EP1637058B1 - Machine à laver la vaisselle - Google Patents

Machine à laver la vaisselle Download PDF

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Publication number
EP1637058B1
EP1637058B1 EP05018980.2A EP05018980A EP1637058B1 EP 1637058 B1 EP1637058 B1 EP 1637058B1 EP 05018980 A EP05018980 A EP 05018980A EP 1637058 B1 EP1637058 B1 EP 1637058B1
Authority
EP
European Patent Office
Prior art keywords
water
tableware
treatment station
water treatment
recirculation
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 - Fee Related
Application number
EP05018980.2A
Other languages
German (de)
English (en)
Other versions
EP1637058A2 (fr
EP1637058A3 (fr
Inventor
Jürgen Litterst
Dieter Kaiser
Udo Erb
Dietrich Berner
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.)
Premark FEG LLC
Original Assignee
Premark FEG LLC
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
Publication date
Application filed by Premark FEG LLC filed Critical Premark FEG LLC
Publication of EP1637058A2 publication Critical patent/EP1637058A2/fr
Publication of EP1637058A3 publication Critical patent/EP1637058A3/fr
Application granted granted Critical
Publication of EP1637058B1 publication Critical patent/EP1637058B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
    • A47L15/247—Details specific to conveyor-type machines, e.g. curtains
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
    • A47L15/241—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors the dishes moving in a horizontal plane

