US20090084006A1 - Ironing appliance with a base having a tank for the production of steam under pressure - Google Patents

Ironing appliance with a base having a tank for the production of steam under pressure Download PDF

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Publication number
US20090084006A1
US20090084006A1 US12/282,873 US28287307A US2009084006A1 US 20090084006 A1 US20090084006 A1 US 20090084006A1 US 28287307 A US28287307 A US 28287307A US 2009084006 A1 US2009084006 A1 US 2009084006A1
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US
United States
Prior art keywords
cap
appliance according
tank
ironing appliance
jaw
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.)
Abandoned
Application number
US12/282,873
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English (en)
Inventor
Dominique Gelus
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Assigned to SEB S.A. reassignment SEB S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GELUS, DOMINIQUE
Publication of US20090084006A1 publication Critical patent/US20090084006A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
    • 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

Definitions

  • the present invention relates to an ironing appliance having a tank for the production of steam under pressure and relates more particularly to an ironing appliance in which the vessel is fitted with a filler hole closed by a removable cap, or plug.
  • Known ironing appliances include a tank for the production of steam under pressure with a filler hole closed by a removable cap that can be screwed into the filler hole.
  • caps furnished with a screw thread have the disadvantage of taking relatively long to screw and unscrew and provide access to a small filler hole, making filling the operation of the tank difficult.
  • such caps do not protect the consumer against the risk of opening up the cap while the tank is still under pressure.
  • a goal of this invention is to remedy these problems by presenting an ironing appliance equipped with a rapid opening cap providing great ergonomics of use.
  • Another goal of this invention is to present an ironing appliance with improved safety.
  • the invention has for its object an ironing appliance having a tank for the production of steam under pressure with a filler hole closed by a removable cap, wherein the cap is immobilized facing the hole by fastening means permitting rapid opening and/or closing of the cap by rotating it through less than one turn.
  • the cap is connected to the end of a pipe surrounding the filler hole by means of a bayonet type connection, the cap having a jaw comprising claws that come to engage under ramps formed at the end of the pipe.
  • the diameter of the filler hole is between 20 mm and 40 mm.
  • This characteristic allows for a filling or emptying the tank quickly while maintaining acceptable forces on the fastening means for the cap.
  • the tank, the filler pipe and jaw are made of stainless steel.
  • the filler pipe and the stainless steel jaw receive a surface treatment by being covered with Teflon or immersed in a bath comprising tin.
  • Such a treatment reduces the friction between the claws and the ramps and reduces the force needed for opening and closing the cap.
  • the watertightness of the cap is achieved by means of a joint carried by a core that is mobile in rotation with respect to the jaw of the cap.
  • Such a characteristic allows to limit the wear of the joint due to friction.
  • the watertightness of the cap is achieved by means of a joint having a height, in the direction of compression, greater than 4 mm.
  • the seal is of silicone or ethylenepropylenediene monomer material.
  • Such a characteristic allows having a joint with good elasticity and high resistance to steam.
  • the appliance has a base containing the tank and connection means connecting the cap to the base when the cap is in an open position allowing access to the filler hole.
  • Such a characteristic allows the cap to be prevented from falling when it is removed from the filler hole.
