EP1047825A1 - Part of a device consisting of a thin-walled sheet and stamping tool for producing a structural surface on the part of said device - Google Patents

Part of a device consisting of a thin-walled sheet and stamping tool for producing a structural surface on the part of said device

Info

Publication number
EP1047825A1
EP1047825A1 EP98966620A EP98966620A EP1047825A1 EP 1047825 A1 EP1047825 A1 EP 1047825A1 EP 98966620 A EP98966620 A EP 98966620A EP 98966620 A EP98966620 A EP 98966620A EP 1047825 A1 EP1047825 A1 EP 1047825A1
Authority
EP
European Patent Office
Prior art keywords
structural surface
thin
device part
jaw
walled sheet
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.)
Granted
Application number
EP98966620A
Other languages
German (de)
French (fr)
Other versions
EP1047825B2 (en
EP1047825B1 (en
Inventor
Alfred Nitsche
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7852527&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1047825(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1047825A1 publication Critical patent/EP1047825A1/en
Application granted granted Critical
Publication of EP1047825B1 publication Critical patent/EP1047825B1/en
Publication of EP1047825B2 publication Critical patent/EP1047825B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • 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
    • A47L15/42—Details
    • A47L15/4246—Details of the tub
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces

Definitions

  • Device part made of thin-walled sheet metal and embossing tool for producing a structural surface on the device part
  • the invention relates to a device part consisting of thin-walled sheet metal, such as the tub of a dishwasher or washing machine or washing drum of a washing machine, which device part is provided with indentations which increase strength, and also to an embossing tool for producing a structural surface on the device part.
  • DE 34 28 791 A1 discloses a tub made of thin-walled sheet metal for a washing machine, on the end walls of which stiffening beads are molded to increase the strength. In the area between the stiffening beads, the end walls are smooth. Such smooth surfaces tend to vibrate, which creates disturbing noises.
  • the invention has for its object to design existing device parts made of thin-walled sheet metal so that they have sufficient stiffness over the largest possible area of their extent.
  • the object is achieved according to the invention in that a flat structure is embossed at least in regions on the device part.
  • a particularly good noise reduction results from the fact that the connecting sections formed by the elevations between the recesses of the structural surface between opposite boundary sides of the structural surface have a course deviating from the shortest straight line extending between opposite boundary sides of the structural surface.
  • Such connecting sections have a spring characteristic that is favorable for good noise damping.
  • the invention is also based on the further object of creating a particularly simple embossing tool for producing a structural surface on an apparatus part consisting of thin-walled sheet metal.
  • a die corresponding to the structure to be embossed is arranged only on one jaw of the embossing tool and the other jaw is smooth in the area of the counter surface to the die and is coated with a covering of plastically deformable material . Since a die corresponding to the structural pattern to be embossed is only provided on one jaw of the embossing tool, the embossing tool is substantially cheaper.
  • Fig. 2 is a washing drum of a washing machine in side view
  • Fig. 3 is an embossing tool in section
  • Fig. 4 shows a detail IV of the embossing tool according to FIG. 1 in an enlarged view.
  • a flat, delicate structure 5 is embossed in a region extending in the radial direction 2 and in the circumferential direction 3 over part of the entire surface of the side wall 4 in the thin-walled material (sheet metal) of the side wall 4 .
  • Such a structure 5 can also be provided on the other side wall of the tub 1.
  • a honeycomb-shaped structural surface 8 is stamped into the material of the side walls 7.
  • the individual honeycombs of this structural surface 8 are arranged and designed in size so that the raised webs 11 between the individual honeycombs embossed as depressions extend on the radial inner and radial outer boundary lines 9 and 10 of the honeycomb-shaped structural surface 8 have a course which deviates from the straight radial lines 12 which also extend between the radially inner and the radially outer boundary lines 9 and 10.
  • the connecting sections formed by the webs 11 between the boundary lines 9 and 10 have a soft spring characteristic, which brings about good noise damping.
  • the structure 5 or the structure surface 8 is embossed by means of an embossing tool shown in a schematic representation in FIG. 3.
  • This stamping tool points two jaws 13 and 14 on.
  • a die 15 corresponding to structure 5 or structure surface 8 is attached to one jaw 13.
  • the other jaw 14 is smooth in the area 16 opposite the die 15.
  • a covering 17 made of plastically deformable material (for example vulcan) is applied to the smooth surface.
  • the side walls 4 and 7 to be stamped are introduced between the two jaws 13 and 14 of the stamping tool.
  • the material of the side walls 4 and 7 is pressed against the covering 17 by the die 15.
  • the material of the covering 17 is compressed more.
  • the covering 17 presses corresponding depressions (for example honeycombs) into the material of the respective side wall 4 or 7.
  • the use of the plastically deformable covering 17 makes a separate die shaped as a counter-die to the die 15 unnecessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The part of a device is, for instance, a container for caustic soda in a dishwasher, washing machine or the washing drum of a washing machine. The inventive part is provided with crimped sections to improve resistance. The aim of the invention is to obtain sufficient rigidity over a large extension area of said part. To achieve this, at least one particularly flat structure (5, 8) is stamped. The invention also relates to a stamping tool to produce a structural area on a thin-walled sheet of metal, characterised in that a matrix (15) corresponding to the structure to be stamped (5, 8) is placed on one jaw (13) only of the stamping tool and the surface of other jaw (15) running counter to the matrix (15) is flat and provided with a covering (17) that is made of a plastic deformable material.

