EP0854223A2 - Dispositif de fermeture pour cuve en plastique de machine à laver - Google Patents

Dispositif de fermeture pour cuve en plastique de machine à laver Download PDF

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Publication number
EP0854223A2
EP0854223A2 EP98500012A EP98500012A EP0854223A2 EP 0854223 A2 EP0854223 A2 EP 0854223A2 EP 98500012 A EP98500012 A EP 98500012A EP 98500012 A EP98500012 A EP 98500012A EP 0854223 A2 EP0854223 A2 EP 0854223A2
Authority
EP
European Patent Office
Prior art keywords
halves
tank
lungs
washing machine
hole
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
EP98500012A
Other languages
German (de)
English (en)
Other versions
EP0854223B1 (fr
EP0854223A3 (fr
Inventor
Ismael Gracia Boved
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 Balay SA
Original Assignee
Balay SA
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 Balay SA filed Critical Balay SA
Publication of EP0854223A2 publication Critical patent/EP0854223A2/fr
Publication of EP0854223A3 publication Critical patent/EP0854223A3/fr
Application granted granted Critical
Publication of EP0854223B1 publication Critical patent/EP0854223B1/fr
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
    • D06F37/26—Casings; Tubs
    • D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • D06F37/262—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements made of plastic material, e.g. by injection moulding
    • 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
    • D06F37/263—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements assembled from at least two elements connected to each other; Connecting or sealing means therefor

