EP1591727A1 - Dispositif d'étanchéité - Google Patents

Dispositif d'étanchéité Download PDF

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Publication number
EP1591727A1
EP1591727A1 EP05008692A EP05008692A EP1591727A1 EP 1591727 A1 EP1591727 A1 EP 1591727A1 EP 05008692 A EP05008692 A EP 05008692A EP 05008692 A EP05008692 A EP 05008692A EP 1591727 A1 EP1591727 A1 EP 1591727A1
Authority
EP
European Patent Office
Prior art keywords
sealing
sealing device
profile
stiffening element
sealing profile
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
Application number
EP05008692A
Other languages
German (de)
English (en)
Other versions
EP1591727B1 (fr
Inventor
Harald RÖDEL
Robert Obermaier
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.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
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 Rehau AG and Co filed Critical Rehau AG and Co
Publication of EP1591727A1 publication Critical patent/EP1591727A1/fr
Application granted granted Critical
Publication of EP1591727B1 publication Critical patent/EP1591727B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 invention relates to a sealing device, preferably for the feed opening an oven or oven, with at least one flexible sealing profile having two end sections, which essentially runs in a closed line, leaving two essentially adjacent end portions form a joint, wherein the sealing means includes at least one corner or curvature portion of a sealing profile, which has a stiffening element.
  • Such a sealing device is shown for example in GB 2 106 974 A.
  • a conventional sealing device usually consists of an elongated and usually hollow sealing profile, shaping or stiffening holding means such. (round) corner hooks to adapt the sealing profile to the course of a baking muffle and it to fix on the outside, a (straight) connector and silicone adhesive for gluing Hook and connector.
  • the prefabricated profile length is glued to the ring by means of the connector.
  • the Connector is a separate component, which in a lower profile chamber of the sealing profile is glued.
  • silicone adhesive By wetting the entire cut surface with silicone adhesive is a full-surface bonding of the cut surface made on the sealing joint.
  • it can also be dispensed with a full-surface bonding - the connection
  • the profile ends in this case is then only on the glued connector.
  • the glued connector has the task to reinforce the joint in the sealing ring and to secure against the tensile forces occurring at the seal impact.
  • conventional sealing device comprises a plurality of individual components, which in a variety must be mounted individually by working steps. This goes hand in hand with high material costs and high assembly costs.
  • the invention is the task Reason to simplify a sealing device of the type mentioned above and the To facilitate production.
  • the object is achieved by a sealing device of the type mentioned in at the stiffening element bridges the joint and the adjacent end portions combines.
  • the sealing device bridges a shaping stiffening element the joint of two substantially adjacent end portions of one or a plurality of sealing profiles in a corner or curvature section of the sealing device.
  • the stiffening element which is the curvature region of the sealing device stiffened, at the same time assumes the task of reinforcing the joint in the sealing ring and to secure against the tensile forces occurring at the seal impact. So can the Saved connector, and incurred for the sealing device according to the invention Material and Monatgeonce be reduced.
  • the stiffening element firmly with a component to be sealed connect to.
  • the stiffening element simultaneously acts as a fastening device to attach a sealing profile to a component to be sealed.
  • the sealing frame can thereby taut and held in contact with the component to be sealed which reduces leakage and the sealing efficiency of the sealing device according to the invention elevated. Moreover, this can save a separate holding device which further reduces the material requirement of the sealing device according to the invention can.
  • the sealing profile in cross section at least in sections is hollow. This increases the flexibility and improves the sealing effect of the Sealing profile on the sealing surface. Moreover, the stiffening elements can then within the sealing profile are arranged, what the connection between the stiffening elements and the sealing profile significantly reinforced and the maximum power transmission considerably increased between the stiffening elements and the sealing profile. The joint This makes it much more resilient.
  • An optimal connection between the end sections of the sealing profiles can be achieved when the stiffening element from the end portion of an associated sealing profile out into the adjacent end portion extends.
  • An improved sealing effect can be achieved if the sealing frame the course the oven muffle is adapted and essentially describes a polygon.