  • the fastening means are constituted by an articulated arm connecting the cap to the base.
  • Such an arm has the advantage of ensuring proper placement of the cap against the filler hole during closing of the cap.
  • the cap includes a handle projecting radially from the body of the cap.
  • the handle comes to operate a safety switch when the cap is properly closed.
  • Such a characteristic permits enhancement of the safe use of the appliance by preventing operation of the appliance and more particularly activation of the heating means of the tank when the cap is not properly closed.
  • the appliance includes, at the end of opening travel of the cap, guiding means raising the cap when the latter is not retained in the filler hole by the fastening means.
  • Such guiding means to create a torque for lifting the cap at the end of its opening in a manner to counter a possible suction effect of the cap created by a low pressure inside the tank.
  • the appliance includes a safety body preventing the opening of the cap when the pressure in the tank exceeds a predetermined threshold.
  • the safety body has a finger being inserted into the handle when the pressure in the tank exceeds a predetermined threshold and a play is provided in the fastening of the jaw with respect to the handle.
  • the safety body cooperates with a pressure indicator lever.
  • FIGS. 1A to 1C are perspective views of a base of an ironing appliance according to a particular embodiment of the invention, the closure cap being shown in different positions in these figures;
  • FIG. 2 is an exploded perspective view of the closure cap coming to face the filler hole of the tank of the appliance of FIGS. 1A to 1C , the housing of the appliance not being shown in this figure;
  • FIG. 3 is another perspective view, partly exploded, of the closure cap of FIG. 2 ;
  • FIG. 4 is a top view of the appliance of FIG. 1C ;
  • FIG. 5 is a cross-sectional view along the line V-V of FIG. 4 ;
  • FIGS. 6 and 7 are cross-sectional views of the base of the appliance along line VI-VI of FIG. 4 , when the tank is respectively at atmospheric pressure and under pressure.
  • FIGS. 1A to 1C show an ironing appliance having a base 1 comprising a housing 10 containing a steam generating tank 2 , visible in FIG. 2 .
  • Tank 2 comprises conventionally heating means for the production of steam under a maximum pressure of about 4.5 bars and a solenoid valve designed to be connected to an iron by a cord, not shown in the figures.
  • Tank 2 is advantageously made of stainless steel material with a thickness of 1.2 mm and presents a filler hole 3 around which is welded or soldered a filler pipe 4 closed by a removable cap, or plug, 5 .
  • the appliance has connection means 6 connecting cap 5 to base 1 when cap 5 is open to allow access to the filler hole 3 .
  • these types of connection means are formed by an articulated arm 6 connecting cap 5 to housing 10 .
  • articulated arm 6 is returned by a return spring 60 , visible in FIG. 2 , into a substantially vertical position illustrated in FIG. 1A , in which arm 6 is immobilized by an end of travel abutment.
  • articulated arm 6 has an elongated body 61 , of substantially rectangular cross section, which is furnished at one end with an articulation axis 62 mounted to pivot at the edge of housing 10 , the other end supporting a circular ring 63 receiving cap 5 .
  • cap 5 is a rapid opening cap the opening of which is effectuated by rotating the cap over less than one turn and preferably by rotation of the cap between 1 ⁇ 8 and 1 ⁇ 2 turn so have great ergonomics of use.
  • the cap is rotatably mounted on the arm and can pivot through one-third of a turn between an unlocked position shown in FIG. 1B and a locked position shown in FIG. 1C .
  • Cap 5 has a cover 50 presenting a substantially circular body with a diameter of about 6 cm coming to cover ring 63 , the upper edge of the latter comprising a small diameter forming a shoulder 63 A under which a disc 51 comes to be engaged. Disk 51 pivots inside circular ring 63 and presents a peripheral edge whose upper surface comes close to shoulder 63 A of the circular ring.
