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
  • 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
  • D06F75/24—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
  • D06F75/26—Temperature control or indicating arrangements
  • D06F75/265—Temperature indicating arrangements; Control knobs
• • 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
  • D06F75/34—Handles; Handle mountings
• • 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
  • D06F79/02—Stands or supports neither attached to, nor forming part of, the iron or ironing board
  • D06F79/023—Stands or supports neither attached to, nor forming part of, the iron or ironing board with means for supplying current to the iron
  • D06F79/026—Stands or supports neither attached to, nor forming part of, the iron or ironing board with means for supplying current to the iron for cordless irons

Definitions

• the present invention relates to an ironing apparatus comprising a cordless iron and a charging base on which the cordless iron is arranged during the inactive ironing phases to allow an exchange of energy between the charging base and the iron, and relates more particularly to an ironing apparatus comprising an iron comprising a water tank, a heating body provided with a vaporization chamber for the production of steam and a circuit for the distribution of steam. steam to the clothes to iron.
• an ironing apparatus comprising a cordless iron and a charging base comprising a base on which the cordless iron can be arranged to allow the heating of the iron. soleplate by an exchange of energy between the charging base connected to the electrical network and the wireless iron.
• the iron is steam ironing, however it is necessary to use the iron in a connected mode, with the iron connected to an electrical network by a cord, when the user wishes to iron with a relatively large steam flow.
• an object of the present invention is to provide an ironing apparatus equipped with a cordless iron equipped with a vaporization chamber for the production of steam which provides an excellent quality of ironing, thanks in particular to obtaining a good flow of steam and a good autonomy during the active ironing phases.
• the subject of the invention is an ironing apparatus comprising a cordless iron and a charging base on which the iron is placed during the inactive ironing phases to allow an exchange.
• the iron comprising a water tank and a heating body provided with a vaporization chamber for the production of steam, the tank communicating with the vaporization chamber at means of a supply circuit, characterized in that the supply circuit comprises shutter means movable between a closed position, wherein the shutter means interrupt the flow of water through the supply circuit, and a position open in which the shutter means pass water through the supply circuit, and in that the shutter means are brought into the open position by actuating a control button of the steam carried by the iron and are returned automatically in the closed position by return means when the user releases the steam control button.
• Such a characteristic has the effect of increasing the autonomy of the iron during the active ironing phases, that is to say to increase the capacity of the iron to maintain a sufficient operating temperature to obtain a good quality ironing.
• the presence of the steam control button makes it possible to avoid unnecessary steam production during the setting up phase of the iron on the charging base as well as during the rapid handling phases of the laundry while the iron to iron remains still on the table.
• an energy saving of about 15% is observed compared to a cordless iron producing continuous steam.
• the shutter means are constituted by a shutter valve brought back by a return spring in the rest position in which the shutter valve interrupts the supply of water to the vaporization chamber, the actuation of said steam control button causing said shutter valve to move to the open position in which water from the reservoir can flow to the vaporization chamber.
• the iron comprises a gripping handle and the steam control button is constituted by a trigger located under the handle.
• the trigger is pivotally mounted on the handle of the iron and has an end connected to an actuating rod slidably mounted in the iron, the actuating rod moving the valve towards its open position when the trigger is actuated.
• the feed circuit comprises a drip-shaped plug for adjusting the flow rate of water sent to the vaporization chamber and the shutter means are independent of said drip-and-drop bushel and arranged upstream of the latter.
• the iron comprises an ironing sole in thermal contact with the heating body, the heating body comprising an electric resistance regulated by a thermostat associated with a knob for adjusting the temperature of the setpoint of the sole.
• the drip plug is movable between different positions corresponding to different steam flow rates and the iron comprises connecting means connecting the plug-in drip to the control knob. Thermostat to index the position of the drip plug at the position of the thermostat knob.
• the heating body has a mass greater than 550 g and preferably of the order of 600 g.
• the heating body is made of aluminum casting.
• the feed circuit of the iron comprises an anti-drip valve whose opening is controlled by a thermally deformable element carried by the heating body.
• the anti-drip valve is disposed on the supply circuit upstream of the shutter means.
• the charging base comprises a lower surface intended to rest on a support, a base on which the sole of the iron comes to rest during inactive ironing phases and a bumper at one end of the ironing board.
