidfasern armiert werden.Basically, chipboard or fiberboard can be used, which contain components made of plaster or cement. Such boards are known, inter alia, as gypsum fibreboards, cement-bonded chipboard (Duripanel), gypsum-bonded chipboard and gypsum chipboard. Gypsum chipboard and gypsum fibreboard consist of cellulose with gypsum as a binder. The gypsum fibreboards are made from waste paper and are therefore inexpensive in terms of recycling and particularly environmentally friendly in the production phase. Such fiberboard can additionally with elastic long fiber materials, e.g. Glass fibers, rock wool or mineral wool fibers, carbon and aramid fibers are reinforced.

Gipsfaserplatten haben eine Dichte von etwa 1,15 - 1,20 kg/l, eine Biegefestigkeit von ä 8,0 N/mm2 in Längsrichtung und ä 8,5 N/mm2 in Querrichtung, eine Querzugfestigkeit von 0,3 - 0,4 N/mm2 und eine Brandschutzklasse A2. Der E-Modul derartiger Platten beträgt ca 3500 NImm2 in Längsrichtung und ca 4000 NImm2 in Querrichtung.Gypsum fibreboards have a density of approximately 1.15 - 1.20 kg / l, a bending strength of 8.0 N / mm 2 in the longitudinal direction and 8.5 N / mm 2 in the transverse direction, a transverse tensile strength of 0.3 - 0 , 4 N / mm 2 and a fire protection class A2. The modulus of elasticity of such plates is approximately 3500 NImm 2 in the longitudinal direction and approximately 4000 NImm 2 in the transverse direction.

Es mußte zunächst angenommen werden, daß ein auf Zementbasis beruhendes Material für Gehäuse für Geräte der Unterhaltungselektronik nicht infrage kommt, da die besonderen Eigenarten und Vorteile des Werkstoffes Zement für derartige Geräte nicht relevant zu sein scheinen. Es hat sich jedoch gezeigt, daß durch das erfindungsgemäß verwendete Material eine überraschend große Zahl von teilweise voneinander unabhängigen Vorteilen erzielt wird.It had to be assumed that a cement-based material for housings for consumer electronics devices is out of the question, since the special characteristics and advantages of cement do not appear to be relevant for such devices. However, it has been shown that the material used according to the invention achieves a surprisingly large number of advantages, some of which are independent of one another.

Das Material hat zunächst eine größere Umweltfreundlichkeit, und zwar in der Produktionsphase, in der Nutzungsphase und in der Entsorgungsphase. Bei der Produktion und der Verarbeitung von bisher verwendeten Spanplatten fallen die schädlichen Stoffe Formaldehyd und Harnsäure an. Bei dem erfindungsgemäßen Material ist das nicht der Fall. Vielmehr werden dort in größerem Maße Gips und Schwefel gebunden. Das ist deshalb vorteilhaft, weil diese Stoffe in zunehmenriem Maße bei der Rauchgasentschwefelung gewonnen werden, relativ wenig Anwendungsmöglichkeiten haben und daher eine Verwendungsmöglichkeit dieser Stoffe hinsichtlicht Umweltfreundlichkeit vorteilhaft istThe material is initially more environmentally friendly, namely in the production phase, in the use phase and in the disposal phase. The harmful substances formaldehyde and uric acid occur in the production and processing of previously used chipboard. This is not the case with the material according to the invention. Rather, gypsum and sulfur are bound there to a greater extent. This is advantageous because these substances are increasingly being obtained in flue gas desulfurization, have relatively few possible uses, and therefore the possibility of using these substances is advantageous in terms of environmental friendliness

Es wird außerdem eine Verbesserung der akustischen Performance der Geräte mit Gehäuse aus den erfindungsgmäßen Platten erreicht. Das beruht darauf, daß die Gehäuse eine höhere Dämpfung und dadurch ein geringeres Klirrverhalten bei akustischer Anregung aufweisen. Erfindungsgemäße Gehäuse sind daher unempfindlicher gegen störende Resonanzeffekte.There is also an improvement in the acoustic performance of the devices with housing made of the plates according to the invention. This is due to the fact that the housings have a higher damping and therefore a lower distortion behavior with acoustic excitation. Housings according to the invention are therefore less sensitive to disturbing resonance effects.

