EP1369523B1 - Waschmaschine und Wäschetrockner - Google Patents

Waschmaschine und Wäschetrockner Download PDF

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Publication number
EP1369523B1
EP1369523B1 EP03076666A EP03076666A EP1369523B1 EP 1369523 B1 EP1369523 B1 EP 1369523B1 EP 03076666 A EP03076666 A EP 03076666A EP 03076666 A EP03076666 A EP 03076666A EP 1369523 B1 EP1369523 B1 EP 1369523B1
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EP
European Patent Office
Prior art keywords
basket
machine according
washing
cabinet
drying
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.)
Expired - Lifetime
Application number
EP03076666A
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English (en)
French (fr)
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EP1369523A1 (de
Inventor
Silvano Fumagalli
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Candy SpA
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Candy SpA
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Publication date
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Publication of EP1369523A1 publication Critical patent/EP1369523A1/de
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Publication of EP1369523B1 publication Critical patent/EP1369523B1/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
    • D06F29/00—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
    • D06F29/005—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus the other separate apparatus being a drying appliance
    • 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
    • D06F29/00—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus

Definitions

  • the present invention refers to a laundry washer and dryer machine.
  • Generally household laundry washer and dryer machines are known that are made up of a single tub and basket unit and that allow to carry out the washing and the drying of the laundry at subsequent times.
  • the washing basket has a containment capacity that does not allow the drying of the previously washed laundry in a single solution; therefore it is necessary to subdivide the washed laundry into parts in order to provide the drying of the single parts thus determining an excessive duration of the drying procedure and a greater consumption of electric power.
  • washer and dryer columns are known that are made up of two completely independent and separate machines, a dryer machine that is superimposed by means of an appropriate coupling frame onto a washing machine.
  • Such washer and dryer machine columns allow to wash and subsequently to dry the entire load of laundry in a single solution.
  • a laundry washer-dryer machine comprising, within a single cabinet structure, a drying device and a washing device provided with relative baskets to contain the laundry that are driven by a single motor.
  • the machine is provided with a single-piece unit that belongs to a drying air circuit and that can oscillate, around the loading opening of the dryer machine, between a position of engagement with and one of disengagement from the motor.
  • means for the transmission of the movement to the basket and to the drying fan means to carry out the oscillation of the unit and means that assure the transmission of the movement between the motor and the drying device.
  • washing-drying machine resides in its size in height that determine a difficult positioning in the rooms where they are utilised.
  • EP 747 523 discloses a machine according to the preamble of claim 1.
  • scope of the present invention is to provide a washing and drying machine that takes up less space than the known machines.
  • the present invention it is possible to provide a laundry washing dryer machine that in virtue of the smaller height than the known machines confers larger stability to the machine especially during the centrifugal stage of the washing device. Further, said laundry washer and dryer machine is also provided with a control device for the management of the washing and drying devices that allows to decrease the electric power consumption.
  • a laundry washer and dryer machine according to a first embodiment of the invention is shown.
  • Such machine comprises a cabinet 2 inside which, in the bottom part 5, a washing device 1 comprising a traditional type washing tub 3 that contains a basket 4 revolving about a horizontal axis and with front loading is housed.
  • the basket 4 is driven by an electric motor 14 arranged in proximity of the bottom 150 and of a side wall 151 ( Figure 4).
  • the angle a created between the vertical axis P and the straight line connecting the centres of the washing tub 3 and of the electric motor 14 is preferably of 27°.
  • the tub 3 is elastically supported in the cabinet 1 and is provided with counterweights 160 and 161 arranged respectively in adjacent way to the cylindrical side surface of the top part 163 of the tub 3 and in adjacent way to the cylindrical side surface of the bottom part 164 of the same tub 3 ( Figure 5).
  • the washing tub 3 is provided with a detergent charging device 600 traditionally positioned on the front wall of the cabinet 2 and other devices for the discharge of detergents and of the washing liquid that are part of a traditional washing machine.
  • a detergent charging device 601 can be located in the door assigned to close the opening of the basket 4 of the washing device 1.
  • a device 7 for the drying of the laundry is housed that is provided with a basket 8 revolving around a horizontal axis as well.
  • Said basket 8 is supported, in a known way, both in the back wall 9 of the cabinet 2 by means of supporting means 10 as well as in the front wall 11 of cabinet 2 where it is provided with an opening 12 for the loading of the laundry to be dried.
  • the basket 8 can preferably have a size larger than the basket 4 since it does not have to be subject to the centrifugal action.
  • the drying device 7 is provided with a motor 15 for the operation of the basket 8 that is arranged on an angular support 13 on top of the washing tub 3 and in proximity of side wall 151 of the cabinet 2.
  • the angle ⁇ thus formed between the vertical axis P and the straight line connecting the centres of the drying basket 8 and of the electric motor 15 is preferably of approximately 45°.
  • a circuit 20 for the drying of the laundry in the basket 8 is shown; said circuit comprises air inlets 21 arranged on the back wall 9 of the cabinet 2, electric resistors 22 arranged in proximity of the basket 8 and the motorised fan 18 housed in a back zone of the cabinet 2, in proximity of the bottom part of the basket 8, and arranged on an angular support 27 in proximity of a wall 152 of the cabinet 2.