• base including a connector electrical, the base being bordered by an access ramp down towards the lower surface of the charging base and extending over the entire periphery of the base not occupied by the stopper.
• the iron has a rear end having a shape adapted so that the iron can not rest, in a substantially vertical position, in equilibrium on its rear end.
• FIG. 1 is a side view of an ironing apparatus according to a particular embodiment of the invention.
• FIG. 2 is a perspective view of the ironing apparatus of Figure 1 with the iron disconnected from the charging base;
• FIG. 3 is a perspective view of the iron of Figure 1 showing the thermostat, the drip and shutter valve associated with the trigger by transparency through the housing;
• FIGS. 4A and 4B are perspective views of the connection device connecting the drip plug and the thermostat control knob when the thermostat adjustment knob is respectively in a low temperature and a high temperature position.
• FIG. 5 is a perspective view, partially broken away, of the iron of Figure 1;
• FIGS. 6 and 7 are longitudinal sectional views of the iron of Figure 1 when the trigger is respectively released and pressed;
• FIGS 8 and 9 are cross-sectional views of the iron according to line VIII-VIII of Figure 5 when the anti-drip valve is respectively in a closed position and in an open position.
• FIGS. 1 and 2 show an ironing apparatus comprising a cordless iron 1 equipped with an ironing soleplate 2 surmounted by a casing 10 equipped with a gripping handle 11, the iron 1 being associated with a charging base 100 having a lower surface for resting on a work table, such as an ironing board, and comprising a power cord 101, shown only in Figure 2, for its electrical connection to a home network.
• a cordless iron 1 equipped with an ironing soleplate 2 surmounted by a casing 10 equipped with a gripping handle 11
• the iron 1 being associated with a charging base 100 having a lower surface for resting on a work table, such as an ironing board, and comprising a power cord 101, shown only in Figure 2, for its electrical connection to a home network.
• the charging base 100 comprises a base 102 of elongated shape on which the sole 2 of the iron comes to rest during the inactive ironing phases and a stopper 103 equipped with an electrical connector 104 coming to mate with an electrical plug form complementary, not visible in the figures, carried by a rounded rear end of the iron 1 when the iron 1 rests on the base 102.
• the charging base 100 comprises a fixing flange 105 allowing it to be immobilized on a support and the base 102 is bordered by access ramps extending over the entire periphery of the base not occupied by the stopper 103, the base 102 comprising a convex upper surface receiving a boss 106 disposed at the front of the base and two rollers 107 disposed near the stopper 103, the boss 106 and the two rollers 107 constituting three points of support on which the sole 2 comes rest when the iron 1 is brought to the base 102 for reloading.
• the sole 2 of the iron is contiguous to a heating body 3 comprising an aluminum alloy foundry surmounted by a closure cap 30 of metal, the heating body 3 enclosing an electrical resistance 31 d a power of at least 1400 W, and preferably of the order of 2000 W, consisting of a tubular heating element.
• the heating body 3 of the iron advantageously has an aluminum mass greater than 550 g, and preferably of the order of 600 g, for a total weight of the iron of the order of 1500g, to provide a large energy storage capacity.
• the heating body 3 is surmounted by a thermostat 4 which is associated with a rotary adjustment knob 40 accessible on the housing 10 of the iron, this adjustment knob 40 being disposed under the handle of FIG. gripping 1 1 and allowing the user to choose a set temperature for the sole 2.
• the adjustment knob 40 of the thermostat is advantageously connected by a connecting arm 41 to a drip plug 5 passing through an orifice of the closure lid to open into a vaporization chamber 32 for the production of steam integrated into the heating body.
• the drip valve 5 conventionally comprising a rod 50 able to move axially inside a guide sleeve 12 integrated in the housing 10 and comprising a lower end provided with a groove 51 providing a flow of water that can pass through the calibrated drip plug 5 according to the degree of depression of the rod 50 in a nozzle seal 52 mounted on the opening of the closure lid 30.
• the linkage arm 41 comprises an L-shaped body pivotally mounted on a frame 42 integral with the casing 10, the linkage arm 41 having a first end connected to the rod 50 of the drip-shaped plug. drop by two branches extending on either side of the rod 50, each branch having an oblong hole 41A in which is engaged the end of a connecting pin 53 carried by the rod 50 so that the pivoting of the connecting arm 41 on the frame 42 causes the rod 50 to move axially to the nozzle seal 52.
• the connecting arm 41 also comprises a second end comprising an actuating finger 43 resting on a helical track 44 carried by a piece 45 integral in rotation with the adjusting knob 40 by a gear train, the shape of the helical track 44 being adapted so that the rotation of the adjusting knob 40, and therefore of the piece 45, causes the pivoting of the connecting arm 41 and the axial displacement of the rod 50 of the drip-shaped plug 5.
• FIG. 4A shows the adjustment knob 40 of the thermostat for a set point temperature of the soleplate 2 of the order of 105.degree. C., the drip plug stem then occupying a low position, also illustrated in Figure 6, to obtain a flow rate of water passing through the dropper of the order of 5 g / min.
