EP2388309B2 - Waschmitteltabletten mit mehr als vier Seitenflächen - Google Patents

Waschmitteltabletten mit mehr als vier Seitenflächen Download PDF

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Publication number
EP2388309B2
EP2388309B2 EP10005125.9A EP10005125A EP2388309B2 EP 2388309 B2 EP2388309 B2 EP 2388309B2 EP 10005125 A EP10005125 A EP 10005125A EP 2388309 B2 EP2388309 B2 EP 2388309B2
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EP
European Patent Office
Prior art keywords
detergent
tablet
tablets
composition
side surfaces
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.)
Active
Application number
EP10005125.9A
Other languages
English (en)
French (fr)
Other versions
EP2388309A1 (de
EP2388309B1 (de
Inventor
Henk Beenen
Robbert De Boer
René Mol
Marco Ruiter
Janco Van Ommen
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.)
Dalli Werke GmbH and Co KG
Original Assignee
Dalli Werke GmbH and Co KG
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Filing date
Publication date
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Application filed by Dalli Werke GmbH and Co KG filed Critical Dalli Werke GmbH and Co KG
Priority to PL10005125T priority Critical patent/PL2388309T3/pl
Priority to ES10005125.9T priority patent/ES2601906T3/es
Priority to EP10005125.9A priority patent/EP2388309B2/de
Publication of EP2388309A1 publication Critical patent/EP2388309A1/de
Application granted granted Critical
Publication of EP2388309B1 publication Critical patent/EP2388309B1/de
Publication of EP2388309B2 publication Critical patent/EP2388309B2/de
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Classifications