Definitions

  • the invention relates to a dishwashing machine, comprising at least one conveyor dishwasher, preferably a conveyor dishwasher or a basket conveyor dishwasher, according to the preamble of claim 1.
  • Such a dishwasher is from the DE 198 36 739 A1 known.
  • Prior art conveyor dishwashers include a dishwashing apparatus and recirculation circuits having elements for heating and / or purifying water and / or mixing different water streams to thereby refresh more polluted water with less polluted water.
  • a dishwasher shows the publication of a summary "Abstract of Invention" of the Russian patent RU 2 150 228 C1 ,
  • conveyor ware washer There are two types of conveyor ware washer.
  • the one type are tape washers (flight-type goods washers), in which the conveyor belt has holding elements for holding the dishes to be cleaned.
  • the other type are rack-conveyor ware washers, in which a transport mechanism transports baskets containing the dishes.
  • the conveyor belt or the transport mechanism is provided with a plurality of intermediate spaces or passage openings through which water sprayed onto the dishes can drain downwards.
  • Dishwashers are not only suitable for cleaning dishes in the form of plates, cups and bowls, but also for cleaning dishes in the form of spoons, knives and forks and for cleaning trays and for cleaning other objects used in catering establishments, especially in hotels , Restaurants and canteens.
  • the term "crockery" is used to represent all objects which can be cleaned by a dishwasher in order to simplify the description of the invention.
  • the object of the invention is to solve the problem of designing a dishwashing machine which contains at least one conveyor dishwasher in such a way that the cleaning operation of the dishes becomes more independent of the provision of water for the cleaning process.
  • the water may be treated separately from the dishwashing apparatus, for example, cleaned, heated, pumped and / or altered by mixing different quality water and / or by mixing water with other liquids or additives.
  • Another advantage of the invention is that all maintenance-intensive parts are no longer located in the dishwashing device, but separately in the water treatment station, which provides the water for the dishwashing. Thereby, cleaning work, maintenance, inspection and repair work at the water treatment station can be carried out without disturbing the cleaning operation in the dishwashing apparatus and without disturbing persons who use the dishwashing apparatus.
  • the water treatment station is arranged at least one floor lower than the at least one dish-washing device. This has the advantage that water sprayed in the dishwashing device can flow back by gravity into the water treatment station without the need for pumps.
  • the water treatment station is arranged on the same floor as the at least one dishwashing apparatus. This has the advantage that the invention is also applicable if only one floor is available.
  • the water treatment station is preferably arranged in a different space than the at least one dish-washing device.
  • the water treatment station is located on a different floor or on the same floor in a different room than the at least one dishwashing device, there is the advantage that only the dishwashing device for use by a plurality of people optically high quality must be performed while the water treatment station , which is a maintenance-intensive machine part, is not visible to the public and can be designed as a machine room expedient.
  • a preferred embodiment of the invention comprises a dirt discharge device for the continuous discharge of dirt from the water.
  • the water treatment station preferably contains a sieve device and / or a membrane filter device.
  • the dishwashing device contains a plurality, for example two, rinsing zones, the water treatment station having a screening device for the first rinsing zone and a membrane filter device for the second rinsing zone.
  • the screening device comprises a rotating screen cylinder, through which the water is passed, and it is a solids discharge device for discharging of solids (dirt) from the water inside the screen cylinder.
  • the water treatment station includes a number of operating pumps or groups of operating pumps corresponding to the number of recirculating circuits whose suction side is in each case fluidly connected to the water outlet side of the water treatment station for conveying water from the water treatment station to the dishwashing device.
  • these pumps are arranged spatially separated from the at least one dishwashing device on the same floor as the water treatment station. Pumps are among the high-maintenance components. Their maintenance and replacement can therefore be carried out without disturbing the dishwashing device.
  • a reserve pump of the operating pump or the operating pump group is connected in parallel, which can be optionally switched.
  • each of them spatially separate dishwashing devices are connected to the water treatment station, which form with this single water treatment station one of the number of dishwashing devices same number of transport dishwashers.
  • at least one of the recirculation circuits is formed, in which water is recirculated from the water treatment station to the respective dishwashing apparatus and then recirculated, and each recirculation circuit in the respective dishwashing apparatus has spray nozzles for spraying water onto the dishes and at least one water discharge opening for recirculating sprayed water to the water station.
  • a reserve pump is connected in parallel to such an operating pump group, which can be optionally switched on. This has the advantage that only a single standby pump is required for any number of conveyor dishwashers, and all conveyor dishwashers remain fully functional if one operating pump of the operating pump group fails.