• FIG. 4A shows the adjustment knob 40 of the thermostat for a set point temperature of the soleplate 2 of the order of 105.degree. C., the drip plug stem then occupying a low position, also illustrated in Figure 6, to obtain a flow rate of water passing through the dropper of the order
• the adjustment knob 40 of the thermostat can also occupy intermediate positions between these two extreme positions, the position of the rod 50 of the drip plug 5 then automatically adapting to provide a flow of water of the order of 15 g / min when the temperature set point of the soleplate 2 is of the order of 140 ° C and a flow rate of water of the order of 25 g / min when the temperature set point of the soleplate 2 is of the order of 200 ° C.
• the vapor produced by the vaporization chamber 32 is diffused, in a manner known per se, by a steam distribution circuit opening onto steam outlet holes 20 formed in the soleplate 2 and the housing 10 the iron comprises a reservoir 13 of water communicating with the vaporization chamber 32 through a feed circuit comprising the drip plug 5 at one of its ends, the reservoir 13 being equipped with a filling orifice closed by a rotary hatch 14 disposed on the front face of the iron.
• the feed circuit of the vaporization chamber 32 comprises a shutter valve 6 controlled by a trigger 60 which is automatically returned to a rest position by a return spring 61, the trigger 60 being advantageously located under the handle 1 1 of the iron so as to be easily operable by means of the index finger of the hand.
• the shut-off valve 6 is arranged, on the supply circuit of the vaporization chamber 32, upstream of the drip plug 5 and comprises a rod actuator 62 comprising a lower end equipped with a seal 63 which is returned by a return spring 64 in a closed position, illustrated in Figure 6, wherein a lip of the seal 63 bears on a seat 15 bordering a passage opening 15A of the supply circuit so that the flow of water through the feed circuit of the vaporization chamber 32 is interrupted.
• the actuating rod 62 of the shutter valve 6 has an upper end connected by an axis 65 to one end of the trigger 60, the latter comprising a body pivotally mounted about an axis 16 carried by the handle 1 1 so actuation of the trigger 60 causes the actuating rod 62 to move downwards against its return spring 64 and the shutter valve 6 to move to an open position, as shown in FIG. 7 , in which the seal 63 is spaced from the seat 15 bordering the passage opening thus allowing the flow of water from the reservoir 13 through the passage opening 15A, the release of the trigger 60 accompanied by the automatic return of the trigger 60 in the rest position and the closure of the shutter valve 6.
• the supply circuit also comprises an anti-drip valve 7, visible in FIG. 8, disposed in the bottom of the tank 13 at the start of the supply circuit, the anti-drip valve 7 being brought back by a spring in a closed position, illustrated in FIG. 8, in which the upper end of the anti-drip valve 7 closes a through orifice 13A and prevents the flow of water from the reservoir 13 to a first portion 13B of the supply circuit extending between the tank 13 and the shutter valve 6.
• an anti-drip valve 7 visible in FIG. 8, disposed in the bottom of the tank 13 at the start of the supply circuit, the anti-drip valve 7 being brought back by a spring in a closed position, illustrated in FIG. 8, in which the upper end of the anti-drip valve 7 closes a through orifice 13A and prevents the flow of water from the reservoir 13 to a first portion 13B of the supply circuit extending between the tank 13 and the shutter valve 6.
• the anti-drip valve 7 can be moved to an open position by a pin 71 placed under the anti-drip valve 7, the pin 71 being slidably mounted through a heat shield 17 separating the heating body 3 of the reservoir 13 and itself being displaced by a thermally deformable element constituted by a bimetallic strip 72 carried by the heating body 3, the bimetallic strip 72 being sized to deform and to ensure the opening of the anti-drip valve 7 when the temperature of the vaporization chamber 32 is sufficient to produce steam, that is to say is greater than 100 ° C.
• the first portion 13B of the feed circuit comprises a bifurcation 13C in which is drawn a first manual pump 8 for generating a surplus of steam, the first portion 13B of the feed circuit being set to air through a vent to facilitate pumping, the vent being advantageously constituted by the different existing games at the level of the members ensuring the translational guidance of the actuating rod 62 in the housing 10.
• the first pump 8 can be actuated by means of a first button 80 disposed on the upper front part of the handle 1 1 and can send water in a pipe 81, visible in part in FIGS. 6, which opens into a secondary vaporization chamber 33 integrated into the heating body 3 in the immediate vicinity of the electrical resistance 31, the secondary vaporization chamber 33 communicating, in a manner known per se, with a limited number of exit holes 20 of steam arranged at the front of the sole.
• the iron also comprises a second manual pump 9 having an intake duct 91, visible in Figure 9, opening directly into the tank 13, the second pump 9 can be actuated by means of a second button 90 arranged next the first button 80 and being connected by a pipe, not visible in the figures, to a spray nozzle 92, visible in Figures 5 and 6, disposed on the front face of the iron 1.
• the user When the user wishes to perform an ironing session, he fills the reservoir 13 with water and connects the power cord 101 of the charging base 100 to the domestic electrical network, leaving the iron 1 connected to the base of the
