EP0543775B1 - Emballage en blister - Google Patents

Emballage en blister Download PDF

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Publication number
EP0543775B1
EP0543775B1 EP92810856A EP92810856A EP0543775B1 EP 0543775 B1 EP0543775 B1 EP 0543775B1 EP 92810856 A EP92810856 A EP 92810856A EP 92810856 A EP92810856 A EP 92810856A EP 0543775 B1 EP0543775 B1 EP 0543775B1
Authority
EP
European Patent Office
Prior art keywords
lid
compartment
bottom part
circumference
press
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.)
Expired - Lifetime
Application number
EP92810856A
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German (de)
English (en)
Other versions
EP0543775A1 (fr
Inventor
Dieter Schmiletzky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3A Composites International AG
Original Assignee
Alusuisse Lonza Services Ltd
Alusuisse Technology and Management Ltd
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Filing date
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Publication of EP0543775A1 publication Critical patent/EP0543775A1/fr
Application granted granted Critical
Publication of EP0543775B1 publication Critical patent/EP0543775B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/325—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
    • B65D75/326—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil and forming one compartment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/325—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
    • B65D75/327—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil and forming several compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2575/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by association or interconnecting two or more sheets or blanks
    • B65D2575/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D2575/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D2575/3209—Details
    • B65D2575/3218—Details with special means for gaining access to the contents
    • B65D2575/3227—Cuts or weakening lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/56—Containers, packaging elements or packages specially adapted for particular articles or materials for medicinal tablets or pills

Definitions

  • the present invention relates to a push-through pack containing a base part with two or more compartments, depressions or cups and a peelable lid attached to the edge of the compartments, depressions or cups.
  • Packaging of this type is e.g. known for receiving tablets shaped like tablets.
  • Each of the individual compartments, recesses or cells can be loaded with a tablet or the like, and then the packaging can be closed with a lid.
  • the lid is usually sealed on the flat surfaces provided for this purpose on the upper outer edge and any dividing webs that may be present.
  • the entire filling material is tightly sealed from the outside and the various filling materials in the various compartments are also sealed from one another.
  • Packing units of this type are known as push-through packs or blister packs, provided that the contents can be removed by manually pushing in the base part or well base and pushing through the cover part.
  • the blister packs which have become known to date generally have a base part made of plastic or a plastic composite and a cover, for example made of aluminum foil or an aluminum-containing foil composite.
  • a base part made of plastic or a plastic composite
  • a cover for example made of aluminum foil or an aluminum-containing foil composite.
  • DE-B-1 288 979 describes a film packaging for tablets, the film, which holds the objects, lines of weakness and the cover film have embossments and lines of weakness and embossments must partially overlap so that the article can be removed by breaking the cover film.
  • the object of the present invention is to propose a packaging which does not have the disadvantages mentioned, i.e. is sorted, and which allows easy removal of the contents by pushing the contents through the lid.
  • the lid is divided into lid segments, each lid segment covering a compartment, recess or cup, and each lid segment being sealed to the extent of the compartment on the bottom part, and each lid segment being a marking aid in the form of a severing or weakening in the region of the Sealed seam contains such that each lid segment is completely or partially peelable, peelable or removable according to the size of the compartment, recess or cup over the sealed seam by pushing through the contents and the bottom part in the form of cast or deepened plastic masses or of plastic-containing foils, laminates, composites or laminates and the lid consists of plastic-containing foils, laminates, composites or laminates and the two materials of the base part and lid essentially consist of the same types of plastic based on olefin, ester, polyamide or halogen containing plastics or mixtures thereof.
  • suitable forms of packaging according to the invention can generally be rectangular-shaped containers which have a plurality of, for example, angular, round or oval depressions, compartments or cups.
  • the base parts can be divided into compartments of any number and shape within their outer limits.
  • the subdivision within the container can be made by molded or inserted webs.
  • the webs can be produced, for example, by deep drawing, casting, injection molding or folding in one step in the production of the base part or by subsequent gluing into the base part.