  • Disc 63 and cover 50 are made of a polyamide material and are fixed to one another by assembly pieces 52 , carried by disc 51 , which are fitted in tubes 50 A carried by lid 50 .
  • the coupling of cap 5 on filler pipe 4 is provided by a jaw 53 of hardened stainless steel material having a thickness of 2.6 mm, which is disposed between cover 50 and disc 51 .
  • Jaw 53 has two symmetrical claws 53 A traversing two lateral notches 51 A of the disc and coming to engage under ramps 40 formed by a folded edge at the end of filler pipe 4 to form a bayonet type connection, the folded edge having locally two cutouts 41 for the passage of claws 53 A.
  • claws 53 A of the jaw and ramps 40 of the stainless steel tubing material are covered with Teflon or processed by immersion in a bath of tin, then possibly covered with a varnish to promote sliding during opening or closing of cap 5 .
  • Jaw 53 has two oblong holes 53 B in which are inserted two assembly pieces 52 so that the rotation of cover 50 entrains rotation of jaw 53 , oblong holes 53 B allowing a slight rotational deflection of jaw 53 with respect to lid 50 , return springs 54 being provided to bring jaw 53 in abutment against one end of oblong holes 53 B.
  • disc 51 has a central opening 51 B surrounded by a peripheral sleeve into which comes to be inserted central brass core 55 , the upper end of central core 55 being inserted into a central opening 53 C of jaw 53 .
  • Core 55 has a first shoulder 55 A coming to be supported against the edge of central opening 53 C of the jaw and presents a groove 55 B receiving an elastic ring 58 axially blocking jaw 53 on core 55 , core 55 however being able to turn freely relative to jaw 53 .
  • the lower part of core 55 receives an annular joint 56 , which is engaged elastically in a groove defined in its upper part by a second shoulder 55 C, the latter having an external diameter corresponding substantially to the outer diameter of joint 56 .
  • Such a shoulder 55 C allows pressing annular joint 56 against the edge of filler hole 3 when jaw 53 of the cap is screwed on filler pipe 4 , as is illustrated in FIG. 5 , ramp 40 of the pipe extending helicoidally so that the rotation of jaw 53 is accompanied by an axial translation of core 55 toward filler hole 3 .
  • the free rotation of core 55 relative to jaw 53 has the advantage of applying the joint 56 axially on the edge of hole 3 without entraining the latter in rotation, which permits limiting considerably the wear of joint 56 due to friction.
  • Joint 56 is advantageously made of silicone or EPDM (ethylene propylene diene monomer) material and has a minimum height of 4 mm and preferably of the order of 10 mm, so that it can be compressed, when the cap 5 is screwed on 4 filler pipe, to a minimum of 10% of its height and a maximum of 30%, depending on manufacturing tolerances.
  • EPDM ethylene propylene diene monomer
  • filler pipe 4 is equipped with an opening 42 , or a lateral notch, permitting evacuation of excess water possibly present in the filler pipe.
  • Filler opening 3 advantageously has a diameter of between 20 mm and 40 mm, and preferably of the order of 30 mm, so as to allow a rapid filling or emptying of tank 2 without however excessive force on ramps 40 of the filler pipe as a result of pressure exerted on cap 5 .
  • a diameter of 30 mm for the hole provides for a filling or emptying of 1 liter of water in 6 seconds.
  • cover 50 includes a radially extending handle 57 , the side face of handle 57 coming to operate a safety switch 7 preventing activation of the heating means of tank 2 when cap 5 is not completely closed.
  • This safety switch 7 shown in dotted lines in FIGS. 1A to 1C , is carried by housing 10 and is disposed at the end of travel of the trajectory swept by handle 57 during closing of cap 5 .