• the resistor 31 of the heating body 3 is then electrically powered by the electrical connector of the base of recharge 100 and the heating body 3 rises rapidly in temperature due to the high power of the electrical resistance 31.
• the thermostat 4 opens and a light indicator lights up on the iron to indicate to the user that the soleplate 2 is at the set temperature and that the iron 1 is ready to use.
• the trigger 60 so as to move the shutter valve 6 to the open position, illustrated in Figure 7, so that the water from the tank 13 in the first portion 13B of the supply circuit can flow into a second portion 13D of the supply circuit extending between the shutter valve 6 and the drip plug 5, the water of the second portion 13D flowing in the vaporization chamber 32 with a flow rate defined by the position of the drip plug 5, that is to say determined automatically by the position of the adjustment knob 40 of the thermostat 4 so to be in adequacy with the temperature set point of the sole 2.
• the trigger 60 and the shutter valve 6 automatically return to the closed position under the combined effect of return springs 61, 64 of the trigger 60 and the actuating rod 62 so that water can no longer flow through the passage opening 15A, the second portion 13D of the supply circuit it is then more supplied with water by the tank 13. It follows an interruption of the production of steam by the vaporization chamber 32, the latter being no longer supplied with water by the supply circuit.
• the second portion 13D of the supply circuit of the vaporization chamber 32 is preferably made airtight by having a seal of sealing 54 between the rod 50 of the drip and the guide sleeve 12 so that the flow of water stored in the second portion 13D of the supply circuit stops immediately upon closure of the shutter valve 6.
• the user wishes to obtain a momentary surplus of steam, for example to carry out difficult work, it suffices to actuate the first pump 8 by pressing the button 80 so that a predetermined amount of water, of the order of a few milliliters, is sent to the secondary vaporization chamber 33 to obtain an additional vapor emission, this vapor diffusing through a small number of steam outlet holes 20 located at the front the sole 2.
• a spray of water is also available to the user to moisten the laundry, this spray can be obtained at any time through the nozzle 92 by manually operating the second pump 9 by pressing the button 90.
• the bimetallic strip 72 will deform and cause the closing of the anti-drip valve 7, as is illustrated in FIG. 8, so that that only the small amount of water present in the first portion 13B and second portion 13D of the feed circuit may flow into the vaporization chamber 32 thus preventing water drops from flowing through the holes 20 of out of the sole.
• the closing of the anti-drip valve 7 also prevents a large quantity of water is sent to the secondary vaporization chamber 33 for the production of a steamer if the user actuates the button 80 several times since only the small amount of water possibly present in the first portion 13B of the feed circuit can be pumped.
• the iron may also include, in addition to the mechanical solutions described above, visual indicators or sound, such as a flashing light, which will be activated to alert the user to the need to rest the iron 1 on its base recharge 100 when the temperature of the heating body 3 becomes insufficient to effectively perform the ironing work.
• visual indicators or sound such as a flashing light
• the ironing apparatus thus produced has the advantage of having a cordless steam iron which can produce a high steam flow, greater than 30 g / min, while maintaining a good autonomy of use between the charging phases. on the base thanks to the presence of the trigger that increases the autonomy and the presence of a large mass of aluminum embedded in the iron that can store a large amount of energy during inactive phases of ironing during which the iron is placed on the base of the charging base.
• the fact that the iron has a rounded rear end on which it can not stand vertically has the advantage of encouraging the user to rest the iron on its charging base during inactive ironing phases.
• the ironing apparatus thus produced has the advantage of having good ergonomics of use limiting fatigue during ironing sessions, despite the significant weight of the iron, thanks to the ability to engage and release the iron on the base without having to lift the iron but simply by sliding it from the ironing board to any of the access ramps of the base by a simple pulling force on the handle, the presence of ramps access in different directions to provide great freedom of movement when docking the iron on the charging base and offering a wide choice in the orientation of the charging base on the ironing board.
• the foundry of the heating body may be made of magnesium or an alloy comprising aluminum, copper and magnesium.

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

Priority Applications (4)

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ID=46201713

Family Applications (1)

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Citations (4)

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• 2011
  • 2011-05-06 FR FR1153909A patent/FR2974822B1/fr not_active Expired - Fee Related
• 2012
  • 2012-05-03 WO PCT/FR2012/050982 patent/WO2012153038A1/fr active Application Filing
  • 2012-05-03 PL PL12725090T patent/PL2705190T3/pl unknown
  • 2012-05-03 CN CN201280019864.7A patent/CN103492630B/zh active Active
  • 2012-05-03 JP JP2014509789A patent/JP6091491B2/ja active Active
  • 2012-05-03 EP EP12725090.0A patent/EP2705190B1/fr active Active

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