  • the water treatment station described below may be configured in various ways for one or more or all of the functions described below, such as, in particular, cleaning of the effluent from the at least one dishwashing device by filtering, screening, flushing and / or mechanically discharging solids and other impurities from the device Water and / or partial removal of dirty water and / or diluting dirty water with fresh water or with less contaminated, already used water, and / or heating the water before it is recirculated from the water treatment station to the dishwashing device.
  • the treatment of the water can also consist of having a pump arrangement with a plurality of pumps for distributing the water to a plurality of dishwashing devices and / or to different cleaning zones and / or different flushing zones of one or more
  • FIG. 1 shows a dishwasher with a dishwashing device 2 and with a spatially separate water treatment station 4.
  • the water treatment station 4 is preferably at least one floor below the dishwashing device 2 is arranged. As a result, water can drain from the dishwashing apparatus 2 to the water treatment station 4 by gravity without the need for a pump.
  • the floors can be separated by a building ceiling 6 or an intermediate floor.
  • the dishwashing device 2 and the water treatment station 4 together form a conveyor dishwasher (conveyor ware washer) in the form of a rack conveyor machine (rack-conveyor ware washer) or preferably accordingly FIG. 1 in the form of a tape-washing machine (flight-type goods washer).
  • zones 8 to 16 are nozzles for spraying water on the dishes, for example, above the conveyor belt 18 in the cleaning zones 8, 10 and 12 upper spray nozzles 20 and in the rinse zones 14 and 16 upper spray nozzles 21, 22, 23, and between upper run 24 and lower run 26 of the conveyor belt 18 arranged lower nozzles 28 in the cleaning zones 8, 10 and 12, and lower nozzles 29, 30, 31 in the rinse zones 14 and 16th
  • each of the zones there is a water collecting floor 32, each having at least one water discharge opening 34 in each of the cleaning zones 8, 10 and 12 and having a water discharge opening 36 in the first rinse zone 14, to which the sprayed rinse water from both rinse zones 14 and 16 is inclined Zone bottom drains off by gravity.
  • All of the aforementioned nozzles in the cleaning zones 8, 10 and 12 and in the rinse zones 14 and 16 direct the water sprayed by them against the dishes to be cleaned or rinsed.
  • a fresh water supply line 40 for fresh water, preferably heated fresh water, can accordingly FIG. 1 into one of the two rinse zones 14, 16, preferably into the first rinse zone 14, or into a rinse water return line 42 connected to the water discharge opening 36 of this first rinse zone 14, or into a first rinse water storage tank 44.
  • a valve arrangement 46 arranged in the fresh water supply line 40 may be located at the location of the dishwashing device 2 or preferably at the location of the water treatment station 4.
  • a water supply 48 for the supply of demineralized water includes a valve assembly 50 and is connected to a heat exchange line 51 which extends through the upper spray nozzles 21, 22, 23 through both rinsing zones 14 and 16 so that the demineralized water flowing through it is heated by the water vapor rising in the rinsing zones 14 and 16.
  • the demineralized water flows to the heat exchanger conduit 51 through a heater 52 in the form of an electric heater or a heat exchanger (also called "booster") and is heated therein before being discharged from the lower and upper spray nozzles 31 and 23 of the second (last) rinse zone 16 is sprayed on the cleaned dishes.
  • a second rinse water storage tank 56 receives by gravity (or a pump) via a membrane filter 58 rinse water from the first rinse water storage tank 44.
  • the second rinse water storage tank 56 has a water overflow 60, from which overflowing water through an overflow pipe 63 in the first
  • Rinse water storage tank 44 can flow back.
  • a first rinse water pump assembly 62 is connected in the water treatment station 4 with its suction side to a water outlet 64 of the first rinse water storage tank 44 and connected with its pressure side to the upstream beginning of a flow line 66, the downstream end of the first in the transport direction 65 of the harness lower and upper spray nozzles 29 and 21 of the first rinse zone 14 is connected.
  • the first rinse water pump assembly 62 preferably consists of a working pump 67, which has a sufficient for the promotion of the rinse water through the flow line 66 delivery capacity, and a parallel connected and optionally switchable reserve pump 68, which also one for the promotion of the rinse water through the flow line 66 has sufficient delivery capacity and thereby completely take over their function in case of failure of the operating pump 67.
  • a second flow line 70 is connected at its upstream start to the pressure side of a second rinse water pump assembly 72 whose suction side is connected to an outlet 74 of the second rinse water storage tank 56.
  • the second supply line 70 is connected at its downstream end via a heater 76 to the lower 30 and the upper 22 spray nozzles, which are arranged in the crockery transport direction 65 between the first and last spray nozzles 21, 29, 23 and 31 of the two rinse zones 14 and 16.
  • the heater 76 may be a heat exchanger or electric heater (booster).
  • the two heaters 52 and 76 of the two rinse zones 14 and 16 are preferably arranged in the dishwashing device 2 to avoid heat losses, but according to another embodiment may also be arranged in the water treatment station 4.
  • the second rinse water pump assembly 72 may consist of a single pump, but consists according to the preferred embodiment of a working pump 77 and a parallel connected to them backup pump 78, which latter is optionally switchable when the operating pump 77 fails due to defect or maintenance.
  • the operation pump 77 and the reserve pump 78 each have a capacity sufficient for the conveyance of the purge water.
