WO2013131997A1 - Appareil de traitement de linge à tambour rotatif avec un tambour doté d'un redan odoriférant - Google Patents

Appareil de traitement de linge à tambour rotatif avec un tambour doté d'un redan odoriférant Download PDF

Info

Publication number
WO2013131997A1
WO2013131997A1 PCT/EP2013/054581 EP2013054581W WO2013131997A1 WO 2013131997 A1 WO2013131997 A1 WO 2013131997A1 EP 2013054581 W EP2013054581 W EP 2013054581W WO 2013131997 A1 WO2013131997 A1 WO 2013131997A1
Authority
WO
WIPO (PCT)
Prior art keywords
lifter
laundry treating
main body
treating appliance
rotary drum
Prior art date
Application number
PCT/EP2013/054581
Other languages
English (en)
Inventor
Diego Dal Ben
Marco Santarossa
Sergio Pillot
Original Assignee
Electrolux Home Products Corporation N.V.
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 Electrolux Home Products Corporation N.V. filed Critical Electrolux Home Products Corporation N.V.
Priority to CN201380013270.XA priority Critical patent/CN104246058B/zh
Publication of WO2013131997A1 publication Critical patent/WO2013131997A1/fr

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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/203—Laundry conditioning arrangements
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • 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
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 

Definitions

  • the present invention relates in general to the technical field of the laundry treating appliance.
  • the invention relates to a rotary drum laundry treating appliance, such as a washing machine, a drying machine or a washing-drying machine provided with at least a lifter placed in the laundry receiving cavity formed by the rotary drum.
  • Known rotary drum laundry treating appliances usually comprise an external casing provided with a loading/unloading door that may be sealed by means of a gasket.
  • the loading/unloading door allows the access to a rotary drum that may be mounted within a tub.
  • the rotary drum comprises an inner cavity in which the laundry to be washed and/or dried can be loaded/unloaded through said door.
  • the drum is provided with one or more lifters adapted to improve the agitation of the laundry during the rotation of the drum.
  • the lifters are substantially prismatic elements fixed to the inner surface of the drum and positioned with their longitudinal axis substantially parallel to the longitudinal axis of the drum or inclined thereto.
  • European patent EP 1 495 178 discloses a device for dispensing products such as fabric softeners, sanitizers, water repellents, deodorizers, bleaches, anti-wrinkle agents and the like inside a dryer.
  • the product dispenser comprises a plate member and a product carrier, which carries a product.
  • the product carrier is operatively connected to the plate member, which may be attached, typically glued, to the inner surface of the dryer drum, e.g. at the lifter projecting from the drum.
  • the known product dispensers present some drawbacks .
  • the known product dispensers freely move inside the drum or, in the event they are attached to the drum, they can accidentally detach from the drum and thus again freely move inside it, thus causing noise or even risking to damage the laundry treating appliance.
  • the known product dispenser freely moving inside the drum can cause electrostatic charges to be accumulated on the laundry.
  • the user opens the door to unload the laundry she/he can get a light shock, thus being tiresome .
  • the main object of the present invention is to overcome the above mentioned drawbacks with respect to the known deodorizer dispensers by providing a rotary drum laundry treating appliance suitable for eliminating the unpleasant smell investing the user upon opening the loading/unloading door, meanwhile avoiding noise, damage to the appliance and electrostatic charges to be accumulated on the laundry.
  • a rotary drum laundry treating appliance comprising a casinga drum rotatably enclosed within the casing, in which laundry to be treated can be loaded, and at least one lifter comprising a main body projecting from an inner surface of the drum.
  • the rotary drum laundry treating appliance is characterised in that the at least one lifter comprises an odorizer portion integral, i.e. in one piece, with the main body.
  • the odorizer portion of the at least one lifter is over-in ected on the main body of the lifter.
  • the main body of the at least one lifter has a substantially frusto-conical cross-section and comprises a lower wall, suitable for being fixed to the inner surface of the drum, an upper wall and side walls connecting the lower and upper walls.
  • a recess is formed extending in the longitudinal direction of the main body and suitable for housing the odorizer portion of the lifter.
  • the recess is L-shaped and comprises a first section formed on the upper wall of the main body and a second section formed in a side wall of the main body. More preferably, the first section is smaller than the second section.
  • the odorizer portion of the at least one lifter is L-shaped and comprises a first portion, suitable for matching the first section of the recess, and a second portion suitable for matching the second section of the recess.
  • the odorizer portion of the at least one lifter is made of odorant polyolefin plastics. More preferably, the odorant polyolefin plastics are obtained by mixing an odour imparting material uniformly dispersed in a polyolefin polymeric or co-polymeric material with a filler and a polyolefin material.
  • the concentration of the odour imparting material in the polyolefin polymeric or co-polymeric material is 10 to 40% by weight.
  • the main body of the lifter to which the odorizer portion is made integral is formed by a polyolefin material and a filler. More preferably, said polyolefin material and filler forming the main body are the same of those composing the odorizer portion.
  • the odorizer portion of the at least one lifter is made in a different colour with respect to the main body of the lifter.
  • the main body of the lifter has a hollow structure defined by one or more perforated walls.
  • the drum is rotatably mounted within a tub .
  • Figure 1 is a perspective view of a rotary drum laundry treating appliance according to the present invention.
