US20100000268A1 - Device for the Treatment of Laundry Using Biocides - Google Patents

Device for the Treatment of Laundry Using Biocides Download PDF

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Publication number
US20100000268A1
US20100000268A1 US12/558,501 US55850109A US2010000268A1 US 20100000268 A1 US20100000268 A1 US 20100000268A1 US 55850109 A US55850109 A US 55850109A US 2010000268 A1 US2010000268 A1 US 2010000268A1
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US
United States
Prior art keywords
shell
biocidal
hollow body
biocidal substance
laundry
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.)
Abandoned
Application number
US12/558,501
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English (en)
Inventor
Michael Kohne
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.)
Smart Fiber AG
Original Assignee
Smart Fiber AG
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 Smart Fiber AG filed Critical Smart Fiber AG
Assigned to SMART FIBER AG reassignment SMART FIBER AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KOHNE, MICHAEL
Publication of US20100000268A1 publication Critical patent/US20100000268A1/en
Abandoned 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
    • 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
    • D06F39/024—Devices for adding soap or other washing agents mounted on the agitator or the rotating drum; Free body dispensers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/046—Insoluble free body dispenser

Definitions

  • the invention relates to a device for the biocidal treatment of laundry in a washing machine.
  • Biocides are capable of killing or at least growth-retarding microorganisms such as bacteria, viruses, fungi and/or spores.
  • Certain biocidal substances have a biocidal effect in suitable dosing, and are generally harmless to the human organism and especially human metabolism. When these substances are added to washing machines, they decrease the level of bacteria therein.
  • These biocidal substances are typically delivered utilizing a dosing apparatus to deliver the biocide to either the detergent or directly into the drum upon loading the same with laundry.
  • a biocidal treatment of each batch of laundry in this manner is both laborious and entails the risk of underdosage or overdosage.
  • the present invention is directed toward a device that dispenses predetermined amounts of biocide within an aqueous environment and, in particular, during the wash cycle of a washing machine.
  • the device includes a housing having an exterior body and an interior body nested within the exterior body.
  • the interior body defines an internal chamber in which a biocide is contained.
  • the housing includes a series of apertures that provide fluid communication into the interior chamber of the housing.
  • the device is placed into the drum of a washing machine filled with water. As the drum operates, fluid enters the housing through the apertures, interacting with the biocide, a portion of which is dispensed into the water.
  • the biocide-enriched water then travels out through the apertures in the housing. In this manner, biocide is delivered to the laundry-filled drum.
  • the biocide coats drum components and clothing therein to prevent to formation of bacteria.
  • FIG. 1 illustrates a front view of the biocide-dispensing apparatus in accordance with an embodiment of the present invention.
  • FIG. 2 illustrates a top view of the apparatus of FIG. 1 .
  • FIG. 3 illustrates a cross-sectional view taken along line B-B in FIG. 2 .
  • FIG. 4 illustrates a cross-sectional view taken along line D-D in FIG. 2 .
  • FIG. 5 illustrates a close-up view of the device of FIG. 1 , showing the latch mechanism and the details on an enlarged scale.
  • FIGS. 1 and 2 illustrate the dispensing device in accordance with an embodiment of the invention.
  • the device may include a housing in the form of a hollow sphere having an upper shell portion or hemisphere 1 and a bottom shell portion or hemisphere 2 .
  • the shell portions 1 , 2 are perforated and may be latched together (discussed in greater detail below).
  • the dimensions of the sphere may be any suitable for its described purposed.
  • the exterior diameter of the sphere can be approximately 50 mm.
  • FIGS. 1 and 3 further show that the upper shell portion 1 is provided with a first set of holes 4 A and the bottom shell portion 2 is provided with a second set of holes 4 B.
  • the arrangement, number, and cross-section of the openings in the hollow-body shell have an influence on the concentration of the biocidal substance in the washing and/or rinsing baths.
  • the holes 4 A, 4 B in the hollow-body shell can consist of two sets of mutually opposite holes with diameters of between 0.5 mm and 5 mm, with these two sets of holes being appropriately opposite of one another.
  • the sphere further includes an internal chamber in which a biocidal substance is contained.
  • a carrier body 3 (shown as a cube) is enclosed in the interior of the hollow sphere.
  • the carrier body or substrate 3 contains a biocidal substance (e.g., a bactericide).
  • the carrier body 3 can be a fiber structure in the form of a non-woven material or multi-layer knitwear or fabric which is doped (e.g., impregnated) with the biocidal substance.
  • the carrier body 3 may include silver-containing cellulosic fibers with ion-exchanging properties.
  • Support materials to be considered can also be doped porous polymers, polyurethane, activated carbon, zeolites, ceramics, and the like.
  • the carrier body 3 may further include nanoscale particles coated onto or embedded into a carrier material (also called a substrate or support structure).