  • the push-through pack on the base part expediently has more than two compartments, depressions or cups and the lid is divided into a corresponding number of lid segments.
  • the diameter or the maximum width and length of a blister pack is not critical per se and is normally 3 to 20 cm.
  • the height of such floor parts depends on practical requirements and can be, for example, 0.3 to 2 cm.
  • the external dimensions also suitably depend on the circumstances, such as norms and standard sizes.
  • the base parts are cast or recessed plastic masses or consist of plastic-containing foils, laminates, composites or laminates.
  • the lid materials consist of plastic-containing foils, laminates, composites or laminates. Such materials, accordingly the plastic masses, films, laminates, composites and laminates mentioned are known per se and the plastics used for their production are olefin-based, ester-based, polyamide-based or halogen-containing plastics or suitable mixtures from that.
  • polyolefin-based thermoplastics are polyolefins, such as polyethylene, such as high density polyethylene (HDPE, density greater than 0.944 g / cm 3 ), medium density polyethylene (MDPE, density 0.926-0.940 g / cm 3 ), linear polyethylene of medium density (LMDPE, density 0.926-0.940 g / cm 3 ), low density polyethylene LDPE, density 0.910-0.925 g / cm 3 ) and linear low density polyethylene (LLDPE, density 0.916-0.925 g / cm 3 ), polypropylene, poly-1 -butene, poly-3-methylbutene, poly-4-methylpentene and copolymers or coextrudates thereof and ionomer resins, such as for example of polyethylene with vinyl acetate, acrylic acid, methacrylic acid, acrylic esters, tetrafluoroethylene or polypropylene, as well as statistical copolymers, block copolymers or olef
  • Ester-based thermoplastics are, for example, polyalkylene terephthalates or polyalkylene isophthalates with alkylene groups or radicals with 2 to 10 carbon atoms or alkylene groups with 2 to 10 C atoms which are interrupted by at least one -O-, e.g. Polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate (polytetramethylene terephthalate), polydecamethylene terephthalate, poly-1,4-cyclohexyldimethylol terephthalate or polyethylene-2,6-naphthalene dicarboxylate or polyalkylene terephthalate and polyalkylene isophthalate, e.g. 1 to 10 mol%, mixed polymers and terpolymers, as well as block polymers and grafted modifications of the above-mentioned substances.
  • Polyethylene terephthalate polypropylene terephthalate
  • thermoplastics based on esters are expediently polyalkylene terephthalates with alkylene groups or radicals having 2 to 10 carbon atoms and polylaylene terephthalates, with alkylene groups or radicals having 2 to 10 Carbon atoms which are interrupted by one or two -O-.
  • thermoplastics based on esters are polyalkylene terephthalates with alkylene groups or radicals having 2 to 4 carbon atoms, and very particularly preferred are polyethylene terephthalates.
  • the amide-based thermoplastics include, for example, polyamide 6, a homopolymer of ⁇ -caprolactam (polycaprolactan); Polyamide 11, a polycondensate of 11-aminoundecanoic acid (poly-11-aminoundecanamide); Polyamide 12, a homopolymer and ⁇ -laurolactam (polylaurin lactam); Polyamide 6,6, a homopolycondensate of hexamethylene diamine and adipic acid (polyhexamethylene adipamide); Polyamide 6.10, a homopolycondensate of hexamethylene diamine and sebacic acid (polyhexamethylene sebacamide); Polyamide 6, 12 a homopolycondensate of hexamethylene diamine and dodecanedioic acid (polyhexamethylene dodecanamide) or polyamide 6-3-T, a homopolycondensate of trimethylhexamethylene diamine and terephthalic acid
  • halogen-containing plastics includes, for example, the polymers of vinyl chloride and vinyl plastics containing vinyl chloride units in their structure, for example copolymers of vinyl chloride with vinyl esters of alphalic acids, in particular vinyl acetate; Copolymers of vinyl chloride with esters of acrylic and methacrylic acid and with acrylonitrile; Copolymers of vinyl chloride with diene compounds and unsaturated dicarboxylic acids or their anhydrides, such as copolymers of vinyl chloride with diethyl maleate, diethyl fumarate or maleic anhydride; post-chlorinated polymers and copolymers of vinyl chloride; Copolymers of vinyl chloride and vinylidene chloride with unsaturated aldehydes, ketones and others such as acrolein, crotonaldehyde, vinyl methyl ketone, vinyl methyl ether, vinyl isobuyl ether, etc .; Polymers of vinylidene chloride and
  • the base parts can be produced from these plastics by, for example, casting or injection molding.
