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
  • D06F75/10—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
  • D06F75/08—Hand irons internally heated by electricity
  • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B3/00—Ohmic-resistance heating
  • H05B3/40—Heating elements having the shape of rods or tubes
  • H05B3/42—Heating elements having the shape of rods or tubes non-flexible

Definitions

• the present invention relates to the field of irons comprising a plane ironing sole, a heating body comprising a lower face in thermal contact with the sole and an upper face at which a vaporization chamber is formed.
• the invention relates more particularly to an iron comprising means for injecting water into the vaporization chamber comprising at least two injection orifices simultaneously injecting water on two different evaporation zones of a bottom wall of the vaporization chamber when the soleplate of the iron is arranged horizontally.
• an iron comprising a plane ironing sole surmounted by a heating body having an upper face provided with a vaporization chamber, the iron having three injection ports simultaneously injecting water into three distinct zones of the vaporization chamber.
• Such a construction makes it possible to better distribute the water on the surface of the bottom wall of the vaporization chamber when the iron is held horizontally, which improves the evaporation.
• the construction of the spray chamber presented in this document has the disadvantage of being particularly bulky so that it can not be used on a compact iron, travel iron type.
• the water injected through the orifices can escape directly through passage openings provided at the top of the walls effecting the separation between the different vaporization zones, so that Water can escape through the steam outlet holes without being sprayed.
• the following invention aims to overcome these drawbacks by providing in particular an iron with a vaporization chamber having a particularly compact construction and that ensures perfect evaporation of the water injected into the vaporization chamber whatever the orientation, horizontal or vertical, given to the soleplate of the iron.
• an iron having a plane ironing sole, a heating body comprising a lower face in thermal contact with the sole and an upper face at which a vaporization chamber is formed, and means for injecting water into the vaporization chamber comprising at least two injection orifices simultaneously injecting water on two distinct evaporation zones of a bottom wall of the vaporization chamber when the sole of the iron ironing is arranged horizontally, the vaporization chamber being bordered laterally by a lateral wall extending from the bottom wall to a closure lid attached to the heating body, the side wall having at least one passage establishing a communication between the vaporization chamber and a steam distribution circuit leading to at least one steam outlet orifice formed in the characterized in that the passage is provided at a longitudinal end of the vaporization chamber and in that the vaporization chamber has a separating wall extending from the two evaporation zones to the passageway for partitioning. between the two zones of evaporation.
• the partition wall thus formed has the advantage of extending over the entire height of the vaporization chamber, from the bottom wall to the closure cap, and over the entire length of the vaporization chamber, from both evaporation zones to the passage of communication formed in the side wall, so that the water injected into any one of the two evaporation zones can not be transferred directly by gravity into the other of the two zones of evaporation when the sole of the iron is oriented horizontally or vertically.
• the side wall and the partition wall have a shape adapted so that the water injected by one of the two injection ports falls by gravity on the partition wall while the water injected by the other injection port falls by gravity onto the side wall when the soleplate of the iron is arranged vertically in any angular orientation.
• This feature optimizes the vaporization of the water injected into the steam chamber when the iron is held vertically, regardless of its angular orientation in the vertical plane. Indeed, the water injected into the vaporization chamber is then distributed equitably between the surfaces of the side wall and the surfaces of the partition wall, each of these surfaces then acting as a vaporization surface.
• the heating body comprises at least one electric heating resistor and preferably two electric heating resistors.
• the iron comprises a first U-shaped electric heating resistor comprising two branches extending at the periphery of the heating body and a second U-shaped electric heating resistor extending between the branches of the first electric heating resistor.
• the power of the first electric heating resistor is of the order of 900W and the power of the second electric heating resistor is of the order of 550W.
• the partition wall extends above or along an electric heating resistor.