  • a carrier material also called a substrate or support structure.
  • Suitable organic or inorganic, porous or water-permeable carrier materials are known.
  • the biocidal substance comprises metal ions. These can include ions of at least one of the metals of Ag, Cu, Zn, Au, Ir, Pd, Ti, Al and Sn.
  • the biocidal substance can comprise quaternary ammonium compounds, triclosan, isothiazoline, antibiotics, chitosan or mixtures thereof. It is understood that the use of a mixture of different biocidal substances is also possible.
  • the carrier body 3 when the biocidal substance is a granulated or compact, e.g., a slightly soluble metal salt.
  • the average effective concentration is set by the number and the cross section of the holes, the type of carrier material, and the quantity of its doping with the biocidal substance and, alternatively, its granulation and quantity.
  • the concentration of the biocide may be from approximately 1 ⁇ g/L to 10 mg/L water.
  • the hollow body comprises an inner shell and an outer shell.
  • the outer shell can be formed of a soft or elastic material which protects the laundry drum components, as well as provides an arrangement that is appealing with respect to color and haptics (texture/touch).
  • both shell portions 1 , 2 are two-layered, with the upper shell portion 1 including an inner shell 1 . 1 nested within an outer shell 1 . 2 and the lower shell portion 2 including an inner shell 2 . 1 nested within an outer shell 2 . 2 .
  • the inner shells 1 . 1 , 2 . 1 may be formed from plastic that ensures mechanical strength such as a glass-fiber-reinforced polypropylene.
  • the outer shells 1 . 2 , 2 . 2 may be formed from a thermoplastic elastomer.
  • the inner 1 . 1 , 2 . 1 and outer 1 . 2 , 2 . 2 shells may be integrally connected by melting together or in any other suitable manner.
  • Both the inner 1 . 1 , 2 . 1 and outer 1 . 2 , 2 . 2 shells may include the above-described apertures or holes 4 A, 4 B that provide fluid communication through the wall of the sphere, permitting water to enter and exit the internal chamber of the sphere.
  • each shell 1 . 1 , 1 . 2 , 2 . 1 , 2 . 2 may include holes having the same or different diameters.
  • the holes 4 A, 4 B may be provided in a stepped arrangement, i.e., the cross sectional dimensions of the holes in the outer shells 1 . 2 , 2 . 2 may be slightly larger than the cross sectional dimension of the corresponding holes in the inner shell 1 . 1 , 2 . 1 .
  • the diameter of the hole is approximately one millimeter.
  • the inner shell 1 . 1 of the upper portion 1 and the inner shell 2 . 1 of the bottom portion 2 may be latched together circumferentially in a substantially non-detachable manner.
  • the inner shells 1 . 1 , 2 . 1 are coupled via a latch 5 , e.g., tongue-and-groove connection.
  • the upper inner shell 1 . 1 may include a tongue 50 that mates with a corresponding groove 55 formed into the lower inner shell 2 . 1 .
  • the upper inner shell 1 . 1 is provided with numerous webs which provide it with a high stiffness, so that the hollow sphere can only be opened by destroying the same.
  • the apparatus may further include an indicator or sensor embedded into the hollow-body shell in at least one location operable to indicate the end of the useful life of the apparatus by, e.g., changing its color.
  • an indicator or sensor embedded into the hollow-body shell in at least one location operable to indicate the end of the useful life of the apparatus by, e.g., changing its color.
  • This is especially useful when the apparatus can be used for a very large number of laundry batches, e.g. 100, by suitable choice of the biocidal structure.
  • the period of use can also be limited in such a case by mechanical wear and tear of the hollow body.
  • one or both shell portions 1 , 2 can carry an indicator substance which assumes the place of one hole (not illustrated).
  • the sensing time depends on the number, duration, and the washing bath temperatures. The sensor indicates that the effectiveness of the biocidal substances is coming to an end.
  • the hollow body is preferably a hollow sphere, and may be formed from a detergent-resistant plastic.
  • the biocides may include substances that, when in contact with an aqueous medium, are released in an effective concentration which is harmless for human metabolism.
  • Biocidal substances are especially preferred which are effective not only during the washing cycle, but also lead to an impregnation of the laundry, so that the laundry is equipped in a biocidal manner after the washing for a prolonged period of time, i.e., the invasion and/or the reproduction of microorganisms is reduced considerably or even suppressed completely for some time. This effect was proven especially in a quantitative respect in the use of metal ions as mentioned above, especially silver ions.
  • the two half-shells of the hollow body may be latched onto each other, and in particular, may be non-detachably latched to each other by the manufacturer after the introduction of the biocidal substance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Detergent Compositions (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
US12/558,501 2007-03-14 2009-09-12 Device for the Treatment of Laundry Using Biocides Abandoned US20100000268A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007012972.8 2007-03-14
DE102007012972A DE102007012972B4 (de) 2007-03-14 2007-03-14 Vorrichtung zur bioziden Behandlung von Wäsche
PCT/EP2008/001811 WO2008110300A1 (de) 2007-03-14 2008-03-06 Vorrichtung zur bioziden behandlung von wäsche

