EP3631077B1 - Iron - Google Patents

Iron Download PDF

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Publication number
EP3631077B1
EP3631077B1 EP18732924.8A EP18732924A EP3631077B1 EP 3631077 B1 EP3631077 B1 EP 3631077B1 EP 18732924 A EP18732924 A EP 18732924A EP 3631077 B1 EP3631077 B1 EP 3631077B1
Authority
EP
European Patent Office
Prior art keywords
tubular body
iron
limescale
chamber
plate
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.)
Active
Application number
EP18732924.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3631077A1 (en
Inventor
Giuseppe De' Longhi
Giorgio Di Piazza
Alessandro MANERA
Luciano Scian
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.)
De Longhi Appliances SRL
Original Assignee
De Longhi Appliances SRL
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 De Longhi Appliances SRL filed Critical De Longhi Appliances SRL
Publication of EP3631077A1 publication Critical patent/EP3631077A1/en
Application granted granted Critical
Publication of EP3631077B1 publication Critical patent/EP3631077B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron

Definitions

  • the present invention concerns an iron, both for professional and domestic use, provided with an anti-limescale device able to accumulate and remove the limescale from inside the iron.
  • Irons are known, provided with a boiler to generate steam which can be integrated in the iron, or can be separated and connected to it with a connection bead.
  • Some known irons provide that the steam needed for ironing is generated by supplying water from a tank to the plate, which being heated transforms the water which comes into contact with it into steam.
  • the contact zone between the water and the heated plate is also called "dripping area”.
  • Irons like the one disclosed in US 2016/258109A1 , are also known with a removable collector located in the rear part of the iron, or on the support base of the iron.
  • the present invention therefore intends to provide an iron provided with an anti-limescale device which allows to accumulate the deposit of limescale in defined zones, so as to be able to remove it.
  • the present invention also intends to provide an iron provided with an anti-limescale device which allows to remove the limescale that has accumulated simply and quickly.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • the present invention concerns an iron comprising a tank, a base provided with a plate and a containing body associated with the plate, said base defining a chamber for the generation of steam connecting the tank to the plate and in which, during use, the water coming from the tank contacts a heated surface of the chamber in a contact zone in order to generate steam.
  • the iron is provided with a removable anti-limescale device comprising a tubular body located in the chamber and defining a passage channel for the steam toward the plate, said tubular body comprising at least a passage hole for the water located on the contact zone, or in correspondence with the contact zone.
  • this solution conditions the path of the steam, which passes inside the tubular body in order to arrive at the plate.
  • the limescale is deposited mainly in the contact zone where the transformation from water to steam occurs and partly inside the tubular body.
  • the tubular body can comprise at least a protruding portion facing toward the heated surface and configured to mechanically remove the limescale that has deposited in the contact zone while the tubular body is removed from the chamber.
  • the protruding portion can be disposed along at least part of the perimeter of the passage hole.
  • the tubular body is located in the chamber for a length comprised between 20% and 75% of the length of the plate.
  • the tubular body can be provided with a plurality of holes disposed along at least part of the longitudinal extension of the tubular body and through which the steam passes, during use.
  • the tubular body can be inclined with respect to the lying plane of the plate by an acute angle.
  • the tubular body can comprise one or more retaining portions located in the lower part of the passage channel and able to retain the limescale in the passage channel.
  • the chamber can comprise a housing seating mating with the shape of the tubular body and configured to house the latter in a predefined position.
  • the anti-limescale device can comprise one or more accumulation elements configured to accumulate and retain the limescale and, at the same time, let the steam pass.
  • the anti-limescale device can comprise a stopper connected to the tubular body and configured to hermetically close the chamber and to extract the tubular body to the outside of the chamber, acting from outside the chamber, that is, acting from outside the iron.
  • the stopper can be made of a heat-insulating material.
  • Embodiments described here, with reference to the drawings, concern an iron 10 that comprises at least one tank 11, a base 12 provided with a plate 13 and a containing body 14 associated with the plate 13.
  • the tank 11 is fed on each occasion with the necessary water to generate the steam for ironing.
  • the tank 11 can be integrated in the iron 10, or in the containing body 14, or it can be separated from it and connected by a connection bead.
  • the plate 13 can be attached to the base 12, or integrated therein, and can possibly be provided with steam outlet holes 15.
  • the containing body 14 can enclose at least some of the elements that make up the iron 10 and can be provided with a gripping portion 16 for the user.
  • the base 12 can comprise two or more parts which can be attached to each other to form a single body, or can consist of a single body.
  • FIG. 1 the drawings show a base 12 comprising two elements which can be attached to each other: an upper shell 17 and a lower shell 18.
  • the base 12 defines a chamber 19 to generate steam which connects the tank 11 to the plate 13.
  • connection we mean that there is a fluidic connection between the tank 11 and the plate 13 thanks to which the steam generated by the water coming from the tank 11 reaches the plate 13 and can be used for ironing.
  • connection hole 35 through which the water coming from the tank 11 passes.
  • the heated surface 20 can be heated by means of heating devices, for example electric or other type.
  • the heating devices are configured to take the heated surface 20 to a temperature sufficient to vaporize the water when it is in contact with the contact zone 21.
  • the iron 10 is provided with a removable anti-limescale device 22 comprising a tubular body 23 located in the chamber 19.
  • the tubular body 23 of the anti-limescale device 22 defines a passage channel 24 for the steam toward the plate 13, through which the steam passes to reach the plate 13.
  • the tubular body 23 comprises at least one passage hole 25 for the water located on the contact zone 21, or in correspondence with the contact zone 21.
  • the tubular body 23 can have a polygonal or circular cross-section, or other shape with possibly beveled edges.
  • the passage hole 25 can be substantially parallel to the heated surface 20 in correspondence with the contact zone 21 where the water generates steam.
  • the tubular body 23 can have the passage hole 25 in correspondence with one of its ends.
  • the tubular body 23 can comprise two passage holes 25 located on opposite walls and aligned along an axis orthogonal to the longitudinal extension of the tubular body 23.
  • At least one passage hole 25 can be through, perpendicularly to the longitudinal extension of the tubular body 23.
  • the passage hole 25 can cooperate with a shaped portion 27 of the tubular body 23 so that there is only one hole.
  • This configuration allows to condition the limescale to form almost exclusively on the contact zone 21 inside the space defined by the passage hole 25.
  • the limescale does not damage or hinder the functioning of other parts of the iron 10 and, therefore, by removing the limescale from the contact zone 21 it is possible to restore the correct functioning of the iron 10 itself.
  • any limescale possibly present inside the passage channel 24 can easily be removed by extracting the tubular body 23 from the chamber 19 and cleaning the limescale from it, outside the iron 10.
  • the tubular body 23 can comprise at least a protruding portion 26 facing toward the heated surface 20 and configured to mechanically remove the limescale that has deposited in the contact zone 21 while the tubular body 23 is removed from the chamber 19.
  • the protruding portion 26 faces toward the outside of the tubular body 23.
  • the present invention therefore substantially allows to remove all the limescale which is formed in the iron 10.
  • the protruding portion 26 can be disposed along at least part of the perimeter of the passage hole 25.
  • the protruding portions 26 can be provided beyond the passage hole 25, or in proximity, or in correspondence with the end of the tubular body 23.
  • the tubular body 23 can be located in the chamber for a length comprised between 20% and 75% of the length of the plate 13.
  • the tubular body 23 can be located in the chamber for a length comprised between 40% and 70% of the length of the plate 13.
  • This aspect has the advantage that it is possible to make an iron 10 in which the limescale which is generated in a contact zone 21, substantially positioned in a central zone of the plate 13 or in any case distant from the rear support base of the iron 10, can be removed.
  • the tubular body 23 can be provided with a plurality of holes 28 disposed along at least part of the longitudinal extension of the tubular body 23 itself and through which, during use, the steam passes.
  • the holes 28 allow the steam generated in the contact zone 21 and passing through the passage channel 24 to reach the plate 13.
  • the lower shell 18 can comprise one or more through apertures 36 for the steam.
  • the steam exiting from the holes 28 can pass through at least one through aperture 36 of the lower shell 18 to reach the plate 13.
  • the plurality of holes 28 are disposed along two opposite lateral walls of the tubular body 23.
  • the holes 28 are disposed in the central and/or upper part with respect to the central axis of the tubular body 23.
  • the tubular body 23 can be inclined with respect to the lying plane of the plate 13.
  • the tubular body 23 can be inclined with respect to the lying plane of the plate 13 by an acute angle.
  • the tubular body 23 can be inclined with respect to the lying plane of the plate 13 by an angle of inclination comprised between 10° and 40°.
  • the tubular body 23 can comprise one or more retaining portions 29 located in the lower part of the passage channel 24 and able to retain the limescale in the passage channel 24.
  • the retaining portions 29 promote the accumulation of limescale inside the passage channel 24 and at the same time prevent them from collecting in the contact zone 21.
  • the retaining portions 29 protrude toward the inside of the tubular body 23.
  • the chamber 19 can comprise a housing seating 30 mating with the shape of the tubular body 23 and configured to house the latter in a predefined position.
  • the housing seating 30 can define a space having a volume similar to that of the tubular body 23, but slightly larger so that the tubular body 23 can be inserted in it, holding it in a defined position.
  • This aspect allows to position the tubular body 23 in a stable and univocal manner, so as to orient the latter so as to have the protruding portion 26 oriented toward the heated surface 20.
  • the anti-limescale device 22 can comprise one or more accumulation elements 31 configured to accumulate and retain the limescale and at the same time allow the steam to pass.
  • the accumulation elements 31 can comprise pads, reticular elements, or elements made of materials configured to promote the accumulation and growth of limescale on them.
  • the accumulation elements 31 can be disposed inside the tubular body 23.
  • the anti-limescale device 22 can comprise a stopper 32 connected to the tubular body 23 configured to hermetically close the chamber 19 and to extract the tubular body 23 outside the chamber 19, acting from the outside of the chamber 19, that is, from outside the iron 10.
  • the stopper 32 can be associated with one or more gaskets 33 able to guarantee the hermetic seal of the chamber 19.
  • connection body 34 can be provided to connect the anti-limescale device 22 to the containing body 14.
  • connection body 34 can be configured to provide at least a reference support portion to the stopper 32, so as to position and connect the anti-limescale device 22 correctly.
  • the stopper 32 can be made of a heat insulating material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
EP18732924.8A 2017-05-26 2018-05-25 Iron Active EP3631077B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102017000057760A IT201700057760A1 (it) 2017-05-26 2017-05-26 Ferro da stiro
PCT/IT2018/050094 WO2018216046A1 (en) 2017-05-26 2018-05-25 Iron

