EP1257771A1 - Counter-door frame with gasket for domestic cooking ovens - Google Patents
Counter-door frame with gasket for domestic cooking ovensInfo
- Publication number
- EP1257771A1 EP1257771A1 EP00909625A EP00909625A EP1257771A1 EP 1257771 A1 EP1257771 A1 EP 1257771A1 EP 00909625 A EP00909625 A EP 00909625A EP 00909625 A EP00909625 A EP 00909625A EP 1257771 A1 EP1257771 A1 EP 1257771A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gasket
- counter
- door
- frame
- anchoring
- 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.)
- Granted
Links
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
- F24C15/021—Doors specially adapted for stoves or ranges sealings for doors or transparent panel
Definitions
- the additional costs of the gasket will comprise, besides those for extruding the section, only those for carrying out the slots by die-cutting, while saving the metal inserts and the insertion thereof in the gasket through said slots.
- the oven manufacturer will have to carry out the preparation of the anchoring seats, which will be obtained by providing a single suitable die, as well as the mounting of the gasket thereon.
- die amortization and handwork burden for putting the gasket onto the relevant seats will never equal the increased cost of the complete gasket provided by the gasket manufacturer, to which anyway it had to be added the burden of the oven manufacturer to provide for anchoring in the counter-door associate holes of the metal inserts already fitted in the gasket.
- figure 1 shows a frontal view of an example, according to the present invention, of an assembly of counter-door for domestic cooking oven, that is of a muffle frame with relevant gasket, where the door (not shown) is intended to abut, - 3 -
- figure 2 shows a perspective view of a corner portion of only the frame or counter-door of figure 1 which shows in a greater detail one of the elements, made thereon, for anchoring the gasket, here not shown;
- figure 3 shows, in a bigger scale than figure 1 , a corner portion of the gasket mounted on a oven counter-door, not shown;
- figure 4 shows a sectional view, along line IV-IV, of the gasket of figure 3, mounted on a corresponding counter-door portion as shown in figure 2.
- a frame of a muffle 10 of a domestic oven traditionally with four sides which enclose the oven internal space 11 , closed by a door (not shown) suitable to abut, by closing, against the frame 1 on which a sealing gasket 2 is mounted, normally made of rubber, preferably of the silicone-based type, having a traditional cross-sectional shape with longitudinal internal chamber 9 and, in the upper part, sealing wing with or without a further chamber 9a (see figure 4).
- the gasket is shown by means of dotted lines of which the external pair of lines schematically represents the two side feet which are normally present in this kind of gasket, which continuously extend in all their length so as to improve the sealing to the anchoring surface, while the above mentioned wing is useful for improving the sealing against the door, thus preventing fumes and vapors from coming out from the oven.
- the left side of the drawing relates to a three-sided gasket ending with an end 6, while at the right side thereof a four- sided gasket is assumed, which is imagined to continue beyond the line of interruption of the drawing in the central zone, being closed by a head junction which is not shown.
- frame 1 is provided, at every corner, with a gasket anchoring member 3, better shown in figure 2.
- said member 3 is formed by means of partial cutting or half-cutting and drawing of the plate which forms the counter- door.
- the cutting lines, the full external one 5 and the partial internal one 6, are curved, preferably with homologous bend, both having the same bending center represented with O in figure 2, and their ends are connected to each other by a curve whose radius is notably smaller than the bending radius of lines 5 and 6.
- the cutting is provided only on two terminal, mutually symmetric segments, leaving the continuity of the plate along a central arch CD, internal to arch AB between the ends of the cutting.
- the curved strip 7 of the plate included between lines 5 and 6, is raised so as to be parallel to the plane of frame 1 and joined to this by a substantially perpendicular segment 8 which extends along said arch CD, thus conferring to the anchoring seat or member 3 substantially the shape of an L in cross-section, as shown in figure 4.
- angle AOB equals the muffle corner (generally of 90° as shown in the figure, but not necessarily, when non-rectangular muffles are used), while angle COD is smaller than this.
- gasket 2 is provided with a slot 4 obtained by removal of material. Insertion is carried out by introducing one end of member 3 into the internal chamber of the gasket, inserting it into the slot until it contacts segment 8.
- member 3 has to be completely penetrated into the slot and is convenient that the latter, at the end of the insertion, be in contact with the vertical ends of segment 8, without clearance, in order to prevent movements once in function, but also avoiding stresses which could, in time, cause tearings. Therefore, it is preferred that the length of slot 4 indicated with L be equal to the length of segment 8, that is, of arc CD. By indicating with COD the corresponding angle, it must be:
- angle AOB relevant to the whole member 3 substantially copies the corresponding angle of the frame or counter-door corner, almost always of 90°
- angle COD having a smaller size, can be for instance of 60° or 70° according to the maximum effort accepted for inserting the gasket or removing the same when dismounting.