    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets

Definitions

  • the present invention refers to detergent tablets in form of pressed bodies having an upper and a lower surface and more than four side surfaces, wherein the tablet has 8 or 10 edges of equal angles and 8 or 10 side surfaces of the same length, wherein the side surfaces have equal length and the edges have equal angles, accordingly, the tablet is in the form of a symmetrical polygon.
  • Detergent tablets like e.g. automatic dishwashing detergent tablets or laundry detergent tablets in Europe commonly are provided in form of bars or pressed bodies having an upper and a lower surface, four 90° angles and two longer and two shorter sides. Accordingly, considered in an onview they have a rectangular form wherein dimensions of about 34 mm length and about 25 mm width are usual. Said form fits perfectly in the applied dosing chambers of automatic dishwashing machines or laundry machines in the European market.
  • the object of the present invention was to provide stable detergent tablets providing a unit dose of a modern detergent which are easy to handle during preparation, transport and packaging process.
  • a detergent tablet having an upper and a lower surface and 8 to 10 edges of equal angles and 8 or 10 side surfaces of the same length, wherein the side surfaces have equal length and the edges have equal angles, accordingly, the tablet is in the form of a symmetrical polygon.
  • the contact points or contact areas are meant connecting the side surfaces of the tablets to each other.
  • the upper and the lower surface of the tablet are parallel to each other wherein the angels connecting them to the side surfaces are essentially 90° (upper or lower surface to the side surfaces), whereas the side surfaces are connected to each other by equal angels, wherein the side surfaces all have the same length.
  • the tablet is in the form of a symmetrical polygon.
  • the tablet has 8 or 10 edges of equal angels and 8 or 10 side surfaces of the same length. Most preferred the tablet has 8 edges and 8 side surfaces of the same length resulting in an octagon (onview).
  • Rectangular tablets having less width than commonly used up to now result in a lower stability are difficult to steer or arrange during the processing, e.g. on a transport belt and during a wrapping process. Accordingly the speed of preparation, transport, optionally wrapping and packaging has significantly decreased to obtain not too much degraded material. Besides these aspects also the flow wrappers need significant modifications if the width of the tablets is decreased noticeable.
  • Tablets having a decreased length without modifying the width show the tendency to turn during the transport to the wrapping angles or packaging station. Accordingly blockages occur and the edges of the tablets can break. This results in a high dust charge. Furthermore it becomes difficult to steer or arrange the tablets for further processing e.g. for the wrapping or packaging process.
  • Round tablets having a diameter of about 25 mm have shown to eliminate the problems of breaking edges of the tablets and of steering / arranging the tablets during the transport on the conveyor belts for further processing.
  • the round tablets showed the tendency to spin on the conveyor belt, activated by the steering rails on the side of said belts. The spinning causes significant abrasion of the tablets, resulting in an undesired dust formation. This might be overcome e.g. by a protecting coating on the tablets, however, this decreases the production speed and increases the preparation costs.
  • the detergent tablets of the present invention can be prepared from any known detergent compositions providing e.g. automatic dishwashing compositions, laundry detergent compositions, beaching compositions, water softening compositions or stain remover compositions.
  • composition serving as a basis for the detergent tablets of the present invention is not limiting the invention, since it is not essential which type of detergent composition is representing the tablet. Any detergent composition which can be provided in form of a tablet can be used according to the invention.
  • Tablets of the present invention representing automatic dishwashing tablets preferably have a width of about 18 to 34 mm, preferably of about 20 to 32 mm, more preferably of about 22 to 30 mm and most preferred of about 24 to 28 mm. Since all side surfaces have the same length the tablet has a "diameter" (width between two parallel side surfaces) as mentioned before.
  • Such automatic dishwashing tablets have a decreased weight compared to the up to now commonly used dishwashing tablets, preferably a weight between 8 and 20 g, more preferred between 9 and 18 g and most preferred between 10 and 16 g.
  • Tablets of the present invention representing laundry detergent tablets preferably have a width of about 30 to 70 mm, preferably of about 35 to 55 mm and most preferred of about 40 to 50 mm. In the preferred case where all side surfaces have the same length the tablet has a "diameter" (width between two parallel sides) as mentioned before.
  • Laundry detergent tablets preferably have a weight of 15 to 70 g, preferably 20 to 50 g and most preferred of about 25 to 45 g.
  • the present form of the tablets results in stable tablets which are easy to process and to handle.
  • the present tablets have less tendency to break and can be placed in the dosing chambers of any common dishwashing and laundry machine.
  • the tablets, particularly automatic dishwashing tablets, of the present invention can be wrapped by any film, foil or paper, as presently known in the art. Due to their essentially unchanged width and thickness compared to up to now commonly produced tablets the wrapping equipment and wrapping machines don't have to be changed significantly.
  • the tablets of the present invention can be coated with any of the known coating compositions for detergent tablets.
  • coating compositions are extensively described in the state of the art. Which type of such coatings is used is not limiting the invention.
  • Preparation of the tablets can be carried out by pressing a particulate detergent composition e.g. in a mould, by sintering a detergent composition, by melting and solidifying a detergent composition or by a mixture of said methods or by any other process known for preparing detergent tablets.
  • the preparation process is not limiting the invention as long as a tablet is obtained having the properties as described above and claimed.
  • the tablets can represent a unit dose for automatic dishwashing, for laundry washing of for any other desired use, wherein the tablet can consist of one continuous phase or of several phases like different tablet parts, preferably different layers, an inlay, an additional part attached on at least one of the surfaces or a filled cavity. If the tablet comprises different phases it is preferred that these phases differ in their composition, e.g. providing different detergent ingredients at different time periods during the wash cycles of an automatic dishwashing machine.
  • the tablet can comprise one, two, three, four, five or more different phases, preferably one, two or three. Examples for such tablets are multilayer tablets, tablets providing a cavity which is filled with a liquid, particulate or solid additive, tablets with a non-compressed portion on at least one of their upper or lower surfaces and tablets including an inlay.
  • the present invention provides a detergent tablet which can be prepared from any known detergent composition using any of the commonly used preparation equipment and machines, which due to the modern raw materials has less weight and accordingly different dimensions compared to rectangular tablets used up to know, showing high stability during preparation process. Accordingly a smaller tablet can be prepared without significant changes in any equipment or machines which due to its form is stable, easy to handle, to process, optionally to wrap and to package.
  • the tablets of the present invention are particularly suitable in a process for wrapping, packaging or coating said tablets.
  • they are suitable for wrapping on a flow wrapping machine, automatic packaging and/ or automatic coating by suitable machines, since they are easily to process automatically without breakage and without significant abrasion during said automatic processing. Due to their behavior to essentially arrange themselves on a conveyor belt they are particularly suitable in any process including transport on such a belt.
  • the figures show one particularly preferred embodiment of the present invention, a tablet having 8 edges of the same angle and 8 sides of the same length.
  • the tablet is shown as a two-layered tablet, however, this should not limit the octagonal embodiment in any way.
  • Detergent tablets were prepared by pressing 15 g of an automatic dishwashing detergent composition commonly used for tablets in an according mould.
  • the detergent powder was dosed in the according mould, the according punch provided a pressure on the powder of 50 ⁇ 10 3 Newton during maximal 1 second.
  • the tablets were processed according to commonly used tablets, i.e. transported on a conveyor belt to a flow wrapper and/or to a packaging station.
  • Table 1 Example compressability behavior on conveyor belt breakage abrasion/dust charge A good arranged in line high middle B good arranged in line high middle C good turns up to 45° at the edges high D good spins low high E good arranged correctly low low low F good arranged correctly low low low G good arranged correctly low low Table 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Claims (8)

