EP1520067B1 - Waschmaschinentrommel - Google Patents

Waschmaschinentrommel Download PDF

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Publication number
EP1520067B1
EP1520067B1 EP03762523A EP03762523A EP1520067B1 EP 1520067 B1 EP1520067 B1 EP 1520067B1 EP 03762523 A EP03762523 A EP 03762523A EP 03762523 A EP03762523 A EP 03762523A EP 1520067 B1 EP1520067 B1 EP 1520067B1
Authority
EP
European Patent Office
Prior art keywords
fold
washing machine
machine drum
cylindrical wall
drum
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
EP03762523A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1520067A1 (de
Inventor
Ismael Gracia Bobed
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=30011366&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1520067(B1) "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 EP1520067A1 publication Critical patent/EP1520067A1/de
Application granted granted Critical
Publication of EP1520067B1 publication Critical patent/EP1520067B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • 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
    • D06F37/02—Rotary receptacles, e.g. drums
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49909—Securing cup or tube between axially extending concentric annuli
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y10T29/49917—Overedge assembling of seated part by necking in cup or tube wall
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y10T29/4992—Overedge assembling of seated part by flaring inserted cup or tube end

Definitions

  • the invention relates to a washing machine drum, which is formed by a cylindrical wall which includes a plurality of openings, and which is connected by means of a fold with two sheet metal layers.
  • washing machine drums are formed by a side wall provided with a plurality of openings and connected at their ends to two sheet metal layers by means of a fold defining a circumferential projection formed by a first fold of 180 ° of a portion of the wall of the first Sheet metal layer around the cylindrical wall and by a second fold of 180 ° of the double wall, which is formed after the first folding through the sheet metal layer and the cylindrical wall to the cylindrical side wall is formed.
  • a washing machine drum is known from document DE.A.2826506.
  • the invention has for its object to provide a reinforcement for the fold, which forms the connection between the sheet metal layers and the cylindrical side wall, so that these compounds withstand greater loads than those caused by spinning at high speeds.
  • the invention features a washing machine drum which, like the conventional washing machine drums, is formed by a cylindrical side wall provided with a plurality of openings and connected at its ends to a front sheet layer and a rear sheet layer by means of a peripheral fold ; and it is characterized in that an embossment is formed along the fold, which acts in a way on all the walls of the sheet metal layers forming the fold, so that this structure determines a greater resistance of the fold against the loads caused by the action centrifugal force on the cylindrical wall to reduce the possibility of cracking and / or bending of the seam as the drum rotates at high speeds.
  • the embossing is arranged lengthwise on each of the walls that form the fold.
  • the embossment is arranged obliquely to the fold, that is to say the different embossings which are made on each of the different walls which form the fold are oriented obliquely.
  • the drum of the invention also has, as an additional feature, the fact that the cylindrical wall is provided with a plurality of small recesses, so that the surface of the cylindrical wall is enlarged so as to provide greater durability, which makes it difficult for the cylindrical wall bulges when turning at high speeds. However, if such a bulging occurs, it has an effect on the depressions and not on the fold, so that the seam connections must withstand a lower load and consequently a tearing in the fold area is difficult.
  • each well includes one of the flooding holes of the drum, but it will be appreciated that these flood wells may be outside the wells or alternate therewith according to any desired design.
  • recesses according to an embodiment of the invention have a frusto-conical section, but they can also have any other type of cut.
  • the drum of the invention is formed by a cylindrical wall 3 which is connected to a rear support 1 and a front support 2 by means of a rebate 5.
  • the surface of the cylindrical wall 3 is provided with a plurality of openings 4 for the water inlet and outlet.
  • Fig. 2 a partial section of the above-described elements according to the prior art is shown, in which it can be seen that the fold 5 by a first fold of 180 ° of a portion of the wall of the sheet metal layer 1 or 2 on the cylindrical wall 3 is fixed, so that subsequently a second fold is also made by 180 ° of the double wall, which is formed after the first folding, on the cylindrical wall 3.
  • the invention includes the novel feature that on the fold 5 embossing is carried out, for example, pressing two embossing pins along the entire fold.
  • embossing is formed on all sheet metal layers of the walls within the seam connection, whereby the sheet metal layers form-fittingly intimately interconnect.
  • This embossing increases the stresses that the drum can withstand when driven at high spin speeds, thus significantly reducing the likelihood that a crack may occur in the seaming connection of the drum.
  • recesses 7 having a frusto-conical section are provided in the cylindrical wall 3, in the bottom of which the flood holes 4 for water flow / drain for carrying out the washing operation are contained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP03762523A 2002-07-03 2003-06-26 Waschmaschinentrommel Expired - Lifetime EP1520067B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES200201643A ES2214104B1 (es) 2002-07-03 2002-07-03 Tambor de lavadora.
ES201600043 2002-07-03
PCT/EP2003/006770 WO2004005603A1 (de) 2002-07-03 2003-06-26 Waschmaschinentrommel