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/001811 Continuation WO2008110300A1 (de) 2007-03-14 2008-03-06 Vorrichtung zur bioziden behandlung von wäsche

Publications (1)

Publication Number Publication Date
US20100000268A1 true US20100000268A1 (en) 2010-01-07

Family

ID=39560899

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/558,501 Abandoned US20100000268A1 (en) 2007-03-14 2009-09-12 Device for the Treatment of Laundry Using Biocides

Country Status (10)

Country Link
US (1) US20100000268A1 (de)
EP (1) EP2140059A1 (de)
JP (1) JP2010520794A (de)
KR (1) KR20090118977A (de)
CN (1) CN101646820A (de)
CA (1) CA2680068A1 (de)
DE (1) DE102007012972B4 (de)
IL (1) IL200796A0 (de)
RU (1) RU2009137771A (de)
WO (1) WO2008110300A1 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080000098A1 (en) * 2006-02-20 2008-01-03 Choi Chul J Drying machine and method for controlling the same
US20110232337A1 (en) * 2010-03-25 2011-09-29 Aktiebolaget Skf Bearing Assembly for Washing Machine Tubs
WO2012162022A2 (en) * 2011-05-20 2012-11-29 Dober Chemical Corporation Systems and methods for releasing additive components
WO2014055051A1 (en) * 2012-12-19 2014-04-10 Korunsky Vadim Container for the delivery and distribution of the lure or food or pharmaceutical substance for fish or for the dissolution of the substance in the aquatic environment
US20160339611A1 (en) * 2015-05-22 2016-11-24 The Boeing Company Thermoplastic composite part and method of fabrication
US9689106B2 (en) 2013-12-06 2017-06-27 Applied Silver, Inc. Antimicrobial fabric application system
WO2017197260A1 (en) 2016-05-12 2017-11-16 Applied Silver, Inc. Articles and methods for dispensing metal ions into laundry systems
US10351807B2 (en) 2015-08-21 2019-07-16 Applied Silver, Inc. Systems and processes for treating textiles with an antimicrobial agent
US10640403B2 (en) 2013-08-15 2020-05-05 Applied Silver, Inc. Antimicrobial batch dilution system
US10760207B2 (en) 2017-03-01 2020-09-01 Applied Silver, Inc. Systems and processes for treating textiles with an antimicrobial agent
US11618696B2 (en) 2013-08-15 2023-04-04 Applied Silver, Inc. Antimicrobial batch dilution system
US11622557B2 (en) 2016-10-31 2023-04-11 Applied Silver, Inc. Dispensing of metal ions into batch laundry washers and dryers