Description

Aus dünnwandigem Blech bestehendes Geräteteil und Prägewerkzeug zur Herstellung einer Strukturfläche an dem GeräteteilDevice part made of thin-walled sheet metal and embossing tool for producing a structural surface on the device part
Die Erfindung betrifft ein aus dünnwandigem Blech bestehendes Geräteteil, wie Laugenbehälter einer Geschirrspül- oder Waschmaschine bzw. Waschtrommel einer Waschmaschine, welches Geräteteil mit die Festigkeit erhöhenden Einprägungen versehen ist, und ferner ein Prägewerkzeug zur Herstellung einer Strukturfläche an dem Gerä- teteil.The invention relates to a device part consisting of thin-walled sheet metal, such as the tub of a dishwasher or washing machine or washing drum of a washing machine, which device part is provided with indentations which increase strength, and also to an embossing tool for producing a structural surface on the device part.
Durch die DE 34 28 791 A1 ist ein aus einem dünnwandigen Blech bestehender Laugenbehälter für eine Waschmaschine bekannt, an dessen stirnseitigen Wänden zur Erhöhung der Festigkeit Versteifungssicken eingeformt sind. In dem Bereich zwischen den Versteifungssicken sind die stirnseitigen Wände glatt verlaufend ausgebildet. Derartige glatte Flächen neigen zu Vibrationen, wodurch störende Geräusche entstehen.DE 34 28 791 A1 discloses a tub made of thin-walled sheet metal for a washing machine, on the end walls of which stiffening beads are molded to increase the strength. In the area between the stiffening beads, the end walls are smooth. Such smooth surfaces tend to vibrate, which creates disturbing noises.
Der Erfindung liegt die Aufgabe zugrunde, aus dünnwandigem Blech bestehende Geräteteile so auszubilden, daß diese über einen möglichst großen Bereich ihrer Erstreckung eine ausreichende Steifigkeit aufweisen.The invention has for its object to design existing device parts made of thin-walled sheet metal so that they have sufficient stiffness over the largest possible area of their extent.
Die Lösung der gestellten Aufgabe gelingt nach der Erfindung dadurch, daß zumindest bereichsweise an dem Geräteteil eine flächig ausgebildete Struktur eingeprägt ist.The object is achieved according to the invention in that a flat structure is embossed at least in regions on the device part.
Vorteilhaft ist es, die Struktur wabenförmig zu gestalten, da hierdurch eine besoders hoher Versteifungsgrad erzielt wird.It is advantageous to make the structure honeycomb-shaped, since an especially high degree of stiffening is thereby achieved.
Eine besonders gute Geräuschdämpfung ergibt sich dadurch, daß die von den zwischen den Vertiefungen der Strukturfläche bestehenden Erhöhungen zwischen gegenüberlie- genden Begrenzungsseiten der Strukturfläche gebildeten Verbindungsstrecken einen von den sich zwischen gegen-überliegenden Begrenzungsseiten der Strukturfläche erstreckenden kürzesten Geraden abweichenden Verlauf aufweisen. Derartige Verbindungsstrecken weisen eine für eine gute Geräuschdämpfung günstige Federcharakteristik auf. Der Erfindung liegt ferner die weitere Aufgabe zugrunde, ein besonders einfaches Prägewerkzeug für die Herstellung einer Strukturfläche an einem aus dünnwandigem Blech bestenden Geräteteil zu schaffen.A particularly good noise reduction results from the fact that the connecting sections formed by the elevations between the recesses of the structural surface between opposite boundary sides of the structural surface have a course deviating from the shortest straight line extending between opposite boundary sides of the structural surface. Such connecting sections have a spring characteristic that is favorable for good noise damping. The invention is also based on the further object of creating a particularly simple embossing tool for producing a structural surface on an apparatus part consisting of thin-walled sheet metal.
Die Lösung dieser Aufgabe gelingt nach der Erfindung dadurch, daß nur an der einen Backe des Prägewerkzeuges eine der zu prägenden Struktur entsprechende Matritze angeordnet ist und die andere Backe im Bereich der Gegenfläche zu der Matritze glatt ausgebildet und mit einem Belag aus plastisch verformbaren Material belegt ist. Da nur an der einen Backe des Prägewerkzeuges eine dem zu prägenden Strukturmuster entsprechende Matritze vorgesehen ist, ergibt sich eine wesentliche Verbilligung des Prä- gewerkzeuges.This object is achieved according to the invention in that a die corresponding to the structure to be embossed is arranged only on one jaw of the embossing tool and the other jaw is smooth in the area of the counter surface to the die and is coated with a covering of plastically deformable material . Since a die corresponding to the structural pattern to be embossed is only provided on one jaw of the embossing tool, the embossing tool is substantially cheaper.
