WO2004005603A1 - Tambour de lave-linge - Google Patents

Tambour de lave-linge Download PDF

Info

Publication number
WO2004005603A1
WO2004005603A1 PCT/EP2003/006770 EP0306770W WO2004005603A1 WO 2004005603 A1 WO2004005603 A1 WO 2004005603A1 EP 0306770 W EP0306770 W EP 0306770W WO 2004005603 A1 WO2004005603 A1 WO 2004005603A1
Authority
WO
WIPO (PCT)
Prior art keywords
fold
washing machine
machine drum
sheet metal
cylindrical wall
Prior art date
Application number
PCT/EP2003/006770
Other languages
German (de)
English (en)
Inventor
Ismael Gracia Bobed
Original Assignee
BSH Bosch und Siemens Hausgeräte 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=WO2004005603(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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP03762523A priority Critical patent/EP1520067B1/fr
Priority to ES03762523T priority patent/ES2283824T3/es
Priority to DE50306917T priority patent/DE50306917D1/de
Publication of WO2004005603A1 publication Critical patent/WO2004005603A1/fr
Priority to US11/028,113 priority patent/US20050132556A1/en

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
    • D06F37/02—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 contains a plurality of openings and which is connected to two sheet metal layers by means of a fold.
  • washing machine drums are formed by a side wall which is provided with a plurality of openings and is connected at its ends to two sheet metal layers by means of a fold which defines a circumferential projection which is formed by a first 180 ° fold of a section of the wall of the first Sheet metal layer around the cylindrical wall and by a second folding of 180 ° of the doubled wall, which after the first folding is formed by the sheet metal layer and the cylindrical wall, around the cylindrical side wall.
  • the spin speed of the washing machines is increasing, which means that the drum has to withstand greater loads which can cause a tear in the fold connection of the cylindrical side surface with the sheet metal layers.
  • 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 connections withstand greater loads than those which are caused when spinning at high speeds. It is also an object of the invention to reinforce the cylindrical side wall to provide it with greater durability as well and with mechanisms that protect the seam joint to enable it to withstand greater loads than those caused by high speed spinning.
  • the invention shows a washing machine drum which, like the conventional washing machine drums, is formed by a cylindrical side wall which is provided with a plurality of openings and is connected to a front sheet metal layer and a rear sheet metal layer by means of a circumferential fold at its ends ; and it is characterized in that an embossing is formed along the fold, which affects in a way all the walls of the sheet metal layers that form the fold, so that this structure determines a greater resistance of the fold against the elastications, i It is caused by the action of centrifugal force on the cylindrical wall to reduce the possibility of tearing and / or bending of the fold when the drum rotates at high speeds.
  • the embossing is arranged lengthwise on each of the walls that form the fold.
  • the embossing is arranged obliquely to the fold, that is to say the different embossments which are carried out on each of the different walls which form the fold are oriented in an oblique direction.
  • 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 to provide greater durability, which makes it difficult for the cylindrical wall to become rigid bulges when turning at high speeds. However, if such bulging nevertheless occurs, it affects the depressions and not the fold, so that the fold connections have to withstand a lower load and consequently tearing in the fold area is difficult.
  • each recess contains one of the flood holes in the drum, but it can be seen that these flood holes can be located outside of the recesses or alternate in any desired configuration.
  • depressions have a frustoconical cut according to one embodiment of the invention, but they can also have any other type of cut.
  • Fig. 1 is a schematic perspective view of a
  • Fig. 2 is a partial view of a body of a conventional drum along the section line in Fig. 1 and
  • Fig. 3 is a view along the same section line on a
  • 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 fold 5.
  • the surface of the cylindrical wall 3 is provided with a plurality of openings 4 for the water inlet and outlet.
  • FIG. 2 shows a partial section of the above-described elements according to the prior art, in which it can be seen that the fold 5 by a first folding of 180 ° of a section of the wall of the sheet metal layer 1 or 2 on the cylindrical wall 3 is fixed, so that a second folding of 180 ° of the double wall, which is formed after the first folding, then takes place on the cylindrical wall 3.
  • this embodiment has the disadvantage that the tearing of the washing machine drum on the fold connection 5 can be caused when the drum rotates at high speeds. At the same time, an appreciable bulging of the cylindrical wall 3 will occur, whereby the fold ends 5 are subjected to a greater load, which in turn increases the risk of the fold connection tearing.
  • the invention contains the novel feature that an embossing is carried out on the fold 5, for example by pressing two embossing pins along the entire fold.
  • the embossing is imaged on all sheet metal layers of the walls within the rebate connection, as a result of which the sheet metal layers bond to one another in a form-fitting manner.
  • This embossment increases the tensions that the drum can resist when driven at high spin speeds, significantly reducing the likelihood that a crack may occur in the fold connection of the drum.
  • recesses 7 with a frustoconical cut are present in the cylindrical wall 3, in the bottom of which the flood holes 4 for the water inflow outflow for carrying out the washing process 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)