  • a barrier layer against gases and vapors can also be provided.
  • Suitable are e.g. ceramic barrier layers as well as plastic barrier layers.
  • barrier layers such as ceramic layers
  • Barrier layers such as ceramic layers, contain, for example, oxides from the series of silicon oxides, aluminum oxides, iron oxides, nickel oxides, chromium oxides or lead oxides or mixtures thereof, and also nitrides or oxynitrides of the metals and semimetals mentioned.
  • the silicon oxides or aluminum oxides are expedient as ceramic layers.
  • the silicon oxides can have the formula SiO x , where x preferably represents a number from 1 to 2, particularly preferably from 1.1 to 1.9 and in particular from 1.2 to 1.7.
  • the aluminum oxides can have the formula Al y 0 2 , where y / z is, for example, a number from 0.2 to 1.5 and preferably from 0.65 to 0.85.
  • the ceramic layer is applied, for example, by a vacuum thin-film technique, expediently on the basis of electron beam evaporation or resistance heating or inductive heating from crucibles, for example on a plastic layer. Electron beam evaporation is preferred.
  • the described methods can be carried out reactively and / or with ion support.
  • the ceramic layer can have a thickness of, for example, 5 to 500 nm (nanometers), preferably 10 to 200 nm and preferably 40 to 150 nm.
  • the ceramic layer is due to its thin layer and the resulting low material content, as well as the physiologically harmless behavior of e.g. Silicon oxides or aluminum oxides, not disturbing in a recycled material and does not influence the purity and reprocessing.
  • Plastic barrier layers can, for example, consist of or contain polymers that are particularly gas and water vapor tight. Behave particularly favorably e.g. Polyvinylidene chlorides, polyolefins, ethylene vinyl alcohol (EVOH), polyvinyl chlorides, acrylonitrile copolymers or biaxially stretched polyethylene terephthalate.
  • Polyvinylidene chlorides polyolefins
  • EVOH ethylene vinyl alcohol
  • acrylonitrile copolymers or biaxially stretched polyethylene terephthalate.
  • the thickness of an individual plastic film or of the individual plastic films in film composites or laminates can be, for example, 8 to 2000 ⁇ m, advantageously 8 to 500 ⁇ m, preferably 10 to 250 ⁇ m and in particular 12 to 25 ⁇ m.
  • Foil composites or laminates can have the layer structures known per se, such as e.g. containing at least two plastic layers, or containing at least one cellulose-containing layer and at least one plastic layer.
  • All materials can be used crystal clear, cloudy, colored through or covered in color. This makes it possible, e.g. to design opaque or opaque packaging.
  • At least one outside, at least one printed, counterprinted or colored layer of a material, such as e.g. a plastic film may be provided.
  • sealing layers can be applied, for example, as sealing lacquers or sealing foils.
  • the sealing layers are known per se and can, for example, contain or consist of LLDPE, LDPE, MDPE, HDPE, polypropylene and polyethyleneterephthalate and can be in film or lacquer form and can have a thickness in the range from 1 to 100 ⁇ m, for example.
  • heat sealing lacquers known per se can also be used.
  • the various layers and in particular the plastic films or layers with one another, ceramic layers on plastic films or layers with one another and with one another, can be processed with laminating adhesives and / or adhesion promoters and, if appropriate, pre-lacquer with one another to form the laminates or composites.
  • Suitable adhesion promoters are, for example, vinyl chloride copolymers, vinyl chloride-vinyl acetate copolymers, polymerizable polyesters, vinylpyridine polymers, vinylpyridine polymers in combination with epoxy resins, butadiene-acrylonitrile-methacrylic acid copolymers, phenolic resins, rubber derivatives, acrylic resins, acrylic resins with phenol or epoxy resins or organosilicon compounds, such as organosilanes.