Publications (2)

Publication Number Publication Date
EP3631077A1 EP3631077A1 (en) 2020-04-08
EP3631077B1 true EP3631077B1 (en) 2021-03-24

Family

ID=60020495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18732924.8A Active EP3631077B1 (en) 2017-05-26 2018-05-25 Iron

Country Status (5)

Country Link
EP (1) EP3631077B1 (zh)
CN (1) CN110832135B (zh)
IT (1) IT201700057760A1 (zh)
RU (1) RU2758905C2 (zh)
WO (1) WO2018216046A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3097883B1 (fr) * 2019-06-28 2021-05-28 Seb Sa Fer à repasser comportant un dispositif de rétention des particules de tartre transportées par la vapeur.
IT201900015521A1 (it) * 2019-09-03 2021-03-03 De Longhi Appliances Srl Piastra per apparati di stiratura a vapore e relativo metodo di produzione
IT202100009680A1 (it) 2021-04-16 2022-10-16 De Longhi Appliances Srl Ferro da stiro
IT202100009674A1 (it) 2021-04-16 2022-10-16 De Longhi Appliances Srl Ferro da stiro

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT66021B (de) * 1976-02-05 1978-06-19 Rowenta Werke Gmbh Tropfventil fur dampfbugelautomaten
ES2391679B1 (es) * 2010-11-12 2013-11-22 Bsh Electrodomésticos España, S.A. Aparato doméstico, en especial, plancha a vapor.
FR2981372B1 (fr) * 2011-10-18 2013-11-01 Seb Sa Fer a repasser comportant une chambre de vaporisation reliee a une cavite de recuperation du tartre comprenant un orifice de detartrage
DE202014011499U1 (de) * 2013-07-25 2021-06-16 Koninklijke Philips N.V. Einrichtung zum Erzeugen von Dampf
FR3033338B1 (fr) * 2015-03-03 2017-02-24 Seb Sa Appareil electromenager de repassage comportant un filtre destine a retenir des particules de tartre transportees par la vapeur
CN105970588B (zh) * 2016-06-27 2018-01-30 宁波凯波集团有限公司 便于清理水垢的蒸汽电熨斗
CN206189164U (zh) * 2016-09-01 2017-05-24 皇家飞利浦有限公司 熨斗及熨斗的背盖

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
RU2019141948A (ru) 2021-06-28
CN110832135B (zh) 2022-05-31
IT201700057760A1 (it) 2018-11-26
RU2019141948A3 (zh) 2021-06-28
CN110832135A (zh) 2020-02-21
EP3631077A1 (en) 2020-04-08
WO2018216046A1 (en) 2018-11-29
RU2758905C2 (ru) 2021-11-02

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