EP0326846A1 - Method and apparatus for making blister packages receiving packaging goods - Google Patents
Method and apparatus for making blister packages receiving packaging goods Download PDFInfo
- Publication number
- EP0326846A1 EP0326846A1 EP89100712A EP89100712A EP0326846A1 EP 0326846 A1 EP0326846 A1 EP 0326846A1 EP 89100712 A EP89100712 A EP 89100712A EP 89100712 A EP89100712 A EP 89100712A EP 0326846 A1 EP0326846 A1 EP 0326846A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packaging
- sealing
- film
- tool
- blister
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004806 packaging method and process Methods 0.000 title claims description 32
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000002699 waste material Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 239000010408 film Substances 0.000 claims description 44
- 239000013039 cover film Substances 0.000 claims description 14
- 239000011888 foil Substances 0.000 claims description 9
- 239000005022 packaging material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 7
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000004080 punching Methods 0.000 description 9
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007903 gelatin capsule Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000010786 composite waste Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229940126601 medicinal product Drugs 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000011962 puddings Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010819 recyclable waste Substances 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 235000013618 yogurt Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
- B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
- B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
- B65B9/045—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material for single articles, e.g. tablets
Definitions
- the invention relates to a method for producing blister packs or similar types of packagings of predetermined shape and defined volume in a continuous or continuously timed operation using at least two preferably different webs of film in the form of a deformable and cover sheet, preferably a web of deformable film to produce the cavities that hold the goods to be packaged, if necessary after being heated / heated, and filled with the goods to be packaged, a cover film web is fed to the deformed deformable film web carrying the goods to be packaged, both webs are connected to one another by sealing, the packaging is separated from the film web strand, and that remaining film waste material is collected, as well as a tool for sealing blister packs that contain a thermoformed deforming film that carries the packaged goods, and thus a seal r comprise heat and pressure connected cover film, with a pair of plate or roller-shaped tool parts which, by relative movement to one another, take up the films forming the pack between them and carry out the sealing process and of which a first, preferably lower tool part has at least one recess for receiving at least
- blister packs are manufactured has found increasing use in medicine for tablets or capsules. you can hardly find tablets packed in tubes today. Blistering is also used for other people's items wise used quite different areas, such as in the household, food and confectionery, business and office, do-it-yourself area, etc. Today you will find blistered tubes, vials, tools, workpieces such as nails, tacks, staples, Spice jars etc. All this information is to be seen purely as an example, since the development suggests an expansion of the areas of application rather than a restriction.
- the material obtained in this way which makes waste disposal superfluous, is to be used in plastic mold construction for PU foam molds, as filler material for adhesives and casting compounds in the construction industry and as an admixture product in the production of chipboard. It is therefore all about the use of a mixed material for mass parts, where the quality of the raw material is not important, but fillers and additives of lower quality can be used without detrimental effects on the end product. However, this does not take into account the high quality and the price of the basic materials aluminum and plastic such as PVC.
- the invention is therefore based on the object to design the blistering process so that a recyclable waste product is obtained, which enables the recovery of the expensive raw materials and thus considerable cost savings in material, and to provide a device suitable for this purpose.
- This object is achieved in the method according to the invention in that the sealing is limited to the area of the area of the packaging to be divided and the waste material from the shaping and cover film is collected separately for the purpose of recycling after the packaging has been divided, and in the case described at the beginning Tool in that the delimitation of at least one of the active surfaces of the two tool parts coming into contact with one of the packaging foils during sealing corresponds to the surface boundaries of the blister packaging.
- the structure of the tool according to the invention makes it possible in a simple manner to connect only the surface of the actual packaging to the deforming film, while all other parts of the running films remain separate from one another.
- the overall structure of such a tool is inexpensive to manufacture and can easily be retrofitted in existing systems, just as existing tools can be reworked, for example by milling or eroding.
- the punching tool in a separating or punching station of the system is designed in the size of the packaging in order to separate the packaging from the running film strand exactly along the active surfaces, so that the waste that exists on the side and between the individual packages is in a continuous waste strand can be dissipated and recycled for themselves.
- the sealing film can be subjected to the pressure and heat required for sealing only in contact areas with the deep-drawn deformation film carrying the packaged goods.
- the effective area can be limited to the surface dimensions of the blister packaging if the latter are those with flat cover foils.
- the active surface of the second, upper tool part can preferably be raised in relation to the other surface sections thereof. In the course of retrofitting, this can easily be provided in the case of existing tool parts by milling or eroding the surface corresponding to the width of the film strand in the known sealing plates, so that only the surface of the packaging to be produced remains as the active surface.
- the upper part of the tool can expediently be formed in its active surface with a heat-free point corresponding to the number, size and placement of the recesses in the lower part of the tool.
- a blister packaging system shown in FIG. 1 which is however only shown in principle and shows no details, comprises on a machine bed 10 for the production of blister packs for pharmaceuticals (tablets, capsules or the like) by means of a base film, as a rule designating and used deformation film 11, which runs from a supply roll 111, and a cover film 12, which runs from a supply roll 121, a deformation station 13, in which the deformation film 11 to form nests 112 (FIG.
- a sealing station 14 in which the deforming film 11 and cover film 12 are connected to one another with the application of heat and pressure, a separating or punching station 15, in which the finished blister packs are punched out of the continuous film strip, and a waste collecting station 16 , in which separate collecting rollers 161 for the waste of the deforming film 11 and 162 for the waste of the cover film 12 are provided n are.
- this waste collection station 16 is in its separate design for the two foils due to the special design of the sealing tool according to FIG. 2 and 3 possible.
- the waste does not necessarily have to be rolled up, but it can, of course, preferably also be fed separately, in each case to a first further processing operation, for example a chopping and / or granulating process.
- a sealing tool 2 forming the essential component of the sealing station 14 comprises, as shown in FIG. 2, a lower tool part 21 in the form of a counter plate and an upper tool part 22 in the form of a sealing stamp.