  • organosilanes examples include alkyltrialkoxysilanes with an amino functional group, alkyltrialkoxysilanes with an ester functional group, alkyltrialkoxysilanes with an aliphatic functional group, alkyltrialkoxysilanes with a glycidoxy functional group, alkyltrialkoxysilanes with a methacryloxy functional group, and mixtures thereof.
  • organosilanes examples include ⁇ -aminopropylenetriethoxysilane and N- ⁇ - (aminoethyl- ⁇ -aminopropyltrimethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltrimthoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, and ⁇ -methacryloxiloxane trimethane compounds known in the art.
  • EAA ethylene acrylic acid
  • modified polyolefins are preferred.
  • modified polyolefins are acid-modified polyolefins and accordingly plastics, formed by graft modification of a polyolefin with ethylenically unsaturated carboxylic acids or their anhydrides.
  • the base polymers of the polyolefins include, for example, low-density polyethylene, medium-density polyethylene, high-density polyethylene, linear low-density polyethylene, homopolypropylene, ethylene-propylene copolymers, polybutene-1, polypentene-1, butene-1-propylene, copolymers and butene-1 -Propylene-ethylene terpolymers are called. Homopolypropylene and ethylene-propylene copolymers are preferred.
  • Examples of the ethylenically unsaturated carboxylic acids or their anhydrides are acrylic acid, methacrylic acid, maleic acid, fumaric acid, crotonic acid, itaconic acid, citraconic acid, 5-norbornene-2,3-dicarboxylic acid, maleic anhydride, citraconic anhydride, 5-norbornene-2,3-dicarboxylic acid anhydride Tetrahydrophthalic anhydride. Maleic anhydride is preferred.
  • the preferred modified polypropylene is an adduct of maleic anhydride and an ethylene-propylene copolymer. Dispersions of modified polyolefins are very particularly preferred. An example of a modified polypropylene dispersion is Morprime (trademark of Morton Chemical Division of Norton Norwich Products, Inc.).
  • adhesion promoters are adhesives such as nitrile rubber-phenolic resins, epoxides, acrylonitrile-butadiene rubber, urethane-modified acrylics, polyester-co-polyamides, hot melt polyester, cross-linked hot-melt polyester polyisocyanates polyisobutylenmod e, styrene-butadiene rubbers, urethanes, ethylene-acrylic acid copolymers and ethylene vinyl acetate -Mixed polymers.
  • adhesives such as nitrile rubber-phenolic resins, epoxides, acrylonitrile-butadiene rubber, urethane-modified acrylics, polyester-co-polyamides, hot melt polyester, cross-linked hot-melt polyester polyisocyanates polyisobutylenmod e, styrene-butadiene rubbers, urethanes, ethylene-acrylic acid copolymers and ethylene vinyl acetate
  • the laminating adhesives can be solvent-based or solvent-free and also contain water.
  • examples are solvent-based or aqueous acrylate adhesives or solvent-free polyurethane adhesives.
  • Laminating adhesives based on polyurethane are preferred.
  • the composites and laminates can be made in a manner known per se, e.g. by coating, coextrusion coating, lamination, counter lamination or hot calendering.
  • the present packaging also contains a lid.
  • the lid can be produced from the lid materials mentioned in accordance with the desired strength, deformability and processability.
  • the base parts and lid of the push-through pack according to the invention are made of the same types of plastic.
  • Bottom part and lid are made in particular from the same plastics or plastic mixtures, the materials of the bottom part and lid also being able to be different, as long as the materials consist of the same types of plastics.
  • the base part can be in the form of a cast molding and the cover can be in the form of a film or laminate, or the base part and cover can be produced from the same or differently constructed films and / or laminates.