Publications (2)

Publication Number Publication Date
EP1520067A1 EP1520067A1 (de) 2005-04-06
EP1520067B1 true EP1520067B1 (de) 2007-03-28

Family

ID=30011366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03762523A Expired - Lifetime EP1520067B1 (de) 2002-07-03 2003-06-26 Waschmaschinentrommel

Country Status (7)

Country Link
US (1) US20050132556A1 (pl)
EP (1) EP1520067B1 (pl)
AT (1) ATE358204T1 (pl)
DE (1) DE50306917D1 (pl)
ES (2) ES2214104B1 (pl)
PL (1) PL207797B1 (pl)
WO (1) WO2004005603A1 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012107282A2 (en) 2011-02-08 2012-08-16 BSH Bosch und Siemens Hausgeräte GmbH Drum type front loading laundry treating machine
WO2015096926A1 (en) * 2013-12-27 2015-07-02 Arcelik Anonim Sirketi A drum with improved mechanical strength and the production method thereof

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1704274A1 (en) * 2003-11-20 2006-09-27 Arcelik Anonim Sirketi A drum with stiffening corrugations along the seam
DE102004025354B4 (de) * 2004-05-19 2007-08-30 Miele & Cie. Kg Waschmaschinentrommel mit Falzung
DE102005023444A1 (de) * 2005-05-20 2006-11-23 BSH Bosch und Siemens Hausgeräte GmbH Trommel mit Prägung der Bördelnaht
EP1922444A1 (en) * 2005-08-22 2008-05-21 Arcelik Anonim Sirketi A washer/dryer with a seam formed by bending the overlapping edges of the drum body and two circular lids
KR101222859B1 (ko) 2005-09-26 2013-01-16 삼성전자주식회사 드럼세탁기용 회전드럼 및 그 제조방법
DE102006010179A1 (de) * 2005-12-28 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrommel
KR101136863B1 (ko) 2007-02-28 2012-04-20 삼성전자주식회사 세탁기
ES2332440B1 (es) * 2008-03-03 2011-01-31 Bsh Electrodomesticos España, S.A. Tambor de lavado para una maquina lavadora y procedimiento para la fabricacion de dicho tambor de lavado.
IT1394949B1 (it) * 2009-07-27 2012-07-27 Indesit Co Spa Macchina per il lavaggio di biancheria a caricamento frontale
CN103827381B (zh) 2011-09-27 2016-08-31 阿塞里克股份有限公司 滚筒及其生产方法
WO2015096924A1 (en) 2013-12-27 2015-07-02 Arcelik Anonim Sirketi A drum with improved mechanical strength and the production method thereof
EP3092333B1 (en) 2013-12-30 2018-12-05 Arçelik Anonim Sirketi A drum with improved mechanical strength and the production method thereof
WO2016086931A1 (de) * 2014-12-03 2016-06-09 Schaeffler Technologies AG & Co. KG Planetentrieb mit einem planetenträger
KR102590137B1 (ko) * 2016-07-18 2023-10-18 삼성전자주식회사 세탁기
US11629448B2 (en) * 2017-03-13 2023-04-18 Midea Group Co., Ltd. Laundry washing machine with adjustable wash capacity
DE102017223582A1 (de) 2017-12-21 2019-06-27 BSH Hausgeräte GmbH Trommel für ein Wäschebehandlungsgerät, Wäschebehandlungsgerät sowie Verfahren zur Herstellung der Trommel
CN111691114B (zh) * 2019-03-13 2023-02-17 青岛海尔洗涤电器有限公司 一种滚筒洗衣机的密封排水装置及滚筒洗衣机

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012107282A2 (en) 2011-02-08 2012-08-16 BSH Bosch und Siemens Hausgeräte GmbH Drum type front loading laundry treating machine
WO2012107282A3 (en) * 2011-02-08 2013-03-28 BSH Bosch und Siemens Hausgeräte GmbH Drum type front loading laundry treating machine
RU2551641C2 (ru) * 2011-02-08 2015-05-27 Бсх Бош Унд Сименс Хаусгерете Гмбх Машина для обработки белья барабанного типа с фронтальной загрузкой и способ изготовления барабана
WO2015096926A1 (en) * 2013-12-27 2015-07-02 Arcelik Anonim Sirketi A drum with improved mechanical strength and the production method thereof

Also Published As

Publication number Publication date
ES2214104B1 (es) 2005-12-16
US20050132556A1 (en) 2005-06-23
PL373260A1 (pl) 2005-08-22
ES2283824T3 (es) 2007-11-01
PL207797B1 (pl) 2011-02-28
DE50306917D1 (de) 2007-05-10
EP1520067A1 (de) 2005-04-06
ATE358204T1 (de) 2007-04-15
ES2214104A1 (es) 2004-09-01
WO2004005603A1 (de) 2004-01-15

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