• Such a characteristic makes it possible to obtain an excellent thermal transfer between the heating resistor and the partition wall so that the surfaces of the separation wall can quickly vaporize any droplet of water coming into contact with them.
• the vaporization chamber has a generally U-shaped shape and comprises a central part where the water is injected by the injection orifices and two longitudinal ends where a passage establishing communication with the steam distribution circuit.
• the heating body comprises a thermostatic device which is disposed outside the vaporization chamber, in a location between the U-shaped branches of the vaporization chamber.
• the partition wall has a generally U-shaped shape and is disposed substantially midway between a first part of the U-shaped side wall which delimits the front part of the chamber. and a second part of the side wall, also U-shaped, which delimits the rear part of the vaporization chamber.
• the distribution circuit comprises a U-shaped channel laterally surrounding the vaporization chamber, the channel comprising a front end comprising an opening passing through the heating body and opening on the lower face of the heating body.
• the steam distribution circuit comprises a diffusion chamber formed on the lower face of the heating body, the diffusion chamber comprising a rib, coming into contact with the soleplate, which channels the steam towards the back of the heating body and the force to be walked along the side edge of the heating body before exiting through the sole outlet steam outlet.
• the sole has a pointed front end.
• the side wall and the partition wall have a shape adapted so that the total surface of the side wall and the partition wall on which the water injected by the two orifices injection falls by gravity when the iron is held vertically is substantially equal to the surface of the bottom wall on which the water falls by gravity when the iron is held horizontally.
• Such a feature provides a vaporization chamber providing substantially equivalent performance when the iron is held horizontally or vertically.
• the iron comprises a housing comprising a gripping handle disposed cantilever with respect to the sole, the gripping handle comprising a free rear end supporting a power cord.
• Such a feature has the advantage of providing the iron a great maneuverability, whether it is used horizontally or vertically.
• the invention also relates to an apparatus comprising an iron as previously described and a base connected by a cord to the iron, characterized in that the base comprises a water tank and an electric pump for sending water from the tank to the injection ports of the iron.
• FIG. 1 is a perspective view of an iron according to a particular embodiment of the invention.
• FIG. 2 is a perspective view of the heating body and the sole equipping the iron of Figure 1;
• FIG. 3 is a perspective view from above of the heating body of Figure 2 without its closure plate;
• FIG. 4 is a view from above of the heating body of FIG. 3;
• FIG. 5 is an exploded perspective view of the heating body and sole of FIG. Only the elements necessary for the understanding of the invention have been represented. To facilitate the reading of the drawings, the same elements bear the same references from one figure to another.
• FIG. 1 represents an iron 1 comprising a flat soleplate 2 provided with steam outlet holes 20, the soleplate 2 being surmounted by a plastic housing 10 comprising a gripping handle 11 arranged cantilevered relative to the rear end of the sole 2, the handle 1 1 comprising a free rear end connected by a cord 3 to a base (not shown in the figure) enclosing a reservoir.
• the sole 2 is made of stainless steel and has a pointed front end disposed opposite the grip 1 1, and a rounded rear end having a greater width, the sole 2 having reduced dimensions providing a large Handling on an iron 1.
• the sole 2 has a length less than 15 cm, and advantageously of the order of 14 cm, and a width of less than 10 cm and preferably of the order of 8 cm, the handle 1 1 laterally projecting on a length of about 12 cm.
• the casing 10 of the iron 1 encloses a heating body 4 which is in thermal contact with the soleplate 2, the heating body 4 comprising a foundry 40, advantageously made of aluminum, which comprises an upper surface where a peripheral wall 41 is vertically protruding over a height of the order of 14 mm.
• the heating body 4 also comprises a closure cover 5, visible in Figure 2, which comes to rest on the peripheral wall 41 being sealingly connected thereto.
• the peripheral wall 41 and the closure cover 5 define a volume in which are provided an instantaneous vaporization chamber 6, the outline of which is shown in dotted lines in FIG. 4, and a steam distribution circuit connecting the vaporization chamber 6 to the steam outlet holes 20 of the sole 2.
