WO1993016166B1 - Re-usable container containing washing, cleaning, disinfecting and/or preservative agents - Google Patents

Abstract

A process is disclosed for producing pressed, shaped and at least partially porous washing, cleaning, disinfecting and/or preservative agents without using a preheated molten material or solution. A prefabricated pre-mixture of powdery and/or granulated active substances is prepared, introduced into an appropriately shaped re-usable container and compacted under pressure, so that a consolidated block having a powdery structure is formed in the container. Alternatively, the prefabricated mixture is at first mixed with a binder during a supplementary process step, so that a humidified but still pourable powdery material is obtained, then the latter is introduced into the re-usable container and compacted therein under pressure. Also disclosed are means for carrying out the described process, i.e. recyclable re-usable containers that are upwardly open, conically enlarged upwards and can be used for liquid, solid or powdery washing, cleaning, disinfecting and/or preservative agents, in particular for carrying out the above process. In particular, recyclable, re-usable containers that contain washing, cleaning, disinfecting and/or preservative agents specially suitable for dish washers and washing machines are designed in such a way that the washing, cleaning, disinfecting and/or preservative agents are distributed from a container when a flow of aqueous liquid is applied on the exposed surface of the washing, cleaning, disinfecting and/or preservative agent. Finally, the use of such re-usable containers is disclosed.

Claims

 CHANGED CLAIMS [received at the International Bureau on 20 December 1993 (20.12.93); original claims 1-35 replaced by amended claims 1-31 (8 pages)] 1. A process for producing compressed, shaped and wenig¬ least partially porous trained washing, cleaning, disinfecting and / or preservative without Verwen¬ tion of a preheated melt or solution in which a premix of powdered and / or granular Wirk and auxiliary substances of suitable particle size are produced, filled into a suitably shaped dimensionally stable, stackable and refillable reusable container without undercuts and compacted using pressure, so that a washing, cleaning, solidified in the container Disinfection and / or Konservierungsmitte1- block is formed, in which the powder or granule structure is still recognizable. 2. A process for producing compressed, shaped and at least partially porous, washing, washing, cleaning, disinfecting and / or preserving agents without using a melt or solution preheated to more than 66 ° to 83.5 ° C., characterized in that a prefabricated mixture of pulverulent and / or granular active substances and auxiliaries of suitable particle size, if appropriate after mixing with a suitable, water-soluble or water-hydratable, at the preparation temperature. liquid or sufficiently flowable binder in a suitable mixing device, preferably a continuous mixer, produces, so that a moistened but still pourable powder mass is formed. hese _d u _{l P} vermasse fills ilen, stackable and refillable reusable container without undercuts in a suitably shaped, formsta _b and - the application of pressure between 1 x 10 to 1 x 10 compressed, so that a solidified in the container _W ash- , cleaning, disinfecting and / or Konservie¬ approximately middle _l block is formed, in which the powder or _G ranulatstruktur is still recognizable. 3. The method according to claim 1 or 2, characterized in that the solidified washing, cleaning, disinfecting and / or preservative block is provided with a sealing layer of a cast solution or melt of a water-soluble or water-dispersible substance. 4. The method according to any one of claims 1 to 3, characterized in that instead of a sealing layer additionally applies a holding or protective layer on the washing, cleaning, disinfecting and / or preservative block. 5. The method according to claim 4, characterized in that the protective or holding layer consists of a non-water-soluble film and this is optionally connected to the container. 6. The method according to claim 4, characterized in that one uses as a protective or holding layer, a water-soluble film or a water-soluble molding, which (which) is applied by heat sealing, gluing, mechanical fastening over the container opening. 