  • a signal light 70 is associated with this safety switch 7 so as to alert the user on the state of safety switch 7 and therefore on the correct closure of cap 5 .
  • handle 57 incorporates a pressure indicator formed by a lever 8 pivoting inside the body of the handle 57 about an axis 80 , this lever 8 having a rounded tip 81 coming opposite an opening 57 A formed in the lower wall of handle 57 and an indicator surface 82 moving next to a window 57 B provided in the upper surface of the handle.
  • This lever 8 is intended to cooperate with a safety body 9 carried by tank 2 , the safety body having a finger 90 passing through housing 10 at the level of a hole 10 A facing opening 57 A of the handle when the latter is in the closed position illustrated in FIG. 1C .
  • FIG. 6 illustrates the position of safety body 9 when the pressure difference between tank 2 and atmospheric pressure does not exceed 0.02 bar.
  • safety body 9 is then in lowered position in which the end of finger 90 of the safety body is flush with the top surface of housing 10 .
  • Lever 8 in the handle then occupies a first position into which it is moved by gravity. In this position, lever 8 is in abutment against the underside of handle 57 , the rounded end 81 of the lever then being located inside hole 57 A so that a first zone 82 A of indicator surface 82 lies next to window 57 B.
  • this first part 82 A of indicator surface 82 is green in color to indicate that the user can open cap 5 .
  • handle 57 is not blocked against rotation by finger 90 and can be easily turned by the user.
  • finger 90 of the safety body When the pressure difference between tank 2 and atmospheric pressure is greater than 0.02 bar, for example following activation of the heating means, finger 90 of the safety body is moved upwardly as illustrated in FIG. 7 . In this position, finger 90 of the safety body is engaged in hole 57 A of handle 57 , preventing any rotational movement of cap 5 .
  • the insertion of finger 90 through hole 57 A is accompanied by pivoting of lever 8 into a position in which a second part 82 B of indicator surface 82 is next to window 57 B, this second part 82 B advantageously being red in color in order to alert the user of the impossibility of opening cap 5 because of excessive steam pressure prevailing in tank 2 .
  • the user is then obliged to wait until the pressure in tank 2 falls below the threshold of 0.02 bar to open the cap.
  • This drop in pressure occurs naturally when the temperature of the tank 2 drops and can be accelerated by the user by actuating, for example, the steam delivery trigger with which the steam iron is equipped.
  • a ramp 10 B disposed at the end of the rotational opening travel of cap 5 .
  • This ramp 10 B presents a height of about 3 mm, which assures the lifting and pivoting of handle 57 and thus of joint 56 during the rotation of cap 5 for its opening, creating exposure of tank 2 to the air.
  • Such an appliance has the advantage of providing great ergonomics of use by allowing the rapid opening of the cap for filling the tank while having a very safe operation.
  • the core is hollow and has a central cavity closed by a wall ensuring the watertightness of the cap.
  • the central cavity may receive, in a manner known per se, a safety valve subjected to the pressure in the tank through a hole formed in the wall.
  • the safety valve could for example be arranged to open beyond a pressure of 6 bars so as to prevent any defect in regulation of the heating means of the tank.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Irons (AREA)
  • Cookers (AREA)
US12/282,873 2006-03-14 2007-03-06 Ironing appliance with a base having a tank for the production of steam under pressure Abandoned US20090084006A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0602207A FR2898610B1 (fr) 2006-03-14 2006-03-14 Appareil de repassage comportant une cuve pour la production de vapeur sous pression.
FR0602207 2006-03-14
PCT/FR2007/000391 WO2007104846A2 (fr) 2006-03-14 2007-03-06 Appareil de repassage comportant une cuve pour la production de vapeur sous pression

