EP3402919B1 - Vorrichtung zum mangeln von wäschestücken - Google Patents

Vorrichtung zum mangeln von wäschestücken Download PDF

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Publication number
EP3402919B1
EP3402919B1 EP16793756.4A EP16793756A EP3402919B1 EP 3402919 B1 EP3402919 B1 EP 3402919B1 EP 16793756 A EP16793756 A EP 16793756A EP 3402919 B1 EP3402919 B1 EP 3402919B1
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EP
European Patent Office
Prior art keywords
mangle
heating
cavity
boiler
mangle body
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.)
Active
Application number
EP16793756.4A
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German (de)
English (en)
French (fr)
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EP3402919A1 (de
Inventor
Wilhelm Bringewatt
Engelbert Heinz
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.)
Herbert Kannegiesser GmbH and Co
Original Assignee
Herbert Kannegiesser GmbH and Co
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
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Application filed by Herbert Kannegiesser GmbH and Co filed Critical Herbert Kannegiesser GmbH and Co
Publication of EP3402919A1 publication Critical patent/EP3402919A1/de
Application granted granted Critical
Publication of EP3402919B1 publication Critical patent/EP3402919B1/de
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    • 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
    • D06F45/00—Wringing machines with two or more co-operating rollers; Similar cold-smoothing apparatus
    • D06F45/12—Wringing machines with two or more co-operating rollers; Similar cold-smoothing apparatus combined with washing machines
    • 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
    • D06F69/00—Ironing machines not otherwise provided for
    • D06F69/02—Ironing machines not otherwise provided for using endless or other ironing or pressing belts or aprons
    • 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
    • D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00
    • D06F67/02—Rollers; Heating arrangements therefor

Definitions

  • the invention relates to a device for ironing laundry items according to the preamble of claim 1.
  • the mangling of all types of laundry is carried out particularly in commercial laundries using different devices. These are trough ironers or belt ironers.
  • the invention relates to band ironing.
  • known devices of this type the items of laundry to be missing are moved along the stationary ironer body by the rotatingly driven ironer belt.
  • the items of laundry are transported by the ironer belt along the outer surface of the ironer body, which serves as a flattening surface.
  • belt mangles with a single mangle body known, but also those with several successive mangle bodies, whereby either each mangle body is assigned its own mangle band or all mangle bodies are assigned a common mangle band.
  • the items of laundry to be missing must be able to be supplied with heat from the flattening surface of the respective ironer body.
  • the flattening surface of the respective ironer body must be heatable. This happens at the from the EP 2 857 577 A1 known strip mangle by heating an outer surface of the stationary, double-walled mangle body which forms the flattening surface.
  • the mangle body of this known device has at least one cavity between the outer lateral surface forming the flattening surface and an inner wall. There is a cavity in this at least one cavity of the double-walled ironing body Heat transfer medium. This can be heated by a heating unit, which is housed in a space-saving manner in the interior of the ironer body.
  • the invention is based on the object of creating a device for ironing items of laundry which ensures simple and effective heating of the flattening surface of the at least one ironing body.
  • a device for solving this problem has the features of claim 1.
  • this device it is provided to arrange at least one heating device for heating the heat transfer medium completely or partially inside the at least one stationary ironing body.
  • the flattening surface can be effectively heated by the heat transfer medium of the at least one double-walled ironing body.
  • targeted heating of the flattening surface by the heat transfer medium is possible in at least one double-walled ironing body.
  • the heat transfer medium in the double-walled lateral surface of the respective ironer body can be heated efficiently by the heating device, which is arranged at least partially inside the or each ironer body. It is intended to design the interior of the at least one preferably stationary ironing body as at least one heating boiler.
  • the interior of the at least one deficiency body is closed in a gas- and pressure-tight and/or pressure-tight manner.
  • the energy required to heat the flattening surface of the same is provided and/or generated in the radiator-like interior of the respective ironing body.
  • the configurations mentioned result in a particularly compact and energy-efficient device.
  • At least one radiator forming at least part of the heating device is provided inside the at least one deficiency body.
  • the at least one radiator can be arranged in the interior of the boiler and/or in the gas-tight and/or pressure-tight part of the interior of the at least one ironer body.