  • Figure 2 is a perspective view of an odorizer lifter of the laundry treating appliance of Figure 1 ;
  • Figure 3 is a cross-sectional front view of the odorizer lifter of Figure 2;
  • Figure 3A is an enlarged view of the particular circled in Figure 3.
  • FIG. 1 a rotary drum laundry treating appliance, according to a preferred embodiment of the present invention and exemplarily embodied as a laundry dryer, is schematically shown and generally designated with 10.
  • the laundry treating appliance 10 comprises a parallelepiped-shaped external casing 11. At a front wall 12 of the external casing 11 a door 13 is hinged, having a central substantially frusto-conical portion 14 typically made of glass or plastics. The door 13 is suitable for opening and closing a loading/unloading aperture 15 formed in the front wall 12 of the external casing 11.
  • the laundry treating appliance 10 further comprises a control panel 16 located on the front wall 12, above the loading/unloading aperture 15 and a drawer unit 17 that comprises a condensate collecting tank.
  • said drawer unit 17 may be embodied as a dispenser for detergent products or similar, e.g. softener, freshener, etc.
  • the drawer unit 17 is also located in the front wall 12, alongside the control panel 16.
  • the loading/unloading aperture 15 allows access to a rotatable drum 19, in which the laundry to be treated can be loaded.
  • the rotatable drum 19 is enclosed in the casing 11.
  • the rotatable drum 19 has a cylindrical perforated wall and it is mounted in a tub provided for collecting washing liquor.
  • the drum 19 comprises one or more lifters 20 mounted on the inner surface S thereof and positioned with their longitudinal axis substantially parallel to the longitudinal axis of the drum 19 or inclined thereto.
  • the lifters 20 are rotated together with the drum 19 to lift the laundry to a predetermined height.
  • the lifted laundry then falls from a lifter 20 by gravity to collide with another laundry article, drum 19, another lifter 20, or water in case the laundry treating machine is embodied as a washing or a washing-drying machine.
  • a lifter 20 comprising a main body 21 and an odorizer portion 30 integral, i.e. in a single unitary piece, with the main body 21.
  • the main body 21 is preferably hollow and has a substantially frusto-conical cross-section and comprises a lower wall 23 adapted to be fixed with known means, e.g. screwed to or snap-fitted into the inner surface 21 of the drum 19, an upper wall 24 and side walls 25 connecting the lower and upper walls 23, 24.
  • the side walls 25 are slightly curved.
  • the main body 21 further comprises a stiffening rib 26, which longitudinally extends for the whole length of the main body 21.
  • a recess 27 is formed, preferably extending in the longitudinal direction of the main body 21 and suitable for housing the odorizer portion 22 of the lifter 20.
  • the recess 27 is L-shaped and comprises a first portion 27a formed on the upper wall 24 and a second portion 27b formed on a side wall 25 of the main body 21.
  • At least one of the upper and side walls 24, 25 are perforated so as to allow a liquid to access the cavity enclosed by the main body 21.
  • the odorizer portion is correspondingly perforated such that, holes formed in the recess 27 corresponds, i.e. are axially aligned, to those formed in the odorizer portion.
  • the main body is preferably formed of a synthetic resin based material which is resistant against corrosion and abrasion due to laundry contact and, in case the laundry treating machine is embodied as a washing or a washing- drying machine, the synthetic resin based material is also resistant to water as well as fails to chemically react with a detergent or other chemicals normally used in a washing process.
  • the main body is made of a polyolefin material mixed with a filler .
  • the odorizer portion 22 of the lifter 20 is preferably plate shaped and is over-molded on the main body 21 of the lifter 20 at the recess 27 formed in the main body 21.
  • the odorizer portion 22 is also L-shaped and comprises a first portion 22a suitable for matching the first section 27a of the recess 27, and a second portion 22b, suitable for matching the second section 27b of the recess 27.
  • the odorizer portion 22 is made of odorant polyolefin plastics.
  • the odorant polyolefin plastics are obtained by mixing an odour imparting material uniformly dispersed in a polyolefin polymeric or co-polymeric material, commonly known as "masterbatch", with a filler material and a polyolefin material.
  • the concentration of the odorant polyolefin imparting material in the masterbatch is 10 to 40% by weight.
  • the filler material is preferably selected from calcium carbonate compounds, like dolomite (MgCa (00 3 ) 2 ) or calcium carbonate itself, silicate compounds, like mica (K2Al 6 Si 6 0 2 o (OH) 4 ) , talc (Mg 3 Si 4 O 10 (OH) 2 ) or silica itself.
  • the filler material has been found to trap on its surface the odour molecules contained in the masterbatch and therefore to greatly slow odour release from the plastics obtained .
  • a preferred amount of filler material to be added to the mixture of polyolefin material and masterbatch is comprised between 0.5 and 60% by weight.
  • the masterbatch represents up to 10% by weight and the polyolefin material 30 to 99% by weight.
  • the polyolefin and the filler materials of the odorizer portion 22 are the same in nature and composition of those composing the main body 21.
  • the main body 21 and the odorizer portion 22 of the lifter 20 are differently coloured, this increasing the aesthetic appearance of the lifter 20.
  • the odorizer portion has a colour corresponding to the perfume it exhales.
  • the present invention allows to provide a rotary drum laundry treating appliance suitable for eliminating unpleasant smell due to manufacturing processes without noise and damages to be caused to the laundry treating appliance itself and to the user.
  • the odorizer portion is integral with the main body of the lifter, no additional device has to be put inside the drum of the laundry treating appliance.
  • possible damages of the machine due to, for example, a perfumed napkin which is free to move inside the drum can be avoided.