  • the plastics used for the base part and lid of a push-through pack according to the invention each have only one common - or essentially common - molecular framework. This also includes mixtures of plastics that have two or more molecular frameworks. Also included are plastics containing, for example, auxiliaries such as plasticizers, fillers, stabilizers and the like. The decisive factor is that the respective plastic or the plastic mixture is found in the base part and lid of a packaging, in particular in a type-specific and recyclable manner.
  • a rigid or semi-rigid base part and a lid in a slightly bendable, i.e. for example, as a film or made of film tape to use.
  • the cover can have a sealing layer on the surface of the cover material that lies to the inside of the container. If necessary, the cover material can also have a sealing layer on the outside.
  • the sealing layer on the inside of the cover can extend over its entire surface or can be present or applied only partially, in the area of the sealing to be carried out. Accordingly, it is possible that only the bottom part, in particular on the side facing the lid or the lid, in particular on the side facing the bottom part, or both bottom part and lid each have a sealing layer, such as a sealing film and / or a sealing wax.
  • the lid can be made of different materials in different thicknesses.
  • lids Rigid or soft, deformable and, in particular, windable materials are available.
  • Such lids can e.g. contain or consist of all the thermoplastics or plastics mentioned and in particular consist of or contain olefin-based thermoplastics, as described above. Analogously, these lids can contain the barrier and sealing layers described above.
  • Lid materials are particularly suitable for machine processing Films, film composites and laminates or laminates. To ensure that these materials remain windable, such films, film composites and laminates are generally 8 to 1000 ⁇ m thick.
  • films for example containing or consisting of high-density polyethylene, medium-density polyethylene, polypropylene, or polyethylene terephthalate, for example in a thickness in the range from 8 to 150 ⁇ m, advantageously from 10 to 100 ⁇ m and preferably from 70 to 80 ⁇ m, if appropriate also coated at least on one side with a sealing wax.
  • lid materials can be film composites, constructed - as seen from the inside of the container outwards - from a sealing layer or a sealing wax, as mentioned above, and from a film, for example from a polyethylene terephthalate film, a polyamide film, a polypropylene film or a polyethylene film, optionally oriented , which is coated on at least one side with a ceramic coating, preferably an SiO x layer, as described above, and optionally further plastic layers or plastic laminates, in particular the same plastics as the film.
  • the outermost layer can in turn be a sealable layer or a colored, printed or counterprinted layer.
  • the cover material can be, for example, a cover tape made of an outer layer of polyethylene terephthalate in a thickness of 12 to 30 ⁇ m, a barrier layer of SiO x , where x represents a value of 1.2 to 1.7, and an inner peeling layer (peel layer) made of polypropylene be formed from 20 to 50 microns.
  • Another exemplary cover tape contains, as an outer layer, a polypropylene film with a thickness of 50 to 100 ⁇ m, optionally a barrier layer, preferably made of SiO x , where x represents a value from 1.2 to 1.7, and inside a polypropylene peeling layer (peel layer ) a thickness of 20 to 50 microns.
  • Lid materials made of a polypropylene film or a polyethylene terephthalate film with a thickness of 70 to 80 ⁇ m, optionally containing a ceramic barrier layer, are particularly preferred.
  • preferred parts of the base are those which: have the following structure from the outside inwards: a polypropylene layer, optionally a ceramic barrier layer or a plastic barrier layer, for example made of ethyl vinyl alcohol and a polypropylene sealing layer, the thickness of the composite being able to vary between 200 and 400 ⁇ m.
  • the ceramic barrier layer in this composite can be a layer of SiO x on the plastic layer made of polypropylene, where x represents a value from 1.2 to 1.7.
  • Bottom parts made of polypropylene or a polyethylene terephthalate film composite with a thickness of 280 to 320 ⁇ m are particularly preferred, optionally containing a ceramic barrier layer.
  • Rondelles which correspond to the base part to be closed can be produced from the cover materials by punching or cutting, optionally stacked and brought continuously or individually onto the base part and sealed cold or hot, welded or glued on.
  • the lid material can also be processed to form continuous material, sheets or coils, the lid material being sealed or welded or glued to the bottom part continuously or step-wise and essentially cut out according to the edge contours of the respective bottom part in order to close the bottom parts.
