EP3246459A1 - Dampfbügeleisen mit heizkörper, der eine dampfkammer und eine bügelfläche umfasst, die in wärmeverbindung mit dem heizkörper steht - Google Patents

Dampfbügeleisen mit heizkörper, der eine dampfkammer und eine bügelfläche umfasst, die in wärmeverbindung mit dem heizkörper steht Download PDF

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Publication number
EP3246459A1
EP3246459A1 EP16170011.7A EP16170011A EP3246459A1 EP 3246459 A1 EP3246459 A1 EP 3246459A1 EP 16170011 A EP16170011 A EP 16170011A EP 3246459 A1 EP3246459 A1 EP 3246459A1
Authority
EP
European Patent Office
Prior art keywords
heating body
plate
contact
iron according
iron
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
EP16170011.7A
Other languages
English (en)
French (fr)
Other versions
EP3246459B1 (de
Inventor
Andrea Lukas
Björn SCHEVE
Dierk Spatz
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.)
Rowenta Werke GmbH
Original Assignee
Rowenta Werke GmbH
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 Rowenta Werke GmbH filed Critical Rowenta Werke GmbH
Priority to EP16170011.7A priority Critical patent/EP3246459B1/de
Priority to ES16170011T priority patent/ES2927039T3/es
Priority to CN201710320473.3A priority patent/CN107385846B/zh
Priority to US15/596,662 priority patent/US10358764B2/en
Publication of EP3246459A1 publication Critical patent/EP3246459A1/de
Application granted granted Critical
Publication of EP3246459B1 publication Critical patent/EP3246459B1/de
Active legal-status Critical Current
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
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
    • 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
    • D06F75/18—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 the water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator
    • 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
    • D06F75/20—Arrangements for discharging the 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
    • D06F75/38—Sole plates

