EP1418386B1 - Rauch und/oder Dampfabzugseinrichtung für Küchenabzugshauben - Google Patents

Rauch und/oder Dampfabzugseinrichtung für Küchenabzugshauben Download PDF

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Publication number
EP1418386B1
EP1418386B1 EP03022385A EP03022385A EP1418386B1 EP 1418386 B1 EP1418386 B1 EP 1418386B1 EP 03022385 A EP03022385 A EP 03022385A EP 03022385 A EP03022385 A EP 03022385A EP 1418386 B1 EP1418386 B1 EP 1418386B1
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EP
European Patent Office
Prior art keywords
duct
exhausting device
sucking
fume
hood
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
EP03022385A
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English (en)
French (fr)
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EP1418386A2 (de
EP1418386A3 (de
Inventor
Giovanni Paladini
Marco Paladini
Stefano Basini
Sonia Paladini
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Individual
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Individual
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Publication date
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Publication of EP1418386A2 publication Critical patent/EP1418386A2/de
Publication of EP1418386A3 publication Critical patent/EP1418386A3/de
Application granted granted Critical
Publication of EP1418386B1 publication Critical patent/EP1418386B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24C15/20—Removing cooking fumes
    • F24C15/2078—Removing cooking fumes movable
    • F24C15/2085—Removing cooking fumes movable adjustable in height