  • the radiator is preferably a radiant heater.
  • Such a radiant heater can be designed to generate infrared rays (IR rays), which heats the interior of the at least one deficiency body, in particular the interior of the radiator arranged therein, by radiation.
  • gas enclosed in the interior of the respective deficiency body, in particular the radiator is heated by at least one radiator, preferably the at least one radiant heater, preferably by heat radiation.
  • At least one burner forming the heating device or part of it in the outline of the at least one ironer body.
  • the at least one burner is arranged on the outside of the boiler, with the burner introducing the energy it generates directly into the boiler.
  • the at least one burner and the boiler are arranged in the outline or inside of the respective ironer body.
  • a boiler room of the boiler to be provided with separate heating chambers.
  • the individual heating chambers can therefore be heated individually.
  • the at least one radiator or radiant heater is arranged in only a single heating chamber, preferably only a first heating chamber.
  • the gas, preferably air, warmed up by this radiator or radiant heater is then used to successively heat several or all of the following heating chambers. In this way, individual heating of the entire flattening surface of the or each ironer body of the belt ironer can be carried out according to the needs.
  • the multiple heating chambers in the respective ironer body are preferably separated from one another by at least one airtight and/or pressure-tight partition in the boiler. In this way, the individual heating chambers can be easily formed in the ironer body or the interior of the same heating boiler.
  • the single heating chamber or - in the case of several successive heating chambers - the last heating chamber with a derivation for the Example: gas, including flue gas.
  • the derivation is preferably one for cooled gas, including Flue gas from the interior of the respective iron body, especially the boiler.
  • a separating web or a separating strip is provided in the cavity of the double-walled jacket of the at least one ironer body.
  • the separating web or separating strip forms a gas-tight and pressure-tight seal in the cavity, which means that it does not circulate continuously in the double-walled jacket.
  • the separating web or the separating strip delimit a beginning and an end of the cavity.
  • the at least one cavity in the double-walled jacket of the at least one deficiency body is preferably provided with at least one guide web, in particular several guide webs.
  • the guide web or guide webs are designed so that they create at least one serpentine flow channel for the heat transfer medium in the double-walled jacket of the at least one deficiency body inside the cavity.
  • the heat transfer medium heated by the heat energy generated inside the respective ironing body, in particular in the boiler can flow in alternating directions in a serpentine or meandering manner through the double-walled jacket of the respective ironing body in the double-walled jacket of at least one ironing body.
  • At least one circulation pump can be provided to circulate the liquid heat exchanger or heat transfer medium through the at least one flow channel of the double-walled jacket of the respective mangle body.
  • the circulation can also occur thermally automatically due to gravity and/or due to the cooling of the heat transfer medium on the flattening surface and warming up on the inner lateral surface of the double-walled jacket of the respective ironer body.
  • the respective heating chamber can specifically heat a liquid heat transfer medium in the respective cavity of the double-walled jacket.
  • the heat transfer medium in the double-walled jacket is preferably a flowable medium, in particular a flowable heat transfer medium, such as a thermal oil or another heat transfer fluid that allows a high energy density.
  • the figures show a device designed as a belt ironer 10 for smoothing items of laundry.
  • the laundry items are not shown in the figures.
  • the items of laundry can be any items of laundry, both flat linen and shaped items.
  • the strip ironer 10 shown has a single, closed or drum-like ironer body 11.
  • the ironer body 11 shown in the figures is cylindrical. However, non-round defect bodies are also conceivable.
  • the ironer body 11 cannot be driven to rotate and is therefore constantly stationary.
  • An outer side of the ironer body 11 forms a continuous, stationary cylindrical flattening surface 12.
  • the items of laundry to be ironed or ironed are slid along the flattening surface 12.
  • the flattening surface 12 is included made smooth by polishing the steel, in particular stainless steel, from which the mangle body 11 is usually formed.
  • the stationary, stationary mangle body 11 is completely double-walled by an outer cylindrical mangle body wall 13 and an inner mangle body wall 14 which is smaller in diameter and arranged concentrically thereto. This creates a ring-like cavity 15 in the mangle body 11 between the mangle walls 13 and 14.
  • a liquid heat transfer medium for example a thermal oil.
  • the heat transfer medium preferably circulates in the cavity 15, for example by being pumped from one end of the cavity 15 to another end thereof by a pump or the like arranged outside the cavity 15, preferably in the same direction in which the laundry items are ironed slide along the flattening surface 12. This can be done continuously, so that the heat transfer medium or thermal oil flows continuously through the cavity 15 and is therefore constantly circulated within it.
  • the flattening surface 12 is located on the outside of the outer mangle body wall 13. From the inside of the inner mangle body wall 14, the heat transfer medium or thermal oil in the cavity 15 of the double-walled mangle body 11 is heated, in such a way that it always has a intended target temperature or in a target temperature range lies.
  • the cylindrical mangle body 11 of the band mangle 10 is assigned a single, circumferentially drivable and endless mangle band 16 on the outside.
  • the mangle band 16 is guided around a large part of the outer circumference, namely the flattening surface 12, of the cylindrical mangle body 11, namely by 250 ° to 340 °, preferably about 300 ° to 340 °. This creates a large flattening surface 12 of the ironing body 11.
  • the axes of rotation of the deflection drums 17 - 21 run parallel to a horizontal longitudinal central axis 22 of the stationary mangle body 11.
  • a deflection drum 17 arranged approximately above the uppermost point of the cylindrical mangle body 11 forms an inlet area 23 the belt mangle 10.
  • An adjacent deflection drum 18 forms an outlet area 24 of the belt mangle 10.
  • the two deflection drums 17 and 18 can be driven in rotation, at a speed that is predetermined and individually adjustable by a control (not shown).
  • the deflection drums 17, 18 are preferably always driven at the same speed.
  • the deflection drums 17 and 18 are driven in such a direction that the mangle belt 16 runs along the flattening surface 12 with a counterclockwise transport direction 25 from the inlet area 23 to the outlet area 24.
  • the deflection drums 19 and 20 are arranged on both sides below the ironer body 11. These are freely rotatable, with at least one of the deflection drums 18 and / or 19 being adjustable to change the tension of the endless mangle belt 16.
  • the fifth undriven deflection drum 21 is arranged laterally next to the mangle body 11, in such a way that it moves the mangle belt 16 laterally distracts from the deficiency body 11.
  • the mangle belt 16 is provided with an increased or higher coefficient of friction, at least on the side facing the flattening surface 12, in order to take the laundry items and transport them along the smooth, stationary flattening surface 12.
  • the surface of the mangle belt 16 can be roughened or roughened.
  • the ironer belt 16 lies against the flattening surface 12. If an item of laundry is transported along the stationary flattening surface 12 by the ironer belt 16, the ironer belt 16 is spaced from the flat surface 12 by the thickness of the item of laundry to form a ironer gap for the respective item of laundry between the ironer belt 16 and the flattening surface 12. This ironer gap is in the figures not shown because they do not show an item of laundry between the ironer belt 16 and the flattening surface 12.
  • At least the inlet area 23, and in the exemplary embodiment shown also the outlet area 24, is a smooth-surfaced flexible sheet or metal sheet a flexible, film-like strip of material, for example a Teflon sheet, is assigned.
  • this serves as an inlet aid and in the outlet area 24 as an outlet aid.
  • the items of laundry are guided between the inlet aid 26 and the ironer belt 16 around the deflection drum 17 into the ironer gap at the inlet area 23 of the belt ironer 10 on the section of the ironer belt 16 running back between the deflection drums 17 and 21.
  • the inlet aid 26 assigned to the deflection drum 17 ends shortly behind the deflection drum 17.
  • the respective item of laundry after leaving the inlet aid 26, passes between the flattening surface 12 of the ironer body 11 and the side of the ironer belt 16 facing this.
  • the outlet aid 27 guides the ironed item of laundry from the flat surface in order to remove the ironed item of laundry between the outlet aid 27 and the ironer belt 16 around an upper area of the deflection drum 18 from the outlet area 24.
  • the deflection drum 18 in the outlet area 24 is also assigned a blower 41 or alternatively compressed air nozzles to support the removal of the respective missing item of laundry from the deflection drum 18.
  • a brush roller (not shown) can be assigned in the outlet area 24 for wiping the ironed item of laundry from the flattening surface 12.
  • the belt ironer 10 is positioned between an input machine 28 and a folding machine 29.
  • the input machine 28 is used to feed missing items of laundry to the belt ironer 10.
  • the respective item of laundry is spread out by the input machine 28 and placed on a feed conveyor 30, which, in single-lane operation, feeds a single, spread-out item of laundry in a longitudinal or transverse direction to the ironer belt 16 of the belt ironer 10.
  • the input machine 28 operates in multiple lanes, several adjacent (smaller) items of laundry can be transported from the feed conveyor 30 in a longitudinal or transverse direction to the ironer conveyor 16 at the same time.
  • the respective spread-out item of laundry in the area of the deflection drum 21 is transferred to the strand of the ironer belt running back between the deflection drum 21 and the deflection drum 17 at the inlet area 23 16 is deposited and transported from the mangle belt 16 to the inlet area 23, in such a way that it is fed to the mangle gap of the belt mangle 10 between the inlet aid 26 and the mangle belt 16 in the inlet area 23.
  • the folding machine 29 follows the outlet area 24 of the belt ironer 10. From the outlet area 24, the ironed, smooth item of laundry reaches the folding area of the folding machine 29 via an inlet conveyor 31.
  • the tape ironer 10 does not necessarily have to be arranged between an input machine 28 and a folding machine 29. It is conceivable that there is no folding machine 29 behind the belt ironer 10. It is also conceivable to feed the missing laundry items to the belt ironer 10 in a different way than by means of an input machine 28.
  • the double-walled mangle body 11 is designed in a special way and/or preferably liquid or flowable heat transfer medium in the cavity 15 of the double-walled mangle body 11 can be heated.
  • a radiator 32 is provided in the space surrounded by the inner mangle body wall 14.
  • the space of the ironer body 11 surrounded by the inner ironer body wall 14 is at least partially designed as a heating boiler 32.
  • the entire inner space is designed as a heating boiler 32 in that opposite cylindrical end faces of the ironer body 11 are closed by end walls 33 and 34.
  • the end walls 33 and 34, together with the inner mangle body wall 14, form the gas-tight and pressure-resistant heating boiler 32 in the space inside the mangle body 11 surrounded by the double-walled jacket.
  • a heating device is used for this purpose, which is used in the exemplary embodiments Fig. 2 to 5 is formed from at least one burner 36 operated with fossil fuel, for example gas or oil, and a radiator 37. If necessary, the heating device can also only have at least one burner 36.
  • the burner 36 is arranged outside the boiler 32 by being attached to the outside of an end wall 33 of the ironer body 11.
  • the radiator 37 is located in the boiler 32.
  • the cylindrical or tube-like radiator 37 is located on the longitudinal central axis 22 of the mangle body 11.
  • the length of the radiator 37 is dimensioned such that it ends in the mangle body 11 at a distance in front of the end wall 34 of the boiler 32 opposite the burner 36.
  • the radiator 37 shown here is designed as a radiant heater, preferably an infrared heater.
  • the tubular radiator 37 has an elongated cylindrical mantle 38 with a grid-like and therefore air-permeable lateral surface.
  • the thermal energy of the flame or the flue gas introduced by the burner 36 into the cylindrical interior of the radiator 37 causes the grid-like or net-like lateral surface of the mantle 38 to glow, as a result of which the cylindrical lateral surface of the radiator 37 radiates infrared rays to the outside and thereby the interior 35 of the Boiler 32 heats up, in particular the air in the interior 35 of the airtight and pressure-tight boiler 32.
  • the thermal energy of the hot air generated in the heating boiler 32 of the interior of the mangle body 11 is transferred from the inside of the inner mangle body wall 14 by heat conduction to the outside of the inner mangle body wall 14 and thereby the liquid heat transfer medium, in particular thermal oil, is heated or heated in the cavity 15 of the double-walled mangle body 11. heated up.