  • the motorised fan 18 is suitable to the intake of air through the inlets 21, to the circulation of the same air heated by the resistors 22 inside the basket 8, to the outlet of the air through the fore central part 24 of the cabinet 2.
  • Said central part 24 is preferably provided with a filter 25 that is suitable to withhold possible filaments carried by the air that must get out of the basket 8.
  • the arrangement of the motor 15 on the angular support 13 and of the motorised fan 18 on the angular support 27 allows that distance DS between the upper end 170 of the washing tub 3 and the bottom end 171 of the drying basket 8 is minimum and certainly shorter than the distance between the bottom end 173 of the washing tub 3 and the bottom 150 of the cabinet 2, equal or shorter than 14 cm.
  • the position of the angular supports 13, 27 on the same horizontal line of the end 171 of the basket 8 allows to reduce the distance DS that is substantially equal to 4 cm. In this way the laundry washer and dryer machine has a height lower than known machines.
  • the size of the basket 8 larger than that of the basket 4 and the particular arrangement of the counterweights 160 and 161 allows the bearing of the oscillations due to the centrifugal stage to which the basket 4 is subject.
  • the height dimension H1 of 62,5 cm of the unit made up of the washing tub 3, the motor 14 and the counterweights 160, 161 and the height dimension H2 of 59, 5 cm of the unit made up of the drying basket 8, the motor 15 and the motorised fan 18 determines a total height H of cabinet 2 of 130 cm.
  • Two power supply lines L1 and L2 of the two devices 1 and 7 are provided that are connected with a single power supply line L connected with an external power network.
  • a panel 16 is housed containing the controls for the starting of the aforesaid devices.
  • control device 100 is also present that is suitable to manage said washing device 1 and said drying device 7, when they are both active, in order to maintain only one of them or both in function depending on whether the electric power consumption of both said devices is lower or higher than a predefined value.
  • the control device 100 shown in Figure 3, comprises a first sensor S1 arranged in proximity of the power supply line L1 of the washing device 1 so as to detect the consumption of energy of the same device 1, and a second sensor S2 arranged in proximity of the power supply line L2 of the drying device 7 so as to detect the consumption of energy of the same device 7.
  • An adder S provides to sum up the signals detected by the two sensors S1 and S2 and a signal A at the output of the adder S is then sent to a comparator COMP that is capable to compare said signal A with a reference signal B that is equivalent to the predefined electric power value.
  • the latter can preferably be set by a user by operating on an appropriate knob C present in the control panel 16. If the value of the signal A is higher than the value of the signal B a signal E in output of the comparator controls the turning off of one of the devices 1 and 7.
  • the device 1 or 7 to be turned off can be set from the outside by means of a button T, present in the control panel 15, that drives a commutator D located downstream of the comparator COMP and capable to commute the signal E either onto a switch LA or onto a switch AS.
  • a button T present in the control panel 15 that drives a commutator D located downstream of the comparator COMP and capable to commute the signal E either onto a switch LA or onto a switch AS.
  • Such switches AS and LA, located in the power supply lines L1 and L2 are generally close but get opened by means of the signal E.
  • FIGS. 6-9 a laundry washer and dryer machine according to a second embodiment of the invention is shown that differs from the machine of the first embodiment in the different drying system of the condensing closed circuit type.
  • Said system avails of a circuit 30 for the flow of warm air (heated by the resistors 22) by means of a motorised fan 31, a circuit 32 for the flow of cold air by means of a motorised fan 33, a heat exchanger 34 that is part of the circuit 30 and an expansion chamber 35 that is part of the circuit 32.
  • the warm air of the circuit 30 passes through the basket 8 and gets charged with humidity because of the presence of the humid laundry and passes through the heat exchanger 34 located inside the expansion chamber 35.
  • the cold air present in the circuit 32 passes on the outside of the warm air of the circuit 30 thus causing its condensation.
  • the motor fans 31 and 33 are located on the angular support 27 of the cabinet 2 whereas the motor 15 for the operation of the basket 8 is positioned on the angular support 13.
  • the water droplets produced by the condensation can be collected by means of a system for the collection of the water ( Figure 6) comprising a tray 40, arranged in a way adjacent to the bottom part of the basket 8 and in which the droplets of decalcified water are collected, and a pump 41 capable to send the water present in the tray 40 through a duct 43 into a collection tank 42.
  • the system for the collection of water comprises a duct 501 between the tub 42 and the detergent charging device 600 or 601; the flow of water is adjusted by means of a valve 500 activated by an external control.
  • the decalcified water being collected allows a decrease in the consumption of water and a reduction in the consumption of detergent more effective with the decalcified water.
  • the system for the collection of water comprises a sensor capable to signal if the quantity of water in the tub 3 reaches a predetermined level and in this case to activate the backflow of water to the tank 42 by means of the safety duct 503.
  • the ducts 501 and 503 are indicatively arranged outside of the cabinet 2 in order to better describe the aforesaid water collection system, however they must be normally considered as located inside the cabinet 2.
  • the tank 42 for the collection of the water and the heat exchanger 34 can be easily removed from their housings for their maintenance since they are arranged in proximity of the top 300 of the cabinet 2.
  • the heat exchanger 34 has a triangular shape for the easy location in an upper angular position in the cabinet 2 between the wall 151 and the top 300 of the cabinet 2.
  • the water produced due to the condensation can be sent by means of transport means 50 towards the washing device 1 in which it is used for the various washing stages ( Figure 7).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Claims (15)