- the two tool parts 21, 22 are shown in their rest position, ie at a distance from one another.
- the double film strip consisting of deforming film 11 with nests 112 already preformed thereon and packaged goods 3 deposited therein, here in the form of tablets, and of cover film 12 runs through them in cycles. In the position shown, the nests 112 are located above recesses 211 formed in the counter-holding plate 21.
- the sealing process can be initiated by moving the counter-holding plate 21 upwards in the direction of arrow A, so that the nests 112 are received by the recesses 211 are and the counter plate 21, which is not heated and, if necessary, cooled in a suitable manner, first comes to rest against the underside of the deforming film 11.
- the sealing stamp 22, which is heated to the required temperature, is usually fixed, but can also be moved downward in the direction of the arrow B in some devices. As a result of this relative movement, the surface of the deforming film 11 presses against the cover film 12.
- the underside of the cover film 12 is provided with an adhesive layer required for the connection, the connection being produced by the pressure generated between the holding plate 21 and the sealing stamp 22 and the heat transmitted by the stamp 22 brings about with the surface of the deforming film 11.
- the sealing stamp 22 comprises a raised active surface 221, the surface of which corresponds exactly to the surface of the packaging to be produced or is smaller than this, so that it is avoided in any case becomes that the punching waste / punching grid as described below have any connection between the materials, but that a simple and quick separate discharge is guaranteed.
- the packaging comprises, by way of example only, three deep-drawn nests for tablets, as shown.
- the active surface is produced in relation to the remaining part of the sealing plate by milling the latter, but any other suitable manufacturing method can also be used for the production of this active surface.
- the punching tool of the punching station 15 will be provided in a corresponding manner, so that packaging is punched out according to the active surface for removal from the system 1, while a waste film strip of the deforming film 11 and the cover film 12 runs according to the ladder-like pattern shown in FIG. 3 .
- the total surface of the sealing stamp 22 forms a recess 222 with respect to the active surface 221, which also improves the sealing pressure with a corrugation 223 which is known per se (this is only shown here in the upper left part, but extends over the entire active surface) and is provided with heat-free points 224 corresponding to the recesses 211 of the lower tool part 21.
- corrugation forms in the case of a plate-shaped design of the tools, as shown in the example, small, pyramid-shaped or truncated pyramids, so that the sealing pressure is exerted evenly, despite any unevenness or throwing-up that may exist in the foils, and this results in faultless packaging.
- a plate-shaped design of the tools as shown in the example, small, pyramid-shaped or truncated pyramids, so that the sealing pressure is exerted evenly, despite any unevenness or throwing-up that may exist in the foils, and this results in faultless packaging.
- roller or roller tools their surface is usually provided with an arrangement of intersecting, raised lines in order to achieve uniform pressure conditions.
- the overall advantages that can be achieved with the invention are that there are separated film wastes of a defined consistency, which can be easily and quickly fed to a recycling process that is geared solely to the individual material component in question, so that a highly pure and thus high-quality recycling product is obtained.
- it is possible to reduce the cost of producing the corrugation which is to be limited to the dimensions of the respective packaging, at least with regard to the edge regions.
- the latter taking into account the large number of different packaging sizes and the associated tool availability, is essential for the production costs of the system with tools.
- the invention completely eliminates the need to dispose of the considerable waste from the films, which are produced especially in the packaging industry for pharmaceutical products, so that the invention makes a significant contribution to a more environmentally friendly design of the packaging technology.
- the invention is not limited to this special branch of packaging technology, but can also be used successfully wherever films or layers of different types of material are processed and lead to composite waste, the separate disposal of which is difficult.
- the invention also enables a separate removal of plastic material and cover (aluminum) foil for the purpose of raw material-saving recycling.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Basic Packing Technique (AREA)
- Packages (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Detergent Compositions (AREA)
- Compounds Of Unknown Constitution (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Package Closures (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Herstellen von Verpackungsgut aufnehmenden Blister- oder ähnlich gearteten Verpackungen vorbestimmter Form und definierten Volumens im kontinuierlichen oder kontinuierlich getakteten Arbeitsgang unter Verwendung mindestens zweier vorzugsweise von der Rolle abgezogenen Folienbahnen unterschiedlichen Materials in Form von Verform- und Deckfolie, wobei eine Verformfolienbahn zur Erzeugung der das Verpackungsgut aufnehmenden Kavitäten ggf. nach Aufheizen/Erwärmen verformt sowie mit dem Verpackungsgut befüllt wird, eine Deckfolienbahn der verformten, das Verpackungsgut tragenden Verformfolienbahn zugeführt wird, beide Bahnen durch Siegeln miteinander verbunden werden, die Verpackungen von dem Folienbahnenstrang abgeteilt werden und das verbleibende Folienabfallmaterial gesammelt wird, sowie weiterhin ein Werkzeug zum Siegeln von Blister-Verpackungen, die eine tiefgezogene, das Verpackungsgut tragende Verformfolie sowie eine damit durch Siegeln unter Wärme und Druck verbundene Deckfolie umfassen, mit einem Paar platten- oder walzenförmiger Werkzeugteile, die durch Relativbewegung zueinander die die Packung bildenden Folien zwischen sich aufnehmen und den Siegelvorgang durchführen und von denen ein erstes, vorzugsweise unteres Werkzeugteil mindestens eine Ausnehmung zur Aufnahme mindestens eines das Verpackungsgut tragenden tiefgezogenen Nestes der Verformfolie aufweist und gekühlt ist, während ein zweites, vorzugsweise oberes Werkzeugteil eine geriffelte Oberfläche für die Druckausübung hat und erwärmbar ist.The invention relates to a method for producing blister packs or similar types of packagings of predetermined shape and defined volume in a continuous or continuously timed operation using at least two preferably different webs of film in the form of a deformable and cover sheet, preferably a web of deformable film to produce the cavities that hold the goods to be packaged, if necessary after being heated / heated, and filled with the goods to be packaged, a cover film web is fed to the deformed deformable film web carrying the goods to be packaged, both webs are connected to one another by sealing, the packaging is separated from the film web strand, and that remaining film waste material is collected, as well as a tool for sealing blister packs that contain a thermoformed deforming film that carries the packaged goods, and thus a seal r comprise heat and pressure connected cover film, with a pair of plate or roller-shaped tool parts which, by relative movement to one another, take up the films forming the pack between them and carry out the sealing process and of which a first, preferably lower tool part has at least one recess for receiving at least one of them Has the deep-drawn nest of the deformable film carrying the packaged goods and is cooled, while a second, preferably upper tool part has a corrugated surface for exerting pressure and can be heated.
Die Art der Herstellung von Blister-Verpackungen hat in zunehmendem Maße für Arzneimittel in Tabletten- oder Kapselform Eingang in die Praxis gefunden; so trifft man heute kaum mehr in Röhrchen verpackte Tabletten an. Das Blistern wird aber auch für Gegenstände anderer, teil weise recht unterschiedlicher Bereiche verwendet, so z.B. im Haushalts-, Lebensmittel- und Süßwaren-, Geschäftsund Büro-, Do-it-yourself-Bereich usw. Man findet heute allenthalben geblisterte Tuben, Fläschchen, Werkzeuge, Werkstücke wie Nägel, Heftzwecken, Klammern, Gewürzgefäße etc. Alle diese Angaben sind rein beispielhaft zu sehen, da die Entwicklung eher auf eine Ausweitung der Einsatzbereiche denn auf eine Beschränkung schließen läßt.The way in which blister packs are manufactured has found increasing use in medicine for tablets or capsules. you can hardly find tablets packed in tubes today. Blistering is also used for other people's items wise used quite different areas, such as in the household, food and confectionery, business and office, do-it-yourself area, etc. Today you will find blistered tubes, vials, tools, workpieces such as nails, tacks, staples, Spice jars etc. All this information is to be seen purely as an example, since the development suggests an expansion of the areas of application rather than a restriction.
Angesichts der zunehmenden Verknappung der Rohstoffe und Energiequellen und der Bestrebungen, gerade Verpackungsmaterialien wieder zu verwenden, ist es bekannt geworden (DE-OS 31 10 254), die beim Herstellen von Blister-Verpackungen insbesondere in der Pharma-Industrie als Fehlchargen in großen Mengen anfallenden Abfälle dem Recycling zuzuführen. Infolge der Trennungsprobleme der üblichen Aluminium-PVC-Materialkombination bzw. zur Vermeidung dieser Probleme wird diese Materialkombination, also PVC und Aluminium gemeinsam, einer Zerkleinerungsmaschine zugeführt und granuliert, und das erhaltene Alu-PVC-Granulat wird mit Kunststoffzusätzen, speziell Kunststoff-Rohgranulaten, zu neuen Kunststoffprodukten verarbeitet, vor allem in Preß-, Spritzguß- oder Extrudierverfahren. Das so erhaltene Material, das eine Entsorgung der Abfälle überflüssig macht, soll im Kunststofformenbau für PU-Schäumformen, als Füllmaterial bei Klebstoffen und Vergußmassen in der Bauindustrie und als Zumischprodukt bei der Herstellung von Spanplatten verwendet werden. Es handelt sich damit sämtlich um die Verwendung eines Mischmaterials für Massenteile, bei denen es nicht auf die Qualität des Ausgangsstoffes ankommt, sondern eben Füll- und Zusatzstoffe minderer Qualität ohne für das Endprodukt abträgliche Wirkung einsetzbar sind. Damit wird aber gerade nicht der Hochwertigkeit und dem Preis der Basisstoffe Aluminium und Kunststoff wie PVC Rechnung getragen. Vielmehr ergeben sich erkennbar Schwierig keiten dadurch, daß bei aus unterschiedlichem Material bestehenden Folienbahnen, die im Falle der Verblisterung von Arzneimitteln in der Regel PVC als Material für die Verformfolie und Aluminium als Abdeckfolie aufweisen - obwohl in vielen anderen Bereichen z.B. auch andere Kunststoffe als Verformfolien und Papiermaterialien als Abdeckfolie Verwendung finden - und ganzflächig durch Siegeln oder sonstiges Kleben miteinander verbunden sind, diese Materialien somit gemeinsam d.h. im Verbund anfallen. Das hat dazu geführt, daß bisher die am Ende eines Herstellungsvorganges von Blisterpackungen in Mengen von 10 bis 20% der Verpackungsfolienbahnen anfallenden, miteinander verbundenen Abfallstreifen bzw. Stanzgitter nicht dem Recycling zugeführt, sondern im Gegensatz zu dem bekannten Recycling bei FehlchargenAbfällen in der Pharmaindustrie nach wie vor als nicht verwendbarer Abfall betrachtet werden und deshalb entsorgt werden müssen.In view of the increasing scarcity of raw materials and energy sources and the efforts to reuse packaging materials in particular, it has become known (DE-OS 31 10 254) that large batches of defective batches occur in the manufacture of blister packs, particularly in the pharmaceutical industry Recycle waste. As a result of the separation problems of the usual aluminum-PVC material combination or in order to avoid these problems, this material combination, i.e. PVC and aluminum together, is fed to a comminution machine and granulated, and the aluminum PVC granulate obtained is mixed with plastic additives, especially plastic raw granules processed new plastic products, especially in pressing, injection molding or extrusion processes. The material obtained in this way, which makes waste disposal superfluous, is to be used in plastic mold construction for PU foam molds, as filler material for adhesives and casting compounds in the construction industry and as an admixture product in the production of chipboard. It is therefore all about the use of a mixed material for mass parts, where the quality of the raw material is not important, but fillers and additives of lower quality can be used without detrimental effects on the end product. However, this does not take into account the high quality and the price of the basic materials aluminum and plastic such as PVC. Rather, there are recognizably difficult due to the fact that in the case of film webs made of different materials, which in the case of blistering of medicinal products generally have PVC as the material for the deforming film and aluminum as the covering film - although in many other areas, for example, plastics other than deforming films and paper materials are also used as the covering film - and are connected to one another over the entire area by sealing or other adhesive, these materials thus occur together, that is to say in a bond. This has led to the fact that the interconnected waste strips or lead frames at the end of a manufacturing process of blister packs in quantities of 10 to 20% of the packaging film webs have not been recycled, but, in contrast to the known recycling of batch waste in the pharmaceutical industry, as before be regarded as unusable waste and therefore have to be disposed of.
Der Erfindung liegt deshalb die Aufgabe zugrunde, den Verblisterungsvorgang so zu gestalten, daß ein Recyclinggerechtes Abfallerzeugnis anfällt, das die Wiedergewinnung der teueren Rohstoffe jeweils für sich und damit beträchtliche Kostenersparnisse an Material ermöglicht, sowie ein zu diesem Zwecke geeignete Vorrichtung vorzusehen.The invention is therefore based on the object to design the blistering process so that a recyclable waste product is obtained, which enables the recovery of the expensive raw materials and thus considerable cost savings in material, and to provide a device suitable for this purpose.
Diese Aufgabe wird bei dem Verfahren nach der Erfindung dadurch gelöst, daß das Siegeln auf den Bereich der Fläche der abzuteilenden Verpackung begrenzt und das Abfallmaterial von Verform- und Deckfolie nach dem Abteilen der Verpackungen separat zum Zwecke des Recyclings gesammelt wird, und bei dem eingangs beschriebenen Werkzeug dadurch, daß die Begrenzung wenigstens einer der mit einer der Packungsfolien beim Siegeln in Berührung gelangenden Wirkflächen der beiden Werkzeugteile den Flächengrenzen der Blister-Verpackung entspricht.This object is achieved in the method according to the invention in that the sealing is limited to the area of the area of the packaging to be divided and the waste material from the shaping and cover film is collected separately for the purpose of recycling after the packaging has been divided, and in the case described at the beginning Tool in that the delimitation of at least one of the active surfaces of the two tool parts coming into contact with one of the packaging foils during sealing corresponds to the surface boundaries of the blister packaging.
Mit erfindungsgemäßem Verfahren und Werkzeug wird somit in Lösung der Aufgabe eine Möglichkeit geschaffen, unmittelbar im Zuge des Blister-Verpackens ein nur unter geringem technischen Aufwand erzielbares Abfallprodukt anfallen zu lassen, das direkt dem Recycling jeder einzelnen Produktkomponente für sich zugeführt werden kann. Dieses Verpackungsverfahren ist damit wesentlich umweltfreundlicher und Energie sparender, wenn man bedenkt, daß die Verschnitte der Folienbahnen bei der Herstellung solcher Blisterpackungen zwischen 10 und 20 % betragen und ohne jeglichen nachfolgenden Trennvorgang einem Recycling zugeführt werden können. Bei der erwähnten zunehmenden Neigung zum Verpacken mittels Blistern stellt dies einen wesentlichen Schritt zur Ersparnis von immer knapper werdenden Rohstoffen dar, wie natürlich auch angesichts der möglichst niedrig zu haltenden Folgekosten für die Weiterverarbeitung von Abfällen eine wirksame Kostenersparnis erzielt werden kann. Der erfindungsgemäße Aufbau des Werkzeuges macht es in einfacher Weise möglich, nur die Fläche der eigentlichen Verpackung mit der Verformfolie zu verbinden, während alle übrigen Teile der ablaufenden Folien voneinander getrennt bleiben. Ein solches Werkzeug ist in seinem Gesamtaufbau unaufwendig herstellbar und kann leicht in bestehenden Anlagen nachgerüstet werden, wie auch vorhandene Werkzeuge beispielsweise durch Fräsen oder Erodieren nachgearbeitet werden können. Das Stanzwerkzeug in einer Trenn- oder Stanzstation der Anlage ist dabei in der Größe der Verpackung ausgebildet, um exakt entlang der Wirkflächen die Verpackung aus dem laufenden Folienstrang herauszutrennen, so daß die Abfälle, die seitlich und zwischen den einzelnen Verpackungen bestehen, in einem fortlaufenden Abfallstrang abgeführt und jeweils für sich weiterverwertet werden können.With the method and tool according to the invention, a solution to the problem is thus created, in the course of blister packaging, to produce a waste product which can only be obtained with little technical effort and which can be directly recycled for each individual product component. This packaging process is therefore much more environmentally friendly and energy-saving, if one considers that the blanks of the film webs in the production of such blister packs are between 10 and 20% and can be recycled without any subsequent separation process. With the increasing tendency towards blister packaging mentioned above, this represents an important step towards saving increasingly scarce raw materials, just as, of course, effective cost savings can also be achieved in view of the subsequent costs for the further processing of waste that must be kept as low as possible. The structure of the tool according to the invention makes it possible in a simple manner to connect only the surface of the actual packaging to the deforming film, while all other parts of the running films remain separate from one another. The overall structure of such a tool is inexpensive to manufacture and can easily be retrofitted in existing systems, just as existing tools can be reworked, for example by milling or eroding. The punching tool in a separating or punching station of the system is designed in the size of the packaging in order to separate the packaging from the running film strand exactly along the active surfaces, so that the waste that exists on the side and between the individual packages is in a continuous waste strand can be dissipated and recycled for themselves.
Um das Verpackungsgut möglichst schonend zu behandeln, was insbesondere bei wärme- und/oder druckempfindlichen Materialien wie z.B. Weichgelatinekapseln von Bedeutung ist, kann in Weiterbildung des erfindungsgemäßen Verfahrens die Abdeckfolie beim Siegeln ausschließlich in Berührungsbereichen mit der tiefgezogenen, das Verpackungsgut tragenden Verformfolie mit für das Versiegeln erforderlichem Druck und Wärme beaufschlagt werden.In order to treat the packaged goods as gently as possible, What is particularly important for heat- and / or pressure-sensitive materials such as soft gelatin capsules, in a further development of the method according to the invention, the sealing film can be subjected to the pressure and heat required for sealing only in contact areas with the deep-drawn deformation film carrying the packaged goods.
In besonders zweckmäßiger Anordnung des Siegelwerkzeuges kann die Wirkfläche auf die Oberflächenabmessungen der Blister-Verpackung begrenzt sein, wenn es sich bei letzteren um solche mit ebenen Deckfolien handelt. Vorzugsweise kann die Wirkfläche des zweiten, oberen Werkzeugteils gegenüber den übrigen Oberflächenabschnitten desselben erhaben sein. Im Zuge der Nachrüstung kann man dieses leicht bei vorhandenen Werkzeugteilen vorsehen, indem die bei den bisher bekannten Siegelplatten im wesentlichen der Breite des Folienstranges entsprechende Oberfläche abgefräst oder erodiert wird, so daß als Wirkfläche nur noch die Oberfläche der zu erzeugenden Verpackung stehen bleibt.In a particularly expedient arrangement of the sealing tool, the effective area can be limited to the surface dimensions of the blister packaging if the latter are those with flat cover foils. The active surface of the second, upper tool part can preferably be raised in relation to the other surface sections thereof. In the course of retrofitting, this can easily be provided in the case of existing tool parts by milling or eroding the surface corresponding to the width of the film strand in the known sealing plates, so that only the surface of the packaging to be produced remains as the active surface.
Um zu vermeiden, daß die beim Siegelvorgang zuzuführende Wärme und der Druck irgendwelche negativen Einflüsse auf das in den Tiefziehnestern der Verformfolie befindliche Verpackungsgut haben, was insbesondere dann schädlich ist, wenn es sich um empfindliche Pharmazeutika wie z.B. Weichgelatinekapseln handelt, kann zweckmäßig das obere Werkzeugteil in seiner Wirkfläche mit einer nach Zahl, Größe und Plazierung den Ausnehmungen im unteren Werkzeugteil entsprechenden erwärmungsfreien Stellen ausgebildet sein.In order to avoid that the heat and pressure to be supplied during the sealing process have any negative effects on the packaging material located in the deep-drawing nests of the deformable film, which is particularly harmful when it comes to sensitive pharmaceuticals such as e.g. Soft gelatin capsules are concerned, the upper part of the tool can expediently be formed in its active surface with a heat-free point corresponding to the number, size and placement of the recesses in the lower part of the tool.
Weitere Vorteile und Ausführungsformen oder -möglichkeiten der Erfindung gehen aus der folgenden Beschreibung der in der schematischen Zeichnung dargestellten Aus führungsbeispiele hervor. Es zeigt
- Fig. 1 das Prinzip einer Blister-Verpackungsanlage in Seitenansicht,
- Fig. 2 ein Siegelwerkzeug in Seitenansicht in auseinandergefahrenem Zustand und
- Fig. 3 die Unteransicht eines oberen Werkzeugteils entsprechend III III der Fig. 2.
- 1 shows the principle of a blister packaging system in a side view,
- Fig. 2 is a sealing tool in side view in an expanded state and
- 3 shows the bottom view of an upper tool part corresponding to III III of FIG. 2.
Eine in Fig. 1 gezeigte Blister-Verpackungsanlage, die jedoch nur ganz prinzipiell dargestellt ist und keinerlei Details zeigt, umfaßt auf einem Maschinenbett 10 zum Herstellen von Blisterpackungen für Pharmazeutika (Tabletten, Kapseln od.dgl.) mittels einer in der Regel als Bodenfolie zu bezeichnenden und zum Einsatz gelangenden Verformfolie 11, die von einer Vorratsrolle 111 abläuft, und einer Deckfolie 12, die von einer Vorratsrolle 121 abläuft, eine Verformungsstation 13, in der die Verformfolie 11 zur Bildung von Nestern 112 (Fig. 2) für die Aufnahme von Tabletten 3 tiefgezogen wird, eine Siegelstation 14, in der Verformfolie 11 und Deckfolie 12 unter Wärme- und Druckzufuhr miteinander verbunden werden, eine Trenn- oder Stanzstation 15, in der die fertigen Blister-Verpackungen aus dem fortlaufenden Folienband ausgestanzt werden, sowie eine Abfallsammelstation 16, in der separate Sammelrollen 161 für die Abfälle der Verformfolie 11 und 162 für die Abfälle der Deckfolie 12 vorgesehen sind. Diese Abfallsammelstation 16 ist in ihrer separaten Ausbildung für die beiden Folien im Gegensatz zu dem Stand der Technik, in dem die Abfälle nur gemeinsam gesammelt werden können, durch die besondere Ausbildung des Siegelwerkzeuges gemäß Fig. 2 und 3 möglich. Natürlich brauchen die Abfälle nicht unbedingt aufgerollt zu werden, sondern sie können auch, selbstverständlich bevorzugt separat, jeweils einem ersten Weiterverarbeitungsvorgang, z.B. einem Häcksel- und/oder Granulierprozeß, zugeführt werden.A blister packaging system shown in FIG. 1, which is however only shown in principle and shows no details, comprises on a
Ein den wesentlichen Bestandteil der Siegelstation 14 bildendes Siegelwerkzeug 2 umfaßt, wie in Fig. 2 dargestellt, ein unteres Werkzeugteil 21 in Form einer Gegenhalteplatte und ein oberes Werkzeugteil 22 in Form eines Siegelstempels. Die beiden Werkzeugteile 21, 22 sind in ihrer Ruhestellung, d.h. im Abstand zueinander, abgebildet. Zwischen ihnen läuft das doppelte Folienband, bestehend aus Verformfolie 11 mit daran bereits vorgeformten Nestern 112 und darin abgelegtem Verpackungsgut 3, hier in Form von Tabletten, und aus Deckfolie 12, taktweise durch. In der gezeigten Position befinden sich die Nester 112 über in der Gegenhalteplatte 21 ausgeformten Ausnehmungen 211. In dieser Position kann der Siegelvorgang eingeleitet werden, indem die Gegenhalteplatte 21 in Richtung des Pfeiles A aufwärts bewegt wird, so daß die Nester 112 von den Ausnehmungen 211 aufgenommen werden und die Gegenhalteplatte 21, die nicht erwärmt und, falls notwendig, in geeigneter Weise gekühlt ist, zunächst gegen die Unterseite der Verformfolie 11 zur Anlage kommt. Der Siegelstempel 22, der auf die erforderliche Temperatur erwärmt wird, ist üblicherweise fest, kann aber bei manchen Vorrichtungen auch in Richtung des Pfeiles B nach unten gefahren werden. Durch diese Relativbewegung drückt die Oberfläche der Verformfolie 11 gegen die Deckfolie 12. Die Unterseite der Deckfolie 12 ist mit einer für die Verbindung erforderlichen Kleberschicht versehen, die durch den zwischen Gegenhalteplatte 21 und Siegelstempel 22 erzeugten Druck und die von dem Stempel 22 übertragene Wärme die Verbindung mit der Oberfläche der Verformfolie 11 herbeiführt.A
Aus der Unteransicht der Fig. 3 in Verbindung der Seitenansicht der Fig. 2 ist erkennbar, daß der Siegelstempel 22 eine erhabene Wirkfläche 221 umfaßt, deren Oberfläche maximal exakt der Oberfläche der herzustellenden Verpackung entspricht oder kleiner als diese ist, so daß auf jeden Fall vermieden wird, daß die wie nachstehend beschriebenen Stanzabfälle/Stanzgitter irgendeinen Verbund zwischen den Materialien aufweisen, sondern daß eine einfache und schnelle separate Abführung gewährleistet ist. Die Verpackung umfaßt, rein beispielhaft, wie gezeigt, drei Tiefziehnester für Tabletten. Die Wirkfläche ist gegenüber dem übrigen Teil der Siegelplatte durch Abfräsen des letzteren erzeugt, aber es kommt für die Herstellung dieser Wirkfläche auch jedes andere geeignete Herstellungsverfahren in Betracht. Das Stanzwerkzeug der Stanzstation 15 wird in entsprechender Weise vorgesehen sein, so daß Verpackungen entsprechend der Wirkfläche zum Abtransport aus der Anlage 1 ausgestanzt werden, während ein Abfall-Folienstreifen jeweils der Verformfolie 11 und der Deckfolie 12 entsprechend dem aus Fig. 3 erkennbaren leiterähnlichen Raster abläuft. Mit anderen Worten bildet die Gesamtoberfläche des Siegelstempels 22 einen Rezeß 222 gegenüber der Wirkfläche 221, die außerdem zur Verbesserung des Siegeldruckes mit einer für sich bekannten Riffelung 223 (diese ist hier nur im linken oberen Teil gezeigt, erstreckt sich aber über die gesamte Wirkfläche) sowie mit erwärmungsfreien Stellen 224 entsprechend den Ausnehmungen 211 des unteren Werkzeugteils 21 versehen ist. Die Riffelung bildet bei plattenförmiger Ausbildung der Werkzeuge, wie im Beispiel gezeigt, kleine, pyramiden- oder pyramidenstumpfförmige Erhebungen, so daß der Siegeldruck trotz möglicherweise in den Folien bestehender Unebenheiten oder Aufwerfungen gleichmäßig ausgeübt wird und somit eine fehlerfreie Verpackung entsteht. - Werden hingegen Rollen- oder Walzenwerkzeuge verwendet, so ist deren Oberfläche üblicherweise mit einer Anordnung sich kreuzender, erhabener Linien zur Erzielung gleichmäßiger Druckverhältnisse versehen.From the bottom view of FIG. 3 in connection with the side view of FIG. 2 it can be seen that the
Mit dem in den Figuren gezeigten plattenförmigen Siegelwerkzeug und entsprechend ausgestalteten Stanzwerkzeugen ist ein kontinuierlich getakteter Herstellungsvorgang möglich. Will man einen ungetakteten, fortlaufenden Arbeitsfluß erzielen, so bietet sich hierfür die vorerwähnte Ausbildung der Werkzeuge in Walzenform an, wobei dann ebenso wie beim Takten die Werkzeuge genau hinsichtlich ihrer Relativposition zueinander gesteuert werden müssen.With the plate-shaped sealing tool shown in the figures and correspondingly designed punching tools, a continuously clocked manufacturing process is possible. If you want to achieve an unclocked, continuous workflow, the above-mentioned design of the tools in the form of a roller is suitable for this purpose, and then, just as with clocking, the tools must be controlled precisely with regard to their relative position to one another.
Die insgesamt mit der Erfindung erzielbaren Vorteile bestehen darin, daß voneinander separierte Folienabfälle definierter Konsistenz anfallen, die man einfach und schnell einem allein auf die betreffende einzelne Materialkomponente abgestellten und dafür spezifischen Recyclingvorgang zuführen kann, so daß man ein hochgradig reines und damit hochwertiges Recyclingprodukt erhält. Zugleich ist es möglich, die Kosten für die Erzeugung der Riffelung, die auf die Abmessungen der jeweiligen Verpackungen zu begrenzen ist, zumindest hinsichtlich der Randbereiche zu reduzieren. Letzteres ist, berücksichtigt man die Vielzahl der unterschiedlichen Verpackungsgrößen und der damit verbundenen Werkzeugbereithaltung, für die Gestehungskosten der Anlage mit Werkzeugen von wesentlicher Bedeutung. Vor allem aber wird es durch die Erfindung völlig überflüssig, die doch beträchtlichen Abfälle aus den Folien, die speziell in der Verpackungsindustrie für pharmazeutische Produkte anfallen, entsorgen zu müssen, so daß die Erfindung einen maßgeblichen Beitrag für eine umweltfreundlichere Gestaltung der Verpackungstechnik darstellt.The overall advantages that can be achieved with the invention are that there are separated film wastes of a defined consistency, which can be easily and quickly fed to a recycling process that is geared solely to the individual material component in question, so that a highly pure and thus high-quality recycling product is obtained. At the same time, it is possible to reduce the cost of producing the corrugation, which is to be limited to the dimensions of the respective packaging, at least with regard to the edge regions. The latter, taking into account the large number of different packaging sizes and the associated tool availability, is essential for the production costs of the system with tools. Above all, however, the invention completely eliminates the need to dispose of the considerable waste from the films, which are produced especially in the packaging industry for pharmaceutical products, so that the invention makes a significant contribution to a more environmentally friendly design of the packaging technology.
Natürlich ist die Erfindung nicht auf diesen speziellen Zweig der Verpackungstechnik beschränkt, sondern sie kann mit Erfolg auch überall dort eingesetzt werden, wo Folien oder Schichten unterschiedlicher Materialarten verarbeitet werden und zu Verbundabfällen führen, deren separate Entsorgung Schwierigkeiten bereitet. Das trifft beispielsweise für die Milchindustrie zu, speziell das Füllen von Tiefzieh-Plastikbechern mit Milch, Sahne, Joghurt, Quark, Pudding etc. auf solchen Füllanlagen, in denen der Kunststoff für die Becher als fortlaufende Bahn zugeführt, aufgeheizt und mittels Formstempel oder Vakuum in größeren, zusammenhängenden Einheiten tiefgezogen wird, worauf, im Gegensatz zu der häufig eingesetzten Einzelbecher-Befüllung, das Befüllen der Einheit und das Verschließen mit einer von einer Vorratsrolle abgezogenen Endlos-Alufolie in einer Siegelstation erfolgt. Dabei ist es bisher so, daß das beim Ausstanzen der Einzelbecher anfallende Stanzgitter gehäckselt und so entsorgt wird. Die Erfindung ermöglicht auch hier eine separate Abführung von Plastikmaterial und Deck- (Alu-)folie zum Zwecke eines rohstoffsparenden Recyclings.Of course, the invention is not limited to this special branch of packaging technology, but can also be used successfully wherever films or layers of different types of material are processed and lead to composite waste, the separate disposal of which is difficult. This applies, for example, to the dairy industry, especially the filling of thermoformed plastic cups with milk, cream, yogurt, curd cheese, pudding etc. on filling systems in which the plastic for the cups is fed as a continuous web, heated up and stamped or vacuumed in larger, coherent units is deep-drawn, whereupon, in contrast to the frequently used single-cup filling, the unit is filled and sealed with a continuous aluminum foil removed from a supply roll in a sealing station. So far, it has been the case that the leadframe resulting from the punching out of the individual cups is chopped and thus disposed of. The invention also enables a separate removal of plastic material and cover (aluminum) foil for the purpose of raw material-saving recycling.
Claims (6)
a) eine Verformfolienbahn zur Erzeugung der das Verpackungsgut aufnehmenden Kavitäten ggf. nach Aufheizen/Erwärmen verformt sowie
b) mit dem Verpackungsgut befüllt wird,
c) eine Deckfolienbahn der verformten, das Verpackungsgut tragenden Verformfolienbahn zugeführt wird,
d) beide Bahnen durch Siegeln miteinander verbunden werden,
e) die Verpackungen von dem Folienbahnstrang abgeteilt werden und
f) das verbleibende Folienabfallmaterial gesammelt wird,
dadurch gekennzeichnet, daß
g) das Siegeln auf den Bereich der Fläche der abzuteilenden Verpackung begrenzt und
h) das Abfallmaterial von Verform- und Deckfolie nach dem Abteilen der Verpackungen separat zum Zwecke des Recyclings gesammelt wird.1. A method for producing blister or similar type of packaging of predetermined shape and defined volume in a continuous or continuously clocked operation using at least two preferably different webs of material, preferably pulled off the roll, in the form of deformable (bottom) and cover foils, in which
a) deforming a sheet of deformable film to produce the cavities receiving the packaging material, if necessary after heating / heating, and
b) is filled with the packaging goods,
c) a cover film web is fed to the deformed deformation film web carrying the packaged goods,
d) both webs are connected to one another by sealing,
e) the packaging is separated from the film web strand and
f) the remaining film waste material is collected,
characterized in that
(g) the sealing is limited to the area of the packaging to be divided and
h) the waste material from the deforming and cover film is collected separately after the packaging has been divided for the purpose of recycling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89100712T ATE77319T1 (en) | 1988-02-05 | 1989-01-17 | METHOD AND DEVICE FOR MANUFACTURE OF BLISTER PACKAGING. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3803979 | 1988-02-05 | ||
DE3803979A DE3803979A1 (en) | 1988-02-05 | 1988-02-05 | METHOD FOR PRODUCING PACKAGING BLISTER PACKAGING AND TOOL FOR SEALING BLISTER PACKAGING |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0326846A1 true EP0326846A1 (en) | 1989-08-09 |
EP0326846B1 EP0326846B1 (en) | 1992-06-17 |
Family
ID=6347030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89100712A Expired - Lifetime EP0326846B1 (en) | 1988-02-05 | 1989-01-17 | Method and apparatus for making blister packages receiving packaging goods |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0326846B1 (en) |
JP (1) | JPH01226505A (en) |
KR (1) | KR890012861A (en) |
CN (1) | CN1034897A (en) |
AT (1) | ATE77319T1 (en) |
DD (1) | DD283358A5 (en) |
DE (2) | DE3803979A1 (en) |
DK (1) | DK19989A (en) |
ES (1) | ES2032611T3 (en) |
FI (1) | FI890390A (en) |
GR (1) | GR3005458T3 (en) |
NO (1) | NO890451L (en) |
PT (1) | PT89622A (en) |
ZA (1) | ZA89859B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1992001553A1 (en) * | 1990-07-18 | 1992-02-06 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Process for sealing off at least one well in multi-well plate designed to hold chemical and/or biochemical and/or microbiological substances, and a device for carrying out the process |
AT399127B (en) * | 1990-05-18 | 1995-03-27 | Scheibelhofer Peter | DECORATION BODY, ESPECIALLY MADE OF GLASS, FOR GLUING ON SMOOTH SURFACES, PARTICULARLY GLASS SURFACES |
US5582665A (en) * | 1990-07-18 | 1996-12-10 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. | Process for sealing at least one well out of a number of wells provided in a plate for receiving chemical and/or biochemical and/or microbiological substances, and installation for carrying out the process |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4010428C2 (en) * | 1990-03-31 | 1994-02-17 | Tad Pharm Werk | Containers for particles that can be incorporated by the human or animal body |
DE9301625U1 (en) * | 1993-02-05 | 1993-06-17 | Gebhardt, Karl Martin, 8300 Landshut | Foil + foil device |
DE4402038A1 (en) * | 1994-01-25 | 1995-07-27 | Borries Horst Von | Blister pack |
ITMO20080063A1 (en) * | 2008-03-05 | 2009-09-06 | Inovapak Srl | EQUIPMENT AND METHODS FOR PRODUCING CONTAINERS |
WO2010140169A2 (en) * | 2009-06-03 | 2010-12-09 | Satish Gopal Rao | Apparatus for pharmaceutical packaging |
CN103287631A (en) * | 2013-06-18 | 2013-09-11 | 江南大学 | Vacuum packaging structure for rice dumpling and packaging method for rice dumpling |
EP3135602A1 (en) | 2015-08-25 | 2017-03-01 | Bayer Pharma Aktiengesellschaft | Blister pack |
BR112019001406A2 (en) | 2016-07-26 | 2019-07-02 | Bayer Ag | sheet joining in the accurate record |
CN110395429B (en) * | 2019-07-30 | 2021-08-10 | 深圳市天利兴科技开发有限公司 | Medical plastic-aluminum packaging mold |
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DE1972855U (en) * | 1967-09-07 | 1967-11-16 | Adolf Illig Maschb | PACKAGING MACHINE. |
DE2344620A1 (en) * | 1973-09-05 | 1975-03-20 | Hassia Verpackung Ag | Metal foil lined deep draw plastics containers - continuously produced with metal foil and plastics deep drawn in one operation |
-
1988
- 1988-02-05 DE DE3803979A patent/DE3803979A1/en not_active Withdrawn
-
1989
- 1989-01-17 AT AT89100712T patent/ATE77319T1/en not_active IP Right Cessation
- 1989-01-17 EP EP89100712A patent/EP0326846B1/en not_active Expired - Lifetime
- 1989-01-17 ES ES198989100712T patent/ES2032611T3/en not_active Expired - Lifetime
- 1989-01-17 DE DE8989100712T patent/DE58901643D1/en not_active Expired - Lifetime
- 1989-01-17 DK DK019989A patent/DK19989A/en not_active Application Discontinuation
- 1989-01-26 FI FI890390A patent/FI890390A/en not_active Application Discontinuation
- 1989-02-03 CN CN89100724A patent/CN1034897A/en active Pending
- 1989-02-03 PT PT89622A patent/PT89622A/en not_active Application Discontinuation
- 1989-02-03 NO NO89890451A patent/NO890451L/en unknown
- 1989-02-03 ZA ZA89859A patent/ZA89859B/en unknown
- 1989-02-03 DD DD89325512A patent/DD283358A5/en not_active IP Right Cessation
- 1989-02-04 KR KR1019890001342A patent/KR890012861A/en not_active Application Discontinuation
- 1989-02-06 JP JP1025973A patent/JPH01226505A/en active Pending
-
1992
- 1992-08-20 GR GR920401585T patent/GR3005458T3/el unknown
Patent Citations (2)
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CH273833A (en) * | 1950-09-19 | 1951-02-28 | Hess Arthur | Cover on disk-shaped objects, such as typewriter ribbon rolls, tablets and the like, method for the production of such covers and machine for carrying out this method. |
DE3111537A1 (en) * | 1981-03-24 | 1982-10-07 | Zott KG, 8851 Mertingen | Process for the production of closed portion packs |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT399127B (en) * | 1990-05-18 | 1995-03-27 | Scheibelhofer Peter | DECORATION BODY, ESPECIALLY MADE OF GLASS, FOR GLUING ON SMOOTH SURFACES, PARTICULARLY GLASS SURFACES |
WO1992001553A1 (en) * | 1990-07-18 | 1992-02-06 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Process for sealing off at least one well in multi-well plate designed to hold chemical and/or biochemical and/or microbiological substances, and a device for carrying out the process |
US5582665A (en) * | 1990-07-18 | 1996-12-10 | Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. | Process for sealing at least one well out of a number of wells provided in a plate for receiving chemical and/or biochemical and/or microbiological substances, and installation for carrying out the process |
Also Published As
Publication number | Publication date |
---|---|
DD283358A5 (en) | 1990-10-10 |
EP0326846B1 (en) | 1992-06-17 |
NO890451D0 (en) | 1989-02-03 |
DE3803979A1 (en) | 1989-08-17 |
NO890451L (en) | 1989-08-07 |
DE58901643D1 (en) | 1992-07-23 |
DK19989A (en) | 1989-08-06 |
FI890390A0 (en) | 1989-01-26 |
ES2032611T3 (en) | 1993-02-16 |
GR3005458T3 (en) | 1993-05-24 |
PT89622A (en) | 1989-10-04 |
DK19989D0 (en) | 1989-01-17 |
ZA89859B (en) | 1991-01-30 |
KR890012861A (en) | 1989-09-19 |
FI890390A (en) | 1989-08-06 |
JPH01226505A (en) | 1989-09-11 |
ATE77319T1 (en) | 1992-07-15 |
CN1034897A (en) | 1989-08-23 |
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