Definitions

  • the following invention consists of an improved closing system in plastic tank for washing machine, being of the kind of those that are made up of two halves that are manufactured from a mould, that are backed and joined through one of their open bases, so that the two halves are susceptible of being separated in case of failure, allowing the access to its internal part for repairing it.
  • the joining system allows the easy separation of both halves in a fast and easy way by the technical service if its intervention is necessary, for once the failure has been repaired, the two halves of the tank can be joined again in a conventional way through some screws and the corresponding nuts.
  • the applicant of the present dossier is also the applicant of the Invention Patent P9600222 where a closing system for plastic tank of washing machine is claimed, which has the same objectives of obtaining a fast and economical closing system that at the same time it can be taken to pieces and is capable of being assembled again.
  • the closing system that is showed in the next report is applicable in the closing of the two halves of a plastic tank of washing machine, so that both halves are obtained from a mould and it is not necessary to increase the complexity of the mould for their manufacture since the elements that materialize the union, that also are obtained from a mould, do not put up the cost of this mould neither the product cost.
  • the two tank halves define the structure of this one because of their union through their corresponding central perimeter, with the interposition of the corresponding watertightness joint, so that one of the base of one of the halves is opened for remaining in relationship to the washing machine door while the other base of the other half defines the closed back part with an axial central hole for the pass of the drum spindle.
  • the plastic tanks of the washing machines are manufactured from a mould, according to two halves that, through their union, form the washing machine tank which will lodge the drum, so that during the manufacture of the own tank body, the accesory elements for its subjection and the union of other elements are defined, as well as being able of materialize the union of the both halves between them for form a watertight body.
  • the two halves that form the washing machine tank are joined in a perimetric way according to their central part so that one of the bases of the one of the halves is opened for remaining in relationship to the frontal door of the washing machine, and the other half defines the back part of the tank with the axial central hole for the pass of the spindle of the drum that will lodge the tank.
  • the washing machine tank that is configurated thus, if because of technical necessities it must be detached, its two halves can be separated unscrewing all the fixing screws, and subsequently it can be assembled again fixing the two halves that form the tank through the union screws.
  • the applicant of the present dossier is also the applicant of the Invention Patent P9600222, that claims a closing system for plastic tank of washing machine, which is based fundamentally on the materialization in one of the tank halves of a plurality of projections like tip of harpoon that, in the assembly, remain in relationship to the respective housings of the other half of the tank, materializing the union through the insertion of the cited projections like tip of harpoon into the respective housings.
  • an improved closing system for plastic tank in washing machine being of the kind of those tanks that are made up of two halves that are obtained from a mould so that the union base remains open in both halves while the other base of one of the halves coincides with the frontal part of the tank that is relative to the washing machine door, and the other one defines the closed back part with an axial central hole for the pass of the drum spindle, that is characterized because the two halves, that form the washing machine tank through their union, have a plurality of radial lungs that are backed among them, so that the lungs of one of the halves have the respective projections while the backed lungs have the respective passing holes.
  • the projections like a right angle in relationship to the external side of the radial lungs of one of the tank halves are defined by the respective studs that are endowed of a central axial hole, which is done in relationship to its.birth base in the corresponding lung.
  • the cited studs which are interlocked to the lungs of one of the tank halves, have their blocked up central axial hole, so that they remain inserted and jutting out on the holes of the backed lungs of the othe half, so that when we applied heat on the free extreme that juts out of the same ones, they founded so that a mass like a fragment of a sphere with bigger diameter than the hole of the lug where they are inserted is defined, being done the fixing because of the solidification and the cooling.
  • the studs that are interlocked to the lungs of one of the tank halves can have passing their axial central hole, remaining inserted and jutting out on the holes of the backed lungs of the other half, so that applying heat on their free extreme their smelting is caused, being defined a mass like a perimetric cord of calf-length section, with a bigger diameter than the hole of the lung where they are inserted, materializing the fixing because of its solidification and cooling, like a rivet.
  • the projections that are like a right angle with regard to the radial lungs of one of the tank halves are defined by respective tubular bodies, while the lungs of the other half of tank have a passing hole, whith a stretch of truncated cone shape with regard to its internal side, having also in relationship to it a pair of strengthenings that bear a body with a truncated cone shape, being all that obtained in the own manufacture process from a mould of the half of the cited tank.
  • the tubular projections are endowed in relationship to their free base of a pair of axial clefts, while the lug that they shape has a passing hole in relationship to their central part.
  • Figure 1. It shows a detailed view in perspective of an union point of the two halves of the plastic tank of the washing machine, where we can observe the stud that is interlocked to one of the lungs, which is endowed of a hole in relationship to its birth, while the cited lung has a hexagonal cope in the opposed side. Besides, we also can observe the lung of the opposed half of the tank, which is endowed of a hole for inserting the cited stud.