  1. Wäsche-Wasch- und -Trocknungsmaschine mit einer Waschvorrichtung (1) und einer Trocknungsvorrichtung (7), die in einem einzigen Schrank (2) angeordnet sind, in dem die Trocknungsvorrichtung (7) über der Waschvorrichtung (1) angeordnet ist, wobei die Waschvorrichtung (1) einen Waschbehälter (3) umfasst, in dem eine erste Trommel (4) untergebracht ist, die sich zur Aufnahme der zu waschenden Wäsche eignet, und wobei die Trocknungsvorrichtung (7) eine zweite Trommel (8), die sich zur Aufnahme der zu trocknenden Wäsche eignet, und mindestens ein motorisiertes Gebläse (18; 31, 33) und Widerstände (22) zur Zirkulation von geeigneter Warmluft zum Trocknen der in der Trommel (8) enthaltenden Wäsche umfasst, wobei die Wäsche-Wasch- und -Trocknungsmaschine zwei Motoren (14, 15) zur Bewegung der ersten Trommel (4) und der zweiten Trommel (8) umfasst, wobei der Motor (15) zur Bewegung der zweiten Trommel (8) und das mindestens eine motorisierte Gebläse (18; 31, 33) so auf dem Waschbehälter (3) angeordnet sind, dass der Abstand (DS) zwischen dem oberen Ende (170) des Waschbehälters (3) und dem unteren Ende (171) der Trocknungstrommel (8) kürzer ist als der Abstand zwischen dem unteren Ende (173) der Waschtrommel (3) und dem Boden (150) des Schranks (2), dadurch gekennzeichnet, dass der Motor (15) für die Bewegung der zweiten Trommel (8) und das mindestens eine motorisierte Gebläse (18; 31, 33) in einem sich zwischen der zweiten Trommel (8) und dem Behälter (3) befindenden Raum des Schranks und auf jeweiligen winkelförmigen, sich neben den Seitenwänden (151, 152) des Schranks (2) befindenden Trägern (13, 27) des Schranks (2) angeordnet sind, und dass sie eine Steuervorrichtung (100) umfasst, die zur Steuerung der Waschvorrichtung (1) und der Trocknungsvorrichtung (7) geeignet ist, wenn beide aktiv sind, dass sie in Abhängigkeit davon, ob der Verbrauch des elektrischen Stroms beider Vorrichtungen (1, 7) niedriger oder höher als ein vorbestimmter Wert (B) ist, nur eine oder alle beide in Betrieb hält.
  2. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass der Abstand (DS) zwischen dem oberen Ende (170) des Waschbehälters (3) und dem unteren Ende (171) der Trocknungstrommel (8) im Wesentlichen 4 cm beträgt.
  3. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass sich der Motor (14) für die Bewegung der ersten Trommel (4) in der Nähe des Bodens (150) und einer Seitenwand (151) des Schranks (2) befindet, um einen Winkel (α) für die Bewegung der ersten Trommel (4) zwischen der vertikalen Achse (P) und der die Mitten des Waschbehälters (3) und des Motors (14) verbindenden Geraden zu bilden, der im Wesentlichen 27° beträgt.
  4. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass sie neben dem oberen Teil (163) und dem unteren Teil (164) des Waschbehälters (3) angeordnete Gegengewichte (160, 161) umfasst.
  5. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass sie ein Kondensationstrocknungssystem mit geschlossenem Kreislauf umfasst, wobei das System einen ersten Kreislauf (30) für den durch elektrische Widerstände (22) erwärmten Luftstrom mittels eines ersten motorisierten Gebläses (31), das ihn in die Trommel (8) der Trocknungsvorrichtung (7) führen kann, einen zweiten Kreislauf (32) für die Strömung von Kaltluft mittels eines zweiten motorisierten Gebläses (33), und einen einen Teil des ersten Kreislaufs (30) bildenden Wärmetauscher (34) aufweist, der die Warmluft, die die Trommel (8) durchströmt hat, aufnehmen kann und sich in einer Expansionskammer (35) befindet, die ein Teil eines zweiten Kreislaufs (32) ist, um die Kondensation der Warmluft des ersten Kreislaufs (30) zu bewirken, wobei sowohl das erste motorisierte Gebläse (31) als auch das zweite motorisierte Gebläse (33) auf den winkelförmigen Trägern (27) angeordnet sind.
