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WO1988003579A1 - Appareil de repassage - Google Patents

Appareil de repassage Download PDF

Info

Publication number
WO1988003579A1
WO1988003579A1 PCT/GB1987/000029 GB8700029W WO8803579A1 WO 1988003579 A1 WO1988003579 A1 WO 1988003579A1 GB 8700029 W GB8700029 W GB 8700029W WO 8803579 A1 WO8803579 A1 WO 8803579A1
Authority
WO
WIPO (PCT)
Prior art keywords
station
sole plate
iron
screen
heat
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.)
Ceased
Application number
PCT/GB1987/000029
Other languages
English (en)
Inventor
Geoffrey Duff
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.)
Beldray Ltd
Original Assignee
Beldray Ltd
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 Beldray Ltd filed Critical Beldray Ltd
Publication of WO1988003579A1 publication Critical patent/WO1988003579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • D06F79/00—Accessories for hand irons
    • D06F79/04—Stoves or other heating means specially adapted for heating irons externally
    • 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
    • D06F81/00—Ironing boards 
    • D06F81/08—Ironing boards  incorporating heating, steaming, or forced ventilation means

Definitions

  • This invention relates to apparatus, particularly but not exclusively for domestic use, for ironing clothes or other fabrics and materials and more specifically to heating means for irons.
  • the trailing cord is also a hazard in that if it is caught e.g. by -someone tripping over it or a child pulling the cord the hot iron may be pulled off the board or other surface to cause injury or possibly burns and/or to cause a fire hazard if it has been switched on and left -unattended.
  • Cordless electric irons have also been proposed in which provision for energy storage within the structure o the iron or the sole plate itself is provided either in the form of rechargeable electric batteries or in the form of having a large volume of metal in the sole plate to act in the manner of a storage heater in conjunction with heating elements in the iron which are connected to the power supply only when it is moved to the rest position.
  • the object of the invention is to provide ironing apparatus and/or heating means for irons which is particularly convenient and reliable in use, particularly safe in operation, and which is economical to provide, conveniently in combination with a portable ironing board.
  • ironing apparatus comprising a hand held iron having sole plate structure which is applied when heated to material to be ironed in use and a station where the iron can be rested for reheating during ironing at times when it is not being so applied; characterised in that structure of said station includes energy transfer means comprising one or more substantially instantaneously acting energy emitters operable to radiate an energy field or fields which coact with said sole plate structure to cause heating thereof when at the station without causing any substantial heating of the structure of the station in use, means for automatically sensing the presence of the iron in or at the station and activating the energy transfer means in response thereto, and means for sensing the temperature of the sole plate and regulating the energy transfer means to heat the plate to a preselected temperature while at the station.
  • energy transfer means comprising one or more substantially instantaneously acting energy emitters operable to radiate an energy field or fields which coact with said sole plate structure to cause heating thereof when at the station without causing any substantial heating of the structure of the station in use, means for automatically sensing the presence of the iron
  • the energy transfer means comprises radiant heat emitters.
  • the radiant heat emitters are screened by material having high permeability to infra-red radiation to permit effective passage of radiant heat to the sole plate but which does not itself become substantially heated.
  • the heat emitters are one or more tungsten-halogen lamps, for example as supplied by Thor ⁇ -Efll and used in electric cooking hobs, which have substantially no thermal inertia so that they heat almost instantaneously when switched on and cool almost instantaneously when switched off.
  • the screening material may be glass sheet, for example as supplied by Corning Glass, or sheet plastics material for example as supplied by General Electric Plastics, both said materials being substantially transparent to radiation at infra-red and adjacent wavelengths.
  • the energy transfer means comprises electrically powered induction means for generating an alternating magnetic field which will cause heating of an electrically conductive body of the sole plate structure while the iron is in or at the station.