  • the first rinse water storage tank 44 preferably has a water overflow 80, from which water can flow through an overflow pipe 83 into a second cleaning water storage tank 84.
  • the second cleaning water storage tank 84 fresh water, preferably hot water, via a valve assembly 86 and a fresh water supply line 88 are supplied.
  • An outlet 90 of the second scrubbing water storage tank 84 is connected via a second scrubbing water pump assembly 92 to the upstream end of a flow line 94, which branches to a branch 96 via parallel flow lines 98-1, 98-2, 98-3 and 98-4 is fluidly connected to the upper and lower spray nozzles 20 and 28 of the cleaning zones 10 and 12.
  • the branch 96 of the feed line 94 could be arranged directly in the water treatment station 4 instead of in the dishwashing apparatus 2 on the pressure side of the second cleaning water pump assembly 92.
  • the second cleaning water storage tank 84 has a water overflow device 120 from which water from the second cleaning water storage tank 84 can flow via an overflow pipe 122 into a first cleaning water storage tank 124 provided with an overflow device 130, through which water passes through an overflow pipe 132 can drain.
  • the first cleaning water storage tank 124 is preferably provided with a drainage drain 134.
  • the first cleaning water storage tank 124 fresh water, preferably hot water, via a valve assembly 136 of a fresh water supply line 138 are supplied.
  • An output 140 of the first cleaning water storage tank 124 is connected via a first cleaning water pump assembly 142 to the upstream end of a feed line 146 which is split at a branch point 148 onto two parallel feed line branches 146-1 and 146-2 which are adjacent to the upper one Spray nozzles 20 and the lower spray nozzles 28 of the first cleaning zone 8 are connected.
  • the branch point 148 may be correspondingly FIG. 1 in the dishwashing device 2 or according to an embodiment not shown in the water treatment station 4 on the pressure side of the first cleaning water pump assembly 142 may be arranged.
  • the first cleaning water pump assembly 142 preferably consists of an operating pump 152 and a parallel connected to them and optionally switchable reserve pump 154. Both pumps 152 and 154 are designed to convey the cleaning water into the first cleaning zone 8 required delivery capacity, so that in case of failure In case of a defect or during maintenance work, the reserve pump 154 can be switched on instead of the operating pump 152, so that even in such a case the cleaning operation in the cleaning zone 8 can be maintained unchanged.
  • the water discharge opening 34 of the first cleaning zone 8 is fluidly connected via a return line 172 with a first screening device 170 connected.
  • the cleaning water purified by the first sieving device 170 flows into the first cleaning water storage tank 124.
  • the Wasserab technologicalö réelleen 34 of the second and the third cleaning zone 10 and 12 are each connected via a return line 160 or 162, which may be connected to a common return line 164 together, with a second screening device 170 fluidly connected, with contaminants are held by the screen and the cleaning water after the sieve device flows into the second cleaning water storage tank 84.
  • the sieve devices 170 and 174 are preferably rotary sieve devices which have a rotating screen cylinder 176 and 178, respectively, in whose interior the cleaning water of the return line 172 or 164 is directed. Cleaning water of the cleaning water pipe 108 is guided from outside to inside through the screen cylinders 176 and 178, respectively.
  • a conveying element preferably a screw 180 or 182 for discontinuous or preferably continuous discharge of solids from the cleaning water, which is located in the screen cylinder.
  • the discharged solid is in FIG. 1 denoted by 184 and 186 and shown schematically by an arrow.
  • the following recirculation circuits include: a first recirculation circuit, in which the supply line 146 and the supply line sections 146-1, 146-2, further the return line 172, the first sieve device 170, the first cleaning water storage tank 124 and the first cleaning water pump assembly 142 are integrated. Further, a second recirculation circuit is provided, which the supply lines or feed line branches 94, 98-1, 98-2, 98-3, 98-4, the return lines 160, 162, 164, the second screening device 174, the second Cleaning water storage tank 84, and the second cleaning water pump assembly 92 includes.
  • a third recirculation circuit contains the supply line 66, the return line 42, the first rinse water storage tank 44 and the first rinse water pump assembly 62.
  • the last in the transport direction 65 of the harness fourth, recirculation circuit includes the supply line 70, in turn, the return line 42 and turn the first Rinse water storage tank 44, the membrane filter 58, the second rinse water storage tank 56, and the second rinse water pump assembly 72.
  • a particular advantage of the invention is that not only a dishwashing device 2 can be connected to the water treatment station 4, but that two or more dishwashing devices 2 can be connected to the single water treatment station 4. This can be done via additional flow lines and return lines, which are connected to the described storage tanks 124, 84, 44 and 56 and / or to the described screening devices 170 and 174 in terms of flow, or via parallel branches of the described flow lines and the described return lines, using the For this purpose, only valves or other shut-off elements 202, 204, 206, 208, 210, 212, 214, 216, 218 or 220 are required in the flow lines or the parallel branches. Each of these dishwashing devices 2 together with the common water treatment station 4 forms its own conveyor dishwashing machine.
  • the water treatment station 4 for each dishwashing device 2 has its own pump or pump group corresponding to the described pump arrangements 72, 62, 92 and 142.
  • the invention particularly relates to commercial dishwashers.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (11)