Abstract

L'invention concerne un tambour de lave-linge présentant une enveloppe cylindrique (3) pourvue d'une pluralité d'orifices (4) destinés à la circulation de l'eau, d'une paroi latérale avant et d'une paroi latérale arrière qui, au niveau de leur périphérie, sont reliées à l'enveloppe cylindrique (3) au moyen d'un sertissage (5). Ce dernier (5) est renforcé par un emboutissage (6) de toutes ses couches de tôle, pour permettre d'éviter qu'il ne se fissure lors d'un essorage à vitesse élevée. L'enveloppe cylindrique (3) présente en outre une pluralité d'évidements (7) qui agrandissent la surface de l'enveloppe (3) pour la rendre plus résistante et plus élastique de sorte que, au cas où l'enveloppe (3) deviendrait bombée lors d'un essorage à vitesse élevée, ce bombement ait des répercussions sur les évidements (7) et non pas sur le sertissage (5), de manière à protéger ainsi ce dernier.
PCT/EP2003/006770 2002-07-03 2003-06-26 Tambour de lave-linge WO2004005603A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP03762523A EP1520067B1 (fr) 2002-07-03 2003-06-26 Tambour de lave-linge
ES03762523T ES2283824T3 (es) 2002-07-03 2003-06-26 Tambor de lavadora.
DE50306917T DE50306917D1 (de) 2002-07-03 2003-06-26 Waschmaschinentrommel
US11/028,113 US20050132556A1 (en) 2002-07-03 2005-01-03 Washing machine drum

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200201643A ES2214104B1 (es) 2002-07-03 2002-07-03 Tambor de lavadora.
ESP0201643 2002-07-03

Publications (1)

Publication Number Publication Date
WO2004005603A1 true WO2004005603A1 (fr) 2004-01-15

Family

ID=30011366

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/006770 WO2004005603A1 (fr) 2002-07-03 2003-06-26 Tambour de lave-linge

Country Status (7)

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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005049909A1 (fr) * 2003-11-20 2005-06-02 Arcelik Anonim Sirketi Tambour a nervures de renfort le long du joint
WO2007023453A1 (fr) * 2005-08-22 2007-03-01 Arcelik Anonim Sirketi Lave-linge/seche-linge comportant un joint forme par la pliure des bords superposes du corps du tambour et de deux couvercles circulaires
DE102004025354B4 (de) * 2004-05-19 2007-08-30 Miele & Cie. Kg Waschmaschinentrommel mit Falzung
WO2009109527A1 (fr) * 2008-03-03 2009-09-11 BSH Bosch und Siemens Hausgeräte GmbH Tambour de lavage pour une machine à laver ainsi que procédé pour la fabrication d'un tel tambour de lavage
ITTO20090569A1 (it) * 2009-07-27 2011-01-28 Indesit Co Spa Macchina per il lavaggio di biancheria a caricamento frontale
KR101222859B1 (ko) 2005-09-26 2013-01-16 삼성전자주식회사 드럼세탁기용 회전드럼 및 그 제조방법
US8438883B2 (en) 2007-02-28 2013-05-14 Samsung Electronics Co., Ltd. Washing machine improving washing efficiency
EP2761074B1 (fr) * 2011-09-27 2019-03-06 Arçelik Anonim Sirketi Tambour et son procédé de production
EP3502343A1 (fr) 2017-12-21 2019-06-26 BSH Hausgeräte GmbH Tambour pour un appareil de traitement de linge, appareil de traitement de linge ainsi que procédé de fabrication du tambour