Abstract

L'invention concerne un appareil de traitement de linge à tambour rotatif (10) comprenant un boîtier (11), un tambour (19) enfermé de manière rotative à l'intérieur de l'enveloppe (11), dans lequel le linge à laver peut être chargé et au moins un redan (20) comprenant un corps principal (21) faisant saillie depuis une surface périphérique intérieure (S) du tambour (19). L'au moins un redan (20) comprend en outre une partie du dispositif odoriférant (22) d'un seul tenant avec le corps principal (21).
PCT/EP2013/054581 2012-03-09 2013-03-07 Appareil de traitement de linge à tambour rotatif avec un tambour doté d'un redan odoriférant WO2013131997A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380013270.XA CN104246058B (zh) 2012-03-09 2013-03-07 具有设有增香剂升降器的滚筒的旋转滚筒衣物处理设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12158822.2A EP2636356B1 (fr) 2012-03-09 2012-03-09 Appareil de traitement de linge à tambour rotatif doté d'un tambour muni d'un poussoir de dispositif odoriférant
EP12158822.2 2012-03-09

Publications (1)

Publication Number Publication Date
WO2013131997A1 true WO2013131997A1 (fr) 2013-09-12

Family

ID=47844309

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/054581 WO2013131997A1 (fr) 2012-03-09 2013-03-07 Appareil de traitement de linge à tambour rotatif avec un tambour doté d'un redan odoriférant

Country Status (3)

Country Link
EP (1) EP2636356B1 (fr)
CN (1) CN104246058B (fr)
WO (1) WO2013131997A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170089002A1 (en) * 2015-09-28 2017-03-30 Indesit Company S.P.A. Household laundry-drying machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254139A (en) * 1979-12-20 1981-03-03 Colgate-Palmolive Company Laundry conditioner dispensing article
EP1495178A1 (fr) 2002-04-10 2005-01-12 Ecolab Inc. Support et distributeur de produit
WO2005085404A1 (fr) * 2004-02-27 2005-09-15 The Procter & Gamble Company Composition de conditionnement de textile polyvalente presentant un parfum ameliore
US20070271966A1 (en) * 2005-02-16 2007-11-29 The Procter & Gamble Company Methods and instructions for installing and removing a fabric conditioning article in a dryer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883723B2 (en) * 2002-04-10 2005-04-26 Ecolab Inc. Product dispenser and carrier
CN2595846Y (zh) * 2002-12-06 2003-12-31 杭州松下家用电器有限公司 一种带香味的干衣机
KR101028259B1 (ko) * 2008-07-17 2011-04-11 엘지전자 주식회사 의류건조기

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254139A (en) * 1979-12-20 1981-03-03 Colgate-Palmolive Company Laundry conditioner dispensing article
EP1495178A1 (fr) 2002-04-10 2005-01-12 Ecolab Inc. Support et distributeur de produit
WO2005085404A1 (fr) * 2004-02-27 2005-09-15 The Procter & Gamble Company Composition de conditionnement de textile polyvalente presentant un parfum ameliore
US20070271966A1 (en) * 2005-02-16 2007-11-29 The Procter & Gamble Company Methods and instructions for installing and removing a fabric conditioning article in a dryer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170089002A1 (en) * 2015-09-28 2017-03-30 Indesit Company S.P.A. Household laundry-drying machine
US9915022B2 (en) * 2015-09-28 2018-03-13 Indesit Company S.P.A. Household laundry-drying machine

Also Published As

Publication number Publication date
CN104246058A (zh) 2014-12-24
EP2636356B1 (fr) 2016-09-07
EP2636356A1 (fr) 2013-09-11
CN104246058B (zh) 2016-11-23

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