  • the lid can be attached to the respective base parts by various methods, for example by sealing, such as heat or cold sealing, welding or gluing.
  • the base parts and cover can also be connected to one another by cold sealing, for example based on contact adhesive.
  • the usual materials can be used as contact adhesive. A thermal load on the packaging and in particular sensitive goods, such as medication, is prevented or avoided. bypassed.
  • lids can be divided into the segments in various ways.
  • a lid can be sealed onto the bottom part, the sealing seam being sealed on the bottom part, forming the extent of each compartment, according to the extent of each compartment, and the extent of the individual lid segments after at least partially, weakening or severing in the form of a tear or dividing line of the lid material is carried out.
  • a lid can be sealed on the bottom part, the sealing seam being sealed on the bottom part to form lid segments, the extent of each compartment, and between the individual lid segments forming in the lid material, at least partially according to the circumference of each compartment , weakenings or cuts already exist in the form of tear lines or dividing lines.
  • the covers can be provided with weaknesses or separations in the form of tear lines or separating lines by mechanical, physical or chemical processes before they are sealed onto the respective base part.
  • the tear or dividing lines in the lid should expediently correspond to the separating webs provided in the base part in the center and possibly following the edge flange.
  • the weakenings in the cover material can be achieved by partial or complete weakening along the intended tear or separation line or partial or complete separation through the thickness of a film. In a film composite or laminate, individual or all layers can be weakened and / or separated. If separations or weakenings are made to the lid material before sealing, it can be helpful to provide a support or adhesive device on the lid material to maintain the shape.
  • This device can e.g. a film, a film composite or a dimensionally stable substrate.
  • the lid material can also first be sealed out of the surface onto the bottom part along the edge flanges and webs and after the sealing, for example in the middle of the webs and optionally along the web, by means of mechanical, physical or chemical methods Edge flange of the respective bottom part weakening or separations in the form of tear or dividing lines are attached.
  • the sealing seams can be, for example, 1 to 6 mm, expediently 1.5 to 5 mm and preferably 1.5 to 3.5 mm wide around the edges of each cover segment.
  • the sealing seams on the webs are preferably so wide that if the lid material is separated or weakened after sealing, the tool tolerances of the separating device are taken into account and each side of a two-part sealing seam has the widths specified above. Double seal seams can also be provided on the webs in particular.
  • the weakenings or separations can be done mechanically, e.g. Cutting, punching or scoring with knives, physically by e.g. Heat treatment, laser beams, electron beams, spark erosion, dissolution or swelling by means of solvents or by chemical reaction, e.g. by etching.
  • the dividing or weakening lines must preferably be at least as deep and wide, respectively. Tear-resistant should be chosen so that at the latest when the respective cover segment is removed from the base part, only the cover segment in question is pulled off at least a part of its circumference.
  • a dividing or weakening line is preferred which extends only around a part, such as 1/2 to 9/10, preferably 1/3 to 7/8, of the circumference of the cover segment.
  • a complete separation of the cover material through its entire thickness is particularly preferred to form cover segments in order to tear or tear off the adjacent cover segment or. Avoid the lid area and to release the contents.
  • Blister packs are particularly preferred the severing or weakening extends only over part of the scope of each subject.
  • Push-through packs whose lids are divided into the individual lid segments by severing the lid material are very particularly preferred.
  • Press-through packs are also preferred, the sealed lid of which consists of a film or a laminate and the bottom part of which consists of a film or a laminate.
  • the sealing seams can be applied in a manner known per se.
  • the sealing can be done by heat, high-frequency radiation or ultrasound and by means of sealing tools. Typical sealing temperatures are from 100 to 300 ° C and expedient from 150 to 250 ° C.
  • the pressure of the sealing tools can be, for example, from 10 to 400 kg / cm 2 and expediently from 40 to 150 kg / cm 2 .
  • the sealing times can be from 0.2 to 3 seconds and expediently from 0.4 to 2 seconds.
  • the sealing seams applied under these conditions can easily be peeled off, peeled off or peeled, for example, with the formation of a cohesive or adhesive break.