  • said induction heating means will include one or more induction coils which may be disposed in surrounding relationship to the iron sole plate with the latter positioned at the station or may be positioned in co-acting relationship thereto, e.g. a "pancake" shaped coil in parallel relationship to the underface of the sole plate.
  • a dielectric separator may be provided between the coil and sole plate.
  • the iron may be a "dry" iron or it may include provision for steaming and/or damp ' i ⁇ g the articles being ironed.
  • Figure 1 is a perspective view of a first embodiment of the invention comprising an iron and portable ironing board;
  • Figure 2 is a sectional view of heating means thereof
  • FIG. 3 is a like view of an alternative form of heating means
  • Figure 4 is a diagram of an electrical circuit thereof;
  • Figure 5 is a perspective view of ironing apparatus being a second embodiment of the invention;
  • Figure 6 is a diagrammatic detail view of part of the apparatus of Figure 5 showing one form of induction coil.
  • Figure 7 is a perspective view of an alternative form of induction coil.
  • the apparatus comprises a flat iron 10 having a sole plate 11 and handle 12.
  • the iron itself does not incorporate any heating means, thus it can be simple and light in construction, durable, and does not require any connecting flex cord.
  • a portable ironing board 15 of generally conventional shape includes an ironing surface 16 supported in use by foldable tubular metal or other legs 17, an area at one end of the board forms a rest or station 18 on which the iron is placed by the user at times when an actual ironing operation is not being carried out.
  • the upper surface of station 18 is constituted by a sheet or material forming a screen 19 (see also Figure 2) which is substantially transparent to radiation at and around infra-red wave lengths, i.e. radiant heat will pass readily through the screen without substantially heating the screen material itself.
  • a plastics sheet manufactured by General Electric Plastics is a plastics sheet manufactured by General Electric Plastics.
  • electrically powered tungsten halogen heating lamps 20 for example those produced by Thorn-EMI for cooking hobs which have virtually no thermal inertia, i.e. they come up to full heat almost instantaneously on switch on and cool substantially instantaneously when the current is turned off.
  • Small ridges 21 or other surface projections are provided on the top of screen 19 so that, when iron 10 is rested thereon, the bottom surface of sole plate 11 is spaced slightly above the top surface of screen 19 to reduce back transmission of heat by conduction from the sole plate to the screen.
  • the heating means incorporated in the end portion of the board 15 is connected to an electric power source by a flexible cord 22 and it will be noted that this cord is anchored to the structure of the board 15 which will not normally be moved during use, i.e. there is no wear and tear on the cord apart from its connection and disconnection and storage with the ironing board.
  • Station 18 incorporates a proximity sensor 23, conveniently mounted in screen 19, which responds to the presence of iron 10 at rest on station 18 to switch on the electric circuit connected to lamps. 20.
  • thermocouple or other heat sensing device 24 is conveniently located in a small aperture through screen 19 at its central region so that it responds to the temperature of the iron sole plate 11 when at rest to control thermostatically the operation of the heating lamps 20 by way of a relay 29 ( Figure 4) and maintain the maximum temperature to which the sole plate is heated to a predetermined level.
  • This temperature can be selectively adjusted by a suitable setting knob 25 on board 15 which may be calibrated for the heat settings appropriate to different types of fabric and materials.
  • lamps 20 act substantially instantaneously and are only heated when the iron is in the rest position, and as screen 19 does not itself become substantially heated during operation the risk of accidental burning e.g. if a child should touch the station area 18 of the board is substantially reduced.
  • the rest area of station 18 may be so shaped that the heating means is substantially covered by the iron sole plate when in position thereon to reduce any risk of accidental contact or burning.
  • FIG. 3 An arrangement providing the latter facility is illustrated in Figure 3.
  • a surface at station 18 on which the sole plate 11 of the iron 10 rests is formed from heat insulating material 30 which incorporates the thermocouple or other heat sensing device 24 as referring to above acting directly to sense the temperature of the sole plate bottom surface.