  • the thermal oil or another heat transfer medium circulating in the cavity 15 of the double-walled mangle body 11 releases its heat energy to the outer mangle body wall 13 and thereby heats the outer flattening surface 12 of the mangle body 11.
  • the circulation of the heat transfer medium in the cavity 15 of the double-walled mangle body 11 causes the flattening surface 12 continuously heated.
  • the gas blown into the boiler 32 by the burner 36 which is at least largely flue gas, is, after the flue gas has cooled down when the radiator 37 is heated up, through a discharge opening 39 assigned to the end wall 33 with the burner 36 opposite the end wall 34 of the mangle body 11 from the boiler 32 brought out. In the exemplary embodiment shown, this happens through a chimney 40 assigned to the discharge opening 39.
  • the exhaust air or the flue gas from the boiler 32 can also be fed to a heat exchanger via the discharge opening 39 or derived in another way.
  • the tape ironer 10 of the exemplary embodiment Fig. 2 and 3 is designed with a single pull.
  • the entire interior 35 of the boiler 32 has a single cylindrical heating chamber.
  • the entire mangle body 11, and thus also the entire cylindrical flattening surface 12 of the band mangle 10 can be heated equally.
  • a separating web 42 and several guide webs 43, 44 are arranged in the cavity 15 of the double-walled ironer body 11.
  • the separating web 42 and the guide webs 43, 44 bridge the inside of the outer mangle body wall 13 and the inside of the inner mangle body wall 14 by being fastened between the mangle body walls 13 and 14.
  • the separating web 42 runs continuously in a gas-tight manner between the end walls 33 and 34 of the mangle body 11 in the boiler 32. As a result, the separating web 42 separates an initial region of the cavity 15, viewed in the circumferential direction of the mangle body 11, from the end region of the same.
  • the continuous separating web 42 is arranged between the deflection drums 17 and 18 in the upper lateral circumferential area of the ironer body 11, which is free from the ironer belt 16.
  • the separating web 42 is located in the transport direction 25 of the laundry items through the mangle gap, close behind the deflection drum 18 in the outlet area 24 of the belt mangle 10.
  • the initial area of the cavity 15 In this initial area, the heat transfer medium, in particular thermal oil, is initially heated, for example guided from the outside into the cavity 15 of the ironer body 11.
  • at least one supply connection for the heat transfer medium is assigned to the initial area of the cavity 15.
  • the end region of the cavity 15 Seen in the transport direction 25, the end region of the cavity 15 is located in front of the separating web 42.
  • heat transfer medium is led out of the cavity 15 through at least one discharge connection, not shown.
  • the at least one discharge connection leads via a corresponding line to at least one pump, which pumps heat transfer medium via an inlet line to the initial area of the cavity 15 in the double-walled ironer body 11. This pump creates a circulation of the heat transfer medium in the cavity 15 so that it can flow through the cavity 15.
  • the guide webs 43 extend from the end wall 33 of the mangle body 11 to just before the opposite end wall 34 of the mangle body 11.
  • the guide webs 44 extend from the end wall 34 to just before the end wall 33.
  • each is followed by a guide web 43 a guide web 44 in regular alternation.
  • This creates a serpentine, continuous flow channel in the cavity 15 of the double-walled mangle body 11, which, viewed in the transport direction 25, begins behind the continuous divider 42 and ends in front of the continuous divider 42.
  • the guide webs 43, 44 thus lead to a serpentine flow of the liquid heat transfer medium through the cavity 15, in alternating, opposite directions parallel to the longitudinal central axis 22 of the ironer body 11.
  • guide webs 43 and 44 are at a distance in front of the end wall 33 or 34 ends, a reversal of the flow direction of the heat transfer medium takes place in the cavity 15 of the double-walled ironer body 11.
  • three guide webs 43 and guide webs 44 are arranged alternately one after the other in the cavity 15. If necessary, the number of guide bars can be larger or smaller.
  • the Fig. 4 shows a second exemplary embodiment of the belt ironer 10, which differs from the previously described exemplary embodiment only in that the boiler 45 is designed with two passes inside the double-walled ironer body 11.
  • the heating boiler 45 is divided by a partition 46 into two separate heating chambers 47 and 48.