7. The method according to claim 4, characterized in that the wash, cleaning, disinfecting and / or preservative block is coated with a casting compound which at temperatures between 0 ° C and 40 ° C. is fixed. 8. The method according to any one of the preceding claims 1 to 7, characterized in that the premix one or more thermally relatively unstable active ingredients 'and / or additives, in particular chlorine and / or oxygen supplying substances and / or fragrance and / or dye added. 9. The method according to claim 2, characterized in that the binder in proportions of 1 to 29% by mass, preferably 2 to 10% by mass, more preferably between 3 to 8% by mass, based on the final total mixture, is used. 10. The method according to claim 9, characterized in that one uses as binder water, an aqueous solution or a dispersion of one or more water-soluble salts or an organic substance or a heated flowable melt or gel, wherein optionally the binder itself at temperatures between 0 and 40 ° C is crystallizable. 11. The method according to claim 10, characterized in that the binder itself acts cleaning active Ingredients, in particular an aqueous 30- to 60% solution of alkali metal (ortho-, pyro- or poly-) phosphates. 12. The method according to claim 3 and 9 to. 11, characterized in that one uses a sealing compound of the same or different composition as the binder as the sealing layer, said casting compound at temperatures between 0 and 40 ° C is solid or at least gelfδr ig. 13. The method according to claim 12, characterized in that the proportion of the casting compound, based on the total filling content of the container is between 0 and a maximum of 20 mass%. 14. The method according to claim 7, characterized in that the casting compound for the sealing layer is a solid at 0 to 40 ° C polyethylene glycol or an endgruppenverschlossenes derivative thereof or a crystallizable, solidifying at 0 to 40 ° C solution or melt of one or more Salt (s) such as soda, sodium sulfate, alkali polyphosphate or acids such as citric acid or mixtures of these components. 15. The method according to claim 12 and 13, characterized in that the sealing layer is a mixture of 30 to 50% by mass of water and 40% by mass of sodium polyphosphate, and / or 20 to 50% by mass of soda and / or 20 to 50 mass % Sodium sulfate is used, wherein either only one or a combination of two or three suitable salt (s) is (are) and the solids content is between 50 and 70 mass%. 16. The method according to any one of the preceding claims 1 to 15, characterized in that one presses the filled into the container powder mass using a pressure of lxlO ⁴ - lxlO ⁶ Pa (0.1 to 10 at) with a flat die and possibly subsequently coated, sealed or provided with a molding or a foil. 17 ^V out according to any preceding nsprüche _A 1 _b is 16, since ^d urch in that the filled in the container the powder composition using a pressure of 1x10 - 1x10 Pa pressed (0.1 to 10 atmospheres) with a dome-shaped stamp and optionally subsequently _ß en _d ^b eschichtet, or sealed with a molding o _d it provides a film .. 18. Recyclable, refillable upwardly open and conically upwardly expanding reusable container with a cover connected to it (50; 70, 90; 100) for liquid, solid or powdery washing, cleaning, disinfection and / or Conservation means, in particular for carrying out the method according to one of claims 1 to 17, wherein both the filled and sealed container and the empty container and the cover, each by itself, are stackable, and the stackable, dimensionally stable reusable container (10; 20; 30; 40; 60) is provided with a stack slope of 2 - 1 ° and has an open, rounded shape without undercuts, the bottom (12; 23; 32; 42; 61) of the container with a recess, optionally has a dome-shaped and a protruding into this floor handle (13; 22; 33; 43; 62) for transport or handling of the container and the cover (50; 70; 90; 100) with a holding handle (lOl) is provided. 19. Reusable container according to claim 18, characterized in that on the geöffenten side of the upwardly conically widening container, an external thread (11; 24; 34; 44; 63) is provided for screwing with a cover. 20. Reusable container according to claim 18, characterized in that the cover is configured with a possibly dome-shaped recess. ₂₁ .Mehrweg- ehälter _B "as claimed in claim 18, that the cover in its mounted a small lid (71) and a receiving thread (72) for it. 22. Reusable container according to claim 20, characterized in that the cover has a degassing valve. ²³ • Reusable container according to one of claims 18 to 21, characterized in that the cover contains a suitable flat gasket. 