Anhand eines in der Zeichnung dargestellten Ausführungsbeispieles wird die Erfindung nachfolgend noch näher erläutert. Es zeigenBased on an embodiment shown in the drawing, the invention is explained in more detail below. Show it
Fig. 1 einen Laugenbehälter einer Waschmaschine in Seitenansicht,1 shows a tub of a washing machine in side view,
Fig. 2 eine Waschtrommel einer Waschmaschine in Seitenansicht, Fig. 3 ein Prägewerkzeug im Schnitt undFig. 2 is a washing drum of a washing machine in side view, Fig. 3 is an embossing tool in section and
Fig. 4 eine Einzelheit IV des Prägewerkzeuges gemäß Fig. 1 in vergrößerter Darstellung.Fig. 4 shows a detail IV of the embossing tool according to FIG. 1 in an enlarged view.
Bei dem in Fig. 1 dargestellten Laugenbehälter 1 ist in einem sich in radialer Richtung 2 und in Umfangsrichtung 3 jeweils über einen Teil der gesamten Fläche der Seitenwand 4 erstreckenden Bereich in das dünnwandige Material (Blech) der Seitenwand 4 eine flächige, feingliedrige Struktur 5 eingeprägt. Ein solche Struktur 5 kann auch an der anderen Seitenwand des Laugenbehälters 1 vorgesehen werden.In the tub 1 shown in FIG. 1, a flat, delicate structure 5 is embossed in a region extending in the radial direction 2 and in the circumferential direction 3 over part of the entire surface of the side wall 4 in the thin-walled material (sheet metal) of the side wall 4 . Such a structure 5 can also be provided on the other side wall of the tub 1.
Bei der in Fig. 2 gezeigten Waschtrommel 6 ist in das Material der Seitenwände 7 eine wabenförmige Strukturfläche 8 eingeprägt. Die einzelnen Waben dieser Strukturfläche 8 sind dabei so angeordnet und in ihrer Größe so ausgeführt, daß die zwischen den einzelnen, als Vertiefungen eingeprägten Waben bestehenden erhöhten Stege 11 auf ihrer Erstreckung zwischen der radial inneren und der radial äußeren Begrenzungslinie 9 und 10 der wabenförmigen Strukturfläche 8 einen von den sich ebenfalls zwischen der radial inneren und der radial äußeren Begrenzungslinie 9 und 10 erstreckenden geraden Ra- diallinien 12 abweichenden Verlauf aufweisen. Dadurch besitzen die durch die Stege 11 zwischen den Begrenzungslinien 9 und 10 gebildeten Verbindungsstrecken eine weiche Federcharakteristik, die eine gute Geräuschdämpfung bewirkt.In the washing drum 6 shown in FIG. 2, a honeycomb-shaped structural surface 8 is stamped into the material of the side walls 7. The individual honeycombs of this structural surface 8 are arranged and designed in size so that the raised webs 11 between the individual honeycombs embossed as depressions extend on the radial inner and radial outer boundary lines 9 and 10 of the honeycomb-shaped structural surface 8 have a course which deviates from the straight radial lines 12 which also extend between the radially inner and the radially outer boundary lines 9 and 10. As a result, the connecting sections formed by the webs 11 between the boundary lines 9 and 10 have a soft spring characteristic, which brings about good noise damping.
Die Prägung der Struktur 5 bzw. der Strukturfläche 8 erfogt mittels eines in der Fig. 3 in schematischer Darstellung gezeigten Prägewerkzeuges. Dieses Prägewerkzeug weist zwei Backen 13 und 14 auf. An der einen Backe 13 ist eine der Struktur 5 bzw. der Strukturfläche 8 entsprechende Matritze 15 angebracht. Die andere Backe 14 ist in dem der Matritze 15 gegenüberliegenden Bereich 16 glatt ausgebildet. Auf der glatten Fläche ist ein aus plastisch verformbaren Material (z.B. Vulkulan) bestehender Belag 17 aufge- bracht. Beim Prägevorgang werden die zu prägenden Seitenwände 4 bzw. 7 zwischen die beiden Backen 13 und 14 des Prägewerkzeuges eingebracht. Beim Zusammenpressen der beiden Backen 13 und 14 wird das Material der Seitenwände 4 bzw. 7 durch die Matritze 15 gegen den Belag 17 gedrückt. Dabei wird an den Stellen, wo die Matritze 15 Erhebungen 18 aufweist das Material des Belages 17 stärker zusammengedrückt. Im Bereich von Vertiefungen 19 der Matritze 15 drückt dagegen der Belag 17 entsprechende Vertiefungen (z.B.Waben) in das Material der jeweiligen Seitenwand 4 bzw. 7. Durch die Verwendung des plastisch verformbaren Belages 17 erübrigt sich eine gesonderte als