EP1055023A1 - Method for dosing detergent and device for carrying out said method - Google Patents
Method for dosing detergent and device for carrying out said methodInfo
- Publication number
- EP1055023A1 EP1055023A1 EP99907511A EP99907511A EP1055023A1 EP 1055023 A1 EP1055023 A1 EP 1055023A1 EP 99907511 A EP99907511 A EP 99907511A EP 99907511 A EP99907511 A EP 99907511A EP 1055023 A1 EP1055023 A1 EP 1055023A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow body
- detergent
- wall
- openings
- parts
- 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
Links
- 239000003599 detergent Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000004753 textile Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 12
- 235000011837 pasties Nutrition 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 35
- 239000000463 material Substances 0.000 description 11
- 239000004480 active ingredient Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- 206010037867 Rash macular Diseases 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XSVSPKKXQGNHMD-UHFFFAOYSA-N 5-bromo-3-methyl-1,2-thiazole Chemical compound CC=1C=C(Br)SN=1 XSVSPKKXQGNHMD-UHFFFAOYSA-N 0.000 description 1
- 208000031872 Body Remains Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- BGRWYDHXPHLNKA-UHFFFAOYSA-N Tetraacetylethylenediamine Chemical compound CC(=O)N(C(C)=O)CCN(C(C)=O)C(C)=O BGRWYDHXPHLNKA-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000013042 solid detergent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
Definitions
- the present invention relates to a method for metering detergents in the washing of textiles in the household and in the commercial sector, in which the detergents are used in pre-portioned form, and to a shaped body for carrying out this method.
- Detergents or auxiliary washing agents are now metered in the usual textile washing processes in such a way that these agents are added to the inflowing water or they are flushed into the actual washing containers by the inflowing water. Since this can lead to difficulties of various kinds, it has been proposed as an alternative, particularly for washing in drum washing machines, to pack the detergents or washing aids in individual portions in bags, directly into the washing room, where the wall material of the bags is either in water completely dissolves or the bags are opened by the water or the slowly increasing temperature.
- the detergent active ingredients are filled in the desired amount into dimensionally stable, porous hollow bodies and these hollow bodies are then placed in the washing container together with the textile goods. In the course of the rotational movement, the detergent active ingredients are then gradually leached out of the water through the openings in the hollow bodies. To ensure that the detergent active substances flow out slowly and as evenly as possible, for - 2 -
- the invention relates to a method for dosing pre-portioned textile detergents, in which the detergent is packaged in portions in one or more bags made of water-soluble film and introduced into a dimensionally stable, reclosable hollow body which has one or more permanent openings in its outer wall and which closes The hollow body and its contents are brought into contact with the water which is used to produce the wash liquor.
- the new method is suitable for dosing both liquid and powdery or block-shaped solid detergents or washing aids, but is particularly good for dosing viscous, gel or pasty detergents.
- the latter detergents have so far only been able to be dosed with the aid of complex premixers, so that their use was essentially limited to large, continuous washing machines which justified such an investment.
- the material from which the sachets are made can in principle be any water-soluble film-forming organic polymer materials. Preferably materials are used that can be safely discharged with the wastewater for ecological reasons. Films made of polyvinyl alcohol and - 3 -
- partially hydrolyzed polyvinyl acetate and copolymers of vinyl alcohol with monomers other than vinyl acetate and partially hydrolyzed copolymers of vinyl acetate with monomers other than vinyl alcohol.
- Partially hydrolyzed polyvinyl acetates are particularly preferred since the degree of hydrolysis allows the rate of dissolution of the film to be varied within wide limits.
- the shape of the bag and the thickness of the film material used can also be varied within wide limits, so that the opening behavior of the bags can be predetermined over a wide range.
- the reclosable hollow body which is used to hold the washing or washing aid packaged in portions, is a dimensionally stable hollow body which has one or more openings on one side in its outer wall.
- Dimensionally stable in this context means that the hollow body practically does not deform during the washing process in the washing machine drum under the forces and conditions occurring there.
- the hollow body should preferably not have any sharp outer corners and edges, which could lead to damage to sensitive textiles when the hollow body is continuously circulated together with the textiles in the washing drum. This means that, for example, cubes, tetrahedra or cuboids in the conventional form should preferably not be used in the method according to the invention, but bodies of this type, the corners and edges of which are rounded only to such an extent that the original shape of the body remains recognizable.
- Hollow bodies which have no flat outer surfaces and in particular those which have an essentially spherical shape are particularly preferably used.
- the hollow body should have at least one reclosable opening, which must be large enough so that the bags in which the detergent or washing aid is located can be inserted into the interior of the hollow body with ease. In the simplest case, this opening can be closed by inserting the bag with a waterproof adhesive strip.
- the hollow body is preferably composed of two or - 4 -
- the hollow body can be provided with a screw-in lid or with a lid that can be attached to the other part of the hollow body by a snap mechanism.
- the hollow body preferably consists of two parts of approximately the same size, which can be reversibly joined together. It is particularly preferred to use a hollow body which consists of two parts which are movably connected to one another and which can be assembled and separated again in the manner described above for closing and opening the hollow body.