  • loading openings for oven and cookers are normally substantially rectangular.
  • a sealing device, the course of the feed opening substantially followed in closed line, has a plurality of straight seal sections. At one Straight seal section, the leaks are known to be smaller than a curved Seal portion.
  • the Stiffening element has a fastening device.
  • a stiffening element attached to the stove Clamps and stiffens the sealing profile and specifies the course of the seal. So the sealing profile is better kept in contact with the component to be sealed.
  • At least one stiffening element is a corner hook.
  • corner hooks are suitable to the sealing frame firmly in door-side or to hold on the other side plant and stabilize shaping.
  • At least one stiffening element has a curvature section having a substantially constant radius. This is how the buckling can happen the sealing profile can be effectively prevented, which reduces leakage and the Gasket efficiency further increased. Curved stiffening elements are particularly suitable good to shape a sealing profile shaping.
  • At least one stiffening element has at least one extended leg following a curved portion.
  • the joint of two is substantially adjacent end portions within the curvature portion of a stiffening element.
  • the joint of two is substantially adjacent end portions in the region of an extended leg of a stiffening element.
  • stiffening elements glued into the sealing frame are.
  • the stiffening elements are firmly connected to the sealing profile and a relative Moving the sealing profile with respect to the holding elements no longer possible. This increases the dimensional stability of the sealing profile and contributes to increasing the sealing efficiency at.
  • the sealing frame is attached to the hearth.
  • the sealing device 1 consists of a elongated and at least partially hollow sealing profile 2, whose cross section in FIG 3 is shown.
  • the sealing profile 2 is made of a high temperature resistant, elastic and flexible Material manufactured, preferably extruded.
  • different sealing profiles 2 made of different materials can be combined become.
  • the one behind the other, partially hollow and elastic Sealing profiles 2 produced sealing frame is thereby attached to a furnace, that he the feed opening of the roasting and baking tube of the oven in a closed Line surrounds, and thereby follows substantially the course of the feed opening.
  • FIG. 3 shows the cross-section of a sealing device 1 used according to the invention Sealing profile 2 shown.
  • the sealing profile 2 has an approximately triangular cross-section and has an upper profile chamber 2a and a lower profile chamber 2b.
  • the lower one Profile chamber 2b has a substantially rectangular cross section and extends essentially parallel to the contact side 2d of the sealing profile 2, with the sealing profile 2 at the sealed oven (not shown) is applied.
  • a corresponding intervention device 2e is provided on the plant side to secure the sealing profile 2 against slippage, and engages in a corresponding oven-side arrangement e.g. Groove (not shown).
  • the left upper leg of the sealing profile 2 forms the grooved sealing side (hereinafter also called sealing surface) 2c.
  • the tip 2g in cross-section of the sealing profile connects the left, with the sealing surface 2c provided leg with the right, a kink 2f having legs of the sealing profile 2. If a pressure exerted by the sealing side on the sealing surface 2c, so kinks right leg of the sealing profile 2 at 2f kink and the tip 2g lowers view to the plant side 2d down.
  • the air contained in the upper profile chamber 2a can via a vent opening escape in the sealing profile 2.
  • the feed opening of the roasting and baking tube of the oven (hereinafter also called baking muffle), in which a sealing device according to the invention is installed, has a rectangular shape with rounded corners.
  • the dimensions of the loading opening are approx. 480 mm * 3150 mm.
  • the sealing profile is prefabricated and has a total length of about 1496 mm, wherein the support side 2d is about 25 mm wide.
  • the sealing profile 2 has planar cut surfaces, the cut planes extending substantially perpendicularly to the longitudinal direction of the sealing profile 2. For attachment of the corner hooks 3 on the sealing profile 2, the sealing profile 2 is opened on the support side.
  • elongated slots or elongated holes 2h with a length of 20 mm +/- 3 mm are provided centrally on the sealing profile 2 on the support side 2d extending in the longitudinal direction of the sealing profile 2 and penetrate the material of the sealing profile 2 to the lower profile chamber 2b.
  • the center of the first slot 2h 1 is spaced from a first end portion 2i 1 of the sealing profile 2 about 15 mm +/- 2 mm.
  • the center of the second slot 2h 2 follows at a distance of 305 mm +/- 3 mm, that of the third slot 2h 3 at a distance of a further 433 mm +/- 4 mm and that of the fourth slot 2h 4 at a distance from another 315 mm +/- 4 mm.