Es wird ferner eine geringere akustische Kopplung durch Körperschall erreicht, so daß störende Mikrophonieerscheinungen bei bestimmten Geräten reduziert werden. In einem Fernsehempfänger kann beispielsweise der Lautsprecher über das Gehäuse Schwingungen auf die Bildröhre übertragen, die dort durch Anregungen der Lochmaske zu Bildstörungen führen können. Diese Störungen werden ebenfalls verringert, so daß in bestimmten Fällen bisher angewandte Maßnahmen wie z.B. eine künstliche Erhöhung der Masse des Magneten des Lautsprechers entfallen können.There is also less acoustic coupling due to structure-borne noise, so that disturbing microphonic phenomena are reduced in certain devices. In a television receiver, for example, the loudspeaker can transmit vibrations to the picture tube via the housing, which can lead to picture disturbances there through excitations of the shadow mask. These disturbances are also reduced, so that in certain cases previously used measures such as an artificial increase in the mass of the magnet of the speaker can be omitted.

Die reinen Materialkosten werden durch die Erfindung ebenfalls verringert. Es hat sich gezeigt, daß der Werkzeugerschleiß bei dem Zuschneiden oder dem Fräsen der erfindungsgemäßen Platten sogar geringer ist als bei der Bearbeitung von Spanplatten. Die Verarbeitung der erfindungsgemäßen Platten kann mit herkömmlichen Maschinen erfolgen.The invention also reduces the pure material costs. It has been shown that the tool wear when cutting or milling the boards according to the invention is even less than when machining chipboard. The plates according to the invention can be processed using conventional machines.

Das erfindungsgemäße Material hat eine geringere Brennbarkeit und somit eine erhöhte Betriebssicherheit. Das verwendete Material zählt zur Klasse A2, bezeichnet mit "schwer entflammbar". DieserVorteil kommt insbesondere dort zum Tragen, wo wie in den skandinavischen Ländern hohe Brandgefahr besteht und hohe Anforderungen hinsichtlich der Nicht- Brennbarkeit gestellt werden.The material according to the invention has a lower flammability and thus an increased operational reliability. The material used belongs to class A2, labeled "flame retardant". This advantage is particularly important where, as in the Scandinavian countries, there is a high risk of fire and high requirements with regard to non-combustibility.

Das Material ist darüberhinaus tropenfest und besonders für klimatische Verhältnisse mit hohen Temperaturen und hoher Luftfeuchtigkeit geeignet.The material is also tropical-proof and particularly suitable for climatic conditions with high temperatures and high air humidity.

Die Erfindung wird anhand der Zeichnung am Beispiel eines Gehäuses für einen Fernsehempfänger erläutert Darin zeigen

  • Fig. 1 im Schnitt das Gehäuse eines Fernsehempfängers und
  • Fig. 2, 3 eine Möglichkeit für die Herstellung von Kanten zwischen den erfindungsgemäßen Platten.
The invention will be explained with reference to the drawing using the example of a housing for a television receiver
  • Fig. 1 in section the housing of a television receiver and
  • 2, 3 a possibility for the production of edges between the plates according to the invention.