- This movable connection can consist, for example, of a chain, a hinge or an equivalent elastic plastic band.
- An essential feature of the dimensionally stable, reclosable hollow body is the presence of one or preferably several permanent openings in its outer wall, these openings being intended to be provided on one side.
- the term "one-sided" in this case does not presuppose the presence of a real side and thus an angular body, but is only intended to mean here that the body can be divided into two equilibrium parts by a separating surface in such a way that one of the two There are more openings on the sides than on the other These openings are permanently present and significantly smaller than the filling opening of the hollow body, so that the unchanged bag cannot escape from these openings.
- Water and wash liquor should pass through the outer wall of the hollow body through these openings can flow, the flow rate can be determined within a wide range by the number and size of the openings.
- these openings should be provided so that all of these openings are on one side of the hollow body.
- the shape of the openings can be largely freely designed Size d it hollow body is chosen so that its interior of - 5 -
- the hollow body filled and reclosed with the detergent pouch is brought into contact with the water which is used to produce the wash liquor.
- the hollow body with the textile material is placed in the washing drum and is reached there by the inflowing water and later by the wash liquor during the washing process.
- the water that has penetrated into the hollow body through the openings does not leave it immediately because of the one-sided arrangement of the openings, but is first circulated in the hollow body due to its movement in the washing drum.
- the wall material of the bag dissolves and also releases the contents of the bag for dissolution in the water.
- the detergent Due to the delayed exchange of the water in the hollow body or the detergent solution with the surrounding water, the detergent is released into the wash liquor gradually and therefore very evenly. Direct contact between the undiluted detergent and the textile is avoided.
- the dispensing speed of the detergent can be adapted within wide limits to the needs of the washing process, taking into account its solubility and the water temperature.
- the hollow body used according to the invention has, in a special embodiment, a perforated partition in its interior, which is attached in such a way that its interior is in - 6 -
- the part of the room which receives the detergent is delimited by an outer wall without openings.
- the water preferably first penetrates into the part which contains no detergent and only reaches the detergent in the bag from this prechamber through the perforated partition. This makes it possible to control the opening speed not only by the number, the size and the arrangement of the openings in the outer wall of the hollow body, but also by the type of perforation in the partition.
- the partition can be firmly connected to the hollow body or can also be attached in an exchangeable form in the hollow body.
- the partition is preferably firmly connected to the part of the hollow body which is not intended for receiving the bag. This part preferably comprises 20 to 50% of the hollow body content.
- the perforation of the partition wall can consist of one or more small openings which can be provided in an insulated manner or can be designed like a screen or like a grid.
- the number and size of the openings determine the flow rate and thus the delay effect when the detergent dissolves in the wash liquor.
- the interaction of the perforated partition in the interior of the hollow body with the one-sided attachment of the openings in its outer wall leads to a particularly uniform distribution of the detergent in the wash liquor.
- the molded body can be made from any dimensionally stable material, provided that this material is unbreakable and corrosion-resistant under the above-mentioned conditions.
- the hollow body can be wholly or partly formed from metal or ceramic, but it is preferred to use plastic for its manufacture. - 7 -
- Plastics which allow the hollow body to be produced by injection molding are particularly preferred, in particular polyvinyl chloride (PVC), polyethylene (PE) and polypropylene (PP). Of these materials, polypropylene is particularly preferred. If required, however, the individual parts of the hollow body can also be made from different materials.
- Figure 1 shows in a schematic form a hollow body which can be used according to the invention in the form of a hollow ball, consisting of two parts (1, 2) of approximately the same size, which are movably connected with an elastic band (3).
- the upper of the two hollow spherical parts (1) has openings (4) in its outer wall which, in the process according to the invention, allow water or wash water to flow in and out.
- the lower part (2) of the hollow sphere has no such openings in its outer wall.
- Figure 1 shows the hollow sphere in its unfolded form; when the ball is closed, the reversible cohesion of the two hollow ball parts is ensured by a locking mechanism, not shown here.
- Figure 2 shows a hollow body according to the invention, which differs from the hollow body of Figure 1 by the presence of a perforated partition (5) in its interior.
- the perforated dividing wall (5) is fixed and connected all round to the part (1) of the hollow ball which has the openings (4) in its outer wall.
- the second part (2) of the hollow ball is intended for receiving the detergent pouch or pouches.
- Figure 2 also shows the hollow ball in its unfolded form, with a locking mechanism (not shown) ensuring that after folding both ball halves are reversible and sufficiently firmly connected to one another for the washing process.
- the method according to the invention also includes variants in which not the entire amount of detergent required for the wash cycle is contained in a single bag, but rather this amount of detergent in several bags - 8th -
- the individual bags can have the same content, for example if double or triple dosing of the detergent is desired because of particularly heavy soiling.
- the individual bags can also contain different detergent active ingredients if the intention is to use individual active ingredients only for special wash cycles, but not for others. In this way, the composition of the wash liquor can be controlled by the consumer within wide limits.
- the accommodation of individual detergent components in separate bags also makes it possible to use chemically incompatible substances that cannot be stored together in a washing bath.