  • the heating means comprising lamps 20A is positioned operatively above the sole plate 11 when the iron is at the station 18 in a casing 31 cantilevered above or bridging the rest station.
  • a screen 19A of infra-red transparent material e.g. the plastics referred to above forms the floor of enclosure 31, the heat from lamps 20A being directed downwards onto sole plate 11.
  • the operation of this arrangement is otherwise substantially as described above.
  • This arrangement may have an advantage in that the heating means is less readily accessible and less likely to be accidentally touched, particularly when the iron is in position.
  • temperature control of the heating means might be provided by other means, for example known electrical or electronic temperature - control devices such as that known as a "Simmerstat".
  • the lamps 20 are shielded by a low mass wire or other mesh or grille across an opening into or above which the sole plate 11 of the iron seats or locates when at rest.
  • the gauge of wire used is small so that it does not absorb or hold any substantial heat and will cool almost instantaneously when the iron is removed .
  • Iron 210 has a metal sole plate 211 and handle 212 similar to that already described and, in this example, is used with a similar portable ironing board 215, its ironing surface 216 supported by legs 217 and with a rest or station 218 at one end.
  • the upper surface of station 218 is constituted by a sheet of di-electric material 219.
  • induction means in this example consisting of a single high frequency induction coil 220 of "pancake" shape as best seen in Figure 6, preferably the windings of coil220 are arranged in a shallow conical helix about an axis normal to sheet 219 rather than a flat spiral coil for the most effective operation.
  • Small ridges or other surface projections may be provided on the top of sheet 219 so that, when iron 210 is rested thereon, the bottom surface of sole plate 211 is spaced slightly above the top surface of screen 219 to reduce back transmission of heat by conduction from the sole plate to the screen.
  • the induction means incorporated in the end portion of the board 215 is connected to an electric power source by way of control means (not shown) mounted in or below said end portion and a flexible cord 222 as in the case of the first embodiment.
  • Station 218 incorporates a proximity sensor 223, conveniently mounted in sheet 219, which responds to the presence of iron 210 at rest on station 218 to activate the control means connected to coil 220.
  • the alternating magnetic field generated by coil 220 induces eddy currents in the metal sole plate 211 which heats the latter but it will be noted that the coil itself, the sheet 219 and other structure at or around station 218 is not heated to any substantial degree.
  • thermocouple or other heat sensing device 224 is conveniently located in a small aperture through sheet 219 e.g.- at its central region so that it responds to the temperature of the iron sole plate 211 when at rest to control thermostatically the operation of the coil 220 by way of the control means and maintain the maximum temperature to which the sole plate is heated to a predetermined level selectively adjusted by a setting knob.225.
  • Coil 220 may operate at a frequency of 200 - 500 kHz to give reasonably deep heating within the body of sole plate 211, however, other frequencies may be used depending on the size, shape and composition of the plate or of a metal body incorporated in the plate structure.
  • An alternative induction arrangement is illustrated in Figure 7.
  • station 218 is provided with an induction coil 220a in the form of a flattened cylinder into which the sole plate 211 of the iron 210 is inserted when at rest.
  • the turns of the coil are axially tapered to match the shape of the plate 211 for the most efficient heating effect.
  • Appropriately arranged proximity and heat sensing devices control the operation of the coil as referred to above.
  • the transmission of energy by induction does involve some energy loss but this is balanced by the rapidity of the heating effect (which is only called for intermittently) and the absence of residual heating of the station structure, i.e. there is no waste heat to be dispersed.
  • Suitable shielding may be provided to prevent radio or T.U. interference.
  • the iron 10 or 210 may incorporate a reservoir for a supply of water or other damping fluid with provision for selective emission of a spray of fluid and/or of steam, " e.g. from apertures in the bottom surface of the sole plate 11 or 211, the fluid being vaporised by the heated sole plate structure in the manner of a steam iron of conventional construction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)