  • Figure 2. It shows a view of a radial section in relationship to a union point between the two tank halves, in which the stud remains inserted and passing through the hole of the corresponding opposed lung having the cited stud a central axial blocked up hole.
  • Figure 3. It shows a view of a radial section in relationship to a union point between the two halves of the tank, that is related to the previous figure, once we have applied heat on the free extreme of the stud for causing its smelting and the fastening between both halves because of the creation of a mass like a fragment of a sphere of bigger diameter than the fitting hole, that will materialize the fixing once it is solidified and cooled.
  • Figure 4. It shows a view of a radial section in relationship to a union point between the two tank halves, where the stud remains inserted and passing through the hole of the corresponding confronted lung, being passing the axial central hole of the stud.
  • Figure 5. It shows a view of a radial section in relationship to a union point between the two halves of the tank, that is related to the previous figure, once we have applied heat on the free extreme of the stud for causing its smelting and the fastening between both halves because of the creation of a mass like a perimetric cord, like a rivet, of calf-length section of bigger diameter than the fitting hole that will materialize the fixing, once it is solidified and cooled.
  • Figure 6. It shows a detailed view in perspective of other practical execution of the invention, in which one radial lung of one of the tank halves has tubular projection like a right angle which has, in relationship to its free base, a pair of axial copes that are diametrically confronted, while the backed lung of the other half of the tank has a passing hole that has a truncated cone shape in the opposed side to the backing side.
  • the cited side it has a body with truncated cone shape that is interlocked to a pair of strengthenings, having been it obtained during the own injection process of the tank body.
  • Figure 7. It shows a view of a radial section in relationship to a union point of the two tank halves, that is related to the previous figure, where we can observe like the tubular body, that is related to one lung of one of the halves of the tank, remains inserted and jutting out with regard to the hole of the backed lung of the other half of the tank, so that the body with truncated cone shape remains placed in such a way that it is inserted under pressure into the tubular body through a press knock.
  • the two halves (1) and (2) that are obtained from a mould and that form the plastic tank of the washing machine through their union, have a plurality of lungs (3) and (4) respectively that are placed in a radial way in relationship to the perimeter of the open base of backing, so that the lungs (3) of one of the tank halves have respective projections in relationship to their internal side, while the lungs (4) of the other half of the tank has a passing hole for the insertion of the cited projections.
  • the closed base of one of the tank halves has an axial central hole for the pass of the drum spindle, while the other base of the opposed half remains open and placed in relationship to the washing machine door.
  • the lungs (3) of one of the halves (1) that form the tank, in relationship to its internal side have each studs (7) that are endowed of an axial central hole while in their opposed side, the cited lungs (3) have a hexagonal emptying (9), while the other half (2) of the tank have respective lungs (4) that are endowed of the corresponding holes (8).
  • the studs (7) that are endowed of a blocked up central axial hole (10) in relationship to its birth base, remain passing through the respective holes (8) jutting out in relationship to the fitting lungs so that doing a constant pressure on both halves, there is a supply of heat on the free extremes of the studs that juts out, causing their smelting and the formation of a mass like a fragment of a sphere (11) with a bigger diameter than the hole where the stud is inserted, materializing a perfect closing of both halves after the cooling of the mass.
  • the studs (7) can be endowed of passing axial central hole (12), so that as the heat is centrally supplied, the smelting of their extreme emerges, defining a perimetric cord (13) of calf-length section like a rivet, so that the cooling also materializes a perfect closing between both halves.
  • the lungs (3) of one of the halves (1) that form the tank have each tubular bodies (14) in relationship to their external side. These bodies are endowed in relationship to their free base of a pair of axial clefts (15) so that the cited tubular bodies (14) will remain inserted into the respective holes (16) of the lungs (4) of the opposed half of the tank, jutting out in relatioship to the same one, while in the own manufacture process from a mould of the half (2) of the tank, the hole (16) will materialize with a strecth (17) with truncated cone shape in relationship to their internal side and likewise, some strengthenings (18) that supportes a body with truncated cone shape (19) in aligned position with the hole (16) of the corresponding lung (4).
  • the tubular projections (14) can have some projections (20) in its internal side against-exit, that assure the fixing of the cited bodies (19) with truncated cone shape.
  • the two halves (1) ) and (2) of the tank remain joined, their liberation can be realized if we act with a drill on the union points, like in the case that has been described before.
  • the lungs (3) have, in a central and axial way with regard to the tubular projections (14), a hole that makes easy to guide the bit and likewise, they have a hexagonal reduce for the seat of the head of the corresponding back fixing screw of both halves.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Prostheses (AREA)
  • Closures For Containers (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP98500012A 1997-01-21 1998-01-20 Dispositif de fermeture pour cuve en plastique de machine à laver Expired - Lifetime EP0854223B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9700103A ES2151330B1 (es) 1997-01-21 1997-01-21 Sistema de cierre mejorado para cuba plastica de lavadora.
ES9700103 1997-01-21

