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
  • D06F75/12—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source

Definitions

• the present invention relates to a steam ironing apparatus comprising a water tank in direct communication with a boiling chamber for the production of steam and relates more particularly to an ironing apparatus in which the boiling chamber comprises heating means and an outlet orifice through which the vapor can escape freely towards a defoaming element.
• an object of the present invention is to provide an ironing apparatus that overcomes these disadvantages.
• the subject of the invention is a steam ironing apparatus comprising a boiling chamber for the production of steam integrated in a water tank, said boiling chamber being in direct communication with the water tank being supplied with gravity water by means of at least one feed channel extending from the reservoir, said boiling chamber having a heating body and a steam outlet through which the vapor can escape freely in the direction of an ironing member, such as a steam brush, the tank having a filling orifice in the upper part of the tank, characterized in that said steam outlet orifice is in direct communication with a cord connected to the scrubbing member so that the steam produced by the boiling chamber is not diffused into the chamber of the tank.
• the anti-crease device is connected to the steam outlet orifice by a bead of EPDM material.
• the boiling chamber is connected to the tank by means of several feed channels.
• the supply channels each have a passage section of less than 15 mm 2 .
• the supply channels extend over a length greater than 3 cm.
• the feed channels have a first end opening into the tank and a second end opening into the boiling chamber, the first end opening into the tank at a level lower than the second end. debouching in the boiling chamber.
• the first end of the feed channels opens into a recess in the bottom of the tank.
• the heating body comprises a wall extending in front of the end of the supply channels to form a barrier limiting the backflow of water towards the reservoir.
• the boiling chamber is in communication with the reservoir by the only supply channels.
• the boiling chamber is integrated in the tank.
• the heating body comprises a heating resistor extending horizontally in the bottom of the boiling chamber.
• the heating resistor is in heat conduction with a wall extending vertically inside the boiling chamber.
• the boiling chamber has a restricted volume relative to the volume of the tank.
• FIG. 2 is an exploded perspective view of the apparatus of FIG. 1;
• FIG. 3 is a longitudinal sectional view of the apparatus of Figure 1;
• FIG. 4 is a perspective view of the part defining the feed channels of the boiling chamber of the apparatus of FIG. 1;
• FIG. 5 is a cross-sectional view along the line V-V of Figure 3;
• FIG. 6 is an enlarged cross-sectional view along the line VI-VI of Figure 3;
• FIG. 7 is a perspective view of the connector shown alone.
• FIG. 1 represents a steam ironing apparatus comprising a base 1 for generating steam connected by a bead 2 to a steaming brush 3.
• the base 1 is constituted by the assembly of a base 10, a part 11 and a cover 12, these three elements 10, 11, 12 being secured to one another, for example by gluing or by means of screws, the cover 12 having a handle 120 for transporting the apparatus.
• the base 10 has an oblong outer shape and supports a heating body 4, preferably aluminum, disposed near a longitudinal end of the base 10, the heating body 4 enclosing a resistor 40 in the form of a U conventionally fed by a circuit provided with a thermostat, not shown in the figures.
• the base 10 also supports a switch 5, actuated by a button 50, to interrupt the power supply of the resistor 40.
• the part 11, which is attached to the base 10, defines the side walls and bottom of a water tank 110 and has an outer clip 113 for hooking the wrinkle brush 3 during storage of the apparatus.
• the part 11 also comprises a bell 6 integrated in the wall defining the bottom of the tank 110, the bell 6 having a shape adapted so that its lower end bears against a seal
• the bell 6 thus defines a substantially closed boiling chamber 60, of restricted volume, extending above the heating body 4 and protruding in the middle of the water tank 110, the resistance 40 extending preferably horizontally at the bottom of the boiling chamber 60.
• the boiling chamber 60 communicates with the water tank 110 by a plurality of supply channels 70 providing, in parallel, the supply of water to the boiling chamber 60, these channels 70 having a first end 70A opening into the tank 110 and a second end 7OB opening into the boiling chamber 60 and thus establishing a direct communication between the tank 110 and the boiling chamber 60, this communication allowing the gradual transfer, by gravity, water tank 110 to the chamber
• These feed channels 70 are advantageously defined by an insert 7, shown alone in FIG. 4, comprising a series of ribs 71 parallel to one another, the insert 7 taking place in a housing adapted from the bottom of the housing.
• tank 110 placed upstream of an opening 61 formed at the base of the bell 6.
• the feed channels 70 advantageously extend over a lon greater than 30 mm and preferably on a length of the order of 50 mm.
• the insert 7 defines fourteen feed channels 70 with an average length of the order of 50 mm, each feed channel 70 having a square section of 2.5 mm side, the small section of passage of the feed channels 70, of the order of 6 mm 2 , having the advantage of limiting the introduction of steam bubbles into the feed channels 70.
• the length of the supply channels 70, as well as their small section, make it possible to adapt the pressure losses of the supply channels 70 to limit the phenomenon of hot water return to the tank 110 during operation of the heating body 4 , caused in particular by the slight overpressure generated by heating in the boiling chamber 60.
• the multiplication of the number of feed channels 70 makes it possible to maintain a passage section sufficient to obtain the desired water flow rate, between the tank 110 and the boiling chamber 60, to compensate for progressive evaporation. water in the boiling chamber 60. This avoids the appearance of steam holes that can occur when the boiling chamber 60 is insufficiently supplied with water due to the countercurrent circulation of hot water to the tank 110 or the presence of vapor bubbles in the supply circuit.