Definitions

  • the present invention relates to a steam iron comprising a heating body comprising a vaporization chamber and an ironing surface in thermal relation with the heating body, the ironing surface being intended to come into contact with the clothes to be ironed and being advantageously provided with steam outlet holes, and more particularly relates to an iron in which the heat produced by the heating body is transmitted to the ironing surface by conduction through at least two elements of the iron reported against each other when assembling the iron.
  • a steam iron comprising a sole comprising a heating body comprising a vaporization chamber for the production of steam and an ironing surface in thermal relation with the heating body, the ironing surface being intended to come into contact with the clothes to be ironed and having steam outlet holes.
  • the ironing surface is carried by a cap which is attached to the heating body, the heat produced by the heating body being transmitted to the ironing surface by conduction through the heating body and then through a cap, the latter being in contact with the heating body at contact zones consisting of distribution channel walls and heat transfer pads.
  • Such an iron construction makes it possible to limit the heat flow that is established towards the ironing surface in order to have a temperature of the heating body in the vicinity of the vaporization chamber which is sufficient to ensure the vaporization of the water even when the ironing surface is at a minimum temperature allowing the ironing of delicate fabrics.
  • an object of the present invention is to provide a steam iron that overcomes these disadvantages and has a structure that is simple and economical to achieve.
  • the subject of the invention is a steam iron comprising a heating body comprising a vaporization chamber and an ironing surface in thermal relation with the heating body, the ironing surface being intended to come into contact with the ironing and being advantageously provided with steam outlet holes, the heat produced by the heating body being transmitted to the ironing surface by conduction through at least two elements of the iron reported against each other , characterized in that the two elements are in direct contact with one another at at least one contact point having a contact area of less than 2 mm 2 and preferably less than 1 mm 2 .
  • two elements of the iron reported against each other is meant two components of the iron that have been manufactured independently of one another and then reported against each other during assembly iron.
  • Such a characteristic makes it possible to locally establish a point of contact diffusing little energy by thermal conduction while ensuring a mechanical connection between the two elements.
  • the two elements are in direct contact with one another at a plurality of contact points, all the contact points having a contact area of less than 2 mm 2 and preferably less than at 1 mm 2 .
  • Such a characteristic makes it possible to distribute the thermal diffusion by conduction between the two elements at several points of contact with low thermal diffusivity for a more homogeneous distribution of the heat and a better mechanical resistance between the two elements.
  • the iron comprises at least 3 points of contact and preferably between 10 and 30 points of contact between the two elements.
  • the contact points are located at the end of protuberances projecting on a surface of at least one of the elements.
  • the protuberances are obtained by a stamping process.
  • the protrusion or projections protrude over a height greater than 0.3 mm and advantageously between 0.4 mm and 0.8 mm.
  • Such a height makes it possible to provide a space having a height between the two elements which makes it possible to limit the thermal diffusion by radiation.
  • a steam distribution chamber is formed between the two elements.
  • Such a feature allows to take advantage of the space between the two elements to circulate the steam and distribute it over the entire surface of the elements.
  • a seal is arranged between the two elements at the periphery of the distribution chamber.
  • the soleplate comprises a plate which is attached to the heating body, said contact point or points being located at the interface between the heating body and the plate.
  • the heating body and the plate are the two elements of the iron which are reported against each other and have contact points of small area.
  • the contact points are distributed along the periphery of the ironing surface.
  • the plate is made of aluminum.
  • the iron comprises a cap, preferably stainless steel, which is attached to the plate, the ironing surface being supported by the cap.
  • Such a characteristic makes it possible to combine both a good temperature homogeneity at the level of the ironing surface thanks to the good thermal diffusion taking place through the aluminum plate and a good scratch resistance of the ironing surface when the cap is made of a scratch-resistant material such as stainless steel.
  • the plate is fixed on the heating body by means of screws, the cap being fixed on the plate by flap of the edges of the cap on the edges of the plate.
  • the heating body is a foundry containing an electrical resistance.
  • the electrical resistance is the only heating element of the iron.
  • the figure 1 represents an iron having a plastic housing 1 having a handle and a heel on which the iron can stand vertically.
  • the housing 1 encloses, in a manner known per se, a tank provided with a filling orifice 10 and comprises a cord 11 for the electric power supply of the iron using a 220V domestic network.
  • the iron has a sole 2 comprising a heating body 3 of cast aluminum including a tubular electrical resistance of up to 2300 W power which is the only heating element of the iron.
  • the supply of this electrical resistance 30 is regulated by means of a thermostat, not shown in the figures, being fixed on a housing 31 formed on an upper face of the heating body 3, the thermostat being advantageously adjusted around a temperature setpoint of 165 ° C not modifiable by the user.
  • the upper face of the heating body 3 comprises protruding walls which define a vaporization chamber 32 supplied with water from the reservoir by a pump or a drip-shaped plug, not shown in the figures, and channels 33 for dispensing water. vapor extending along the periphery of the vaporization chamber 32, these channels 33 meeting at the front end of the heating body 3.
  • the channels 33 comprise passages 33A passing through the heating body 3 and opening into a cavity formed on the lower face of the heating body 3 forming a steam distribution chamber 34.
  • the sole 2 comprises, under the heating body 3, an intermediate plate 4, advantageously aluminum, whose upper face comes into contact with the heating body 3 and defines a delimiting wall of the steam distribution chamber 34.
  • the sole 2 also comprises a metal cap 5, advantageously made of stainless steel, which is attached against the underside of the plate 4, the metal cap coming into direct contact with the plate 4 and being advantageously fixed on the latter by folding the edge. peripheral of the cap 5 around the peripheral edge of the plate 4.
  • the cap 5 comprises, in a manner known per se, a flat bottom surface which defines an ironing surface 52 intended to come into contact with the laundry to be ironed.
  • This ironing surface 52 is advantageously provided with more than two hundred steam outlet holes 50 having a passage section of less than 4 mm 2 , as described in more detail in the patent application.
  • the steam outlet holes 50 are advantageously distributed according to a first and a second network of steam outlet holes 50 separated from each other by a median zone 51 devoid of steam outlet holes.
  • the plate 4 has a plurality of embossed bosses 40 whose upper ends form contact points 40A between the plate 4 and the heating body 3, the heating element 3 comprising, facing each of these bosses, a stop 35 provided with a flat surface against which the boss 40 bears when the plate 4 is assembled against the heating body 3.
  • bosses 40 are preferably made by a stamping process of the plate 4 and have a substantially spherical top surface.
  • Each boss 40 advantageously projects over a height of the order of 0.6 mm with respect to the upper surface of the plate 4.
  • a silicone gasket 6, illustrated in FIGS. figures 5 and 7 is interposed between the plate 4 and the heating body 3 all around the dispensing chamber 34 to ensure the vapor tightness, the silicone seal 6 also having a thickness of 0.6 mm.
  • each boss 40 forms a contact point 40A which has a contact area less than 2 mm 2 and preferably less than 1 mm 2 .
  • the plate 4 has a thickness of the order of 2 mm and comprises seventeen projections 40 distributed on the periphery of the plate 4, the bosses 40 having a contact surface with the stops 35 constituted by a circular surface with a diameter of the order of 1 mm.
  • the contact surfaces of the bosses 40 are the only areas where the plate 4 is directly in contact with the heating body 3 so that the heat transfer by conduction between the heating body 3 and the plate 4 is carried out only by these bosses 40.
  • the plate 4 is fixed against the heating body 3 by three screws 7, visible on the figure 5 , one of the screws 7 being disposed near a front tip of the sole 2 and the other two screws being arranged symmetrically at the edge of the plate 4 in the rear part of the sole 2.
  • the plate 4 is not in direct contact with the heating body 3 at the level of the screws 7 in order to limit the heat transfer by conduction in this zone.
  • the heating body 3 also comprises ribs 36, 37 which project into the steam distribution chamber 34, these ribs 36, 37 being situated in a median zone of the sole 2 and facing a central zone 41 of the plate 4 has no opening.
  • the height of these ribs 36, 37 is adapted so that they do not come into direct contact with the plate 4 when the plate 4 is assembled on the heating body 3 with the bosses 40 bearing against the stops 35, a silicone seal , not shown in the figures, filling the resulting space between the ribs 36, 37 and the plate 4 to provide a mechanical connection between the plate 4 of the heating body 3, in addition to the fixing screws.
  • the ribs 36, 37 are constituted by a first rib 36 having a generally U-shaped shape and a second rib 37 having a generally V-shaped shape, each of these ribs 36, 37 having a groove forming a cavity in which the silicone seal is injected, this seal covering the ribs 36, 37 to a height of 0.5 mm to come into contact with the plate 4 and contribute to the fixing of the latter.
  • the plate 4 comprises, on either side of the central zone 41, openings 42, 43 for diffusing the steam from the distribution chamber 34 to the cap 5, the cap 5 comprising opposite each opening 42, 43 at least one steam outlet hole 50.
  • most of the openings 42 of the plate 4 have a diameter substantially corresponding to the diameter of the steam outlet hole 50 of the facing cap 5 so that the plate 4 is in direct contact. of the cap 5 in the vicinity of the steam outlet holes 50 and can transmit the heat by conduction in this area.
  • the plate 4 may, however, have a larger surface to locally limit the heat transfer by conduction.
  • the plate 4 has three larger apertures 43 located respectively close to the front tip, in the central zone of the sole 2 and close to the rear part of the plate 4, each of these openings feeding several steam outlet holes of the cap 5.
  • the iron thus produced has the advantage of having a cap 5 provided with an ironing surface which has a relatively homogeneous temperature of the order of 140 ° C when the vaporization chamber 32 is at a temperature of the order 165 ° C to produce a stream of steam continuously of the order of 35 g / min.
  • the heat transfer by conduction between the heating body 3 and the plate 4 is limited to the only contact points 40A located at the end of the bosses 40, the latter having a very high surface area. reduced, the remainder of the heat transfer being effected by radiation through the distribution chamber 34.
  • the large number of contact points 40A and their small contact surface provides excellent control of the heat flow established by conduction between the body 3 and the plate 4.
  • the large number of contact points 40A also makes it possible to obtain a good control of the distance separating the bottom of the cavity forming the distribution chamber 34 and the plate 4, which makes it possible to have excellent control of the heat flux being established by radiation between the heating body 3 and the plate 4.
  • contact points 40A carried by bosses 40 made by stamping on the plate 4, have the advantage of being very economical to achieve. They also have the advantage of being very compact, to obtain a very compact sole construction 2.
  • the raised bosses may be made by molding, the latter can be made on the heating body rather than the plate.
  • the aluminum plate / stainless steel cap assembly may be replaced by a single aluminum plate whose lower face directly constitutes the ironing surface.
  • the iron may include a heating element whose power is limited to 1600W when the voltage of the domestic electrical network is of the order of 120V.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
EP16170011.7A 2016-05-17 2016-05-17 Dampfbügeleisen mit heizkörper, der eine dampfkammer und eine bügelfläche umfasst, die in wärmeverbindung mit dem heizkörper steht Active EP3246459B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16170011.7A EP3246459B1 (de) 2016-05-17 2016-05-17 Dampfbügeleisen mit heizkörper, der eine dampfkammer und eine bügelfläche umfasst, die in wärmeverbindung mit dem heizkörper steht
ES16170011T ES2927039T3 (es) 2016-05-17 2016-05-17 Plancha de vapor que comprende un cuerpo calefactor provisto de una cámara de vaporización y una superficie de planchado en relación térmica con el cuerpo calefactor
CN201710320473.3A CN107385846B (zh) 2016-05-17 2017-05-09 包括配备有蒸发室的加热体以及与加热体热连接的熨烫表面的蒸汽式熨斗
US15/596,662 US10358764B2 (en) 2016-05-17 2017-05-16 Steam iron comprising a heating body provided with a steam chamber and an ironing surface thermally connected to the heating body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16170011.7A EP3246459B1 (de) 2016-05-17 2016-05-17 Dampfbügeleisen mit heizkörper, der eine dampfkammer und eine bügelfläche umfasst, die in wärmeverbindung mit dem heizkörper steht