Definitions

  • This invention concerns a fume and/or steam device designed to improve the efficiency of kitchen hoods, and in particular to increase the suction capability of usual or specially constructed hoods; the invention also refers to kitchen hoods provided with such a fumes and/or steam sucking and exhausting device.
  • gas is to be understood to include gases, vapours and small liquid or solid particles all being capable of being entrained in a flow of gas.
  • a kitchen hood usually comprises upper and/or side walls, as well as a lower grating for the passage and the filtering of air and fumes from a cooking area.
  • the term "cooking area” is to be understood to include a cooker comprising a plurality of differently arranged stoves, on which saucepans can be disposed in order to get the food cooked.
  • the hoods are usually positioned above the stoves, at a certain vertical height, so as to provide easy access to the same stoves.
  • the fumes are essentially composed both of gas combustion products and of steam generated by the food cooking, their insufficient removal could lead to deterioration of the air quality; in particular, the air will contain a greater quantity of carbon dioxide, and become less breathable, and at the same time odours, which may also prove to be unpleasant, especially in the event of them spreading into the rooms adjacent to the kitchen, will diffuse.
  • this hood is structurally complex, involving high constructional costs.
  • WO 97/35151 relates to a hood having a peripheral wall comprising a plurality of adjacent laminae which are pivotally connected to an upper support part, in order to be deformed and adapted to cooking vessels on the stove.
  • the whole hood is carried by a concertina-like flexible and axially deformable hose, the upper end of which is attached to a fixed point of a ceiling or wall.
  • the main object of this invention is to provide a localised fume sucking and exhausting device for kitchen hoods, which is constructionally simple, inexpensive, and offers the possibility of improving the fume suction conditions by the hood, while maintaining easy access to the cooking area.
  • a further object of this invention is to provide a localised fume sucking and exhausting device of the aforementioned kind, which comprises filtering means for the suctioned fumes.
  • a still further object of this invention is to provide a fume exhausting device of the aforementioned kind, which can be easily installed in existing kitchen hoods.
  • a further object of this invention is to provide a kitchen hood whereby it is possible to achieve more efficient suction of the fumes thanks to at least one localised fume sucking and exhausting device of the aforementioned kind.
  • a fume and/or steam localised sucking and exhausting device is fitted onto a specially constructed kitchen hood which is arranged over a cooking area.
  • the kitchen hood can comprise upper and/or side walls, and a lower wall 10 without grating, but having at least one opening for passage of the fumes and/or steam emitted while the food is being cooked.
  • the hood is provided with a fume exhausting device 11 according to the invention, each comprising a kitchen fume sucking and exhausting duct 12, downwardly protruding from the upper hood.
  • the lower wall 10 of the hood should be constructed without grating, but only having such openings in correspondence to the exhausting devices 11, in order to guarantee a good fume suction by the exhausting device 11; in fact, in this way, a greater suction pressure formation should occur in the exhausting device 11 by having a closed lower wall 10 around the same exhausting device 11.
  • the sucking duct 12 is axially extensible between an upwardly retracted condition, as shown in figure 3, and a downwardly extended condition, as shown in figure 2, and is provided with a lower suction inlet mouth 13; such conditions make the exhausting device 11 highly versatile in use.
  • the exhausting duct 12 can be shifted to the downwardly extended condition whenever it is necessary to maximise the suction of the hood, in that in such condition, the suction inlet mouth 13 of the exhausting duct 12 is close to the food cooking in a saucepan below, thereby efficiently removing the odours and steam emitted, as well as the gas combustion products.
  • the exhausting duct 12 can be placed in the upwardly retracted condition whenever it is no longer necessary to use the exhausting device, or whenever it is necessary to gain access to the saucepan, for example to stir the food or to remove the saucepan from the stove.
  • the exhausting duct 12 can also comprises blocking means, not shown, in order to allow the duct 12 to assume an axially adjustable intermediate position between the retracted condition and the extended condition, according to the user requirements.
  • the localised sucking and exhausting device 11 also comprises securing means for fastening the exhausting duct 12 to the upper hood, for example snap-on means, or joints, or screws.
  • the securing means are preferably of the removable type, so that the device itself can be removed for accurate cleaning.