Gegenmatritze zu der Matritze 15 geformte Matritze. The structure 5 or the structure surface 8 is embossed by means of an embossing tool shown in a schematic representation in FIG. 3. This stamping tool points two jaws 13 and 14 on. A die 15 corresponding to structure 5 or structure surface 8 is attached to one jaw 13. The other jaw 14 is smooth in the area 16 opposite the die 15. A covering 17 made of plastically deformable material (for example vulcan) is applied to the smooth surface. During the stamping process, the side walls 4 and 7 to be stamped are introduced between the two jaws 13 and 14 of the stamping tool. When the two jaws 13 and 14 are pressed together, the material of the side walls 4 and 7 is pressed against the covering 17 by the die 15. At the points where the die 15 has elevations 18, the material of the covering 17 is compressed more. In the area of depressions 19 of the die 15, on the other hand, the covering 17 presses corresponding depressions (for example honeycombs) into the material of the respective side wall 4 or 7. The use of the plastically deformable covering 17 makes a separate die shaped as a counter-die to the die 15 unnecessary.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Aus dünnwandigem Blech bestehendes Geräteteil, wie Laugenbehälter einer Ge- schirrspül- oder Waschmaschine bzw. Waschtrommel einer Waschmaschine, welches Geräteteil mit die Festigkeit erhöhenden Einprägungen versehen ist, dadurch gekennzeichnet, daß zumindest bereichsweise an dem Geräteteil eine flächig ausgebildete Struktur (5 bzw.8) eingeprägt ist.1. Device part consisting of thin-walled sheet metal, such as a tub of a dishwasher or washing machine or washing drum of a washing machine, which device part is provided with indentations which increase the strength, characterized in that a flat structure (5 or 8) is stamped.
2. Geräteteil nach Anspruch 1 , dadurch gekennzeichnet, daß die Struktur (8) waben- förmig gestaltet ist.2. Device part according to claim 1, characterized in that the structure (8) is honeycomb-shaped.
3. Geräteteil nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die von den zwischen den Vertiefungen der Strukturfläche (8) bestehenden Erhöhungen (1 1 ) zwischen gegenüberliegenden Begrenzungsseiten (9 und 10) der Strukturfläche3. Device part according to claim 1 or 2, characterized in that the existing between the recesses of the structural surface (8) increases (1 1) between opposite boundary sides (9 and 10) of the structural surface
(8) gebildeten Verbindungsstrecken einen von den sich zwischen gegenüberliegenden Begrenzungsseiten (9 und 10) der Strukturfläche (8) erstreckenden kürzesten Geraden (12) abweichenden Verlauf aufweisen.(8) formed connecting paths have a course deviating from the shortest straight line (12) extending between opposite boundary sides (9 and 10) of the structural surface (8).
4. Prägewerkzeug zur Herstellung einer Strukturfläche an einem aus dünnwandigen Blech bestehenden Geräteteil, dadurch gekennzeichnet, daß nur an der einen Backe (13) des Prägewerkzeuges eine der zu prägenden Struktur (5 bzw. 8) entsprechende Matritze (15) angeordnet ist und die andere Backe (14) im Bereich der Gegenfläche zu der Matritze (15) glatt ausgebildet und mit einem Belag (17) aus plastisch verformbaren Material belegt ist.4. embossing tool for producing a structural surface on a device part made of thin-walled sheet metal, characterized in that one of the structure to be embossed (5 or 8) corresponding die (15) and the other is arranged only on one jaw (13) of the embossing tool The jaw (14) is smooth in the area of the counter surface to the die (15) and is covered with a covering (17) made of plastically deformable material.
5. Prägewerkzeug nach Anspruch 4, dadurch gekennzeichnet, daß die glatt ausgebildete Gegenfläche mit einem Vulkulanbelag (17) versehen ist. 5. embossing tool according to claim 4, characterized in that the smooth counter surface is provided with a vulcanic coating (17).
EP98966620A 1997-12-18 1998-12-15 Part of a device consisting of a thin-walled sheet and stamping tool for producing a structural surface on the part of said device Expired - Lifetime EP1047825B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19756516A DE19756516A1 (en) 1997-12-18 1997-12-18 Thin sheet metal component
DE19756516 1997-12-18
PCT/EP1998/008207 WO1999032703A1 (en) 1997-12-18 1998-12-15 Part of a device consisting of a thin-walled sheet and stamping tool for producing a structural surface on the part of said device