• the peripheral wall 41 comprises two lateral portions 41A which extend along the edges of the lateral edges of the heating body 4, and comprises a rounded front portion 41B, arranged slightly set back from a front tip of the foundry 40 coming into contact with the pointed front end of the sole 2, and a rear portion 41 C comprising two flat side portions disposed on either side of a central portion in the form of horseshoe, extending towards the front of the heating body 4.
• the heating body 4 contains a first electric heating resistor 7 and a second heating resistor 8, each comprising two connection ends opening near the rear end of the heating body 4, outside the volume defined by the peripheral wall 41.
• the first heating resistor 7 has a generally U-shaped shape and extends along the lateral portions 41 A and before 41 B of the peripheral wall 41. This first heating resistor 7 advantageously has a power of the order of 925W.
• the second electric heating resistor 8 has a generally U-shaped shape, of reduced size relative to that of the first heating resistor 7, the second heating resistor 8 extending inside the branches of the first heating resistor 7 being disposed substantially parallel to the latter.
• the second heating resistor 8 advantageously has a power of the order of 545W.
• the vaporization chamber 6 is formed in the central portion of the heating body 4 and comprises a bottom wall 60 at which two separate evaporation zones 61, 62 are separated from one another by a separation wall. 42, the vaporization chamber 6 being bordered by a side wall 43 extending from the bottom wall 60 to the closure cap 5.
• the side wall 43 of the vaporization chamber 6 comprises a first U-shaped portion 43A which delimits the front part of the vaporization chamber 6 and which is advantageously arranged in the area of the bottom wall 60 extending between the first and second chambers. and second heating resistors 7, 8.
• the side wall 43 of the vaporization chamber 6 also comprises a second U-shaped portion 43B which delimits the rear part of the vaporization chamber 6, this second part 43B being included between the branches of the U of the first part 43A of the Lateral wall 43.
• the second portion 43B of the side wall 43 of the vaporization chamber 6 extends along the edge of the second resistor 8, inside the latter, and is constituted by a portion of the rear portion 41 C of the peripheral wall 41, such a construction for obtaining an extremely compact heating body 4.
• the first and second resistors are regulated by means of a thermostat, not illustrated in the figures, arranged in a location 9 formed between the U-shaped legs of the second part 43B of the side wall 43, the thermostat making it possible to maintain the vaporization chamber 6 around a set temperature of the order of 150 ° C preferentially not adjustable by the user.
• the passage section of the vaporization chamber 6 decreases progressively from its central portion to passages 63 formed at the two longitudinal ends of the vaporization chamber 6 where the steam is released into the distribution circuit, the distance between the first part 43A and second part 43B of the side wall 43 being of the order of 2.5 cm at the central part and gradually decreasing to a distance of about 1 cm at the passages 63.
• the partition wall 42 extends substantially midway between the first and second parts 43A, 43B of the side wall 43 of the vaporization chamber 6 and extends beyond the passages 63 following the curvature of the rear portion. 41 C of the peripheral wall 41.
• This partition wall follows the U-shaped path of the second heating resistor 8, being disposed above the latter, so as to be maintained at high temperature by the heat released by the second heating resistor 8.
• the vaporization chamber 6 thus produced has a generally U-shaped shape, centered on the longitudinal axis of the heating body 4, which communicates with the vapor distribution circuit through the passages 63 formed at its two longitudinal ends, the steam distribution circuit having a channel 44 in the form of U with branches extending around the perimeter of the vaporization chamber 6.
• the channel 44 comprises two rear ends communicating with the passages 63 formed at the longitudinal ends of the vaporization chamber 6 and has a front end comprising an opening 45 passing through the bottom wall 60 to establish communication with a diffusion chamber 46 steam formed on the underside of the heating body 4.
• the vapor diffusion chamber 46 extends substantially over the entire surface of the lower face of the heating body 4 and has a U-shaped rib 47 which follows the inner contour of the first heating resistor 7.
• the rib 47 comes into contact with the sole 2 when the latter is assembled on the heating body 4 and thus contributes to the heat transfer of the heating body 4 to the sole 2, the temperature of the sole 2 being advantageously maintained below 135 ° C during the operation of the iron 1 because of heat losses between the vaporization chamber 6 and the sole 2.