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
US20140201929A1 (en) * 2011-08-22 2014-07-24 Haier Group Technique R & D Center Washing machine and washing method thereof
DE102012210051A1 (de) 2012-06-14 2013-12-19 Christian Lauke Mikrobizider Speicher
ITRM20130213A1 (it) * 2013-04-10 2014-10-11 Mauro Pepe Sistema di filtri acchiappa-colore per il lavaggio dei tessuti.
ES2543926B1 (es) 2013-12-19 2016-05-31 Zobele Espana Sa Dispensador para lavadoras
DE102017223218A1 (de) * 2017-12-19 2019-06-19 Henkel Ag & Co. Kgaa Vorrichtung umfassend einen Kern und ein Gehäuse, das ein erstes und ein zweites Hüllenelement aufweist
CN109267300A (zh) * 2018-11-05 2019-01-25 长春理工大学 一种新型紫外光洗衣球
DE202019105458U1 (de) * 2019-10-02 2021-01-19 Q One Holding Ag Wäschedesinfektionsvorrichtung

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US4014105A (en) * 1970-10-20 1977-03-29 Colgate-Palmolive Company Article, apparatus and method for conditioning fibrous materials with liquid conditioning composition
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US6609311B2 (en) * 2000-10-18 2003-08-26 Unilever Home & Personal Care Usa Division Of Conopco, Inc. Fabric treatment device
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US20080131471A1 (en) * 2006-11-30 2008-06-05 Smart Fiber Ag Method of Transferring Bacteriostatic Properties to a Product in an Aqueous Solution
US7517366B2 (en) * 2004-02-10 2009-04-14 Eco-Safe Technologies, Llc Multiuse, solid cleaning device and composition
US7595291B2 (en) * 2005-03-14 2009-09-29 Basf Aktiengesellschaft Esterified alkyl alkoxylates used as low-foam surfactants

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US4014105A (en) * 1970-10-20 1977-03-29 Colgate-Palmolive Company Article, apparatus and method for conditioning fibrous materials with liquid conditioning composition
US3706140A (en) * 1970-11-25 1972-12-19 Systematic Research & Dev Corp Multi-use dispensing device
US4880547A (en) * 1975-06-30 1989-11-14 Kenji Etani Methods for water treatment
US4532719A (en) * 1983-03-08 1985-08-06 Lever Brothers Company Method and device for conditioning fabrics in a tumble-dryer
US5433882A (en) * 1992-12-16 1995-07-18 Eco Japan Co., Ltd. Ceramic-based detergent composition containing sodium and potassium oxides
US5768917A (en) * 1996-09-17 1998-06-23 Freida; Leu Shiow Jiuan Laundry ball
US5946951A (en) * 1997-04-05 1999-09-07 Daikyo Co., Ltd. Auxiliary device for activating cleaning water
US6032495A (en) * 1999-03-02 2000-03-07 Leu; Shiow Jiuan Freida Wash ball
US20040038848A1 (en) * 2000-05-12 2004-02-26 Steven Kritzler Biocidal cloth
US6609311B2 (en) * 2000-10-18 2003-08-26 Unilever Home & Personal Care Usa Division Of Conopco, Inc. Fabric treatment device
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US20060283567A1 (en) * 2003-04-04 2006-12-21 Reiner Buettner Cellulosed molded article having a functional effect and method for producing the same
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US20080131471A1 (en) * 2006-11-30 2008-06-05 Smart Fiber Ag Method of Transferring Bacteriostatic Properties to a Product in an Aqueous Solution