Abstract

Un appareil de repassage comprend un fer à repasser plat (10) sans cordon et tenant dans la main, qui n'est pas pourvu d'un corps de chauffe solidaire du fer à repasser. Une base de support (18) pour le fer à repasser, par exemple incorporée dans une planche à repasser portative traditionnelle (15), comprend un organe émetteur d'énergie, tel qu'une ou plusieurs lampes halogènes au tungstène (20) ne comportant sensiblement aucune inertie thermique. La lampe est actionnée par un détecteur de proximité (23) sur la base de support et le chauffage de la plaque de fond (11) du fer à repasser est régulé par un thermostat pourvu d'un dispositif de détection thermique (24) situé sur la base de support. Un écran (19), en verre ou autre matériau présentant une perméabilité élevée au rayonnement infrarouge, peut protéger la source de chaleur, et le fer à repasser peut reposer sur cet écran ou immédiatement au-dessus de celui-ci sur la base de support. Dans une variante, l'organe émetteur d'énergie est constitué par une bobine d'induction produisant un champ magnétique destiné à chauffer un corps métallique faisant partie du fer à repasser.
PCT/GB1987/000029 1986-11-11 1987-01-19 Appareil de repassage Ceased WO1988003579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8626883 1986-11-11
GB868626883A GB8626883D0 (en) 1986-11-11 1986-11-11 Ironing apparatus

Publications (1)

Publication Number Publication Date
WO1988003579A1 true WO1988003579A1 (fr) 1988-05-19

Family

ID=10607122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1987/000029 Ceased WO1988003579A1 (fr) 1986-11-11 1987-01-19 Appareil de repassage

Country Status (3)

Country Link
AU (1) AU6891587A (fr)
GB (1) GB8626883D0 (fr)
WO (1) WO1988003579A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997021866A1 (fr) * 1995-12-14 1997-06-19 Philips Electronics N.V. Agencement et/ou chambre de vapeur pour fer a repasser, la chambre etant souvent integree a la semelle
GB2392171A (en) * 2002-03-06 2004-02-25 Univ Loughborough Induction ironing system
WO2004113606A1 (fr) * 2003-06-26 2004-12-29 Due Effe & C. S.R.L. Dispositif pour controler la temperature de fonctionnement d'un fer a repasser
US6857209B2 (en) 2000-11-22 2005-02-22 Rowenta Werke Gmbh Cordless iron with piezoelectric water sprayer
FR2876119A1 (fr) * 2004-10-04 2006-04-07 Gerard Leroy Fer a repasser a induction
US7555856B2 (en) 2005-12-30 2009-07-07 Whirlpool Corporation Ironing station
US7562543B2 (en) 2005-12-30 2009-07-21 Whirlpool Corporation Vertical laundry module with backsplash
US7617702B2 (en) 2000-07-25 2009-11-17 Whirlpool Corporation Modular laundry system with cabinet module
US7624600B2 (en) 2000-07-25 2009-12-01 Whirlpool Corporation Modular laundry system with horizontally arranged cabinet module
US7628043B2 (en) 2000-07-25 2009-12-08 Whirlpool Corporation Modular laundry system with horizontal modules
US7681342B2 (en) * 2006-05-05 2010-03-23 Lung Wai Choi Induction ironing apparatus and method
US8033038B2 (en) 2005-12-30 2011-10-11 Whirlpool Corporation Ironing station
US9187855B2 (en) 2004-10-22 2015-11-17 Whirlpool Corporation Modular laundry system with work surface
US20230009155A1 (en) * 2021-07-09 2023-01-12 Haier Us Appliance Solutions, Inc. Laundry appliance including induction ironing assembly

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029897A (en) * 1934-10-22 1936-02-04 Schilling Ludwig Electric iron
US2331673A (en) * 1940-12-13 1943-10-12 Gridiron Steel Company Heated ironing table
US2738410A (en) * 1953-03-12 1956-03-13 Nat Cornice Works Electric warmer for cooked edible
US3098922A (en) * 1962-03-21 1963-07-23 John J Paxton Domestic smoothing iron
US3355574A (en) * 1965-10-01 1967-11-28 Gen Motors Corp Electrical surface heater with plural lamps
US3536891A (en) * 1967-08-21 1970-10-27 Veloise W Lee Infrared heated dish storage apparatus
US3827477A (en) * 1972-09-01 1974-08-06 R Weiner Method of heating alcoholic beverages
US4268737A (en) * 1978-04-11 1981-05-19 Sachs-Systemtechnik Gmbh Cordless inductive flat iron apparatus
NL8500292A (nl) * 1985-02-02 1986-02-03 Gen Electric Strijkijzer.
GB2177424A (en) * 1985-07-02 1987-01-21 Beldray Ltd Ironing apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029897A (en) * 1934-10-22 1936-02-04 Schilling Ludwig Electric iron
US2331673A (en) * 1940-12-13 1943-10-12 Gridiron Steel Company Heated ironing table
US2738410A (en) * 1953-03-12 1956-03-13 Nat Cornice Works Electric warmer for cooked edible
US3098922A (en) * 1962-03-21 1963-07-23 John J Paxton Domestic smoothing iron
US3355574A (en) * 1965-10-01 1967-11-28 Gen Motors Corp Electrical surface heater with plural lamps
US3536891A (en) * 1967-08-21 1970-10-27 Veloise W Lee Infrared heated dish storage apparatus
US3827477A (en) * 1972-09-01 1974-08-06 R Weiner Method of heating alcoholic beverages
US4268737A (en) * 1978-04-11 1981-05-19 Sachs-Systemtechnik Gmbh Cordless inductive flat iron apparatus
NL8500292A (nl) * 1985-02-02 1986-02-03 Gen Electric Strijkijzer.
GB2177424A (en) * 1985-07-02 1987-01-21 Beldray Ltd Ironing apparatus