Fig. 1 zeigt das Gehäuse eines Femsehempfängers mit einer oberen Gehäusewand 1, einer Seitenwand 2, dem Boden 3, der Bildröhre 4 und dem vorderen Deckrahmen 5. Der Deckrahmen 5 und die nicht dargestellte Rückwand sind in üblicher Weise als Kunststoffspritzteil hergestellt. Die obere Gehäusewand 1, die hintere Gehäusewand 2, die vordere nicht dargestellte Gehäusewand und der Boden 3 bestehen aus Gipsfaserplatten oderzementgebundenen Holzspanplatten mit einer Dicke von ca 10 mm. Eine zementgebundene Holzspanplatte ist z.B. unter dem Handelsnamen "Duripanel" handelsüblich. Die die einzelnen Gehäusewände bildenden Platten sind dabei mit einer ein Furnier darstellenden Folie überzogen, die sich durchgehend ohne Unterbrechung über die Kanten des Gehäuses erstreckt. Die Eigenschaften gipsgebundener Spanplatten sind z.B. näher beschrieben in der WKI Mitteilung 404/1985, Sonderdruck aus tiz 1985, Nr. 10, Seite 756 bis 759.Fig. 1 shows the housing of a television receiver with an upper housing wall 1, a side wall 2, the bottom 3, the picture tube 4 and the front cover frame 5. The cover frame 5 and the Rear wall, not shown, are produced in the usual way as a plastic injection molded part. The upper housing wall 1, the rear housing wall 2, the front housing wall, not shown, and the bottom 3 consist of gypsum fiber boards or cement-bonded chipboard with a thickness of about 10 mm. A cement-bonded chipboard is commercially available, for example, under the trade name "Duripanel". The plates forming the individual housing walls are covered with a foil that represents a veneer and extends continuously over the edges of the housing without interruption. The properties of gypsum-bonded chipboard are described in more detail, for example, in WKI Communication 404/1985, special print from tiz 1985, No. 10, pages 756 to 759.

Die vier in Fig. 1 beschriebenen Gehäusewände bilden zunächst eine durchgehende starre Platte, die mit einer das Furnier bildenden Folie beschichtet ist. Diese Platte wird anschließend an den Stellen der vorgesehenen Gehäusekanten so gefräst, daß die Platte an diesen Stellen ohne Beschädigung der durchgehenden Folie insbesondere auf einen Winkel von 90° umknickbar ist.The four housing walls described in FIG. 1 initially form a continuous rigid plate which is coated with a film forming the veneer. This plate is then milled at the locations of the provided housing edges in such a way that the panel can be bent at an angle of 90 ° at these locations without damaging the continuous film.

In den Fig. 2, 3 ist eine solche bekannte Lösung dargestellt. Fig. 2 zeigt eine durchgehende Platte 6 in Form einer Gipsfaserplatte oder zementgebundenen Holzspanplatte, die der Gesamtheit der Flächen der vier Gehäuseteile gemäß Fig. 1 entspricht und an der Oberfläche mit einer ein Furnier bildenden Folie 7 versehen ist. An den später die Gehäusekanten bildenden Stellen wird die Platte durch eine Fräsmaschine geführt, wobei mehrere Einschnitte 8 eingefräst werden, die bis auf die Folie 7 reichen, diese jedoch nicht beschädigen. Zwischen den Einschnitten 8 bleiben somit aus dem Material der Platte 6 Stege 9 stehen, deren Höhe einen geringeren oder gleichen Wert aufweist als die Dicke der Platte 6. In die Einschnitte 8 wird anschließend eine Klebemasse 10 eingefüllt. Zu diesem Zweck wird die Platte 6 in eine Vorrichtung gebracht. Die Vorrichtung ist so ausgebildet, daß die Platte 6 unmittelbar nach dem Auftragen der Klebemasse 10 gebogen wird und so lange in einerentsprechenden Lage festgehalten wird, bis die Klebemasse 10 erhärtet ist. Das Abbinden der Klebemasse 10 geschieht innerhalb von wenigen Sekunden. Auf diese Weise ist die durch die Einschnitte 8 zunächst erheblich geschwächte Platte 6 wieder nahezu so fest wie die ungefräste Platte 6. Es sind auch Klebeverfahren mit einer Kombination aus mehreren Klebern denkbar, bei denen ein schnell bindender Kleber eine Vorfixierung und ein zweiter, langsam abbindender Kleber die Endfestigkeit ergibt. Derartige Verfahren mit zwei unterschiedlich wirkenden Klebern sind beschrieben in der DE-PS 29 27 182.Such a known solution is shown in FIGS. 2, 3. Fig. 2 shows a continuous plate 6 in the form of a gypsum fiber board or cement-bonded chipboard, which corresponds to the entirety of the surfaces of the four housing parts according to FIG. 1 and is provided on the surface with a film 7 forming a veneer. At the points later forming the edges of the housing, the plate is passed through a milling machine, several incisions 8 being milled in, which extend as far as the film 7, but do not damage it. Between the incisions 8 there are webs 9 made of the material of the plate 6, the height of which has a lower or the same value than the thickness of the plate 6. An adhesive 10 is then filled into the incisions 8. For this purpose, the plate 6 is placed in a device. The device is designed such that the plate 6 is bent immediately after the application of the adhesive 10 and is held in a corresponding position until the adhesive 10 has hardened. The adhesive 10 sets within a few seconds. In this way, the plate 6, which is initially considerably weakened by the incisions 8, is again almost as strong as the unmilled plate 6. Adhesive processes with a combination of several adhesives are also conceivable, in which one fast-binding adhesive is a pre-fixation and a second, slowly setting one Adhesive gives the final strength. Such methods with two differently acting adhesives are described in DE-PS 29 27 182.