Publications (3)

Publication Number Publication Date
EP0854223A2 true EP0854223A2 (fr) 1998-07-22
EP0854223A3 EP0854223A3 (fr) 1998-10-14
EP0854223B1 EP0854223B1 (fr) 2003-04-16

Family

ID=8297929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98500012A Expired - Lifetime EP0854223B1 (fr) 1997-01-21 1998-01-20 Dispositif de fermeture pour cuve en plastique de machine à laver

Country Status (3)

Country Link
EP (1) EP0854223B1 (fr)
DE (1) DE69813324T2 (fr)
ES (1) ES2151330B1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004033785A1 (fr) * 2002-09-11 2004-04-22 BSH Bosch und Siemens Hausgeräte GmbH Cuve de lave-linge
WO2007115904A1 (fr) * 2006-04-12 2007-10-18 BSH Bosch und Siemens Hausgeräte GmbH Cuve pour machine à laver
WO2007129354A1 (fr) * 2006-05-04 2007-11-15 Meccanica Generale S.R.L. Réservoir modulaire pour lave-linge, combinés lave-linge/sèche-linge et appareils identiques
WO2009021934A1 (fr) * 2007-08-14 2009-02-19 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de fixation pour fixer un élément porteur de tambour sur le tambour d'un lave-linge et/ou d'un sèche-linge
US7841800B2 (en) * 2002-07-19 2010-11-30 Bsh Bosch Und Siemens Hausgeraete Gmbh Mounting fixture and drum assembly
EP2497853A1 (fr) * 2011-03-07 2012-09-12 Miele & Cie. KG Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique
CN103409969A (zh) * 2013-07-30 2013-11-27 松下家电研究开发（杭州）有限公司 一种滚筒洗衣机
EP3575476A1 (fr) * 2018-06-01 2019-12-04 Lg Electronics Inc. Tonneau pour une machine à laver
KR20200056125A (ko) * 2018-11-14 2020-05-22 엘지전자 주식회사 세탁기의 터브 및 이를 구비한 세탁기
KR20200056119A (ko) * 2018-11-14 2020-05-22 엘지전자 주식회사 세탁기의 터브 및 이를 구비한 세탁기
DE102021203346A1 (de) 2021-04-01 2022-10-06 BSH Hausgeräte GmbH Laugenbehälter und Wäschebehandlungsgerät

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2238153B1 (es) * 2003-08-14 2008-06-16 Bsh Electrodomesticos España S.A. Sistema de apertura de una cuba de lavadora.
CN109706695A (zh) * 2019-03-20 2019-05-03 滦州怡琪科技有限责任公司 滚筒洗衣机外筒密封结构
DE102021205433A1 (de) * 2021-05-28 2022-12-01 BSH Hausgeräte GmbH Laugenbehälter mit spezifischem Verbindungsbereich zwischen einem Hohlzylinder und einer Rückwand, sowie Haushaltsgerät

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1513957A (fr) * 1966-03-10 1968-02-16 Bosch Hausgeraete Gmbh Machine à laver
EP0103418A2 (fr) * 1982-09-15 1984-03-21 Colston Domestic Appliances Limited Essoreuse centrifuge à tambour en matière plastique
EP0152745A2 (fr) * 1984-02-13 1985-08-28 INDUSTRIE ZANUSSI S.p.A. Cuve en matière plastique pour machine à laver le linge
EP0272949A1 (fr) * 1986-11-18 1988-06-29 Ciapem Lave-linge muni d'une cuve en matière synthétique
EP0497109A1 (fr) * 1991-01-30 1992-08-05 Zanussi Elettrodomestici S.p.A. Cuve lestée pour machines à laver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3068041D1 (en) * 1979-09-19 1984-07-05 Amiens Const Elect Mec Washing and spin drying machine, the drum being driven by an immersed belt
ES1001168Y (es) * 1986-12-11 1988-11-16 Pascor, S.A. Cuba contenedora de liquidos para acoplamiento a lavadoras automaticas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1513957A (fr) * 1966-03-10 1968-02-16 Bosch Hausgeraete Gmbh Machine à laver
EP0103418A2 (fr) * 1982-09-15 1984-03-21 Colston Domestic Appliances Limited Essoreuse centrifuge à tambour en matière plastique
EP0152745A2 (fr) * 1984-02-13 1985-08-28 INDUSTRIE ZANUSSI S.p.A. Cuve en matière plastique pour machine à laver le linge
EP0272949A1 (fr) * 1986-11-18 1988-06-29 Ciapem Lave-linge muni d'une cuve en matière synthétique
EP0497109A1 (fr) * 1991-01-30 1992-08-05 Zanussi Elettrodomestici S.p.A. Cuve lestée pour machines à laver

