EP1427969B1 - Appareil de cuisson, porte d'appareil de cuisson, et procede de realisation d'une vitre de porte d'appareil de cuisson - Google Patents
Appareil de cuisson, porte d'appareil de cuisson, et procede de realisation d'une vitre de porte d'appareil de cuisson Download PDFInfo
- Publication number
- EP1427969B1 EP1427969B1 EP02774580A EP02774580A EP1427969B1 EP 1427969 B1 EP1427969 B1 EP 1427969B1 EP 02774580 A EP02774580 A EP 02774580A EP 02774580 A EP02774580 A EP 02774580A EP 1427969 B1 EP1427969 B1 EP 1427969B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- cooking appliance
- enamel layer
- pane
- muffle
- 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
Links
- 238000010411 cooking Methods 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 239000005357 flat glass Substances 0.000 claims abstract description 13
- 210000003298 dental enamel Anatomy 0.000 claims description 51
- 238000001816 cooling Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 5
- 238000007650 screen-printing Methods 0.000 claims description 4
- 238000000197 pyrolysis Methods 0.000 abstract description 8
- 230000008642 heat stress Effects 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 48
- 239000010410 layer Substances 0.000 description 42
- 238000010438 heat treatment Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 239000005388 borosilicate glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000001439 Opuntia Species 0.000 description 1
- 235000004727 Opuntia ficus indica Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/02—Doors specially adapted for stoves or ranges
- F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
Definitions
- the present invention relates to a cooking appliance, in particular with pyrolysis operation according to the preamble of claim 1, and a cooking appliance according to the preamble of claim 8. Furthermore, the present invention relates to a method for producing a door glass for the cooking appliance door, with the cooking appliance door closed with a front-side muffle frame of Garausmuffel in attachment.
- the door glass is of a plane, i. Non-domed, thermally toughened borosilicate flat glass made, which has an enamel layer, the area on the door pane is up to 10%.
- a pyrolysis which is provided with a full glass door with at least one inner pane.
- the inner pane When the glass door is closed, the inner pane is fitted with a front-side muffle frame of a cooking appliance muffle and, for example, made of a flat, thermally toughened borosilicate flat glass.
- a front-side muffle frame of a cooking appliance muffle and, for example, made of a flat, thermally toughened borosilicate flat glass.
- the inner pane on an enamel layer, by means of which an insight into the interior of the full glass door is locked.
- a generic cooking appliance is off US-A-6,024,084 known.
- an oven door glass pane which has a crowning, ie a predetermined curvature of the glass to avoid breakage and noise.
- the crowning of the glass pane can be controlled procedurally in the manufacture of the glass pane by targeted cooling air distribution during a cooling process and achieve, with this targeted cooling air distribution results in a corresponding glass bias through which the glass pane in the cooled state has the crowning.
- the object of the present invention is to provide a cooking appliance, a cooking appliance door and a method for producing a door panel for the cooking appliance door, through which the door glass improved impact resistance and increased Resistance to thermal stress, especially in the pyrolysis has.
- the object of the invention is achieved by a cooking appliance having the features of claim 1, by a cooking appliance door according to claim 8 and by a method having the features of claim 9.
- the cooking appliance door has at least one glass door pane which, when the appliance door is closed, is in contact with an end-side muffle frame of the cooking appliance muffle.
- the glass door pane consists of a flat, thermally toughened borosilicate flat glass. Borosilicate glass door panes are preferred for pyrolytic cooking appliances because their coefficient of thermal expansion is advantageously low and borosilicate glass is an inexpensive alternative to a transparent glass ceramic ("ROBAX”) whose thermal expansion coefficient is even lower than that of borosilicate glass. To increase the impact resistance and the resistance to thermal stress, the door glass is thermally pre-stressed.