  • the exhausting duct 12 is telescopically extensible, and in particular comprises a plurality of concentric annular elements 14 of a slightly different diameter from one another; such annular elements 14 are conical, so that each conical element 14 interferes with the conical element 14 having slightly greater and/or smaller diameter.
  • An exhausting duct 12 of the above described type can also be angularly oriented towards different points of the cooking area; in fact the various annular elements 14 can slant reciprocally, thereby enabling the suction inlet mouth 13 of the duct 12 to be disposed in the most appropriate position of the cooking area above a saucepan.
  • the sucking duct 12 can be oriented in any lateral direction, along an angle of 360°.
  • each annular element 14 can be suitably shaped, for example folded respectively inward and outward, in order to vary the possibility of side orientation of the exhausting duct 12.
  • the localised sucking and exhausting device 11 can comprise a filter element 15 inserted in the exhausting duct 12, in a suitable position along its axial development, for example fitted in correspondence with the lower inlet mouth 13, or at the top of the duct 12.
  • the filter element 15 can be of the metal wire mesh type or of the actived carbon type, or of any other type suitable for the user requirements, and is removably secured to the duct 12, to enable it to be cleaned or replaced.
  • the exhausting duct 12 is preferably secured to the hood by means of a supporting element 16, which is also designed to house the duct 12 in the upwardly retracted condition; in this embodiment, the smallest annular element 14 of the duct 12 is secured to the supporting element 16, for example by means of a coupling conical annular member 17 or by means of tangs of the same annular element 14, its tabs, peripherally around a central hole 18 in the same support element 16 which allows latter which permits the passage of the fumes and/or steam towards the hood.
  • the supporting element 16 in turn is for example secured above the lower wall 10 of the hood, therefore inside the hood, in correspondence with an opening of the lower wall 10, designed to allow the extension of the exhausting duct 12 towards the stoves.
  • the localised sucking and exhausting device 11 also comprises disengageable hooking means for retaining the sucking duct 12 in the retracted condition, for example consisting of a peripheral rib on the annular element 14 of greater diameter, or on the filter element 15, which fits into an appropriate corresponding groove in the supporting element 16.
  • the exhausting device 11 also comprises manual gripping means for seizing the duct 12, for example one or more handles 19, to allow its longitudinal extension and/or its angular orientation.
  • a second embodiment of the invention concerns a fume exhausting device applicable to existing common kitchen hoods.
  • the exhausting duct 12 is secured to a supporting element 20, for example in the form of an annular plate, which in turn is removably secured to a lower suction grating of the conventional hood, for example by means of permanent magnets 21, housed in appropriate seats in the supporting element 20, or by means of suction cups or other means.
  • a covering shield (not shown) should be arranged against the lower grating of the hood; in this way, the covering shield, having a suction opening for each exhausting device 11, should allow a greater suction pressure formation in the exhausting device 11 by closing the lower grating around the same exhausting device 11.
  • the disengageable hooking means for retaining the exhausting duct 12 in the retracted position comprise for example parts designed to form a disengageable coupling between the smallest or the greater annular element 14 and the filter element 15.
  • the sucking duct 12 can be composed of any metal material free from oxidation phenomena, or of a plastic material, or of any other suitable material.
  • Figures 6 to 9 show several examples of conformation for the filter element 15 and/or for the cross section 6 of the fume exhausting duct 12: in particular, figure 7 shows a filter element 15 and/or a cross section of the sucking duct 12 having a circular shape, whereby it is possible to orientate the duct 12 in a side direction along an angle of 360°.
  • the filter element 15 and/or the cross section of the fume exhausting duct 12, respectively have a square and pentagonal polygonal shape.
  • the filter element 15 and/or the cross section of the fume exhausting duct 12 have an elliptic shape.
  • FIGS 10, 11 and 12 Further embodiments of the kitchen fume sucking and exhausting device according to the invention are shown in figures 10, 11 and 12, in which the same reference numbers have been used to indicate similar or equivalent parts.
  • figure 10 shows a kitchen fume exhausting device 11 having a fume sucking duct 12, axially extensible according to its longitudinal axis, which comprises a bellows-shaped portion 30, which in this case is disposed at the upper end of the duct 12, whereby it is secured to the lower wall 10 of the hood, and a telescopically extensible portion 31, which in this case is disposed at the lower end of the sucking duct 12.
  • the telescopically extensible portion 31 ends with a lower suction inlet mouth 13 and comprises a plurality of concentric and conical annular elements 14.