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005023444A1 (de) * 2005-05-20 2006-11-23 BSH Bosch und Siemens Hausgeräte GmbH Trommel mit Prägung der Bördelnaht
DE102006010179A1 (de) * 2005-12-28 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrommel
TR201101157A2 (tr) 2011-02-08 2012-08-22 Bsh Ev Aletleri̇ San. Ve Ti̇c. A.Ş. Tambur tipi önden yüklemeli bir çamaşır makinesi
WO2015096924A1 (fr) 2013-12-27 2015-07-02 Arcelik Anonim Sirketi Tambour présentant une meilleure résistance mécanique et son procédé de production
WO2015096926A1 (fr) * 2013-12-27 2015-07-02 Arcelik Anonim Sirketi Tambour ayant une meilleure résistance mécanique et procédé de fabrication de celui-ci
EP3092333B1 (fr) 2013-12-30 2018-12-05 Arçelik Anonim Sirketi Tambour ayant une résistance mécanique améliorée et procédé de production de ce dernier
DE102015222611A1 (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
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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CH345862A (de) * 1955-08-17 1960-04-30 Peter Pfenningsberg Gmbh Masch Trommel für Waschmaschinen
DE2826506A1 (de) * 1977-06-17 1979-01-11 Riccardo Bertolino Trommel fuer waschmaschinen
DE19651295A1 (de) * 1996-12-10 1998-06-18 Bosch Siemens Hausgeraete Wäschetrommel für eine Wäschebehandlungsmaschine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005049909A1 (fr) * 2003-11-20 2005-06-02 Arcelik Anonim Sirketi Tambour a nervures de renfort le long du joint
DE102004025354B4 (de) * 2004-05-19 2007-08-30 Miele & Cie. Kg Waschmaschinentrommel mit Falzung
WO2007023453A1 (fr) * 2005-08-22 2007-03-01 Arcelik Anonim Sirketi Lave-linge/seche-linge comportant un joint forme par la pliure des bords superposes du corps du tambour et de deux couvercles circulaires
KR101222859B1 (ko) 2005-09-26 2013-01-16 삼성전자주식회사 드럼세탁기용 회전드럼 및 그 제조방법
US8438883B2 (en) 2007-02-28 2013-05-14 Samsung Electronics Co., Ltd. Washing machine improving washing efficiency
WO2009109527A1 (fr) * 2008-03-03 2009-09-11 BSH Bosch und Siemens Hausgeräte GmbH Tambour de lavage pour une machine à laver ainsi que procédé pour la fabrication d'un tel tambour de lavage
ITTO20090569A1 (it) * 2009-07-27 2011-01-28 Indesit Co Spa Macchina per il lavaggio di biancheria a caricamento frontale
EP2280108A1 (fr) * 2009-07-27 2011-02-02 Indesit Company S.p.A. Machine à laver à chargement frontal
EP2761074B1 (fr) * 2011-09-27 2019-03-06 Arçelik Anonim Sirketi Tambour et son procédé de production
EP3502343A1 (fr) 2017-12-21 2019-06-26 BSH Hausgeräte GmbH Tambour pour un appareil de traitement de linge, appareil de traitement de linge ainsi que procédé de fabrication du tambour
DE102017223582A1 (de) 2017-12-21 2019-06-27 BSH Hausgeräte GmbH Trommel für ein Wäschebehandlungsgerät, Wäschebehandlungsgerät sowie Verfahren zur Herstellung der Trommel
CN109944043A (zh) * 2017-12-21 2019-06-28 Bsh家用电器有限公司 用于洗涤物处理器具的滚筒、洗涤物处理器具以及用于制造滚筒的方法

Also Published As

Publication number Publication date
PL373260A1 (en) 2005-08-22
ES2214104B1 (es) 2005-12-16
ATE358204T1 (de) 2007-04-15
ES2214104A1 (es) 2004-09-01
DE50306917D1 (de) 2007-05-10
US20050132556A1 (en) 2005-06-23
PL207797B1 (pl) 2011-02-28
EP1520067A1 (fr) 2005-04-06
EP1520067B1 (fr) 2007-03-28
ES2283824T3 (es) 2007-11-01

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