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5802749A (en) * 1995-12-14 1998-09-08 U.S. Philips Corporation Iron and accumulated energy transferring stand
CN1084812C (zh) * 1995-12-14 2002-05-15 皇家菲利浦电子有限公司 熨斗装置和/或与底板成一体的蒸汽室
WO1997021866A1 (fr) * 1995-12-14 1997-06-19 Philips Electronics N.V. Agencement et/ou chambre de vapeur pour fer a repasser, la chambre etant souvent integree a la semelle
US7617702B2 (en) 2000-07-25 2009-11-17 Whirlpool Corporation Modular laundry system with cabinet module
US7628043B2 (en) 2000-07-25 2009-12-08 Whirlpool Corporation Modular laundry system with horizontal modules
US7624600B2 (en) 2000-07-25 2009-12-01 Whirlpool Corporation Modular laundry system with horizontally arranged cabinet module
US6857209B2 (en) 2000-11-22 2005-02-22 Rowenta Werke Gmbh Cordless iron with piezoelectric water sprayer
GB2392171A (en) * 2002-03-06 2004-02-25 Univ Loughborough Induction ironing system
WO2004113606A1 (fr) * 2003-06-26 2004-12-29 Due Effe & C. S.R.L. Dispositif pour controler la temperature de fonctionnement d'un fer a repasser
FR2876119A1 (fr) * 2004-10-04 2006-04-07 Gerard Leroy Fer a repasser a induction
US9546442B2 (en) 2004-10-22 2017-01-17 Whirlpool Corporation Modular laundry system and laundry module
US9187855B2 (en) 2004-10-22 2015-11-17 Whirlpool Corporation Modular laundry system with work surface
US9611578B2 (en) 2004-10-22 2017-04-04 Whirlpool Corporation Modular laundry system
US10041201B2 (en) 2004-10-22 2018-08-07 Whirlpool Corporation Modular laundry system
US10443176B2 (en) 2004-10-22 2019-10-15 Whirlpool Corporation Laundry system
US7562543B2 (en) 2005-12-30 2009-07-21 Whirlpool Corporation Vertical laundry module with backsplash
US8033038B2 (en) 2005-12-30 2011-10-11 Whirlpool Corporation Ironing station
US8033037B2 (en) 2005-12-30 2011-10-11 Whirlpool Corporation Ironing station
US7555856B2 (en) 2005-12-30 2009-07-07 Whirlpool Corporation Ironing station
US7681342B2 (en) * 2006-05-05 2010-03-23 Lung Wai Choi Induction ironing apparatus and method
US20230009155A1 (en) * 2021-07-09 2023-01-12 Haier Us Appliance Solutions, Inc. Laundry appliance including induction ironing assembly
US11814780B2 (en) * 2021-07-09 2023-11-14 Haier Us Appliance Solutions, Inc. Laundry appliance including induction ironing assembly

Also Published As

Publication number Publication date
AU6891587A (en) 1988-06-01
GB8626883D0 (en) 1986-12-10

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