  • a sucking duct 12 of this kind with a bellows-shaped portion and a telescopically extensible portion, has improved features as regards the possibilities of angular side orientation with respect to the longitudinal axis of the duct; in particular the exhausting duct 12 can be angularly oriented to a greater extent as compared to the previously described structural solutions.
  • the exhausting duct 12 can be provided with a filter element 15, for example disposed in correspondence with the lower inlet 13, or in any other suitable position.
  • the exhausting duct 12 can for example be secured above the lower wall 10 of a suitably fitted hood by means of a supporting element 16, shown in the figures 10 and 11, designed to receive the duct 12 in the upwardly retracted condition, or in any other appropriate way.
  • the sucking device 11 also comprises disengageable hooking means 32 for retaining the sucking duct 12 in the retracted condition, for example flexible tangs engageable with one another, provided on the upper and lower end of the duct 12, as well as manual gripping means 19 for seizing the duct 12.
  • disengageable hooking means 32 for retaining the sucking duct 12 in the retracted condition, for example flexible tangs engageable with one another, provided on the upper and lower end of the duct 12, as well as manual gripping means 19 for seizing the duct 12.
  • Figure 11 shows the fume exhausting device 12 of Fig. 10 in an angularly orientated condition in which only the bellows-shaped portion 30 is orientated.
  • Figure 12 shows another embodiment of a kitchen fume exhausting device 11 having a fume sucking and exhausting duct 12 which comprises a bellows-shaped portion 30, which in this case is disposed at the lower end of the sucking duct 12, and a telescopically extensible portion 31, which in this case is disposed at the upper end of the duct 12.
  • the sucking device 11 is provided with a filter element 15 disposed on the upper end of the duct 12, as well as disengageable hooking means 32 for retaining the sucking duct 12 in the retracted condition, and manual gripping means 19.
  • the fume exhausting device 11 of Fig. 12 can be secured to a pre-existing hood, for example by means of the filter element 15 itself which will replace a conventional filter of the hood, or for example by means of permanent magnets, not shown, which will attach themselves to the metal lower grating of the hood.
  • a covering shield should be arranged against the lower grating of the hood, in order to guarantee a greater suction pressure in the exhausting device 11.
  • fume sucking duct 12 can comprise one or more bellows-shaped portions and one or more telescopically extensible portions disposed in any way and in any position along the duct 12.
  • the sucking duct 12 can be connected to the fume suction hood by angular orientation means with respect to the aforesaid longitudinal axis of the duct 12, such as for example a bellows-shaped portion of duct, as in the case shown in Fig. 10, or a ball joint, not shown.
  • figure 13 shows a kitchen fume exhausting device 11 comprising a fume sucking and exhausting duct 12 which is telescopically extendable according to its longitudinal axis.
  • the exhausting duct 12 comprises a plurality of concentric annular elements 14 having slightly different diameter from one another, which are constructed and shaped so that each annular element 14 interferes with the adjacent annular elements 14 having greater and/or smaller diameter. This is achieved for example providing the annular elements 14 with a conical shape, or alternatively providing the same elements 14 with suitable peripheral annular flanges at their rims.
  • the exhausting duct 12 has a conical shape diverging towards the upper hood, and the annular elements 14 are provided with a plurality of lateral suction slits 40.
  • any embodiment of the exhausting device 11 according to the invention can comprise a exhausting duct 12 having a plurality of lateral suction slits, in order to improve the suction capability of the device 11.
  • disengageable means for retaining the exhausting duct 12 in the contracted condition are fastened to the cover 41; for example the disengageble means can comprise side tongues 42 which are foldable by hinges 43 connected to the same cover 41. Each tongue 42 comprises permanent magnet means 44 in order to retain the exhausting duct 12 to the hood when contracted.
  • the exhausting duct 12 is preferably secured to the hood by means of a supporting element 16, designed to house the duct 12 in the contracted condition; in turn, the supporting element 16 is for example fastened above the lower wall 10 of the hood.
  • the exhausting device 11 can be removably secured under a lower grating of an existing hood, by arranging said covering shield against the same lower grating, in order to increase the suction pressure in the exhausting device 11.
  • the sucking device 11 can further comprise a filter element 15, for example of the metal wire mesh type or of the actived carbon type.
  • the device 11 also comprises manual gripping means for seizing the duct 12, for example an handle 19 fastened to the cover 41, to allow its longitudinal extension and/or its angular orientation.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Claims (18)