Durch die besondere Anordnung der Einschnitte 8 bildet sich beim Biegen der Platte 6 automatisch eine saubere runde Kante aus. Dieses durch die DE-OS 21 14 364 bekannte Verfahren zur Herstellung eines Gehäuses aus einer Platte ist somit bei Gipsfaserplatten und zementgebundenen Holzspanplatten ebenfalls in vorteilhafter Weise anwendbar. Die zusätzlich dargestellte Folie 11 dient vorübergehend zur Stabilisierung der Folie 7 während des Herstellungsprozesses und wird danach wieder entfernt.The special arrangement of the incisions 8 automatically forms a clean round edge when the plate 6 is bent. This method known from DE-OS 21 14 364 for producing a housing from a plate can thus also be used advantageously in gypsum fibreboard and cement-bonded chipboard. The additionally shown film 11 temporarily serves to stabilize the film 7 during the manufacturing process and is then removed again.

Claims (4)

1. Casing of an item of equipment of the entertainment electronics industry such as television receivers, speaker boxes, racks and the like, which is composed of a plurality of panels, characterised in that there are used as panels (6) fibre reinforced plaster boards, plaster chip boards or cement-bonded wood chip boards.
2. Casing according to claim 1, characterised in that the panels (6) are coated with a film (7) forming a veneer and which spans the edges of the casing without interruptions.
3. Casing according to claim 2, characterised in that a plurality of mutually abutting casing walls are formed initially by a panel (6) coated with the film (7), each panel at the casing edges being provided at the side opposite to the film (7) with notches (8), which do not extend into the film (7), and being bent to form the edge (Figs 2, 3).
4. Casing according to claim 2, characterised in that the notches (8) are filled with an adhesive (10) (Figs 2, 3).
EP88902135A 1987-03-13 1988-03-04 Housing for an entertainment electronics appliance Expired - Lifetime EP0353226B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88902135T ATE69936T1 (en) 1987-03-13 1988-03-04 HOUSING FOR A CONSUMER ELECTRONICS DEVICE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873708170 DE3708170A1 (en) 1987-03-13 1987-03-13 HOUSING FOR AN ENTERTAINMENT ELECTRONICS
DE3708170 1987-03-13

Publications (2)

Publication Number Publication Date
EP0353226A1 EP0353226A1 (en) 1990-02-07
EP0353226B1 true EP0353226B1 (en) 1991-12-04