• the rib 47 thus produced channels the steam towards the rear of the heating body 4 and forces the steam to run along the lateral edge of the heating body 4, that is to say under the first heating resistor 7, before being able to escape through the steam outlet holes 20, the latter opening in two grooves 48 arranged in V on the front part of the sole 2.
• the vaporization chamber 6 is supplied with water by two distinct injection orifices 51, 52 formed in the closure lid 5, the two injection orifices 51, 52 being arranged on the longitudinal axis of the heating body 4 and opening respectively vertically to the two evaporation zones 61, 62 of the vaporization chamber 6 when the sole 2 of the iron 1 is disposed horizontally.
• These two injection orifices 51, 52 are supplied with water by means of a pump, not shown in the figures, which is integrated in the base and whose operation is controlled by a trigger 12 disposed under the front end of the handle 1 1, the pump advantageously having a flow rate of about 25 gr / min when the trigger 12 is actuated.
• the iron 1 thus produced has the advantage of having a great compactness while integrating a vaporization chamber 6 allowing a large flow of steam, of the order of 25 gr / min, and this regardless of the vertical orientation or horizontal of the sole 2.
• the water injected by the pump through the two injection orifices 51, 52 is projected onto the two evaporation zones 61, 62 of the bottom wall 60, when the iron 1 is held horizontally, either on the side wall 43 and the partition wall 42 when the iron 1 is held vertically.
• the surface of the bottom wall 60 which defines the two evaporation zones 61, 62 has the advantage of being disposed in the immediate vicinity of the heating resistors 7, 8 so that these two evaporation zones 61, 62 are permanently maintained at an elevated temperature ensuring a high vaporization of the water injected through the injection orifices 51, 52 when the iron 1 is disposed horizontally.
• the water injected by the two injection orifices 51, 52 is sent on two separate walls, constituted by the side wall 43 of the vaporization chamber 6 and by the wall separation 42 regardless of the orientation given to the front tip of the sole 2 of the iron 1.
• the water injected by the two injection orifices 51, 52 comes into contact with the two distinct walls 42, 43 which are arranged in close proximity to the first and second heating resistors 7, 8 so that these two walls 42, 43 are permanently maintained at an elevated temperature ensuring an immediate vaporization of the water injected through the injection orifices 51, 52 when the iron 1 is arranged vertically.
• the shape and orientation of the side wall 43 and the wall of separation 42 prevent the water injected through the injection ports 51, 52 out directly through the opening 45 without coming into contact with the walls 42, 43 superheated so that there is no risk that the water injected through the orifices flows directly through the opening 45 without coming into contact with one of the side walls 43 or separation 42 of the vaporization chamber 6.
• any droplets of water that would be carried away by the vapor stream outside the vaporization chamber 6 are progressively vaporized when they successively run in the channel 44 of the distribution circuit arranged above the first resistance. heating 7 and then in the steam diffusion chamber 46 formed under the heating body 4.
• the surface of the side walls and / or separation on which the water from the injection orifices 51, 52 is sprayed when the sole 2 of the iron 1 is oriented vertically corresponds substantially at the surface of the evaporation zones 61, 62 of the bottom wall 60 on which the water issuing from the injection orifices 51, 52 is sprayed when the sole 2 of the iron 1 is oriented horizontally, so that the vaporization chamber 6 produces substantially the same flow of steam that the iron 1 is used horizontally or vertically.
• the iron may comprise even more zones of evaporation separated from each other. others by partition walls and fed by at least one dedicated injection port.
• injection ports may be replaced by nozzles for spraying a water mist in the vaporization chamber to further promote the rate of evaporation.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Irons (AREA)
• Devices For Medical Bathing And Washing (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=54293127

Family Applications (2)

Family Applications Before (1)

Country Status (6)

Families Citing this family (7)

Family Cites Families (16)

• 2015
  • 2015-10-12 EP EP15189437.5A patent/EP3156538B1/de not_active Not-in-force
  • 2015-10-12 ES ES15189437.5T patent/ES2686712T3/es active Active
• 2016
  • 2016-10-10 CA CA2996346A patent/CA2996346C/fr active Active
  • 2016-10-10 US US15/767,028 patent/US10385503B2/en active Active
  • 2016-10-10 ES ES16778420T patent/ES2753610T3/es active Active
  • 2016-10-10 CN CN201680059527.9A patent/CN108350642B/zh active Active
  • 2016-10-10 WO PCT/EP2016/074245 patent/WO2017064013A1/fr active Application Filing
  • 2016-10-10 EP EP16778420.6A patent/EP3362598B1/de active Active

Also Published As

Similar Documents

Legal Events