- a thermal bias of the door glass is achieved by the door glass is fed to a device in which it is heated rapidly on the surface to about 150 ° C above the transformation temperature. In the region of the transformation temperature, a supercooled glass melt changes from the viscous to the elastic state. Immediately thereafter, the glass is blown through a nozzle system adapted to its shape with cold air. As a result of the rapid cooling of the glass surface, it is frozen in a widened grid while the interior of the glass slowly cools and has time to contract more. Since the surface and the interior of the glass are connected to each other, a compressive prestress is created in the surface layer and a tensile prestress inside, whereby the glass is thermally pre-stressed.
- the door pane according to the invention has an enamel layer as privacy protection against undesired glimpse into partial areas of the door.
- the surface portion of the enamel layer on the door glass is inventively limited to a value up to 10%.
- the enamel layer fulfills its purpose as a visual screen for an operator.
- the disadvantageous influence of the enamel layer on the surface structure of the door glass is greatly reduced; That is why the Impact resistance and the resistance to heat stress of the door glass in the pyrolysis increased in an advantageous manner.
- the enamel layer is applied to the surface of that side of the door pane on which a blow is applied. Therefore, in a preferred embodiment of the invention, the enamel layer is arranged on the side facing the Garellamuffel side of the door glass.
- a surface portion of the optionally colored enamel layer which is located in a closed oven door within a arranged between the door glass and the muffle frame muffle seal, a maximum of 5%.
- this surface portion of the enamel layer is reduced to 0% and the enamel layer is disposed outside a support position of the muffle seal. This prevents that when the cooking appliance door closed the enamel layer is disposed within the cooking chamber, or at least limited to the proportion of the enamel layer within the cooking chamber.
- a possible evaporation of pollutants from the colored enamel layer in the oven is prevented or severely limited.
- the enamel layer is preferably arranged on the side facing away from the Garausmuffel side of the door glass.
- this reduces the impact resistance of the door glass.
- the area fraction of the enamel layer on the side facing away from the cooking appliance muffle is up to 5%.
- the largest possible surface of the door glass is veneered by the enamel layer for an operator and on the other hand, the surface portion of the enamel layer is reduced as possible, the enamel layer is not formed over the entire surface of the door glass according to a preferred embodiment, but as a grid structure, in the form of a dot pattern or a line pattern.
- FIG. 1 is shown according to a first embodiment as a cooking appliance, a baking oven 1.
- a baking oven door 3 of the oven 1 closes a cooking chamber 5 which is open on the front side of a cooking appliance muffle 6.
- the cooking appliance door 3 has three full-glass door panes, namely a front door pane 7, a central door pane 9 and an inner pane 11; at least the inner pane 11 is made of a flat borosilicate flat glass.
- the oven door 3 a door cover 13 which is formed by a one-piece, frame-like formed sheet metal part having a side flange 15 which surrounds a rectangular viewing window of the oven door.
- the middle door pane is held in a mounting arrangement 14, 16.
- the mounting arrangement has according to the FIG. 1 an angle profile 14 which is fixed to the side flange 11, and a depth stop 16 which is integrally formed on the side flange 11.
- the oven door 3 on an operating handle 17 which is braced in a conventional manner between the front door glass and the door cover 13 by means of a fastening screw 18.
- the cooking chamber 5 is closed by means of the inner pane 11 of the oven door 1;
- a muffle seal 21 is inserted between a peripheral edge region of the inner pane 11 and the muffle frame 19, which framed substantially the front opening of the cooking chamber 5 and is usually supported on the muffle frame 19.
- the inner pane 11 is provided with an optionally colored enamel layer 23, which is applied to the cooking appliance muffler 6 facing side of the inner pane 11.
- the location of the enamel layer 23 on the door glass 11 is from the FIG. 2 seen.
- the FIG. 2 shows that the enamel layer 23 extends in the shape of a frame in the edge region of the cooking appliance muffle 6 facing side of the door glass 11.
- the Indian FIG. 2 shown surface portion of the enamel layer 23 is approximately in a range of 8-10% of the total area of the Garellamuffel 6 facing side of the door glass 11.
- the surface structure of this side of the door glass is so slightly affected by the enamel layer 23 that the Impact resistance and the resistance to heat stress in the pyrolysis operation is still sufficiently large and still a sufficiently good veneering of the inner pane 11 is reached.
- the enamel layer 23 is not applied to the entire surface on the side of the door glass 11, but in the form of a dot pattern. As a result, the surface portion of the enamel layer 23 is further lowered and at the same time provided a large veneer surface.
- FIG. 3 a second embodiment is shown, in which the enamel layer 23, as in the FIG. 2 , is arranged on the Garausmuffel 5 facing side of the inner pane 11. Unlike the FIG. 2 the enamel layer 23 is formed over the entire surface and extends approximately over 8-10% of the total surface of the door panel side.
- the entire enamel layer 23 is outside the drawn by the line 22 support position of the muffle seal 19 with the oven door 1 closed and thus even with the oven door closed outside the cooking chamber 5. This is a reliable evaporation of pollutants in pyrolysis in the oven 5 prevented.
- the method of manufacturing the door glass 11 according to the third embodiment is shown in a schematic block diagram of FIG FIG. 4 shown.
- a flat borosilicate flat glass plate in the form of an endless belt is produced which is cut, ground and / or drilled in a processing station 31 to order customer dimensions, ie to the dimensions of the door glass 11.
- the enamel layer 23 is applied in a screen printing station 33 with the aid of screen stencils which are produced by photographic means; for each color of enamel layer 23, a template is required.
- a burn-in station 35 the enamel layer 23 is burned into the door pane 11 and cooled in a cooling station 36 by means of a cooling air system.
- the area fraction of the enamel layer 23 on the door pane 11 is 0%, treatment of the door pane 11 in the screen printing station 33, the stoving station 35 and the cooling station 36 can be dispensed with.
- the door panel 11 is performed after cutting in the processing station 31 in an additional heat treatment station 37 and heat treated there to achieve a thermal bias of the door glass 11.
- the time-temperature curve applied in the heat treatment station 37 for heating and cooling the door pane 11 advantageously corresponds essentially to the time-temperature curve which is used in the burn-in station 35 and the cooling station 36 in the application of the enamel layer 23 to the door pane 11.
- FIG. 5 waived the additional heat treatment station 37. Nevertheless, in order to perform the heat treatment step provided in the heat treatment station 37, in the case where the area ratio of the enamel layer 23 is 0%, the Door panel 11 passed to the screen printing station 33 directly into the stoving station 35 and the cooling station 36, in which the heat treatment step is performed.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Ovens (AREA)
- Catalysts (AREA)
- Special Wing (AREA)
Claims (9)
- Appareil de cuisson, notamment avec fonctionnement en pyrolyse, comprenant une porte d'appareil de cuisson (3) destinée à fermer une chambre de cuisson (5), ouverte du côté frontal, d'un moufle d'appareil de cuisson (6), laquelle porte d'appareil de cuisson (3) présente au moins une vitre de porte (11) en verre plat plan, thermiquement précontraint, caractérisé en ce que le verre plat est un verre plat au borosilicate qui, lorsque la porte d'appareil de cuisson (3) est fermée, est appliqué contre un cadre de moufle (19), du côté frontal, du moufle d'appareil de cuisson (6) et présente une couche d'émail (23), dont la fraction de surface sur la vitre de porte (11) va jusqu'à 10%.
- Appareil de cuisson selon la revendication 1, dans lequel la couche d'émail (23) est disposée sur la face, tournée vers le moufle d'appareil de cuisson (2), de la vitre de porte (11).
- Appareil de cuisson selon la revendication 2, dans lequel la fraction de surface de la couche d'émail (23) qui, lorsque la porte d'appareil de cuisson (3) est fermée, est située dans une position d'application (22) d'un joint de moufle (21) disposé entre la vitre de porte (11) et le cadre de moufle (19), est comprise entre 0 et 5%.
- Appareil de cuisson selon l'une quelconque des revendications 2 ou 3, dans lequel la fraction de surface de la couche d'émail (23) est située dans à peu près une plage de 8 à 10% de la surface totale de la face, tournée vers le moufle d'appareil de cuisson (6), de la vitre de porte (11).
- Appareil de cuisson selon l'une quelconque des revendications précédentes, dans lequel la couche d'émail (23) est disposée sur la face, détournée du moufle d'appareil de cuisson (6), de la vitre de porte (11).
- Appareil de cuisson selon la revendication 5, dans lequel la fraction de surface de la couche d'émail (23) de la face, détournée du moufle d'appareil de cuisson (6), de la vitre de porte (11) va jusqu'à 5%.
- Appareil de cuisson selon l'une quelconque des revendications précédentes, dans lequel la couche d'émail (23) est exécutée en tant que structure quadrillée, par exemple en tant que modèle à points ou modèle à lignes.
- Porte d'appareil de cuisson pour un appareil de cuisson, laquelle présente au moins une vitre de porte (11) en verre plat plan, thermiquement précontraint, caractérisée en ce que le verre plat est un verre plat au borosilicate qui, lorsque la porte d'appareil de cuisson (3) est fermée, est appliqué contre un cadre de moufle (19), du côté frontal, du moufle d'appareil de cuisson (6) et présente une couche d'émail (23), dont la fraction de surface sur la vitre de porte (11) va jusqu'à 10%.
- Procédé de fabrication d'une vitre de porte (11) pour une porte d'appareil de cuisson d'un appareil de cuisson, notamment avec fonctionnement en pyrolyse, laquelle vitre de porte (11) est exécutée en verre plat plan au borosilicate, thermiquement précontraint, comprenant une couche d'émail (23) qui est appliquée sur la vitre de porte (11) dans une station de sérigraphie (33), une station de cuisson (35) ainsi que dans une station de refroidissement (36), avec une fraction de surface allant jusqu'à 10%.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10143925A DE10143925A1 (de) | 2001-09-07 | 2001-09-07 | Gargerät, Gargerätetür sowie Verfahren zur Herstellung einer Türscheibe für die Gargerätetür |
DE10143925 | 2001-09-07 | ||
PCT/EP2002/010000 WO2003023287A1 (fr) | 2001-09-07 | 2002-09-06 | Appareil de cuisson, porte d'appareil de cuisson, et procede de realisation d'une vitre de porte d'appareil de cuisson |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1427969A1 EP1427969A1 (fr) | 2004-06-16 |
EP1427969B1 true EP1427969B1 (fr) | 2008-02-13 |
Family
ID=7698074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02774580A Expired - Lifetime EP1427969B1 (fr) | 2001-09-07 | 2002-09-06 | Appareil de cuisson, porte d'appareil de cuisson, et procede de realisation d'une vitre de porte d'appareil de cuisson |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040232133A1 (fr) |
EP (1) | EP1427969B1 (fr) |
AT (1) | ATE386237T1 (fr) |
DE (2) | DE10143925A1 (fr) |
ES (1) | ES2300482T3 (fr) |
WO (1) | WO2003023287A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050609A1 (de) * | 2000-10-12 | 2002-04-18 | Bsh Bosch Siemens Hausgeraete | Gargerätetür |
DE10304281B4 (de) * | 2003-02-03 | 2019-05-09 | BSH Hausgeräte GmbH | Backofentür |
DE10344443B4 (de) * | 2003-09-25 | 2006-08-17 | Schott Ag | Gargerätetür mit einer Innenscheibe aus Borosilikat-Glas |