  • cover segments cannot be completely peeled off or peeled off by applying the weakening lines or dividing lines and / or sealing seams of different strengths.
  • a corner of a push-through pack is indicated by way of example, which is to be sealed against the polypropylene base part with an opaque, heat-sealable polypropylene film as cover material with a thickness of approximately 70 to 80 ⁇ m.
  • the dashed line (A) is intended to mean an incision from the cover film side through the cover film to a minimal extent in the e.g. 300 ⁇ m thick bottom part film - see also (B) in Fig. 2.
  • the circular average of the lidding film e.g. with a Schober rotary punch for rotary machines or with a steel punch for punching machines runs around the bowl, from (a) to (b).
  • a partial bottom film (1) forms a depression (2) and a web area (3).
  • the bottom part film can e.g. a 300 ⁇ m thick PP film.
  • a cover material in the form of a cover film (4) is sealed to the web areas.
  • the cover film (4) can e.g. represent a 70 to 80 ⁇ m thick film made of polypropylene, which optionally carries a ceramic barrier layer against the inside and a heat seal lacquer (5) on the barrier layer.
  • a tablet (6) is in the recess (2). The arrow indicated indicates the direction of pressure when the tablet (6) is squeezed out.
  • the heat sealing lacquer at point (d) can begin to separate to split or peel inside.
  • the peeling effect runs up to the cut (B), then the membrane bursts and the tablet can be removed upwards.
  • the described design can be installed on any form, fill and seal machine of today's design.
  • the cut which represents the dividing line, can be made after sealing by means of a perforating station and can thus lie exactly around the bowl.
  • a web width (f) of, for example, 1.5 mm gives adequate adhesion.
  • the pack shown as an example cannot be peeled from the outside, since it is a smooth die cut and there are no options for gripping a peeling pocket.
  • Fig. 3 is a view of a section of an opened blister pack.
  • the depression (2) for receiving the tablet was pressed in from below, whereupon the cover film (4) flakes off along the sealing seam up to section B and the tablet (6) can be removed. Since the section B does not surround the entire circumference of the recess (2), the membrane (e) remains on the cover film (4) in the area between (a) and (b).
  • the present invention also relates to the use of packaging according to the invention for accommodating a plurality of units of tablet-like filling goods in separate compartments and for separately removing each unit of the tablet-like filling goods.
  • the packaging is suitable for holding fillings of all kinds, in tablet-like form and firm consistency, but especially for holding tablets, dragees, hard and soft gelatin capsules, sweets such as candies, chewing gum, chocolate etc., tablet-like products from the diagnostic area , Therapeutics and medical aids.
  • the tablets can in particular be luxury foods, cosmetic products or pharmaceutical preparations.
  • the packaging can be sterilized, pasteurized or treated aseptically, for example in the range of standard sterilization conditions at 121 ° C - 130 ° C, 2.2 bar - 3.5 bar and for 30 seconds to 30 minutes.
  • each lid segment can be used individually, e.g. according to the order of removal. Other uses are e.g. Packs for portion consumption or assortment packs.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Claims (8)

  1. Emballage en blister, qui comprend une partie de fond (1) comportant deux ou plusieurs compartiments, creux ou godets (2), et un couvercle (4) détachable agencé au bord des compartiments, creux ou godets (2), le couvercle (4) étant subdivisé en segments de couvercle, chaque segment de couvercle recouvrant un compartiment, creux ou godet (2), et chaque segment de couvercle étant scellé sur la partie de fond (1) le long de la périphérie du compartiment, creux ou godet (2), et chaque segment de couvercle comprenant une aide de déchirement sous forme d'une séparation (B) ou d'un affaiblissement dans la zone du cordon de scellement, de telle sorte que chaque segment de couvercle peut être pelé, enlevé ou détaché entièrement ou partiellement le long de la périphérie du compartiment, creux ou godet via le cordon de scellement par pressage du contenu (6), et la partie de fond (1) est constituée sous forme de masses coulées ou embouties en matière plastique ou est constituée par des films, stratifiés, composites ou matières en couches contenant de la matière plastique, et le couvercle (4) est constitué par des films, stratifiés, composites ou matières en couches contenant de la matière plastique, et les deux matériaux de la partie de fond et du couvercle sont constitués sensiblement par les mêmes matières plastiques à base d'oléfines, d'esters, de polyamide ou par des matières plastiques contenant des halogènes, ou des mélanges de celles-ci.
  2. Emballage en blister selon la revendication 1, caractérisé en ce que la partie de fond (1) présente plus de deux compartiments, creux ou godets (2), et en ce que le couvercle (4) est subdivisé en un nombre correspondant de segments de couvercle.
  3. Emballage en blister selon la revendication 1, caractérisé en ce que la séparation (B) ou affaiblissement s'étend seulement sur une partie de la périphérie de chaque compartiment.
  4. Emballage en blister selon la revendication 1, caractérisé en ce que le couvercle est subdivisé en segments de couvercle individuels au moyen de la séparation (B) du matériau de couvercle (4).
  5. Emballage en blister selon la revendication 1, caractérisé en ce que le couvercle scellé (4) est constitué par un film ou par un stratifié, et en ce que la partie de fond (1) est constituée par un film ou par un stratifié.
  6. Procédé pour réaliser un emballage en blister selon la revendication 1, dans lequel on applique le cordon de scellement, en formant des segments de couvercle, le long de la périphérie de chaque compartiment entre chaque segment de couvercle et la partie de fond, et dans lequel on effectue dans la région du cordon de scellement et le long de la périphérie de chaque segment de couvercle au moins partiellement un affaiblissement ou une séparation (B) sous forme d'une ligne de déchirure ou de séparation du matériau de couvercle, de telle sorte que chaque segment de couvercle peut entièrement ou partiellement être pelé, enlevé ou détaché le long de la périphérie du compartiment via le cordon de scellement par pressage du contenu hors de l'emballage.
  7. Procédé pour réaliser un emballage en blister selon la revendication 1, dans lequel on applique le cordon de scellement, en formant des segments de couvercle, le long de la périphérie de chaque compartiment entre chaque segment de couvercle et la partie de fond, et dans lequel existent déjà des affaiblissements ou des séparations (B) sous forme de lignes de déchirure ou de séparation entre les segments de couvercle individuels qui se forment dans le matériau de couvercle, au moins partiellement dans la région du cordon de scellement le long de la périphérie de chaque compartiment, de telle sorte que chaque segment de couvercle peut entièrement ou partiellement être pelé, enlevé ou détaché le long de la périphérie du compartiment via le cordon de scellement par pressage du contenu hors de l'emballage.
  8. Utilisation d'emballages en blister selon la revendication 1 pour le logement de plusieurs unités de matière de remplissage (6) en forme de comprimés dans des compartiments séparés et pour l'enlèvement individuel de chaque unité des matière de remplissage en forme de comprimés.
EP92810856A 1991-11-18 1992-11-05 Emballage en blister Expired - Lifetime EP0543775B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3362/91A CH684081A5 (de) 1991-11-18 1991-11-18 Durchdrückpackung.
CH3362/91 1991-11-18

Publications (2)

Publication Number Publication Date
EP0543775A1 EP0543775A1 (fr) 1993-05-26
EP0543775B1 true EP0543775B1 (fr) 1997-02-19

Family

ID=4254339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810856A Expired - Lifetime EP0543775B1 (fr) 1991-11-18 1992-11-05 Emballage en blister

Country Status (5)

Country Link
US (1) US5360116A (fr)
EP (1) EP0543775B1 (fr)
CA (1) CA2083094A1 (fr)
CH (1) CH684081A5 (fr)
DE (1) DE59208050D1 (fr)

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Also Published As

Publication number Publication date
US5360116A (en) 1994-11-01
CA2083094A1 (fr) 1993-05-19
EP0543775A1 (fr) 1993-05-26
CH684081A5 (de) 1994-07-15
DE59208050D1 (de) 1997-03-27

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