- a counter-door frame (1) for domestic cooking ovens with a coupling zone of an elastomeric rubber gasket (2) at every corner of the frame, characterized in that in every one of said coupling zones a curved member (3) is provided, obtained by half-cutting and drawing of the plate which forms said frame (1), having in cross- section substantially the shape of an L, comprising a strip of plate (7) spaced and substantially parallel to said frame (1), whose ends are suitable for insertion into corresponding slots (4) made by removal of material from said gasket (2).
- each of said coupling members (3) is provided with said curved strip (7), spaced from the frame and joined thereto by means of a substantially perpendicular segment (8) which extends along an arc (CD) having a smaller size than arc (AB) along which said strip (7) extends, symmetrically with respect to this, said arcs (7, 8) of the member (3) forming in cross-section the sides of said L.
- a counter-door frame and gasket assembly characterized in that said segment (8) of member (3) is joined to said frame (1) along a drawing curved line (6) cut only at the ends, with the bending center (O) coincident with that of the external curved line (5) of full cutting along which said strip (7) is separated from said frame, said curves (5, 6) being connected between them at the ends with bends whose radius is sensibly smaller than the bending radius (R) of the lines (5,6) having center in O.
- a frame and gasket assembly according to claim 4 characterized in that, for an angle (AOB) of said cutting line (5) of about 90°, the angle (COD) corresponding to said segment (8) not cut along said line (6) is of about 60°-70°, so as to obtain a lengthening of the length L of the slot (4) of about 30%, when inserting member (3) into gasket (2).
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2000/000055 WO2001063181A1 (en) | 2000-02-22 | 2000-02-22 | Counter-door frame with gasket for domestic cooking ovens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1257771A1 true EP1257771A1 (en) | 2002-11-20 |
EP1257771B1 EP1257771B1 (en) | 2004-12-01 |
Family
ID=11133488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00909625A Expired - Lifetime EP1257771B1 (en) | 2000-02-22 | 2000-02-22 | Counter-door frame with gasket for domestic cooking ovens |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1257771B1 (en) |
AU (1) | AU2000231903A1 (en) |
DE (1) | DE60016468T2 (en) |
PL (1) | PL196577B1 (en) |
TR (1) | TR200201953T2 (en) |
WO (1) | WO2001063181A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4033157A1 (en) * | 2021-01-20 | 2022-07-27 | LG Electronics Inc. | Cooking appliance |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015102981B4 (en) * | 2015-03-02 | 2024-05-29 | Rational Aktiengesellschaft | Front panel for a cooking appliance, assembly with a front panel and an inner box for a cooking appliance and method for producing the assembly |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2106974B (en) | 1981-10-06 | 1985-08-29 | Silicone Altimex Ltd | Door seal |
DE3222671C2 (en) | 1982-06-16 | 1984-05-17 | Metzeler Kautschuk GmbH, 8000 München | Arrangement for sealing a door that closes a Bachofen muffle |
DE3439336A1 (en) * | 1984-10-26 | 1986-05-07 | Metzeler Kautschuk GmbH, 8000 München | DOOR SEAL FOR AN OVEN |
EP0277098B1 (en) | 1987-01-21 | 1992-04-29 | GIAT S.r.L. | Improved gasket of elastomer material in the form of a closed or open frame for cooking oven doors |
-
2000
- 2000-02-22 EP EP00909625A patent/EP1257771B1/en not_active Expired - Lifetime
- 2000-02-22 DE DE60016468T patent/DE60016468T2/en not_active Expired - Lifetime
- 2000-02-22 TR TR2002/01953T patent/TR200201953T2/en unknown
- 2000-02-22 WO PCT/IT2000/000055 patent/WO2001063181A1/en active IP Right Grant
- 2000-02-22 AU AU2000231903A patent/AU2000231903A1/en not_active Abandoned
- 2000-02-22 PL PL356298A patent/PL196577B1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO0163181A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4033157A1 (en) * | 2021-01-20 | 2022-07-27 | LG Electronics Inc. | Cooking appliance |
Also Published As
Publication number | Publication date |
---|---|
EP1257771B1 (en) | 2004-12-01 |
AU2000231903A1 (en) | 2001-09-03 |
DE60016468T2 (en) | 2005-12-29 |
PL356298A1 (en) | 2004-06-28 |
TR200201953T2 (en) | 2007-01-22 |
WO2001063181A1 (en) | 2001-08-30 |
DE60016468D1 (en) | 2005-01-05 |
PL196577B1 (en) | 2008-01-31 |
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