DE10344442B3 (de) * | 2003-09-25 | 2004-10-28 | Schott Glas | Gargerätetür mit einer Innenscheibe aus Borosilikat-Glas und Gargerät mit einer derartigen Tür |
DE102004022967A1 (de) * | 2004-05-10 | 2005-12-01 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerätetür |
DE102007040670B4 (de) * | 2007-08-27 | 2012-07-19 | Miele & Cie. Kg | Vorrichtung zum Verbinden von Glasscheiben einer Haushaltsgerätetür |
DE102007062979B4 (de) | 2007-12-21 | 2013-03-07 | Schott Ag | Verfahren zur Herstellung eines Glasgegenstands in Form einer Gargeräte-Innenscheibe, Glasscheibenpaket und Haushalts-Gargerätetür |
PL2108892T3 (pl) * | 2008-04-10 | 2015-12-31 | Whirlpool Co | Wbudowany piekarnik |
US9016270B2 (en) * | 2011-01-05 | 2015-04-28 | General Electric Company | Window mounting for thermal expansion in an oven appliance |
US9822983B2 (en) | 2012-05-31 | 2017-11-21 | Bsh Home Appliances Corporation | Self-cleaning household appliance having a range door with a full glass inner surface |
US9429329B2 (en) * | 2012-05-31 | 2016-08-30 | Bsh Home Appliances Corporation | Household appliance having a mounting system for a middle door glass |
WO2015096865A1 (fr) * | 2013-12-24 | 2015-07-02 | Arcelik Anonim Sirketi | Porte destinée à être utilisée dans un appareil électroménager et appareil électroménager comprenant celle-ci |
CN106461231A (zh) * | 2014-07-24 | 2017-02-22 | 伊莱克斯家用电器股份公司 | 用于悬挂厨房电器的门的模块化型材系统 |
CN114133139A (zh) * | 2021-12-06 | 2022-03-04 | 江苏孚日玻璃科技有限公司 | 一种玻璃瓶的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3702112A (en) * | 1971-01-05 | 1972-11-07 | Westinghouse Electric Corp | Door for continuous-cleaning oven |
JPS5933793A (ja) * | 1982-08-18 | 1984-02-23 | 松下電器産業株式会社 | 高周波加熱装置 |
IT1223450B (it) * | 1987-11-24 | 1990-09-19 | Saeg Getters Spa | Finestra oblo' per forni domestici con superficie esterna a bassa temperatura |
DE3831664A1 (de) * | 1988-09-17 | 1990-03-22 | Licentia Gmbh | Tuer zum verschliessen des garraumes eines herdes mit mikrowellen- und widerstandsbeheizung |
DE19814221A1 (de) * | 1998-03-31 | 1999-10-07 | Wolfgang Steinchen | Verfahren und Vorrichtung zur Bestimmung von Phasenverteilungen und Phasendifferenzen |
US6024084A (en) * | 1999-02-22 | 2000-02-15 | Engineered Glass Products, Llc | Double sided heat barrier glass with clear CVD coating and method of making the same |
DE10007923C1 (de) * | 2000-02-21 | 2001-10-31 | Aeg Hausgeraete Gmbh | Garofentür mit Innenscheibe aus Borosilicat-Glas |
DE10057604B4 (de) * | 2000-11-21 | 2007-06-28 | Schott Ag | Sichtfenster für Backöfen |
-
2001
- 2001-09-07 DE DE10143925A patent/DE10143925A1/de not_active Withdrawn
-
2002
- 2002-09-06 DE DE50211694T patent/DE50211694D1/de not_active Expired - Lifetime
- 2002-09-06 WO PCT/EP2002/010000 patent/WO2003023287A1/fr active IP Right Grant
- 2002-09-06 AT AT02774580T patent/ATE386237T1/de not_active IP Right Cessation
- 2002-09-06 EP EP02774580A patent/EP1427969B1/fr not_active Expired - Lifetime
- 2002-09-06 ES ES02774580T patent/ES2300482T3/es not_active Expired - Lifetime
-
2004
- 2004-03-05 US US10/795,099 patent/US20040232133A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1427969A1 (fr) | 2004-06-16 |
US20040232133A1 (en) | 2004-11-25 |
DE10143925A1 (de) | 2003-04-17 |
WO2003023287A1 (fr) | 2003-03-20 |
DE50211694D1 (de) | 2008-03-27 |
ES2300482T3 (es) | 2008-06-16 |
ATE386237T1 (de) | 2008-03-15 |
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