Publications (1)

Publication Number Publication Date
US20090084006A1 true US20090084006A1 (en) 2009-04-02

Family

ID=37137563

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/282,873 Abandoned US20090084006A1 (en) 2006-03-14 2007-03-06 Ironing appliance with a base having a tank for the production of steam under pressure

Country Status (6)

Country Link
US (1) US20090084006A1 (fr)
EP (1) EP1996758A2 (fr)
CN (1) CN101400848A (fr)
FR (1) FR2898610B1 (fr)
RU (1) RU2008140522A (fr)
WO (1) WO2007104846A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2545324B1 (fr) * 2010-03-12 2018-05-02 LG Electronics Inc. Générateur de vapeur et machine à laver équipée de ce dernier
CN107893325B (zh) * 2017-12-27 2024-01-09 宁波爱佳电器有限公司 电熨斗加水盖结构
CN108049140A (zh) * 2018-01-19 2018-05-18 广东美的环境电器制造有限公司 储水结构和挂烫机

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2034799A (en) * 1934-02-14 1936-03-24 Darrell C Crain Container and closure retainer therefor
US2180523A (en) * 1937-02-10 1939-11-21 Frank J Horton Smoothing iron reservoir
US2620576A (en) * 1946-11-08 1952-12-09 Proctor Electric Co Steam iron with controlled water flow
US3718997A (en) * 1971-01-11 1973-03-06 Mc Graw Edison Co Steam-dry travel iron
US3913783A (en) * 1974-01-17 1975-10-21 Alfred Cooper Safety closure cap with retaining feet
US4081102A (en) * 1976-03-25 1978-03-28 Nihon Radiator Co., Ltd. Cap for fuel tank
US4688340A (en) * 1985-01-16 1987-08-25 Black & Decker Inc. Travel steam and dry iron
US5893489A (en) * 1996-07-29 1999-04-13 Giarrante; Gary C. Container-lid including pouring spout and brush-support
US6264072B1 (en) * 1999-11-08 2001-07-24 Shon Johannes Funnel attachment for paint cans
US7506656B2 (en) * 2001-12-21 2009-03-24 Eltek S.P.A. Dispenser of washing agents for a household washing machine, in particular a dishwasher

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH396245A (de) * 1963-02-02 1965-07-31 Schaer Hans Elektrisches Dampfbügeleisen
US3337975A (en) * 1965-10-14 1967-08-29 Dominion Electric Corp Electric steam iron
FR1568999A (fr) * 1968-03-22 1969-05-30
IT1217409B (it) * 1988-04-13 1990-03-22 Nuova Polti Spa Tappo di sicurezza per contenitori sotto pressione di vapore
DE9012274U1 (de) * 1990-08-27 1992-01-02 Elektrowerk Sörnewitz GmbH, O-8273 Sörnewitz Schließeinrichtung für den Wassereinfüllkanal von Dampfbügeleisen
FR2690699A1 (fr) * 1992-04-29 1993-11-05 Hily Michel Dispositif de sécurité pour défroisseur-repasseur et défroisseur-repasseur perfectionné muni d'un tel dispositif.
FR2714401B1 (fr) * 1993-12-24 1996-03-08 Seb Sa Dispositif de distribution de vapeur.
DE19705015B4 (de) * 1997-02-10 2005-01-13 BSH Bosch und Siemens Hausgeräte GmbH Elektrisches Dampfbügeleisen
FR2769597A1 (fr) * 1997-10-14 1999-04-16 Alain Savino Boite metallique pourvue d'un goulot a vis pour boissons
FR2830266B1 (fr) * 2001-10-02 2003-12-12 Seb Sa Fer a cavite arriere ouverte

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2034799A (en) * 1934-02-14 1936-03-24 Darrell C Crain Container and closure retainer therefor
US2180523A (en) * 1937-02-10 1939-11-21 Frank J Horton Smoothing iron reservoir
US2620576A (en) * 1946-11-08 1952-12-09 Proctor Electric Co Steam iron with controlled water flow
US3718997A (en) * 1971-01-11 1973-03-06 Mc Graw Edison Co Steam-dry travel iron
US3913783A (en) * 1974-01-17 1975-10-21 Alfred Cooper Safety closure cap with retaining feet
US4081102A (en) * 1976-03-25 1978-03-28 Nihon Radiator Co., Ltd. Cap for fuel tank
US4688340A (en) * 1985-01-16 1987-08-25 Black & Decker Inc. Travel steam and dry iron
US5893489A (en) * 1996-07-29 1999-04-13 Giarrante; Gary C. Container-lid including pouring spout and brush-support
US6264072B1 (en) * 1999-11-08 2001-07-24 Shon Johannes Funnel attachment for paint cans
US7506656B2 (en) * 2001-12-21 2009-03-24 Eltek S.P.A. Dispenser of washing agents for a household washing machine, in particular a dishwasher

Also Published As

Publication number Publication date
EP1996758A2 (fr) 2008-12-03
FR2898610A1 (fr) 2007-09-21
WO2007104846A3 (fr) 2007-11-01
WO2007104846A2 (fr) 2007-09-20
RU2008140522A (ru) 2010-04-20
FR2898610B1 (fr) 2009-02-27
CN101400848A (zh) 2009-04-01

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SEB S.A., FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GELUS, DOMINIQUE;REEL/FRAME:022422/0133

Effective date: 20080909

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE