WO2002051704A1

WO2002051704A1 - Method for producing a packaging filled with tablets and one such packaging

Info

Publication number: WO2002051704A1
Application number: PCT/EP2001/014644
Authority: WO
Inventors: Gabriele Prenger; Wolfgang Gawrisch; Dirk Vollmerhaus; Ilona Lange; Rainer DÖHLER
Original assignee: Henkel Kommanditgesellschaft Auf Aktien
Priority date: 2000-12-22
Filing date: 2001-12-13
Publication date: 2002-07-04
Also published as: JP2004525038A; US20040011693A1; ES2248406T3; EP1343692A1; EP1343692B1; ATE304971T1; DE50107522D1

Abstract

The invention relates to a method for producing a packaging filled with an active ingredient agent, and especially a cleaning agent, in the form of a tablet. The inventive method comprises the following steps: a) the at least one moulded receiver cavity (2) of a preformed film (1) which constitutes the packaging is placed into a suitable receiver (3) of a holding mould (4); b) before, at the same time as, or after step a), a given quantity of the active ingredient agent which has not yet been compressed (premix) is introduced into the receiver cavity; c) the quantity of the active ingredient agent in the receiver cavity is compressed in the receiver cavity itself into a compact tablet (7), by means of a compression mould (6), using the receiver of the holding mould as an abutment; d) the film and the active ingredient tablets in the receiver cavity are then removed from the holding mould and further operations are carried out; e) before, at the same time as, or after step d), the open side of the receiver cavity is closed by applying a closing film (8) or a cover.

Description

METHOD FOR PRODUCING A PACKING AND PACKING FILLED WITH TABLETS

The invention relates to a method for producing a packaging filled with an active ingredient, in particular a cleaning agent, in tablet form, and a packaging filled with an active ingredient, in particular a cleaning agent, in the form of a compact tablet.

The teaching of the invention can be used for the production of active agents in tablet form, which are sold in suitable packaging. In particular, detergents such as laundry detergents and dishwasher detergents, as well as other water-soluble detergents and cleaning aids such as bleaching agents, color preservatives, fragrance formulations, enzyme active substances, etc. are suitable as active substances. However, the method can also be used for other active substances which are to be marketed in tablet form in protective packaging.

A particular field of application of the method according to the invention, however, is indeed all forms of detergents and washing aids and dishwashing detergents in tablet form. Another field of application is water-soluble adhesives, in particular paste, in tablet form, which are used for the production of large-area bonds, for example for the adhesive bonding of wallpapers.

The production of active agents, in particular cleaning agents, in tablet form from generally fine-crystalline, powdered or granulated raw materials is generally carried out with the addition of fillers, binders, explosives, lubricants or the like. by pressing. The starting material is e.g. in eccentric presses or rotary presses with the appropriate pressure for the respective product.

It is known to package active agents, in particular cleaning agents, in tablet form. On the one hand, the tablet becomes mechanical Protected against stress, on the other hand, skin-aggressive components are occasionally processed, especially with cleaning agents, so that the packaging prevents the tablet from coming into contact with the skin. Finally, the packaging prevents the active substance agent, in particular cleaning agent, which is pressed into tablet form and absorbs moisture from the ambient air prematurely.

So-called flow packs are known as packaging for active agents, in particular cleaning agents. Active ingredients in tablet form are often packaged in pairs. In each case two such tablets are required for a washing cycle in the case of a conventional detergent / auxiliary washing compound and are packaged in a flow pack divided inside (DE 198 40 390 A1). Flowpacks are also known in practice for water-soluble adhesives in tablet form.

Blister packaging is a common form of packaging for active ingredients in tablet form. This has also found its way into the field of detergents in tablet form (EP 0 903 405 A2). In the prior art known to this extent, a dishwashing detergent of a certain recipe is proposed, which is pressed in tablet form. The tablets are produced in the usual way on a normal tablet press, for example a rotary press. The tablets produced by the rotary press are collected and placed in an automatic loading machine in the receiving troughs of an already preformed packaging-forming film. As soon as the receiving troughs have been filled with the appropriate tablets, they are sealed airtight on the open side by applying a closing film, which is in particular welded or glued on. In the case of production in a continuous process, corresponding strips of the closed packaging, each comprising eight receiving troughs in the exemplary embodiment shown, are then cut off and finished as a sales unit.

The use of a blister pack for active substance compositions in tablet form allows different, also incompatible, with one another Pack active ingredients in separate receptacles and dose them individually. Skin contact with the active ingredient is readily avoidable. There is also the possibility of building a sales unit from several rows of receiving troughs which are equipped with different active agents, for example detergents on the one hand, and washing aids on the other hand.

The known blister pack has a packaging-forming film made of plastic, in particular made of a thermoplastic, transparent or translucent plastic, for example polyethylene.

The packaging of the tablets of the active ingredient in a blister pack allows the formulation of the active ingredient to be chosen somewhat more freely because the requirements regarding the dimensional stability of the tablet are lower. Even if the tablet breaks, the amount of active ingredient remains in the receiving trough until use and can therefore still be used by the user. In particular, the previously mentioned transparent packaging can represent a significant incentive to buy for the customer.

Blister packs for active ingredients in tablet form have also been known for a long time for a water-soluble adhesive, in particular a paste (DE 42 00 188 A1). This prior art also discloses the usual formulations for water-soluble adhesives based on natural starting products or water-soluble derivatives of cellulose and starch.

It has been shown that the process for producing a packaging filled with an active ingredient, in particular a cleaning agent, in tablet form can still be improved with regard to the process sequence.

The method according to the teaching of the invention has the following method steps:

a) A preformed packaging-forming film with at least one molded-in receiving trough is inserted with the receiving trough into a suitable receptacle of a holding mold. b) Before, simultaneously with or after process step a), a certain amount of the as yet unpressed active ingredient (premix) is poured into the receiving trough.

c) The amount of active substance in the receiving trough is compressed into a compact tablet in the receiving trough itself by means of a press mold using the holder of the holding mold as an abutment.

d) After the completion of process step c), the film is removed from the holding mold with the active ingredient tablet located in the receptacle and fed to further handling stages.

e) Before, simultaneously with or after process step d), the receiving trough is closed on the open side by applying a closing film or a lid.

The method according to the invention described above is particularly advantageous when the film is fed continuously and the receiving troughs are formed in the film by means of a roller arrangement. As an alternative, it is also possible that the film is fed in sections and the receiving troughs are formed in the film by means of a flat deep-drawing tool.

According to the invention, the tablet form of the active ingredient is produced directly in the molded-in receiving trough of the packaging-forming film. The receiving trough of the packaging-forming film, held in a holding mold as an abutment, is also a pressing mold for the tablet. The process steps "tablet pressing" and "tablet packaging" are combined according to the invention in a single process. The direct compression of the tablet in the packaging eliminates the problem of edge breakage and abrasion when handling the tablets in the pick and place machine. Due to the combination of the two manufacturing steps "tablet pressing" and "tablet packaging" in one process, the contact of the active ingredient, in particular cleaning agent, with the ambient air can be kept very short during the manufacturing process. A previously usual air conditioning of the production rooms can be reduced and limited to the supply of the uncompressed raw material of the active ingredient.

Otherwise, of course, a packaging produced by the method according to the invention and filled with an active ingredient in tablet form has the same advantages as the blister packaging known from the prior art (EP 0 903 405 A2). Blister packs are only a variant of corresponding packs according to the invention. Related packaging is push-through, press-through, skin packaging etc.

A particularly preferred embodiment of a method according to the invention for producing a packaging filled with an active ingredient, in particular cleaning agent, in tablet form does not require a preformed packaging-forming film. The following procedural steps are provided according to this procedure:

a) A packaging-forming film is placed on a holding mold with at least one receptacle forming a receiving trough.

b) Before or at the same time as method step a), a certain amount of the as yet unpressed active ingredient (premix) is poured into the premix holder in a press mold associated with the holding mold, each with a premix holder associated with the holder of the holding mold, and preformed therein.

c) The mold is closed and the preformed active ingredient is pressed out of the premix holder onto the packaging-forming film and together with it, deforming it into a receiving trough, into the holder of the holding mold and then into a compact one using the holder of the holding mold as an abutment Tablet pressed. d) After the completion of process step c), the film is removed from the holding mold with the active ingredient tablet located in the receptacle and fed to further handling stages.

In the variant of the method according to the invention explained above, a further manufacturing step is integrated into the method, namely the formation of the receiving trough or the receiving troughs in the packaging-forming film. The tablet is pressed on the one hand from the premix of the active ingredient, and on the other hand and at the same time the packaging-forming film is deep-drawn into the holder of the holding mold. In this method, the tablet of the active ingredient is on the one hand the object of the pressing process, and on the other hand force transmission means for the deep-drawing process with regard to the packaging-forming film.

The latter method according to the invention can be further developed in that in process step c) the preformed active ingredient, in particular cleaning agent, is pressed out of the premix holder by means of a stamp which is displaceably arranged in the press mold. An alternative is a variant which is characterized in that in process step c) the preformed active ingredient is pressed out of the premix receptacle by means of compressed air supply. Both pressure generation mechanisms can also be used in combination.

Furthermore, it can be provided that in process step c) the deformation of the packaging-forming film into the receptacle is facilitated by means of an air outlet from the receptacle of the holding mold or is actively supported by means of air suction from the receptacle of the holding mold. Further preferred refinements and developments of the method according to the invention are the subject of the further subclaims relating to the method.

The invention also relates to a package filled with an active ingredient, in particular a cleaning agent, in the form of a compact tablet, consisting of a packaging-forming film provided with at least one molded-in receiving trough and a closing film closing the receiving trough or a lid, the tablet being arranged in the receiving trough is. In particular, the teaching of the invention relates to such packaging produced by a method according to the invention.

According to the invention, the packaging is characterized in that the edge of the tablet located at the bottom of the receiving trough corresponds in its edge course to the edge course of the receiving trough. It is particularly expedient that the tablet rests essentially on the entire circumference of the circumferential inner wall of the receiving trough. Even if the tablet breaks, it remains dimensionally stable in the packaging and can still be used by the user. This also significantly reduces the reject rate.

A packaging produced by the process according to the invention with an active ingredient tablet contained therein can usually be recognized by the fact that the edge of the tablet located at the bottom of the receiving trough has a different contour than the edge of the tablet facing the open side of the receiving trough, in particular more rounded is as that.

Preferred embodiments of the packaging designed according to the invention are the subject of the further subclaims relating to the packaging.

The invention is explained in more detail below with reference to a drawing that shows exemplary embodiments only. In the drawing shows 1 is a plan view of a strip-shaped packaging from a plurality of individual blisters arranged one behind the other,

FIG. 2 shows a schematic illustration to explain a first production method for a packaging according to FIG. 1, FIG.

Fig. 3 is a schematic representation for explaining a second

Manufacturing process for a packaging according to FIG. 1,

4 is a top view of a ready-made package with a total of 16

Drug agent tablets,

5 shows the packaging from FIG. 4 in a view from the side,

6 shows a further exemplary embodiment of a packaging comprising a plurality of tablets received in individual receiving troughs,

7 shows a top view of a sales unit which has a plurality of packaging units, each with two receiving troughs and active ingredient tablets contained therein.

8 is a schematic view of a preferred embodiment of a packaging according to the invention with an active ingredient tablet contained therein.

As has already been mentioned in the general part of the description, the method according to the invention is concerned with the production of a packaging filled with an active ingredient in tablet form. This can be an individual packaging that is cut off, for example, from the strip shown in FIG. 1. However, larger packaging groups can also be involved, as the other exemplary embodiments clearly demonstrate. Active agents of all kinds can be accommodated in a packaging by the method according to the invention. In particular, however, the teaching according to the invention relates to detergents, in particular detergents and auxiliary washing agents for cleaning laundry, and detergents for dishwashers, etc. A particularly interesting field of application is also water-soluble adhesives, in particular paste, as active ingredients and in the general part of the description. In particular, reference may be made to the state of the art already mentioned there with its disclosure of water-soluble adhesives in tablet form.

The blister strip shown in FIG. 1 made of a thermoformable thermoplastic film that can be deep-drawn, for example made of polyethylene, shows molded-in receiving troughs with an inner diameter of approximately 44 mm. This is a size of an active ingredient tablet as it is suitable for detergents or dishwashing detergents of the usual composition. Of course, this size is only an example. The teaching of the invention is not restricted to specific tablet sizes or specific tablet forms.

2 makes clear the basic principle of a method for producing a packaging filled with an active ingredient, in particular a cleaning agent, in tablet form. The process steps are as follows:

A preformed packaging-forming film 1 with at least one molded-in receiving trough 2, in the example shown four receiving troughs 2 arranged next to one another, is inserted with the receiving trough 2 into a suitable receiving 3 of a holding mold 4. In the exemplary embodiment shown, the holding mold 4 has four receptacles 3 next to one another. Before, simultaneously with or after the previously explained method step, a certain amount of the as yet unpressed active ingredient (premix) is poured into the receptacle 2. The holding mold 4 is associated with a pressing mold 6 provided with corresponding pressing projections 5. This is lowered from above onto the holding mold 4 as arranged by arrows. The amount of the active ingredient in the respective receiving trough 2 is in the receiving trough 2 itself by means of the die 6 using the receptacle 3 of the holding mold 4 as an abutment a compact tablet 7 pressed. 2 does not yet show the final state of the tablet 7, the pressing step has not yet taken place. In Fig. 1, the tablets 7 in the receiving troughs 2 of the strip-like film 1 can be clearly seen.

After completion of the above-mentioned process step, the film 1 with the tablets 7 located in the receiving trough 2 is removed from the holding mold 4 and fed to further handling stages. Before, simultaneously with or after this method step, the receiving trough 2 is closed on the open side by attaching a closing film 8, as is indicated, for example, on the far left in FIG. 1 for better clarification. Instead of a closing film 8, which can be used particularly expediently in many receiving troughs 2 of a longer film strip 1, lids or lid strips can also be used.

The film 1 can be provided with the receiving troughs 2 continuously by means of a roller arrangement or in sections by means of a flat deep-drawing tool. It is assumed here for this method that the film is already provided with receiving troughs. Corresponding methods are well known from the prior art for blister packs.

3 schematically shows the structure of a device with which a further method for producing a packaging filled with an active ingredient in tablet form can be carried out. The following process steps are provided for this method:

A packaging-forming film 1 is placed on a holding mold 4 with at least one receptacle 3 forming a receiving trough, in the exemplary embodiment shown again four receptacles 3 arranged next to one another. Before or at the same time as the previously explained method step, a certain amount of the as yet unpressed active ingredient (premix) is filled and preformed into the premix receptacle 9 in a press mold 6 assigned to the holding mold 4, each with a premix receptacle 9 assigned to the receptacle 3 of the holding mold 4. 3 shows the preformed premix stocks in the premix receptacles 9 of the press mold 6. Arrows indicate that the mold as a whole is closed. The preformed active ingredient is pressed out of the premix receptacle 9 onto the packaging-forming film 1 and together with it, deforming it into a receptacle 2 into the receptacle 3 of the holding mold 4 and then using the receptacle 3 of the holding mold 4 as an abutment to form a compact one Tablet pressed. After this method step has been carried out, one ends practically with a representation of the holding mold 4, which corresponds to FIG. 2.

In this method, the deformation of the film 1 is carried out in the manner of a deep-drawing process at the same time as the pressing process, which once again significantly simplifies the production process.

For the rest, in the method explained above, the further method steps are the same as the method explained above for FIG. 2.

3 shows for the method implemented here that the preformed active substance can be pressed out of the premix holder 9 by means of a stamp 10 which is displaceably arranged in the mold 6. The mechanical drive source for the stamp 10 is not shown in FIG. 3. Rather, a pneumatic drive source is indicated in such a way that the stamp 10 and the preformed active ingredient cake are moved out of the premix receptacle 9 by means of compressed air supply via a compressed air system 11.

The illustrated and in this respect preferred exemplary embodiment further shows that the deformation of the film 1 into the receptacles 3 of the holding mold 4 is supported by air suction from the receptacles 3 of the holding mold 4 by means of the suction system 12 shown. At least the holding mold 4 on the receptacles 3 should be provided with air outlets in order to ensure a rear ventilation of the receptacles 3 when the deep-drawing and pressing process is carried out. The exemplary embodiment shown shows that the method steps of the two methods explained here are each carried out quasi-statically on a film section. Alternatively, however, it is also possible to carry out the method steps on a continuous film 1 by means of roller arrangements, moving belt arrangements or tools running in sections. Such methods are known from the prior art of tablet production, in particular in connection with eccentric presses and rotary presses. However, the quasi-static design is particularly simple in terms of tool technology.

Typical pressing forces for tablets with an area of 10 to 15 cm2 are between 10 and 60 kN.

Fig. 4 shows that one can form several receiving troughs 2 in the film 1 side by side and / or one behind the other and each can be filled with detergent at the same time.

Plastic films, in particular PE films or PVC films, are expediently used as packaging-forming films 1. In contrast, wafer-thin metal foils are used as closing foils 9, which typically allow push-through or peel-off. The closing film 8 is connected to the packaging-forming film 1 by conventional connection techniques such as gluing, welding, high-frequency connection techniques, etc.

In the case of the packaging-forming films 1 and the closing films 8, designed as plastic films, one can generally distinguish between water-insoluble and water-soluble films. Both types of film can be used equally. Water-insoluble films are made from, for example, PVC, PE, PP, and mixtures of PE and polystyrene. Water-soluble films are produced, for example, from polyvinyl alcohol, starch, cellulose, gelatin (with appropriate reactive internals). The closing foil 9 is of course in particular the metal foil already mentioned above, in particular an aluminum foil, as a water-insoluble foil. The use of water-soluble films for packaging filled with an active ingredient has also been known for some time from the prior art (WO 89/04282 A1). The packaging of different, water-soluble active ingredients in a water-soluble packaging for the purpose of portioning and handling can be seen from this prior art.

Fig. 6 indicates an additional packaging variant such that an additional child safety device in the form of a comprehensive, additional cap 13 is provided, from which the sales unit with several tablets 7 can not be pulled out easily, but only with additional handling in the direction of the arrow. Such a cap 13 also offers a suitable area for advertising labels, instructions for use or company logo.

You can also connect the closing film 8 or the lid to the packaging-forming film 1 in a particularly child-proof manner, for example by virtue of the fact that the tear-open forces which can be achieved are so high that a small child cannot apply them.

A special measure can be taken, for example, in that the closing film 8 is a double-layer film, between the layers of which an additional body of an active ingredient can be accommodated in a protected manner. For example, this additional body can be a scented lens which must not come into contact with the tablet 7 of the active ingredient, in order not to impair the storage ability, but is therefore also emptied from the packaging together with the tablet 7. Corresponding additional bodies could also relate to bleaching agents or enzyme components.

The exemplary embodiments shown make it clear that the packaging-forming foils 1, which are filled in the receiving troughs 2 with active ingredient tablets 7 and provided with closing foil 8 or lids, are cut into commercially available units - sales units - or even separated (Fig. 5). FIG. 7 shows, for example, a multipack with a double receiving trough 2 in each case. In the exemplary embodiment in FIG. 5, individual receiving troughs 2 are realized in each case.

FIG. 5 further shows that, in order to form a sales unit 14, several packages have been inserted into a carrier 15 made of cardboard and having corresponding receiving openings. The carrier 15 forms the active sales surface of the sales unit 14 of FIG. 4, which can be hung in sales walls with a euro hanger.

FIGS. 4 and 6 show exemplary embodiments of sales units which contain tablets 7 made of different active substances. For example, for laundry care purposes, a sales unit as shown in FIG. 4 may include two rows of detergents, one row of bleaches, and one row of color preservatives, or one row of enzyme detergents. This flexibility in equipping sales units 14 results from the individual holding of the tablets 7 in the individual holding troughs 2.

The direct compression of the active ingredient premix in the receiving trough 2 or the receptacle 3 of the holding mold 4 achieved by the described method in both variants makes it possible to use a recipe for the active ingredient which does not require any or only a little shape-stabilizing components. The tablet 7 is located right from the start in the receiving trough 2 of the film 1, it is not handled by itself in the packaging manufacturing process.

For the rest, reference is also made to the explanations in the general part of the description for the advantages of the method according to the invention.

4 and 5 make the final state of a salable, filled packaging clear in a particularly preferred exemplary embodiment. This consists of a packaging-forming film 1 provided with at least one molded-in receiving trough 2 and a sealing film closing the receiving trough 2 Closing film 8 (or a corresponding lid). The active ingredient tablet 7 is enclosed in an airtight manner in the receiving trough 2.

The realization of the direct pressing of the tablet 7 in the receiving trough 2 has the result that the edge of the tablet 7 located on the bottom of the receiving trough 2 corresponds in its edge course to the edge course of the receiving trough 2. In practice, this is not as sharp-edged as indicated in FIG. 5, but in this area is rounded off with a practical radius. By pressing in the receiving trough 2 with the receptacle 3 of the holding mold 4 as an abutment, the edge of the tablet 7 is formed accordingly.

The pressing process in the receiving trough 2 also has the consequence that the tablet 7 lies essentially over the entire circumference of the circumferential inner wall of the receiving trough 2. This is also not shown in FIG. 5 in order to be able to distinguish the packaging-forming film 1 from the edge of the tablet 7 in terms of drawing technology.

Finally, a packaging of the type in question is usually realized so that the edge of the tablet 7 located at the bottom of the receiving trough 2 has a different contour than the edge of the tablet 7 facing the open side of the receiving trough 2, in particular is more rounded than that , The pressing tool, in a preferred embodiment in particular the punch 10 on the pressing mold 6, dips into the receptacle 3 and leads to a sharp-edged edge contour of the tablet 7, which may show a slight peripheral burr. This is shown by the edge of the tablet located at the bottom of the receiving trough 2 Tablet 7 not.

In practice, the realization of separate receiving troughs 2 for receiving one tablet 7 of the active ingredient each gives a multitude of possibilities for designing the active ingredient tablets 7, in particular detergent tablets or detergent tablets. In detail, there are now many options for the design of the packaging.

In the prior art, it is normally the case that, as already described in the introduction, the film 1 with the closing film 8 is disposed of in the waste after the tablets 7 contained in the packaging have been used up.

According to a first proposal, this is now changed in such a way that the packaging-forming film 1 and the closing film 8 or the cover consist of water-soluble materials, in particular of water-soluble or water-soluble conditioned plastics, and that the use of the active ingredient, in particular the cleaning agent, in a water bath entire packaging is fed to the water bath. This solves the problem of waste from the packaging without problems for the consumer, only when using other materials in an overall packaging (sales unit), for example when using the above-mentioned carrier 15 made of cardboard, one has to dispose of it in the waste paper.

In this context, reference may be made to the instructions given above for water-insoluble and water-soluble films.

A water-soluble packaging-forming film 1 or closing film 8 can have the problem that, when stored for a long time, it already shows such a high water absorption from the ambient air that the protective effect wears off. It may therefore be advisable to additionally provide that the packaging for transport and storage is enclosed with an essentially water vapor-tight thin film. This film can be designed solely for its task of water vapor shielding, it does not have to endure strong mechanical stresses, because the packaging-forming film 1 with the closing film 8 is used for this.

For delayed release of active ingredient in particular, it is sometimes expedient to provide the active ingredient with a coating. The solution described forms the possibility that the packaging-forming film 1 and the closing film 8 Have material properties of a coating corresponding to the application of the active ingredient.

An alternative, advantageous embodiment of a packaging of the type in question can also be designed in such a way that the tablet 7 is constructed in multiple layers from at least two layers 20, 21 of identical or different active substances and at least one layer 22 of a neutral release agent.

FIG. 8 shows an example of such a modified tablet 7 which can be used once or several times in a package. By introducing a neutral layer 22 of a release agent, the active ingredient components in the other two layers 20, 21 are separated from one another. Active ingredient components which are incompatible with one another can thus be processed in one and the same tablet 7. This can be achieved particularly well by the stability of the packaging, because the boundary layers between the individual layers of a multilayer tablet 7 in this packaging are not exposed to any major forces. The packaging also keeps the tablet 7 tightly enclosed and dimensionally stable, particularly when the manufacturing process explained at the outset is implemented.

Furthermore, it is possible that in the layers 20, 21, 22, in particular in the layer 22 of the release agent, suitable marking substances are embedded or contained for product identification.

Another alternative for the design of the tablet 7 is that in the tablet 7 inside or towards the upper or lower outer surface a solid, pasty or with a protective jacket, in particular a gel jacket liquid auxiliary body is provided. Different active ingredients can also be realized in this way in one tablet 7.

Finally, the packaging offers a further advantageous design option, which is characterized in that the closing film 8 is made of two layers and that between the layers of the closing film 8 Additional body of an active ingredient is arranged. This also allows an additional, possibly incompatible active ingredient to be accommodated separately from the tablet 7 in the packaging and at the same time ensures that the dosage at the place of use takes place simultaneously with the tablet 7. For example, a fragrance lens, enzymes or a bleaching component can be added in the washing process.

The double-layer design of the closing film 8 can be of particular importance in time-delayed cleaning processes if a water-soluble closing film 8 and packaging-forming film 1 are provided. First of all, the outer layer of the closing film 8 can then be dissolved, so that the active substance between the layers is released. Delayed for this purpose, the inner layer of the closing film 8 and the packaging-forming film 1 itself are decomposed, which then release the tablet 7 with the further active ingredient with a time delay. Such a time-delayed release of active ingredients is not only used in laundry care, but also, for example, in a detergent for toilet bowls.

As has already been mentioned above, it applies to the described larger packaging that it has a plurality of receiving troughs 2 and in the receiving troughs 2 tablets 7 contain active ingredients which are incompatible with one another and / or that several packages are in a carrier consisting of cardboard and having corresponding receiving openings 15 are used.

Claims

claims:

1. A method for producing a packaging filled with an active ingredient, in particular a cleaning agent, in tablet form, with the following process steps: a) A preformed packaging-forming film with at least one molded-in receiving trough is inserted with the receiving trough into a suitable receptacle of a holding mold. b) Before, simultaneously with or after process step a), a certain amount of the as yet unpressed active ingredient (premix) is poured into the receiving trough. c) The amount of the active ingredient in the receiving trough is compressed into a compact tablet in the receiving trough itself by means of a press mold using the holder of the holding mold as an abutment. d) After the completion of process step c), the film is removed from the holding mold with the active ingredient tablet located in the receptacle and fed to further handling stages. e) Before, simultaneously with or after process step d), the receiving trough is closed on the open side by applying a closing film or a lid.

2. The method according to claim 1, characterized in that the film is fed continuously and the receiving troughs are formed in the film by means of a roller arrangement.

3. The method according to claim 1, characterized in that the film is fed in sections and the receiving troughs are formed in the film by means of a flat deep-drawing tool.

4. Method for producing a packaging filled with an active ingredient, in particular a cleaning agent, in tablet form, with the following process steps: a) A packaging-forming film is placed on a holding mold with at least one receptacle forming a receiving trough. b) Before or simultaneously with method step a), a certain amount of the as yet unpressed active ingredient (premix) is poured into the premix holder in a press mold associated with the holding mold, each with a premix holder associated with the holder of the holding mold, and preformed therein. c) The mold is closed and the preformed active ingredient is pressed out of the premix holder onto the packaging-forming film and together with it, deforming it into a receiving trough, into the holder of the holding mold and then into a compact one using the holder of the holding mold as an abutment Tablet pressed. d) After the completion of process step c), the film is removed from the holding mold with the active ingredient tablet located in the receptacle and fed to further handling stages. e) Before, simultaneously with or after process step d), the receiving trough is closed on the open side by applying a closing film or a lid.

5. The method according to claim 4, characterized in that in step c) the preformed active ingredient is pressed out of the premix holder by means of a displaceably arranged stamp in the mold.

6. The method according to claim 4 or 5, characterized in that in step c) the preformed active ingredient is pressed out of the premix holder by means of compressed air supply.

7. The method according to any one of claims 4 to 6, characterized in that in step c) the deformation of the film into the receptacle is supported by means of an air outlet from the receptacle of the holding mold or by means of air suction from the receptacle of the holding mold.

8. The method according to any one of claims 1 to 7, characterized in that the method steps are carried out on a continuous film by means of roller arrangements, moving belt arrangements or sections of moving tools.

9. The method according to any one of claims 1 to 7, characterized in that the method steps are each carried out quasi-statically on a film section.

10. The method according to any one of claims 1 to 9, characterized in that a plurality of receiving troughs are formed in the film side by side and / or one behind the other and are each filled with active ingredient at the same time.

11. The method according to any one of claims 1 to 10, characterized in that a plastic film, in particular a PE film or a PVC film, is used as the packaging-forming film.

12. The method according to any one of claims 1 to 10, characterized in that a metal foil, in particular an aluminum foil, is used as the packaging-forming film.

13. The method according to any one of claims 1 to 12, characterized in that a metal foil, in particular an aluminum foil, is used as the closing foil.

14. The method according to any one of claims 1 to 12, characterized in that a plastic film, in particular a PE film or a PVC film, is used as the closing film.

15. The method according to any one of claims 1 to 14, characterized in that the closing film or the lid are connected childproof with the packaging-forming film.

16. The method according to any one of claims 1 to 15, characterized in that the film filled in the receiving troughs with tablets and provided with closing film or lids is cut into commercially available units, if appropriate also separated.

17. The method according to claim 16, characterized in that several packages are used to form a sales unit in a cardboard, corresponding receiving openings having carrier.

18. The method according to any one of claims 1 to 17, characterized in that tablets are formed from different active ingredients in receiving troughs in a sales unit.

19. The method according to any one of claims 1 to 18, characterized in that a formulation without or with only little shape-stabilizing components is used for the active ingredient, in particular the cleaning agent.

20. The method according to any one of claims 1 to 19, characterized in that a double-layer film is used as the closing film and an additional body of an active substance is arranged between the layers of the closing film.

21. With an active ingredient, in particular a cleaning agent, in the form of a compact tablet (7), filled packaging comprising at least one molded-in receiving trough (2), packaging-forming film (1) and a closing film (8) closing the receiving trough (2) or a Lid, wherein the tablet (7) is arranged in the receiving trough (2), in particular produced by a method according to one of claims 1 to 20, characterized in that the edge of the tablet (7) located at the bottom of the receiving trough (2) in its edge course corresponds to the edge course of the receiving trough (2).

22. Packaging according to claim 21, characterized in that the tablet (7) rests substantially over the entire circumference on the circumferential inner wall of the receiving trough (2).

23. Packaging according to claim 21 or 22, characterized in that the edge of the tablet (7) located at the bottom of the receiving trough (2) has a different contour than the edge of the tablet (7) facing the open side of the receiving trough (2), in particular is more rounded than that.

24. Packaging according to one of claims 21 to 23, characterized in that the packaging-forming film (1) is a plastic film, in particular a PE film or a PVC film.

25. Packaging according to one of claims 21 to 23, characterized in that the packaging-forming film (1) is a metal film, in particular an aluminum film.

26. Packaging according to one of claims 21 to 25, characterized in that the closing film (8) is a metal foil, in particular an aluminum foil.

27. Packaging according to one of claims 21 to 25, characterized in that the closing film (8) is a plastic film, in particular a PE film or a PVC film.

28. Packaging according to one of claims 21 to 27, characterized in that the closing film (8) is a double-layer film, between the layers of which an additional body of an active ingredient can be accommodated in a protected manner.

29. Packaging according to one of claims 21 to 28, characterized in that several packages are inserted in a cardboard, corresponding receiving openings having carrier (15) and form a sales unit (14) with this.

30. Packaging according to one of claims 21 to 29, characterized in that in a sales unit (14) tablets (7) from different active ingredients are used in exceptional troughs (2).

31. The method according to any one of claims 1 - 20, characterized in that the active ingredient is a laundry detergent, a dishwasher detergent, a water-soluble washing and cleaning aid such as bleach, color preservative, fragrance formulation, enzyme active ingredient or a water-soluble adhesive, especially a paste.

32. Packaging according to one of claims 21 - 30, characterized in that the active ingredient is a laundry detergent, a dishwasher detergent, a water-soluble washing and cleaning aid such as bleach, color preservative, fragrance formulation, enzyme active ingredient or a water-soluble adhesive, especially a paste.