24. Reusable container according to claim 18, characterized in that on the inside of the container wall one or more holders attached (is). 25. Reusable container according to one of claims 18 to ²³ . characterized in that the stacking slope is ⁵ °. 26. A recyclable reusable container (20, 30, 40) containing washing, cleaning, disinfecting and / or preserving agents, in particular suitable for use in dishwashers and washing machines, according to any one of claims 1 to 25, which is designed in such a way that that washing, cleaning, disinfecting and / or preserving agent is dispensed from the container when a stream of aqueous liquid is added to a surface of the washing, cleaning, disinfecting and / or preserving agent exposed thereto, wherein the washing, Cleaning, disinfection and / or preservation center according to the method of any one of claims 1 to 1 is available. 27. Reusable container according to claim 25, characterized in that on the geöffenten side of the container, an external thread (24; 34; 44) for screwing or attaching with a screw cap, if necessary, a bayonet closure, is provided. 28. Use of a reusable container according to one of claims 18 to 25 for liquid, solid or powdery detergents, cleaners, disinfectants and / or preservatives. 29. Use of a washing, cleaning, disinfecting and / or preservative-containing reusable container according to claim 26 or 27 for washing, cleaning, rinsing and / or disinfecting and / or for antimicrobial or deodorizing treatment of water cycles and / or of water-bearing systems. 30. Device for dissolving detergents, cleaners, disinfectants and / or preservatives consisting of - A tightly sealable container (81) with a dosing (81) resting on a base (82), which is intended to receive the substances to be dissolved, in a product container (20; 30; 40), - A shower (84) and concentrically under the sieve (81) in _B ehälterablaufteil (83) mounted - A concentric in the drain part (83) attached drain port, characterized in that the metering screen a Product container (20; 30; 40) according to one of claims 26 or 27 is inserted. 31. Dosing device according to claim 30, characterized in that it is connected to a control device and / or a safety switch and / or an electrical control valve and / or an optical and / or acoustic empty signal display and / or a measuring cell for conductivity measurement. DECLARATION REFERRED TO IN ARTICLE 19 As state of the art the following publications are named: D1 - EP, A, 0 375 022 (Unilever) D2 - US, A, 4,808,236 (C.V.Davis Jr.) D3 - EP, A, 0 242 966 (Ecolab) D4 - WO, A, 8 911 753 (Ecolab) D5 - Database WPIL, AN 89-224560 & E JP, A, 1 161 100 D6 - EP, A, 0 225 859 (Ecolab) D7 - DE, A 2 851 605 (AB Aakerlund & Rausing) D8 - WO, A 9 212 062 (T.Vanovac) The patent claim of the previous claims 1 to 17 (method for producing compressed, molded and at least partially porous trained washing, cleaning, disinfecting and / or preserving agents) and the subject matter of claims 18 to 32 (reusable container) and the subject of claims 32nd and 33 (use of reusable container) has been restricted. In the patent claims, the task-specific refillable special container has now been specified in more detail. Furthermore, some were Clarifications made. Compared with the state of the art mentioned in the search report, the subjects of the present application are new and are based on an inventive step. The cited references D2 to D7 are specified as so-called "A" documents and illuminate only the techno¬ logical background. EP-A-0 375 022 (Unilever) D1 discloses a detergent tablet which has been compressed under very high pressure (3-30 kN / cm ² ) (compare page 3, lines 40 to 42 of US Pat dl). Dl is not a block solidified in the container in which the powder or granule structure is still recognizable. D8 is just an older application and only contrary to novelty. Therefore, the container according to the invention has now been u. a. specified that it has a certain stack slope (from 2 to 7 °). The subject matter of claims 18 to 26 is thus new. The reusable container according to the invention is based on. also on an inventive step, since for the first time a reusable system is made available with the concomitant use of this container, which meets the requirements of new ecological packaging systems (see page 5 on line 20 to page 6, line 25 of the application documents).