  1. Dunstabsaug- und Dunstabzugsvorrichtung (11) für eine Küchenhaube über einem Kochbereich, mit:
    - einer Dunstabsaugleitung (12), die von der Küchenhaube nach unten vorsteht, wobei die Absaugleitung (12) zwischen einem nach oben eingefahrenen und einem nach unten ausgefahrenen Zustand axial auseinanderziehbar ist,
    - Mitteln zum Befestigen der Absaugleitung (12) an der Küchenhaube; und
    - lösbaren Einhakmitteln zum Halten der Absaugleitung (12) in dem nach oben eingefahrenen Zustand,
    dadurch gekennzeichnet dass:
    - die axial verlängerbare Absaugleitung (12) mehrere teleskopartig bewegliche Ringelemente (14) umfasst, wobei die Ringelemente (14) konzentrisch angeordnet und konisch geformt sind, damit sie hin und her geneigt werden können, um die ausgefahrene Absaugleitung (12) zu verschiedenen Absaugpunkten des Kochbereichs unter der Küchenhaube zu orientieren.
  2. Dunstabzugsvorrichtung (11) nach Anspruch 1, gekennzeichnet durch ein Filterelement (15), das in die Absaugleitung (12) eingesetzt ist.
  3. Dunstabzugsvorrichtung (11) nach Anspruch 1, dadurch gekennzeichnet, dass die Absaugleitung (12) in irgendeiner seitlichen Richtung über einen Winkel von 360° orientierbar ist.
  4. Dunstabzugsvorrichtung (11) nach Anspruch 1, gekennzeichnet durch Handgriffmittel (19), um die Leitung (12) zu ergreifen, um ihre longitudinale Ausdehnung und/oder ihre Winkelorientierung zuzulassen.
  5. Dunstabsaug- und Dunstabzugsvorrichtung (11) nach Anspruch 1, dadurch gekennzeichnet, dass die Absaugleitung (12) an der Haube befestigt ist.
  6. Dunstabzugsvorrichtung (11) nach Anspruch 1, dadurch gekennzeichnet, dass die Absaugleitung (12) an der Haube lösbar befestigt ist.
  7. Dunstabzugsvorrichtung (11) nach Anspruch 1, dadurch gekennzeichnet, dass die konischen Elemente (14) zu der oberen Haube zusammenlaufen.
  8. Dunstabzugsvorrichtung (11) nach Anspruch 1, dadurch gekennzeichnet, dass die konischen Elemente (14) zu der oberen Haube auseinanderlaufen.
  9. Dunstabzugsvorrichtung (11) nach Anspruch 1, dadurch gekennzeichnet, dass die ringförmigen Elemente (14) der Leitung (12) mehrere seitliche Saugschlitze (40) aufweisen.
  10. Dunstabzugsvorrichtung (11) nach Anspruch 2, dadurch gekennzeichnet, dass das Filterelement (15) vom Metallnetztyp ist.
  11. Dunstabzugsvorrichtung (11) nach Anspruch 2, dadurch gekennzeichnet, dass das Filterelement (15) vom Aktivkohletyp ist.
  12. Dunstabzugsvorrichtung (11) nach Anspruch 1, dadurch gekennzeichnet, dass die Absaugleitung (12) wenigstens einen faltenbalgförmigen Abschnitt (30) und wenigstens einen teleskopartig verlängerbaren Abschnitt (31) umfasst.
  13. Dunstabzugsvorrichtung (11) nach Anspruch 12, dadurch gekennzeichnet, dass der faltenbalgförmige Abschnitt (30) der Leitung am oberen Ende der Leitung (12) angeordnet ist und dass der teleskopartig verlängerbare Abschnitt (31) am unteren Ende der Absaugleitung (12) angeordnet ist.
  14. Dunstabzugsvorrichtung (11) nach Anspruch 12, dadurch gekennzeichnet, dass der teleskopartig verlängerbare Abschnitt (31) der Leitung (12) am oberen Ende der Leitung (12) angeordnet ist und
    dass der faltenbalgförmige Abschnitt (30) am unteren Ende der Absaugleitung (12) angeordnet ist.
  15. Dunstabzugsvorrichtung (11) nach Anspruch 1, bei der die Absaugleitung (12) in Richtung ihrer Längsachse axial auseinanderziehbar ist, dadurch gekennzeichnet, dass die Absaugleitung (12) mit der Küchenhaube durch Winkelorientierungsmittel der Leitung (12) in Bezug auf die Längsachse verbunden ist.
  16. Dunstabzugsvorrichtung (11) nach Anspruch 15, dadurch gekennzeichnet, dass die Winkelon-entierungsmittel aus einem faltenbalgförmigen Abschnitt der Leitung bestehen.
  17. Dunstabzugsvorrichtung (11) nach Anspruch 15, dadurch gekennzeichnet, dass die Winkelorientierungsmittel aus einem Kugelgelenk bestehen.
  18. Dunstabzugsvorrichtung (11) nach Anspruch 6, dadurch gekennzeichnet, dass die Absaugleitung (12) an der Haube mittels Permanentmagneten befestigt ist.
EP03022385A 2002-10-31 2003-10-06 Rauch und/oder Dampfabzugseinrichtung für Küchenabzugshauben Expired - Lifetime EP1418386B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20022319 2002-10-31
IT002319A ITMI20022319A1 (it) 2002-10-31 2002-10-31 Dispositivo di convogliamento di fumi e/o vapori per cappe da cucina

