EP0353226B1 - Gehäuse für ein gerät der unterhaltungselektronik - Google Patents

Gehäuse für ein gerät der unterhaltungselektronik 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
Authority
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
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0353226A1 (de
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
Original Assignee
E W D ELECTRONIC-WERKE DEUTSCHLAND GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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/de
Publication of EP0353226A1 publication Critical patent/EP0353226A1/de
Application granted granted Critical
Publication of EP0353226B1 publication Critical patent/EP0353226B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Dry Shavers And Clippers (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
EP88902135A 1987-03-13 1988-03-04 Gehäuse für ein gerät der unterhaltungselektronik Expired - Lifetime EP0353226B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88902135T ATE69936T1 (de) 1987-03-13 1988-03-04 Gehaeuse fuer ein geraet der unterhaltungselektronik.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3708170 1987-03-13
DE19873708170 DE3708170A1 (de) 1987-03-13 1987-03-13 Gehaeuse fuer ein geraet der unterhaltungselektronik

Publications (2)

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

Family

ID=6322983

Family Applications (2)

Application Number Title Priority Date Filing Date
EP88902135A Expired - Lifetime EP0353226B1 (de) 1987-03-13 1988-03-04 Gehäuse für ein gerät der unterhaltungselektronik
EP88103344A Pending EP0281956A1 (de) 1987-03-13 1988-03-04 Gehäuse für ein Gerät der Unterhaltungselektronik

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP88103344A Pending EP0281956A1 (de) 1987-03-13 1988-03-04 Gehäuse für ein Gerät der Unterhaltungselektronik

Country Status (8)

Country Link
EP (2) EP0353226B1 (cg-RX-API-DMAC7.html)
JP (1) JPH02503971A (cg-RX-API-DMAC7.html)
KR (1) KR890700327A (cg-RX-API-DMAC7.html)
AT (1) ATE69936T1 (cg-RX-API-DMAC7.html)
DE (2) DE3708170A1 (cg-RX-API-DMAC7.html)
ES (1) ES2028372T3 (cg-RX-API-DMAC7.html)
GR (1) GR3003946T3 (cg-RX-API-DMAC7.html)
WO (1) WO1988006855A1 (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2079267B1 (es) * 1993-05-25 1998-10-16 Jonathan Mobiliario S L Procedimiento de decoracion interior.
DE19629355C1 (de) * 1996-07-20 1997-09-18 Robert Buhmann Gebogene Paneele und Verfahren zum Herstellen derselben
US6214148B1 (en) * 1997-02-12 2001-04-10 David A. Hill System for applying a wood veneer across a corner of an elongate core
DE69825140D1 (de) * 1998-04-01 2004-08-26 Hornslet Moebelfabrik As Horns Verfahren zur Herstellung von Möbelpaneele und nach dem Verfahren hergestellte Paneele
FR2777409A1 (fr) * 1998-04-10 1999-10-15 Alain Pratali Procede de fabrication d'enceinte acoustique pour hauts parleurs electrodynamiques
AU5408199A (en) * 1999-09-02 2001-04-10 Hornslet Mobelfabrik 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 (de) * 2019-12-15 2021-05-15 Winkler Christian Musikabspielgerät und Möbelstück

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 (cg-RX-API-DMAC7.html) 1971-03-25 1972-09-28 Licentia Gmbh
DE2202816C2 (de) * 1972-01-21 1974-02-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Herstellung eines Gehäuses für Lautsprecher und Ausbildung dieses Gehäuses
DE2513246A1 (de) * 1974-04-04 1975-10-16 Vittorio Norzi Fertigplatten, -tafeln, -profile und aehnliche zur verwendung im bauwesen und in der inneneinrichtung, insbesondere zur herstellung von moebeln, deren teilen und von tueren und fenstern
DE2815714A1 (de) * 1978-04-12 1979-10-25 Bz Plankenhorn Kg Verfahren zum herstellen von konvexen rundungen aus beschichtetem, plattenfoermigem material
DE2927182C2 (de) 1979-07-05 1982-09-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Herstellung eines Transformators, insbesondere eines Zeilentransformators für einen Fernsehempfänger
DE8325521U1 (de) * 1983-09-06 1984-02-23 Profi Hifi Vertriebsgesellschaft mbH, 2000 Norderstedt Lautsprecherbox

Also Published As

Publication number Publication date
GR3003946T3 (cg-RX-API-DMAC7.html) 1993-03-16
EP0281956A1 (de) 1988-09-14
DE3866701D1 (de) 1992-01-16
JPH02503971A (ja) 1990-11-15
WO1988006855A1 (fr) 1988-09-22
ES2028372T3 (es) 1992-07-01
DE3708170A1 (de) 1988-09-22
ATE69936T1 (de) 1991-12-15
EP0353226A1 (de) 1990-02-07
KR890700327A (ko) 1989-04-24

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