  6. Maschine nach Anspruch 5, dadurch gekennzeichnet, dass sich der Wärmetauscher (34) in der Nähe des oberen Endes (300) des Schranks (2) befindet.
  7. Maschine nach Anspruch 6, dadurch gekennzeichnet, dass der Wärmetauscher (34) dreieckig ist.
  8. Maschine nach Anspruch 5, dadurch gekennzeichnet, dass sie Mittel (40 - 43) zum Auffangen des Kondensationswassers umfasst, wobei die Mittel (40 - 43) eine Schale (40) zum Auffangen des Kondensationswassers und eine Pumpe (41), die in der Schale (40) befindliches Wasser in einen sich im oberen Teil der Trocknungsvorrichtung (7) in der Nähe des oberen Endes (300) des Schranks (2) befindenden Tank (42) führen kann, umfassen.
  9. Maschine nach Anspruch 8, dadurch gekennzeichnet, dass sie ein Mittel (501) für das Leiten des Wassers aus dem Tank (42) zu einer Vorrichtung zum Laden von Waschmittel (600, 601) der Waschvorrichtung (1) und ein Mittel (500) zur Einstellung der geleiteten Strömung umfasst.
  10. Maschine nach Anspruch 9, dadurch gekennzeichnet, dass sie ein Mittel (503) für die Rückströmung des Wassers in den Tank (42) umfasst, wenn ein voreingestelltes Flüssigkeitsmengenniveau im Waschbehälter (3) erreicht ist.
  11. Maschine nach Anspruch 5, dadurch gekennzeichnet, dass sie ein Mittel (50) für den Transport des Kondensationswassers in die Waschvorrichtung (1) umfasst.
  12. Maschine nach Anspruch 1, bei der zwei Stromversorgungsleitungen (L1, L2) für die Waschvorrichtung (1) und für die Trocknungsvorrichtung (7) vorgesehen sind, dadurch gekennzeichnet, dass die Steuervorrichtung (100) Mittel (S1, S2) zur Erfassung des Verbrauchs des elektrischen Stroms der Waschvorrichtung (1) und der Trocknungsvorrichtung (7), einen Addierer (S) für das Signal am Ausgang der Mittel (S1, S2) und einen Komparator (COMP) zum Vergleichen des Werts des Signals (α) am Ausgang des Addierers (S) mit dem vordefinierten Wert der Schalter (LA, AS) für den elektrischen Strom (B) umfasst, die im Allgemeinen geschlossen sind und sich in den beiden Stromversorgungsleitungen (L1, L2) befinden, wobei einer der Schalter (LA, AS) mittels eines Signals (E) am Ausgang des Komparators (COMP) geöffnet werden kann, wenn der Wert des Signals (α) am Ausgang des Addierers (S) höher ist als der vordefinierte Wert (B) des elektrischen Stroms.
  13. Maschine nach Anspruch 12, dadurch gekennzeichnet, dass sie ein Mittel (C) zur Einstellung des vordefinierten Werts (B) des elektrischen Stroms bereitstellt.
  14. Maschine nach Anspruch 12, dadurch gekennzeichnet, dass sie Mittel (T, D) zum Auswählen des Schalters bereitstellt, der von dem Signal (E) am Ausgang des Komparators (COMP) betätigt werden soll.
  15. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass sie neben dem oberen Teil (163) und dem unteren Teil (164) des Waschbehälters (3) angeordnete Gegengewichte (160, 161) von im Wesentlichen 13 kg und 15 kg umfasst und dass die zweite Trommel (8) einen Durchmesser von im Wesentlichen 59 cm aufweist und die erste Trommel (4) einen Durchmesser von im Wesentlichen 45 cm aufweist, um eine Zentrifugalgeschwindigkeit von 1600 Umdrehungen/Minute zu gestatten.
EP03076666A 2002-06-03 2003-05-30 Waschmaschine und Wäschetrockner Expired - Lifetime EP1369523B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002MI001193A ITMI20021193A1 (it) 2002-06-03 2002-06-03 Macchina di lavaggio e di asciugatura
ITMI20021193 2002-06-03