  • the center of the fourth slot 2h 4 from the other end portion 2i 2 of the sealing profile 2 about 428 mm +/- 4 mm apart.
  • a vent hole 2j arranged with a diameter of about 2 mm, which penetrates the material of the sealing profile 2 to the upper profile chamber 2a.
  • the vent hole 2j serves to discharge the displaced by closing the oven door from the upper profile chamber 2a air, so that the sealing profile 2 yields under the pressure exerted by the oven door pressure.
  • the four corner hooks 3 serve for later attachment of the seal 2 in the stove and give the sealing profile 2 adapted to the baking muffle course.
  • the corner hooks are made of one Stiffer material made as the sealing profile.
  • the corner hooks 3 have a mounting portion 3b, which is attached to the furnace, from which - following the sealing course - on both sides parts of an arcuate engaging portion 3a extend.
  • the engaging portion 3a engages in the assembled state via the openings 2h in the lower profile chamber 2b of the sealing profile 2 and is glued there using a silicone adhesive.
  • the corner hooks 3 are fixed on the furnace side approximately in the corner points in which meet the edges of the feed opening of the furnace.
  • the engagement portion 3a of a Eckhakens 3 is arcuately curved and serves for shaping stabilization of the sealing profile 2.
  • the engagement portion 3a extends completely within the lower profile chamber 2b of the sealing profile 2, thus providing the curvature in the curved portion.
  • the sealing profile describes a curve over an arc length of about 90 degrees with a constant radius of about 23.4 mm.
  • the engagement section 3a extending in the lower profile chamber 2b of the sealing profile 2 also has a radius of approximately 23.4 mm over an arc length of approximately 90 degrees. The length of the engaging portion 3a is therefore about 36.8 mm.
  • the slot opening 2h 1 is in the immediate vicinity of the end portion 2i 1 , bridges the arcuate curved engagement portion 3a of the corner hook 3 in the lower left corner over the joint and connects the two end portions 2i 1 and 2i 2 together.
  • the engaging portion 3a extends out of the first, associated end portion 2i 1 of the sealing profile 2 into the second end portion 2i 2 of the sealing profile 2.
  • the prefabricated profile length is glued to a closed frame in the area of the curvature.
  • the end portions 2i 1 and 2i 2 of the sealing profile 2 adjacent and the cut surfaces are adjacent.
  • corner hook 3 fulfills the task that in the prior art a connecting element comes to reinforce, namely the joint in the sealing ring and against the occurring Ensuring tensile forces on the sealing joint is another connecting component not necessary.
  • the corner hook 3 is extended at the lower left edge of the picture on a side adjacent to the curved portion, wherein the extended leg 3c substantially parallel to the bottom of the feed opening of the frying and baking tube extends the furnace. Otherwise there is no difference to the corner hook 3 of the first embodiment.
  • the extended portion 3c of the engagement portion 3a of the corner hook is not curved but straight and has a length of about 25 mm.
  • the engagement portion 3a extends over its entire length in the lower profile chamber 2b of the sealing profile.
  • the other three corner hooks 3 of the second embodiment are identical to the corner hook of the first embodiment.
  • the joint 4 is arranged in the region of the extended leg 3c.
  • the cross section of the unprocessed sealing profile 2 in the second embodiment is identical to the transverse web of the unprocessed sealing profile 2 in the first embodiment.
  • the sealing profile 2 of the second embodiment differs from the sealing profile 2 of the first embodiment only in terms of the arrangement of the openings 2h 1 to 2h 4 for introducing the corner hooks 3 in relation to the end portions 2i 1 and 2i 2 of the sealing profile. 2
  • the sealing profile must be prefabricated, so that the end portions 2i 1 and 2i 2 meet at the predetermined location in the region of the extended leg.
  • the sealing profile 2 is opened in the region of the curved sections.
  • slots or slots in the support area 2d of the sealing profile 2 are attached. The center of the first slot 2h 1 is spaced from an end portion 2i 1 of the sealing profile 2 about 35 mm +/- 2mm.
  • the center of the second slot 2h 2 follows at a distance of 315 mm +/- 3 mm, that of the third slot 2h 3 at a distance of a further 433 mm +/- 4 mm and that of the fourth slot 2h 4 at a distance from another 315 mm +/- 4 mm.
  • the center of the fourth slot 2h 4 from the other end portion 2i 2 of the sealing profile 2 about 398 mm +/- 4 mm apart.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasket Seals (AREA)
  • Seal Device For Vehicle (AREA)
EP05008692A 2004-04-28 2005-04-21 Dispositif d'étanchéité Active EP1591727B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004020799A DE102004020799A1 (de) 2004-04-28 2004-04-28 Dichtungseinrichtung
DE102004020799 2004-04-28