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080000098A1 (en) * 2006-02-20 2008-01-03 Choi Chul J Drying machine and method for controlling the same
US20090277035A1 (en) * 2006-02-20 2009-11-12 Lg Electronics Inc. Drying machine and method for controlling the same
US8931186B2 (en) 2006-02-20 2015-01-13 Lg Electronics Inc. Drying machine and method for controlling the same
US9206542B2 (en) 2006-02-20 2015-12-08 Lg Electronics Inc. Drying machine and method for controlling the same
US20110232337A1 (en) * 2010-03-25 2011-09-29 Aktiebolaget Skf Bearing Assembly for Washing Machine Tubs
US8590347B2 (en) * 2010-03-25 2013-11-26 Aktiebolaget Skf Bearing assembly for washing machine tubs
WO2012162022A2 (en) * 2011-05-20 2012-11-29 Dober Chemical Corporation Systems and methods for releasing additive components
WO2012162022A3 (en) * 2011-05-20 2013-03-28 Dober Chemical Corporation Systems and methods for releasing additive components
WO2014055051A1 (en) * 2012-12-19 2014-04-10 Korunsky Vadim Container for the delivery and distribution of the lure or food or pharmaceutical substance for fish or for the dissolution of the substance in the aquatic environment
US11618696B2 (en) 2013-08-15 2023-04-04 Applied Silver, Inc. Antimicrobial batch dilution system
US10640403B2 (en) 2013-08-15 2020-05-05 Applied Silver, Inc. Antimicrobial batch dilution system
US10000881B2 (en) 2013-12-06 2018-06-19 Applied Silver, Inc. Method for antimicrobial fabric application
US10774460B2 (en) 2013-12-06 2020-09-15 Applied Silver, Inc. Antimicrobial fabric application system
US10087568B2 (en) 2013-12-06 2018-10-02 Applied Silver, Inc. Antimicrobial fabric application system
US9689106B2 (en) 2013-12-06 2017-06-27 Applied Silver, Inc. Antimicrobial fabric application system
US20160339611A1 (en) * 2015-05-22 2016-11-24 The Boeing Company Thermoplastic composite part and method of fabrication
US10569453B2 (en) * 2015-05-22 2020-02-25 The Boeing Company Thermoplastic composite part and method of fabrication
US10351807B2 (en) 2015-08-21 2019-07-16 Applied Silver, Inc. Systems and processes for treating textiles with an antimicrobial agent
US11292993B2 (en) 2015-08-21 2022-04-05 Applied Silver, Inc. Systems and processes for treating textiles with an antimicrobial agent
EP3454660A4 (de) * 2016-05-12 2019-10-23 Applied Silver Inc. Artikel und verfahren zur abgabe von metallionen in wäschesysteme
WO2017197260A1 (en) 2016-05-12 2017-11-16 Applied Silver, Inc. Articles and methods for dispensing metal ions into laundry systems
US11634860B2 (en) 2016-05-12 2023-04-25 Applied Silver, Inc. Articles and methods for dispensing metal ions into laundry systems
US11622557B2 (en) 2016-10-31 2023-04-11 Applied Silver, Inc. Dispensing of metal ions into batch laundry washers and dryers
US11053637B2 (en) 2017-03-01 2021-07-06 Applied Silver, Inc. Systems and processes for treating textiles with an antimicrobial agent
US10760207B2 (en) 2017-03-01 2020-09-01 Applied Silver, Inc. Systems and processes for treating textiles with an antimicrobial agent

Also Published As

Publication number Publication date
DE102007012972A1 (de) 2008-10-02
CA2680068A1 (en) 2008-09-18
KR20090118977A (ko) 2009-11-18
IL200796A0 (en) 2010-05-17
RU2009137771A (ru) 2011-04-20
EP2140059A1 (de) 2010-01-06
JP2010520794A (ja) 2010-06-17
DE102007012972B4 (de) 2010-09-02
WO2008110300A1 (de) 2008-09-18
CN101646820A (zh) 2010-02-10

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