  • the heating chambers 47, 48 are designed to communicate with one another in fluid terms through at least one overflow channel in the partition 46, not shown in the figures.
  • this is Partition 46 is angled, namely by a bend on the longitudinal central axis 22 of the ironer body 11. The bend is such that the heating chamber 47 is slightly larger than the heating chamber 48.
  • the larger heating chamber 47 extends over a circumferential area of approximately 200 ° up to 220 ° of the mangle body 11.
  • a lower flat section of the partition 46 runs radially vertically downwards starting from the longitudinal central axis 22, while the other upper section of the partition 46 runs radially from the longitudinal central axis 22 to the area between the deflection drums 17 and 18 of the mangle body 11 .
  • the partition wall runs continuously between the opposite end walls 33, 34 of the ironer body 11 or the boiler 32 and is connected to it in a gas-tight manner. Longitudinal edges of the partition 46 that run parallel to the longitudinal central axis 22 are connected in a gas-tight manner to the inside of the inner wall 14 of the deficiency body.
  • the initial area of the cavity 15 is in the double-walled Lack body 11 seen in the transport direction 25 at the beginning of the larger heating chamber 47, while the end region of the cavity 15 is at the end of the smaller heating chamber 48.
  • Guide webs 43 and 44 are provided in the cavity 15 of the ironing body 11 Fig. 4 a continuous serpentine-like flow channel for the heat transfer medium, in particular thermal oil, is created.
  • the heating device is arranged off-center in the mangle body 11, namely at a parallel distance from the longitudinal central axis 22 in the larger heating chamber 47.
  • the burner 36 is therefore attached eccentrically outside the radiator 37 to the end wall 33 of the mangle body 11.
  • the longitudinal central axis of the tubular or hose-shaped mantle 38 is preferably used as a radiant heater formed radiator 37 at a parallel distance next to the longitudinal central axis 22 of the ironer body 11 in the larger heating chamber 47.
  • the liquid heat transfer medium which is passed behind the separating web 42 into the cavity 15 surrounding the larger heating chamber 47, as seen in the transport direction 25, is heated in the area of the larger heating chamber 47 by the gas heated by the radiator 37 in this larger heating chamber 47.
  • the greater heat energy is available in the larger heating chamber 47, where laundry to be smoothed from the inlet area 43 is transported along a larger part of the flattening surface 12 by the rotating mangle belt 16.
  • the rear part of the flattening surface 12 is heated from the heating chamber 48 by partially cooled hot air which flows into the heating chamber 48 through at least one corresponding opening through the lower, vertical section of the partition 46.
  • the air that is further cooled in the heating chamber 48 with the flue gas from the burner 36 passes through the discharge opening 39 in the end wall 34 of the ironer body 11 out of the smaller heating chamber 48, and preferably in turn into or through the chimney 40.
  • the cavity 15 for the heat transfer medium is not divided like the heating boiler 32, rather the heat transfer medium, which is supplied at the beginning of the larger heating chamber 47 behind the separating web 42, is released from the cavity at the end of the rear smaller heating chamber 48 in front of the separating web 42 15 is guided out in order to be reinserted by a pump in front of the separating web 42 into the cavity 15 of the double-walled ironer body 11. This creates a circuit of the liquid heat transfer medium in the cavity 15.
  • the Fig. 5 shows a further exemplary embodiment of the strip ironer 10, which differs from the previously explained exemplary embodiments of the strip ironer 10 only by a three-pass heating boiler 49 inside the ironer body 11.
  • the boiler 49 is divided into three gas-tight and pressure-stable heating chambers 54, 55 and 56 of the same size in the exemplary embodiment shown by a star-like partition 50 with three radial separating surfaces 51, 52 and 53 divided.
  • the three flat separating surfaces 51, 52 and 53 of equal size to form the partition 50 meet together on the longitudinal central axis 22 of the casing body 11. From there, the three separating surfaces 51, 52 and 53 run radially to the inner surface of the inner casing body wall 14, to which they are connected .