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EP88103344A Pending EP0281956A1 (en) 1987-03-13 1988-03-04 Cabinet for electronic entertainment equipment
EP88902135A Expired - Lifetime EP0353226B1 (en) 1987-03-13 1988-03-04 Housing for an entertainment electronics appliance

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP88103344A Pending EP0281956A1 (en) 1987-03-13 1988-03-04 Cabinet for electronic entertainment equipment

Country Status (8)

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EP (2) EP0281956A1 (en)
JP (1) JPH02503971A (en)
KR (1) KR890700327A (en)
AT (1) ATE69936T1 (en)
DE (2) DE3708170A1 (en)
ES (1) ES2028372T3 (en)
GR (1) GR3003946T3 (en)
WO (1) WO1988006855A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2079267B1 (en) * 1993-05-25 1998-10-16 Jonathan Mobiliario S L INTERIOR DECORATION PROCEDURE.
DE19629355C1 (en) * 1996-07-20 1997-09-18 Robert Buhmann Production of environmentally friendly, hardly flammable, hard bent panels
US6214148B1 (en) * 1997-02-12 2001-04-10 David A. Hill System for applying a wood veneer across a corner of an elongate core
EP0947298B1 (en) * 1998-04-01 2004-07-21 Hornslet Möbelfabrik A/S A method for the manufacture of a furniture panel and a panel obtained by such a method
FR2777409A1 (en) * 1998-04-10 1999-10-15 Alain Pratali Wood panel acoustic enclosure manufacture technique
WO2001017737A1 (en) * 1999-09-02 2001-03-15 Hornslet Møbelfabrik A/S A method for the manufacture of a panel and a panel obtained by such a method
GB0305770D0 (en) * 2003-03-13 2003-04-16 Le Feuvre Nicholas P Single drive transmission line loud speakers using sound absorbent case construction
AT523071B1 (en) * 2019-12-15 2021-05-15 Winkler Christian Music player and piece of furniture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1261723A (en) * 1968-03-11 1972-01-26 Associated Semiconductor Mft Improvements in and relating to semiconductor devices
GB1223185A (en) * 1968-05-24 1971-02-24 Shock & Co G M B H A sheet for forming a piece of furniture, housing or the like and a method of making this piece of furniture, housing or the like
DE2114364A1 (en) 1971-03-25 1972-09-28 Licentia Gmbh
DE2202816C2 (en) * 1972-01-21 1974-02-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method of manufacturing a housing for loudspeakers and forming this housing
DE2513246A1 (en) * 1974-04-04 1975-10-16 Vittorio Norzi PRE-FABRICATED PANELS, PROFILES AND SIMILAR FOR USE IN CONSTRUCTION AND INTERIOR FURNISHING, IN PARTICULAR FOR THE MANUFACTURE OF FURNITURE, ITS PARTS, DOORS AND WINDOWS
DE2815714A1 (en) * 1978-04-12 1979-10-25 Bz Plankenhorn Kg Bending plastics-coated or veneered chipboard convexly - by grooving of other (concave) side, filling scores with adhesive (foam) and curving until edges of grooves touch
DE2927182C2 (en) 1979-07-05 1982-09-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method for producing a transformer, in particular a line transformer for a television receiver
DE8325521U1 (en) * 1983-09-06 1984-02-23 Profi Hifi Vertriebsgesellschaft mbH, 2000 Norderstedt SPEAKER BOX

Also Published As

Publication number Publication date
KR890700327A (en) 1989-04-24
DE3708170A1 (en) 1988-09-22
JPH02503971A (en) 1990-11-15
GR3003946T3 (en) 1993-03-16
EP0353226A1 (en) 1990-02-07
ES2028372T3 (en) 1992-07-01
DE3866701D1 (en) 1992-01-16
EP0281956A1 (en) 1988-09-14
WO1988006855A1 (en) 1988-09-22
ATE69936T1 (en) 1991-12-15

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