Publications (3)

Publication Number Publication Date
EP1047825A1 true EP1047825A1 (en) 2000-11-02
EP1047825B1 EP1047825B1 (en) 2002-11-20
EP1047825B2 EP1047825B2 (en) 2007-05-23

Family

ID=7852527

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98966620A Expired - Lifetime EP1047825B2 (en) 1997-12-18 1998-12-15 Part of a device consisting of a thin-walled sheet and stamping tool for producing a structural surface on the part of said device

Country Status (5)

Country Link
EP (1) EP1047825B2 (en)
DE (2) DE19756516A1 (en)
ES (1) ES2188040T5 (en)
TR (1) TR200001739T2 (en)
WO (1) WO1999032703A1 (en)

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DE19847257A1 (en) 1998-10-02 2000-04-13 Markus Haeussermann Tool for machining sheet metal molded parts, at least one component of which has channel-like recesses in preset pattern roughly parallel to force-exerting direction
US8056172B2 (en) 2004-05-24 2011-11-15 Whirlpool Corporation Appliance panel with increased natural frequency
DE102004060946A1 (en) * 2004-12-17 2006-07-06 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher and method of making the same
CN2907538Y (en) * 2005-08-19 2007-06-06 Bsh博施及西门子家用器具有限公司 Dish-washing machine
CN2927977Y (en) * 2005-08-19 2007-08-01 Bsh博施及西门子家用器具有限公司 Dish washer
KR100751107B1 (en) * 2006-01-27 2007-08-22 엘지전자 주식회사 Tub for washing machine and manufacturing method for the same
DE102008007212B3 (en) * 2008-02-01 2009-10-15 BSH Bosch und Siemens Hausgeräte GmbH Housing for driving an electrical device, in particular a household appliance
EP2517611A1 (en) 2011-04-29 2012-10-31 Electrolux Home Products Corporation N.V. Filter
TR201819632A2 (en) 2018-12-18 2020-07-21 Arcelik As LAUNDRY WASHER-DRYER WITH BOILER WITH INCREASED MECHANICAL RESISTANCE
DE102019212954A1 (en) * 2019-08-28 2021-03-04 BSH Hausgeräte GmbH Laundry care device with a pulley
SI25993A (en) * 2020-04-21 2021-10-29 Gorenje gospodinjski aparati, d.o.o Washing machine drum pulley made of plastic material

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FR1512498A (en) * 1966-12-27 1968-02-09 Sedelem Soc D Etudes Et De Dev Spray deflector for dishwashing machines
DE2347252A1 (en) * 1973-09-20 1975-03-27 Licentia Gmbh Sound-absorbing means for dishwashers - comprises inner lining panels connected to inside of wash container by resilient packing rings
DE3428791A1 (en) * 1983-11-30 1985-06-05 VEB Waschgerätewerk Schwarzenberg, DDR 9430 Schwarzenberg Detergent container made of thin-walled sheet metal for casing-loaded drum-type washing machines
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Title
See references of WO9932703A1 *

Also Published As

Publication number Publication date
DE59806378D1 (en) 2003-01-02
WO1999032703A1 (en) 1999-07-01
EP1047825B2 (en) 2007-05-23
DE19756516A1 (en) 1999-06-24
ES2188040T5 (en) 2007-12-16
EP1047825B1 (en) 2002-11-20
ES2188040T3 (en) 2003-06-16
TR200001739T2 (en) 2002-01-21

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