  • An outer longitudinal edge of the separating surface 51 at the beginning of the first heating chamber 54 in turn meets the separating web 42 in the cavity 15 of the double-walled jacket body 11. This point in turn lies between the inlet area 23 and the outlet area 24 of the strip ironer 10.
  • the angle in the transport direction 25 is 120 °
  • the second separating surface 52 offset from the separating surface 51 separates the first heating chamber 54 from the second heating chamber 55.
  • the third separating surface 53 which is offset by a further 120 °, separates the second heating chamber 55 from the third heating chamber 56.
  • the separating surfaces 52 and 53 between the first and second heating chambers 54, 55 and the second and third heating chambers 55, 56 each have at least one passage opening for hot air or hot gas from the first heating chamber 54 into the second heating chamber 55 or hot air or hot gas from the second heating chamber 55 into the third Heating chamber 56 provided.
  • the heating device is again assigned to the first heating chamber 54, as is the case with the two-pass tape ironer 10 Fig. 4 the case is.
  • the third and last heating chamber 56 in turn has a discharge opening 39 for cooled air from the heating boiler 49.
  • This is essentially cooled flue gas, which in the exemplary embodiment shown is led from the discharge opening 39 to a chimney 40.
  • the gas that has already initially cooled down in the first heating chamber 54 is only passed through the middle, second heating chamber 55 to the third heating chamber 56.
  • the gas or air is not treated in the heating chamber 55, namely neither heating nor dissipation.
  • the cavity 15 of the double-walled mangle body 11 is provided with a separating web 42 and several guide webs 43 and 44, as is the case with the belt mangles of the previously described exemplary embodiments.
  • the continuous separating web 42 is located at such a point in the cavity 15 on which the outer longitudinal edge of the separating surface 51 between the first heating chamber 54 and the last heating chamber 56 of the boiler 49 meets.
  • the liquid heat transfer medium circulated in the cavity 15 is introduced into the cavity 15 in the transport direction 25 of the laundry items through the mangle gap at the beginning of the first heating chamber 54, i.e.
  • the liquid heat transfer medium is also circulated outside the cavity 15 by means of at least one pump, the pump serving to generate the flow of the heat transfer medium through the cavity 15.
  • the above exemplary embodiments relate to belt ironers 10, each with a cylindrical ironer body 11.
  • the invention is also suitable for belt ironers with ironer bodies with a different cross-section, for example elliptical or oval ironer bodies.
  • the above exemplary embodiments show belt ironers 10 with a single ironer body 11.
  • the invention is also suitable for belt ironers with several consecutive ironer bodies, whereby each ironer body can be assigned its own ironer band, but also only a single ironer band can be assigned to all successive ironer bodies. Even in the case of belt ironers with several consecutive ironer bodies, these can have any cross-section, so they do not necessarily have to be cylindrical as shown in the figures. It is also conceivable, in the case of belt ironers with several consecutive ironer bodies, to design the ironer bodies differently, in particular to provide them with different sizes and/or different cross sections.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Advancing Webs (AREA)
EP16793756.4A 2016-01-14 2016-11-09 Vorrichtung zum mangeln von wäschestücken Active EP3402919B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016000226.3A DE102016000226A1 (de) 2016-01-14 2016-01-14 Vorrichtung zum Mangeln von Wäschestücken
PCT/EP2016/001849 WO2017121439A1 (de) 2016-01-14 2016-11-09 Vorrichtung zum mangeln von wäschestücken

Publications (2)

Publication Number Publication Date
EP3402919A1 EP3402919A1 (de) 2018-11-21
EP3402919B1 true EP3402919B1 (de) 2024-01-10

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EP16793756.4A Active EP3402919B1 (de) 2016-01-14 2016-11-09 Vorrichtung zum mangeln von wäschestücken

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US (1) US11105037B2 (da)
EP (1) EP3402919B1 (da)
DE (1) DE102016000226A1 (da)
DK (1) DK3402919T3 (da)
WO (1) WO2017121439A1 (da)

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DE102016000226A1 (de) 2017-07-20
DK3402919T3 (da) 2024-03-18
WO2017121439A1 (de) 2017-07-20
US11105037B2 (en) 2021-08-31
EP3402919A1 (de) 2018-11-21

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