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7841800B2 (en) * 2002-07-19 2010-11-30 Bsh Bosch Und Siemens Hausgeraete Gmbh Mounting fixture and drum assembly
US8056375B2 (en) 2002-07-19 2011-11-15 Bsh Bosch Und Siemens Hausgeraete Gmbh Method for fixing the drum of a washing machine and fitting for the same
WO2004033785A1 (fr) * 2002-09-11 2004-04-22 BSH Bosch und Siemens Hausgeräte GmbH Cuve de lave-linge
CN100406637C (zh) * 2002-09-11 2008-07-30 Bsh博施及西门子家用器具有限公司 洗衣机浸液容器
WO2007115904A1 (fr) * 2006-04-12 2007-10-18 BSH Bosch und Siemens Hausgeräte GmbH Cuve pour machine à laver
WO2007129354A1 (fr) * 2006-05-04 2007-11-15 Meccanica Generale S.R.L. Réservoir modulaire pour lave-linge, combinés lave-linge/sèche-linge et appareils identiques
WO2009021934A1 (fr) * 2007-08-14 2009-02-19 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de fixation pour fixer un élément porteur de tambour sur le tambour d'un lave-linge et/ou d'un sèche-linge
ES2339625A1 (es) * 2007-08-14 2010-05-21 Bsh Electrodomesticos España, S.A Dispositivo de fijacion, para fijar un elemento de soporte de tambor a un tambor de una maquina lavadora y/o maquina secadora.
EP2497853A1 (fr) * 2011-03-07 2012-09-12 Miele & Cie. KG Bac à lessive en matière synthétique pour un lave-linge ayant un vissage destiné à la fixation d'un clapet de bac à lessive en matière synthétique sur une enveloppe de récipient de bac à lessive en matière synthétique
CN103409969A (zh) * 2013-07-30 2013-11-27 松下家电研究开发（杭州）有限公司 一种滚筒洗衣机
CN103409969B (zh) * 2013-07-30 2016-03-09 松下家电研究开发（杭州）有限公司 一种滚筒洗衣机
EP3575476A1 (fr) * 2018-06-01 2019-12-04 Lg Electronics Inc. Tonneau pour une machine à laver
KR20190137514A (ko) * 2018-06-01 2019-12-11 엘지전자 주식회사 세탁기의 터브 및 이를 구비한 세탁기
US11193231B2 (en) 2018-06-01 2021-12-07 Lg Electronics Inc. Washing machine and tub for washing machine
KR20200056125A (ko) * 2018-11-14 2020-05-22 엘지전자 주식회사 세탁기의 터브 및 이를 구비한 세탁기
KR20200056119A (ko) * 2018-11-14 2020-05-22 엘지전자 주식회사 세탁기의 터브 및 이를 구비한 세탁기
DE102021203346A1 (de) 2021-04-01 2022-10-06 BSH Hausgeräte GmbH Laugenbehälter und Wäschebehandlungsgerät
WO2022207292A1 (fr) 2021-04-01 2022-10-06 BSH Hausgeräte GmbH Cuve et appareil de traitement de linge

Also Published As

Publication number Publication date
ES2151330A1 (es) 2000-12-16
DE69813324T2 (de) 2003-10-23
ES2151330B1 (es) 2001-06-16
EP0854223B1 (fr) 2003-04-16
DE69813324D1 (de) 2003-05-22
EP0854223A3 (fr) 1998-10-14

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