  1. Installation de lave-vaisselle, comportant au moins un lave-vaisselle à transport, de préférence un lave-vaisselle à bande ou un lave-vaisselle à transport à panier, l'au moins un lave-vaisselle à transport étant divisé en un dispositif de lavage de vaisselle (2) et un poste de traitement d'eau (4), et au moins un circuit de recirculation (146, 172 ; 94, 164 ; 66, 42 ; 70) étant formé, dans lequel de l'eau est recirculée à partir du poste de traitement d'eau (4) jusqu'au dispositif de lavage de vaisselle (2) et inversement, le circuit de recirculation dans le dispositif de lavage de vaisselle (2) comprenant des buses de pulvérisation (20, 28, 21, 22, 23, 29, 30, 31) pour pulvériser de l'eau sur la vaisselle et au moins une ouverture d'évacuation d'eau (34, 36) pour la recirculation d'eau pulvérisée jusqu'au poste de traitement d'eau (4),
    caractérisée en ce que
    le poste de traitement d'eau (4) est disposé de manière séparée spatialement du dispositif de lavage de vaisselle (2), et en ce que le poste de traitement d'eau (4) comprend au moins un dispositif de purification d'eau (170 ; 124 ; 174, 84 ; 64, 58, 56), lequel est intégré respectivement dans au moins l'un des circuits de recirculation (146, 172 ; 94, 164 ; 66, 42 ; 70).
  2. Installation de lave-vaisselle selon la revendication 1,
    caractérisée en ce que
    le poste de traitement d'eau (4) est disposé au moins un étage plus bas que le dispositif de lavage de vaisselle (2).
  3. Installation de lave-vaisselle selon la revendication 1,
    caractérisée en ce que
    le poste de traitement d'eau (4) est disposé sur le même étage que le dispositif de lavage de vaisselle (2).
  4. Installation de lave-vaisselle selon la revendication 1,
    caractérisée en ce que
    le dispositif de purification d'eau comprend au moins un dispositif de tamisage (170 ; 174) et/ou au moins un dispositif de filtrage (58) pour purifier l'eau.
  5. Installation de lave-vaisselle selon la revendication 4,
    caractérisée en ce que
    le dispositif de tamisage (170, 174) comprend un tamis cylindrique rotatif (176, 178), à travers lequel l'eau est guidée, et un dispositif d'évacuation de matières solides (180, 182) pour l'évacuation de matières solides de l'eau dans l'espace intérieur du tamis cylindrique.
  6. Installation de lave-vaisselle selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce que
    le poste de traitement d'eau (4) comprend au moins un réservoir de stockage d'eau (124, 84, 44, 56), lequel est intégré respectivement dans l'un des circuits de recirculation et comprend une entrée d'eau de recirculation et une sortie d'eau de recirculation.
  7. Installation de lave-vaisselle selon la revendication 6,
    caractérisée en ce que
    le réservoir de stockage d'eau (124 ; 84 ; 44) comprend un dispositif de chauffage (190) pour chauffer l'eau.
  8. Installation de lave-vaisselle selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce que,
    dans le poste de traitement d'eau (4), au moins une pompe de service ou un groupe de pompes de service (152 ; 102 ; 104 ; 67 ; 77) est intégré(e) dans les circuits de recirculation pour refouler de l'eau à partir du poste de traitement d'eau (4) jusqu'au dispositif de lavage de vaisselle (2).
  9. Installation de lave-vaisselle selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce que
    le dispositif de lavage de vaisselle (2) comprend plusieurs zones (8, 10, 12, 14, 16), auxquelles est respectivement associé un autre des circuits de recirculation.
  10. Installation de lave-vaisselle selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce que
    le dispositif de lavage de vaisselle (2) comprend au moins deux zones, et en ce qu'au moins l'un des circuits de recirculation (94, 164) comprend des branches parallèles (160, 162, 98-1 à 98-4), parmi lesquelles une branche parallèle est associée à l'une des zones (10, 12) et une autre branche parallèle est associée à une autre des zones (10, 12) du dispositif de lavage de vaisselle (2).
  11. Installation de lave-vaisselle selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce que
    plusieurs dispositifs de lavage de vaisselle (2) sont raccordés au poste de traitement d'eau (4), lesquels sont respectivement disposés de manière séparée spatialement du poste de traitement d'eau (4) et forment, conjointement avec ce même poste de traitement d'eau (4), un nombre de lave-vaisselle à transport égal au nombre des dispositifs de lavage de vaisselle (2), au moins l'un des circuits de recirculation (146, 172 ; 94, 164 ; 66, 42 ; 70) ou un circuit de recirculation parallèle (146, 146-1, 146-2 ; 94, 164 ; 98-1 à 98-4, 160, 162 ; 66, 70, 42) étant formé entre chacun des dispositifs de lavage de vaisselle et le poste de traitement d'eau, dans lequel de l'eau est recirculée à partir du poste de traitement d'eau jusqu'au dispositif de lavage de vaisselle concerné et inversement, et chaque circuit de recirculation ou circuit de recirculation parallèle comprenant, dans le dispositif de lavage de vaisselle concerné, des buses de pulvérisation (20, 28, 21, 22, 23, 29, 30, 31) pour pulvériser de l'eau sur la vaisselle et au moins une ouverture d'évacuation d'eau (34, 36) pour la recirculation d'eau pulvérisée jusqu'au poste de traitement d'eau (4).
EP05018980.2A 2004-09-18 2005-09-01 Machine à laver la vaisselle Expired - Fee Related EP1637058B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004045445A DE102004045445A1 (de) 2004-09-18 2004-09-18 Geschirrspülanlage