Publications (2)

Publication Number Publication Date
EP3246459A1 true EP3246459A1 (de) 2017-11-22
EP3246459B1 EP3246459B1 (de) 2022-09-14

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EP16170011.7A Active EP3246459B1 (de) 2016-05-17 2016-05-17 Dampfbügeleisen mit heizkörper, der eine dampfkammer und eine bügelfläche umfasst, die in wärmeverbindung mit dem heizkörper steht

Country Status (4)

Country Link
US (1) US10358764B2 (de)
EP (1) EP3246459B1 (de)
CN (1) CN107385846B (de)
ES (1) ES2927039T3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD930925S1 (en) 2020-03-04 2021-09-14 Conair Corporation Garment steamer
US11261561B2 (en) 2020-03-04 2022-03-01 Conair Llc Garment steaming device
US11306429B2 (en) 2020-03-04 2022-04-19 Conair Llc Garment steaming device
US11505893B2 (en) 2020-03-04 2022-11-22 Conair Llc Garment steaming device
US11629453B2 (en) 2020-03-04 2023-04-18 Conair Llc Garment steaming device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106718B (zh) * 2021-05-25 2022-07-12 宁波凯波集团有限公司 蒸汽熨烫底板组件及蒸汽熨烫设备
CN113106719B (zh) * 2021-05-25 2022-07-12 宁波凯波集团有限公司 蒸汽熨烫底板组件及蒸汽熨烫设备

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FR1424320A (fr) * 1964-02-11 1966-01-07 Philips Nv Appareil chauffé électriquement, en particulier fer à repasser
WO1989008372A1 (fr) * 1988-03-02 1989-09-08 Seb S.A. Composant chauffant plat a element chauffant electriquement resistant et son procede de fabrication
EP0380896A1 (de) * 1989-01-04 1990-08-08 Seb S.A. Bügeleisensohle, hergestellt aus aneinander hartgelöteten Metallblechen
FR2798403A1 (fr) 1999-09-09 2001-03-16 Seb Sa Fer a vapeur tous tissus a un seul element chauffant
EP1772551A1 (de) 2005-10-06 2007-04-11 ROWENTA-WERKE GmbH Bügeleisen mit einer Sohle, die eine besondere Anordnung an Dampfaustrittslöchern aufweist

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US3721026A (en) * 1971-08-02 1973-03-20 Nat Appliance Ind Inc Apparatus for dry cleaning and pressing
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FR2606043B1 (fr) * 1986-10-31 1988-12-30 Seb Sa Fer a repasser a vapeur
FR2711996B1 (fr) * 1993-11-03 1995-12-15 Seb Sa Fer à repasser électrique comportant une semelle de repassage à faible inertie thermique.
BRPI0708137B1 (pt) * 2006-02-23 2018-01-16 Koninklijke Philips N. V. Ironing shoe, ironing system for garment care, and method for making a ironing shoe
US7610701B2 (en) * 2007-02-12 2009-11-03 Applica Consumer Products, Inc. Iron with actively cooled soleplate
CN202116906U (zh) * 2011-04-29 2012-01-18 深圳市强博金机电有限公司 一种节能环保的挂烫机熨头
JP6010234B2 (ja) * 2013-01-02 2016-10-19 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 衣類用スチーム装置
CN203174395U (zh) * 2013-03-18 2013-09-04 浙江月立电器有限公司 一种蒸汽电熨斗
CN104120598A (zh) * 2014-08-07 2014-10-29 广东新宝电器股份有限公司 蒸汽电烫斗

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1424320A (fr) * 1964-02-11 1966-01-07 Philips Nv Appareil chauffé électriquement, en particulier fer à repasser
WO1989008372A1 (fr) * 1988-03-02 1989-09-08 Seb S.A. Composant chauffant plat a element chauffant electriquement resistant et son procede de fabrication
EP0380896A1 (de) * 1989-01-04 1990-08-08 Seb S.A. Bügeleisensohle, hergestellt aus aneinander hartgelöteten Metallblechen
FR2798403A1 (fr) 1999-09-09 2001-03-16 Seb Sa Fer a vapeur tous tissus a un seul element chauffant
EP1772551A1 (de) 2005-10-06 2007-04-11 ROWENTA-WERKE GmbH Bügeleisen mit einer Sohle, die eine besondere Anordnung an Dampfaustrittslöchern aufweist

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD930925S1 (en) 2020-03-04 2021-09-14 Conair Corporation Garment steamer
US11261561B2 (en) 2020-03-04 2022-03-01 Conair Llc Garment steaming device
US11306429B2 (en) 2020-03-04 2022-04-19 Conair Llc Garment steaming device
US11505893B2 (en) 2020-03-04 2022-11-22 Conair Llc Garment steaming device
US11629453B2 (en) 2020-03-04 2023-04-18 Conair Llc Garment steaming device

Also Published As

Publication number Publication date
US10358764B2 (en) 2019-07-23
ES2927039T3 (es) 2022-11-02
CN107385846A (zh) 2017-11-24
EP3246459B1 (de) 2022-09-14
US20170335506A1 (en) 2017-11-23
CN107385846B (zh) 2021-12-28

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