- the process according to the invention was carried out in a commercial drum washing machine with a paste-like heavy-duty detergent containing bleach.
- the detergent was packaged in tubular bags made of polyvinyl alcohol in portions of 170 g. 1 bag per wash was placed in a spherical hollow body and this hollow body was then placed in the washing drum together with the laundry to be washed before the start of the washing process.
- the spherical hollow body consisted of two equal-sized hemispheres made of polyethylene, which were movably connected to each other with a plastic hinge and could be reversibly closed using a tongue and groove mechanism.
- nub-shaped elevations were attached to the outside on both spherical halves on the side opposite the hinge.
- a perforated intermediate wall was fixed and attached to the edge in such a way that it separated a spherical segment which comprised approximately 40% of the spherical volume.
- the outer wall of this separated spherical part had 50 circular holes with a diameter of 4 mm. There were 30 circular holes with a diameter of 2 mm in the partition.
- the outer wall of the lower hemisphere had no openings.
- the wall thickness of the hollow body was approximately 2 mm, the outer diameter 80 mm.
- the detergent had a specific weight of 1.52 g / cm 3 and had the following composition:
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detergent Compositions (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19806113A DE19806113A1 (en) | 1998-02-14 | 1998-02-14 | Process for dosing detergents and device suitable therefor |
DE19806113 | 1998-02-14 | ||
PCT/EP1999/000787 WO1999041442A1 (en) | 1998-02-14 | 1999-02-05 | Method for dosing detergent and device for carrying out said method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1055023A1 true EP1055023A1 (en) | 2000-11-29 |
EP1055023B1 EP1055023B1 (en) | 2002-09-18 |
Family
ID=7857746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99907511A Expired - Lifetime EP1055023B1 (en) | 1998-02-14 | 1999-02-05 | Method for dosing detergent |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1055023B1 (en) |
AT (1) | ATE224472T1 (en) |
DE (2) | DE19806113A1 (en) |
DK (1) | DK1055023T3 (en) |
ES (1) | ES2184416T3 (en) |
WO (1) | WO1999041442A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2374580B (en) | 2001-04-20 | 2003-07-16 | Reckitt Benckiser | Water-soluble containers |
GB0511943D0 (en) | 2005-06-13 | 2005-07-20 | Reckitt Benckiser Uk Ltd | Device |
DE102007012972B4 (en) * | 2007-03-14 | 2010-09-02 | Smart Fiber Ag | Device for the biocidal treatment of laundry |
ITRM20130213A1 (en) * | 2013-04-10 | 2014-10-11 | Mauro Pepe | PAINT-COLOR FILTER SYSTEM FOR FABRIC WASHING. |
GB2562534B (en) * | 2017-05-19 | 2022-06-22 | Cares Laboratory Ltd | Improvements to drying textiles |
EP3663455B1 (en) | 2018-12-03 | 2022-06-01 | Aptar Radolfzell GmbH | Dosing storage device and sets with same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1328999A (en) * | 1962-04-25 | 1963-06-07 | Thomson Houston Comp Francaise | Improvements to the use of dosed sachets in washing machines or appliances |
FR2628451B2 (en) * | 1987-05-06 | 1991-08-30 | Procter & Gamble | PROCESS FOR WASHING AND SOFTENING MACHINE LAUNDRY |
DE3806876A1 (en) * | 1988-02-15 | 1989-08-24 | Henkel Kgaa | DOSING MEMORY |
CH680226A5 (en) * | 1990-04-30 | 1992-07-15 | Heinz Riesen | |
DE9214065U1 (en) * | 1992-10-17 | 1993-06-03 | Dispo-Kommerz Ag, Huenenberg, Zug, Ch | |
DE4421317C1 (en) * | 1994-06-17 | 1996-02-29 | Henkel Kgaa | Dosing memory |
DE19536086C1 (en) * | 1995-09-28 | 1996-12-05 | Henkel Kgaa | Dispensing storage for detergent |
DE19549440C2 (en) * | 1995-12-20 | 2002-09-26 | Henkel Kgaa | dispenser |
-
1998
- 1998-02-14 DE DE19806113A patent/DE19806113A1/en not_active Withdrawn
-
1999
- 1999-02-05 DE DE59902746T patent/DE59902746D1/en not_active Expired - Lifetime
- 1999-02-05 ES ES99907511T patent/ES2184416T3/en not_active Expired - Lifetime
- 1999-02-05 DK DK99907511T patent/DK1055023T3/en active
- 1999-02-05 EP EP99907511A patent/EP1055023B1/en not_active Expired - Lifetime
- 1999-02-05 AT AT99907511T patent/ATE224472T1/en not_active IP Right Cessation
- 1999-02-05 WO PCT/EP1999/000787 patent/WO1999041442A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9941442A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1055023B1 (en) | 2002-09-18 |
DK1055023T3 (en) | 2003-01-27 |
ATE224472T1 (en) | 2002-10-15 |
ES2184416T3 (en) | 2003-04-01 |
DE19806113A1 (en) | 1999-08-19 |
DE59902746D1 (en) | 2002-10-24 |
WO1999041442A1 (en) | 1999-08-19 |
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