Publications (3)

Publication Number Publication Date
EP1637058A2 EP1637058A2 (fr) 2006-03-22
EP1637058A3 EP1637058A3 (fr) 2009-11-25
EP1637058B1 true EP1637058B1 (fr) 2014-11-19

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EP05018980.2A Expired - Fee Related EP1637058B1 (fr) 2004-09-18 2005-09-01 Machine à laver la vaisselle
EP05019186A Expired - Fee Related EP1637059B1 (fr) 2004-09-18 2005-09-03 Installation de lave-vaiselle

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Application Number Title Priority Date Filing Date
EP05019186A Expired - Fee Related EP1637059B1 (fr) 2004-09-18 2005-09-03 Installation de lave-vaiselle

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US (2) US20060060230A1 (fr)
EP (2) EP1637058B1 (fr)
DE (2) DE102004045445A1 (fr)

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US10722095B1 (en) 2013-12-05 2020-07-28 Chris Gilreath Water conserving cleaning system, apparatus and method
CN104941939A (zh) * 2015-05-25 2015-09-30 浙江明泉工业涂装有限公司 节水型涂装前处理清洗装置
CN104959337A (zh) * 2015-05-25 2015-10-07 浙江明泉工业涂装有限公司 涂装工件逆回流清洗方法
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KR20210158771A (ko) 2020-06-24 2021-12-31 엘지전자 주식회사 슈즈 케어 장치 및 방법

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US20060060231A1 (en) 2006-03-23
US7481231B2 (en) 2009-01-27
DE102004045445A1 (de) 2006-03-23
EP1637058A2 (fr) 2006-03-22
EP1637059A2 (fr) 2006-03-22
EP1637059B1 (fr) 2009-08-05
US20060060230A1 (en) 2006-03-23
DE502005007831D1 (de) 2009-09-17
EP1637058A3 (fr) 2009-11-25
EP1637059A3 (fr) 2008-07-23

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