Publications (2)

Publication Number Publication Date
EP1591727A1 true EP1591727A1 (fr) 2005-11-02
EP1591727B1 EP1591727B1 (fr) 2011-10-05

Family

ID=34935490

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05008692A Active EP1591727B1 (fr) 2004-04-28 2005-04-21 Dispositif d'étanchéité

Country Status (3)

Country Link
EP (1) EP1591727B1 (fr)
AT (1) ATE527497T1 (fr)
DE (1) DE102004020799A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10788258B2 (en) * 2018-07-03 2020-09-29 Haier Us Appliance Solutions, Inc. Appliance gasket with internal arcuate component

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010041948A1 (de) 2010-10-04 2012-04-05 Mahle International Gmbh Filtereinrichtung
DE102014111215B3 (de) 2014-08-06 2015-08-06 Arnold Jäger Holding GmbH Eckausbildung einer Hohlkammerdichtung
BE1030780B1 (de) * 2022-08-16 2024-03-18 Miele & Cie Gargerät mit Selbstreinigungsfunktion, vorzugsweise mit Dampfunktion, besonders vorzugsweise Backofen-Dampfgarer-Kombigerät

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113827A (en) * 1982-01-23 1983-08-10 Silicone Fabrications Limited Stretch gaskets
EP0277098A2 (fr) 1987-01-21 1988-08-03 GIAT S.r.L. Joint de porte de four en élastomère ayant la forme d'un cadre fermé ou ouvert
GB2288624A (en) * 1994-04-21 1995-10-25 Pro Trade Distributors Cc Seals for oven doors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2106974B (en) * 1981-10-06 1985-08-29 Silicone Altimex Ltd Door seal
DE3200652C2 (de) * 1982-01-12 1992-01-16 Metzeler Kautschuk GmbH, 8000 München Dichtungsrahmen aus elastomerem Material
GB2281945B (en) * 1993-09-16 1996-07-03 Silicone Altimex Ltd Anchorage member

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2113827A (en) * 1982-01-23 1983-08-10 Silicone Fabrications Limited Stretch gaskets
EP0277098A2 (fr) 1987-01-21 1988-08-03 GIAT S.r.L. Joint de porte de four en élastomère ayant la forme d'un cadre fermé ou ouvert
GB2288624A (en) * 1994-04-21 1995-10-25 Pro Trade Distributors Cc Seals for oven doors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10788258B2 (en) * 2018-07-03 2020-09-29 Haier Us Appliance Solutions, Inc. Appliance gasket with internal arcuate component

Also Published As

Publication number Publication date
DE102004020799A1 (de) 2005-11-24
EP1591727B1 (fr) 2011-10-05
ATE527497T1 (de) 2011-10-15

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