Publications (2)

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EP1369523A1 EP1369523A1 (de) 2003-12-10
EP1369523B1 true EP1369523B1 (de) 2006-06-28

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EP03076666A Expired - Lifetime EP1369523B1 (de) 2002-06-03 2003-05-30 Waschmaschine und Wäschetrockner

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EP (1) EP1369523B1 (de)
DE (1) DE60306458T2 (de)
IT (1) ITMI20021193A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017003167A1 (en) * 2015-06-30 2017-01-05 Lg Electronics Inc. Laundry treating apparatus

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* Cited by examiner, † Cited by third party
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KR101041904B1 (ko) 2004-06-04 2011-06-15 주식회사 대우일렉트로닉스 건조장치가 구비된 드럼 세탁기용 받침대
RU2407830C1 (ru) * 2007-01-10 2010-12-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Машина для обработки белья
EP2063012B1 (de) 2007-11-21 2013-09-18 LG Electronics Inc. Waschmaschine
EP2063014B1 (de) 2007-11-21 2013-09-18 LG Electronics Inc. Waschmaschine
EP2063013B1 (de) 2007-11-21 2013-09-18 LG Electronics Inc. Waschmaschine
DE102008006111A1 (de) * 2008-01-25 2009-07-30 BSH Bosch und Siemens Hausgeräte GmbH Hausgerätekombination mit mindestens zwei Hausgeräten sowie Verfahren zu ihrem Betrieb
DE102008054821B3 (de) * 2008-12-17 2010-03-18 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit Venturipumpe am Wasserzufuhrstrang
CN110485106B (zh) * 2019-08-13 2021-11-19 无锡小天鹅电器有限公司 洗烘一体机
EP3872248A1 (de) * 2020-02-26 2021-09-01 LG Electronics Inc. Stapelartige wäschebehandlungsvorrichtung

Citations (1)

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Publication number Priority date Publication date Assignee Title
GB1274143A (en) * 1969-03-25 1972-05-10 Crolls Sa Improvements in washing machines

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GB817788A (en) * 1956-09-11 1959-08-06 Westinghouse Electric Int Co Improvements in or relating to domestic laundry apparatus
DE1186413B (de) * 1963-09-21 1965-01-28 Bosch Gmbh Robert Waschmaschine mit Schleudergang
GB2214279B (en) * 1988-01-13 1991-09-11 Creda Ltd Tumble driers
DE4023846C2 (de) * 1990-07-27 1998-09-10 Aeg Hausgeraete Gmbh Steuereinheit für eine Waschmaschine und einen Trommelwäschetrockner
EP0747523B1 (de) * 1995-06-10 1999-04-28 Miele & Cie. GmbH & Co. Wäschebehandlungsgerät zum Waschen und Trocknen von Wäsche
IT1308701B1 (it) * 1999-02-16 2002-01-10 Iar Siltal Spa Macchina di lavaggio combinata

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
GB1274143A (en) * 1969-03-25 1972-05-10 Crolls Sa Improvements in washing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017003167A1 (en) * 2015-06-30 2017-01-05 Lg Electronics Inc. Laundry treating apparatus

Also Published As

Publication number Publication date
DE60306458D1 (de) 2006-08-10
DE60306458T2 (de) 2007-02-01
ITMI20021193A1 (it) 2003-12-03
EP1369523A1 (de) 2003-12-10
ITMI20021193A0 (it) 2002-06-03

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