Publications (3)

Publication Number Publication Date
EP1418386A2 EP1418386A2 (de) 2004-05-12
EP1418386A3 EP1418386A3 (de) 2005-01-12
EP1418386B1 true EP1418386B1 (de) 2006-09-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03022385A Expired - Lifetime EP1418386B1 (de) 2002-10-31 2003-10-06 Rauch und/oder Dampfabzugseinrichtung für Küchenabzugshauben

Country Status (4)

Country Link
EP (1) EP1418386B1 (de)
AT (1) ATE339656T1 (de)
DE (1) DE60308290D1 (de)
IT (1) ITMI20022319A1 (de)

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Publication number Priority date Publication date Assignee Title
DE102005002148A1 (de) * 2005-01-17 2006-07-20 BSH Bosch und Siemens Hausgeräte GmbH Küchendunstabzugsvorrichtung
US10041687B1 (en) * 2005-05-17 2018-08-07 Mary Ann Caneba Vent extender method having intake air option for conveying ventilation to close proximity of a fume and odor source
ITMC20050132A1 (it) * 2005-12-13 2007-06-14 Sirius S P A Cappa aspirante per cucine dotata di un gruppo aspirante-filtrante di tipo retrattile.
BE1019443A3 (nl) * 2010-08-05 2012-07-03 Maes Inox Bvba In hoogte verstelbaar afzuigkapsysteem.
DE102010063846A1 (de) * 2010-12-22 2012-06-28 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugshaube
ES2700135T3 (es) * 2013-11-18 2019-02-14 Unito Smart Tech Limited Dispositivo de campana de cocina
CN104501273B (zh) * 2015-01-10 2017-02-08 宁波市万茂电器有限公司 一种可拉伸吸油烟机
CN104501272A (zh) * 2015-01-10 2015-04-08 杨茹芹 一种新型可拉伸吸油烟机
CN104501271A (zh) * 2015-01-10 2015-04-08 杨茹芹 一种嵌入式可拉伸吸油烟机
CN107504539A (zh) * 2017-10-11 2017-12-22 成都市弘盛科技有限公司 吸烟风口能够下降的高效油烟处理装置
CN110220229B (zh) * 2018-03-02 2024-07-02 青岛海尔智慧厨房电器有限公司 一种油烟机进风管道及油烟机
CN110094778B (zh) * 2019-05-05 2020-10-23 石连娥 一种油烟机
CN110230832B (zh) * 2019-06-27 2020-06-30 艾祎璠 一种可伸缩式负压抽油烟机
BR102020001857A2 (pt) * 2020-01-28 2021-08-03 Ivan Carta Equipamento de coifa ajustável a uma região do fogão
CN113944945A (zh) * 2021-10-28 2022-01-18 浙江杰森厨具股份有限公司 一种油污分离功能集成灶

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FR2221914A5 (en) * 1973-02-22 1974-10-11 Faivre Robert Vertically movable gas collector hood - has telescopic mechanism for easy working esp. for use in kitchens
US4612909A (en) * 1985-02-22 1986-09-23 Lee Chi Min Room exhaust duct
US4858591A (en) * 1988-09-12 1989-08-22 Fu Chuen Fong Kitchen smoke exhaust device
DE3920558A1 (de) * 1989-06-23 1991-01-10 Bauknecht Hausgeraete Entlueftungsgeraet fuer einen kuechenherd
EP0521810A3 (en) * 1991-06-11 1993-04-07 Antonio Saez Utiel A mobile extractor hood with a concertina type collector pipe
FR2692823B1 (fr) * 1992-06-26 1995-05-19 Dietrich Europ Electromenager Hotte à tube d'aspiration extensible à bouche filtrante d'extrémité.
SE506381C2 (sv) * 1996-03-18 1997-12-08 Jenny Larsson Utsugsanordning, speciellt för kökspis, försedd med en kåpa vars omkrets är variabel

Also Published As

Publication number Publication date
ITMI20022319A1 (it) 2004-05-01
ATE339656T1 (de) 2006-10-15
EP1418386A2 (de) 2004-05-12
DE60308290D1 (de) 2006-10-26
EP1418386A3 (de) 2005-01-12

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