• the insert 7 has a bent portion 7A so that the end 70A of the channels opens into a recess 111 of the tank 110 and is lower than the end 7OB opening into the boiling chamber 60, the difference in height between the two ends 7OA, 7OB of the channels being advantageously greater than 5 mm and preferably of the order of 8 mm.
• the heating body 4 comprises a ring 41 extending vertically above the resistor 40, at a height of the order 8 mm, to increase the surface ensuring a heat exchange with the water present in the boiling chamber 60.
• the ring 41 has an open end allowing the free flow of water between the inside and the outside of the ring 41, and the heating body comprises a wall 42 extending vertically in front of this open end, at a distance of about 5 mm from the end 70A of the feed channels 70 of the boiling chamber 60, the wall 42 forming a barrier limiting the emission of vapor bubbles towards the feed channels 70.
• the top of the bell 6 has a steam outlet orifice 62 which is connected, via a connector 8, directly to the supply cord 2 of the steam brush 3 so that the vapor produced by the boiling chamber 60 is sent to the cord 2 without being diffused into the chamber of the tank 110.
• the lid 12 closing the tank 110 comprises, at the opposite end of the cord outlet 2, a cavity 121 provided with a filling orifice 121 A opening directly into the chamber of the tank 110, the tank 110 advantageously comprising a float, not shown in the figures, sliding in a column 112 disposed under the orifice of filling 121 A to close it when the level in the tank 110 is at its maximum.
• Such a tank 110 can thus be filled at any time, even during operation of the apparatus, by pouring water through the filling orifice 121 A, the latter not requiring to be closed by a plug, since the absence of steam in the tank 110.
• the non-diffusion of steam through the chamber of the tank 110 prevents the steam produced in the boiling chamber 60 from cooling in contact with the water. water, before being diffused towards the cord 2. This makes it possible to limit the risks of formation of condensates inside the cord 2, these condensates having the disadvantage of forming drops that can be projected by the vapor stream through the steaming brush 3 with the disadvantage of wetting the laundry and the risk of burning the user.
• the latter is preferably made of EPDM (Ethylene Propylene Diene Monomer) so as to obtain good thermal insulation thus limiting the cooling of the steam during its course in the cord 2, the latter preferably having a longer length 1.50 m to allow greater ergonomics of use.
• EPDM Ethylene Propylene Diene Monomer
• the good thermal insulation provided by the EPDM material also has the advantage of reducing the surface temperature of the cord 2 during operation of the device and therefore the risk of burns by contact with the cord 2.
• the cover 12 comprises a connection sleeve 122 coming to the edge of the steam outlet orifice 62, the connecting sleeve 122 projecting outside the cover 12 in the middle of a circular housing 123 adapted to receive the connector 8 disposed at the end of the cord 2, the connector 8 having a circular section body allowing it to rotate 360 ° in the housing 123.
• the sealing of the latter is preferably carried out without using a seal but by a series of baffles.
• the connector 8 comprises a central bore into which the connection sleeve 122 carried by the cover 12 penetrates, the end of the connection sleeve 122 forming a rib 122A engaging in a groove 80 carried by a shoulder to the inside of the central bore of the connector 8, this groove 80 cooperating with the end of the connection sleeve 122 to form a first sealing barrier.
• the sealing of the connector 8 is also reinforced by the presence of two circular ribs 124, formed in the bottom of the housing 123, engaging in two circular grooves 81 carried by the lower face of the connector 8, the grooves 81 having a greater width , of the order of 0.5 mm, to the width of the ribs 124.
• the connector 8 is preferably mounted removably in the housing 123, the body of the connector 8 having a groove 82 on its outer surface in which is engaged the end of a latch 9 mounted pivoting at the edge of the housing 123.
• the latch 9 is returned to a locking position by an elastic wall 90, carried by the latch 9, bearing against an oblique wall 125 carried by the cover 12 to form biasing means.
• Such a latch 9 can be brought into an unlocking position by simply pressing on the upper surface 91 of the latch 9 so as to disengage the end of the latch 9 of the groove 82 of the connector, the latter can then be uncoupled from the sleeve 122 by raising it outside the housing 123.
• Such a steam ironing appliance thus has the advantage of allowing very rapid steam to be obtained when the appliance is switched on thanks to the presence of the boiling chamber. allowing to heat only a reduced volume of water compared to the volume of the tank.
• such an ironing apparatus in which the steam leaving the boiling chamber is sent directly into the power cord of the steam brush, without being diffused into the chamber of the tank has the advantage of allowing the introduction of high temperature steam into the bead, thus limiting the risk of occurrence of condensate, and provides a tank enclosure with no steam can be filled at any time by the user.

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• Health & Medical Sciences (AREA)
• Public Health (AREA)
• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Cookers (AREA)

Applications Claiming Priority (2)

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ID=38481533

Family Applications (1)

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Cited By (1)

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• 2007
  • 2007-02-12 FR FR0700985A patent/FR2912430B1/fr not_active Expired - Fee Related
• 2008
  • 2008-02-04 WO PCT/IB2008/000320 patent/WO2008099265A1/fr active Application Filing
  • 2008-02-04 EP EP08709806A patent/EP2115210A1/de not_active Withdrawn
  • 2008-02-04 US US12/526,891 patent/US8302334B2/en not_active Expired - Fee Related
  • 2008-02-04 CN CN2008800047034A patent/CN101611191B/zh active Active

Non-Patent Citations (1)

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