  1. Reinigungsmitteltablette mit einer oberen und einer unteren Oberfläche und mehr als 4 Seitenflächen mit mehr als vier Ecken, wobei die Tablette 8 oder 10 Ecken mit gleichen Winkeln und 8 oder 10 Seitenflächen der gleichen Länge aufweist, wobei die Seitenflächen gleiche Längen und die Ecken gleiche Winkel aufweisen, so dass die Tablette dementsprechend die Form eines symmetrischen Polygons aufweist.
  2. Reinigungsmitteltablette nach Anspruch 1 mit 8 Ecken und 8 Seitenflächen gleicher Länge, so dass die Tablette ein Oktagon darstellt.
  3. Reinigungsmitteltablette nach einem der Ansprüche 1 bis 2, wobei die Reinigungsmitteltablette umhüllt ist.
  4. Reinigungsmitteltablette nach einem der Ansprüche 1 bis 3 wobei die Reinigungsmittelzusammensetzung eine Maschinengeschirrspülmittelzusammensetzung, eine Waschmittelzusammensetzung, eine Bleichzusammensetzung, eine Wasserenthärterzusammensetzung oder eine Fleckenentfernerzusammensetzung bereitstellt.
  5. Reinigungsmitteltablette nach einem der Ansprüche 1 bis 4, wobei die Tablette unterschiedliche Tablettenteile umfasst, vorzugsweise verschiedene Schichten, eine Füllung, einen zusätzlichen Teil, der auf mindestens einer der Oberflächen angebracht ist, oder eine befüllte Kavität.
  6. Verfahren zur Herstellung einer Reinigungsmitteltablette nach einem der Ansprüche 1 bis 4, durch Verpressen einer partikulären Reinigungsmittelzusammensetzung in einer Form, durch Sintern einer Reinigungsmittelzusammensetzung, durch Schmelzen und Aushärten einer Reinigungsmittelzusammensetzung oder durch eine Kombination der vorgenannten Verfahren.
  7. Verwendung einer Reinigungsmitteltablette nach einem der Ansprüche 1 bis 4 zum Geschirrspülen, zum Wäschewaschen oder zum Reinigen harter Oberflächen.
  8. Verwendung einer Reinigungsmitteltablette nach einem der Ansprüche 1 bis 4 in einem Umhüllungs-, Verpackungs- oder Beschichtungsverfahren.
EP10005125.9A 2010-05-17 2010-05-17 Waschmitteltabletten mit mehr als vier Seitenflächen Active EP2388309B2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL10005125T PL2388309T3 (pl) 2010-05-17 2010-05-17 Detergentowe tabletki mające więcej niż cztery powierzchnie boczne
ES10005125.9T ES2601906T3 (es) 2010-05-17 2010-05-17 Pastillas de detergente que tienen más de cuatro superficies laterales
EP10005125.9A EP2388309B2 (de) 2010-05-17 2010-05-17 Waschmitteltabletten mit mehr als vier Seitenflächen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10005125.9A EP2388309B2 (de) 2010-05-17 2010-05-17 Waschmitteltabletten mit mehr als vier Seitenflächen

Publications (3)

Publication Number Publication Date
EP2388309A1 EP2388309A1 (de) 2011-11-23
EP2388309B1 EP2388309B1 (de) 2016-10-05
EP2388309B2 true EP2388309B2 (de) 2023-04-19

Family

ID=42262637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10005125.9A Active EP2388309B2 (de) 2010-05-17 2010-05-17 Waschmitteltabletten mit mehr als vier Seitenflächen

Country Status (3)

Country Link
EP (1) EP2388309B2 (de)
ES (1) ES2601906T3 (de)
PL (1) PL2388309T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015218217A1 (de) * 2015-09-22 2017-03-23 Henkel Ag & Co. Kgaa Blisterverpackung mit asymmetrischer Tablette sowie asymmetrische Tablette

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10064635A1 (de) † 2000-12-22 2002-07-04 Henkel Kgaa Wasch-und Reinigungsmittelformkörper mit Partialcoating
WO2006021284A1 (de) † 2004-08-20 2006-03-02 Henkel Kommanditgesellschaft Auf Aktien Beschichteter wasch- oder reinigungsmittelformkörper

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3315950A1 (de) * 1983-05-02 1984-11-15 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von reinigungsmitteltabletten
US5316688A (en) * 1991-05-14 1994-05-31 Ecolab Inc. Water soluble or dispersible film covered alkaline composition
WO1999027063A1 (en) * 1997-11-26 1999-06-03 The Procter & Gamble Company Multi-layer detergent tablet having both compressed and non-compressed portions
GB2333778B (en) 1998-01-29 2000-02-09 Reckitt & Colman France A lavatory block
DE102004010281A1 (de) 2004-03-03 2005-09-22 Henkel Kgaa Textilpflegemittelportion
DE102005022786B4 (de) 2005-05-12 2016-09-15 Henkel Ag & Co. Kgaa Wasch- oder Reinigungsmitteldosiereinheit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10064635A1 (de) † 2000-12-22 2002-07-04 Henkel Kgaa Wasch-und Reinigungsmittelformkörper mit Partialcoating
WO2006021284A1 (de) † 2004-08-20 2006-03-02 Henkel Kommanditgesellschaft Auf Aktien Beschichteter wasch- oder reinigungsmittelformkörper

Also Published As

Publication number Publication date
ES2601906T3 (es) 2017-02-16
PL2388309T3 (pl) 2017-07-31
EP2388309A1 (de) 2011-11-23
EP2388309B1 (de) 2016-10-05

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